Optical: systems and elements inventions 10/06

20060238837 - Video hologram and device for reconstructing video holograms for large objects: A video holographic display device operates so that the size of a reconstructed three dimensional scene is a function of the size of the hologram-bearing medium; the reconstructed three dimensional scene can then be anywhere within a volume defined by the hologram-bearing medium and a virtual observer window through which...

20060238838 - Video hologram and device for reconstructing video holograms using geometrical calculation: A geometrical method for working out how to encode a hologram onto a hologram bearing medium is disclosed. The method involves (a) selecting a point on the three dimensional scene to be reconstructed; then (b) defining a virtual observer window through which the reconstructed three dimensional scene will be seen;...

20060238839 - Video hologram and device for reconstructing video holograms with small region encoding: In a video hologram that enables a three dimensional scene to be reconstructed, a specific region in the hologram encodes information for a particular, single point in the reconstructed scene. This region is the only region in the hologram encoded with information for that point, and is restricted in size...

20060238840 - Video hologram and device for reconstructing video holograms with time sequential encoding: A display device for computer generated holography can time sequentially re-encode a hologram on the hologram-bearing medium for the left and then the right eye of an observer. Conventional holograms do not have to time multiplex for the left and then the right eye because, at any one time, the...

20060238836 - Video hologram and device for reconstructing video holograms with window at image plane: A video holographic display device includes a light source used to illuminate a hologram-bearing medium encoded with a hologram. The device operates so that only when an observer's eyes are positioned approximately at the image plane of the light source can the holographic reconstruction be seen properly. This contrasts with...

20060238841 - Polytopic multiplex holography: Disclosed is a multiplexing method and apparatus that allows holograms to be spatially multiplexed with partial spatial overlap between neighboring stacks of holograms. Each individual stack can additionally take full advantage of an alternate multiplexing scheme such as angle, wavelength, phase code, peristrophic, or fractal multiplexing, for example. An amount...

20060238842 - System and method for volume holographic imaging using spectral illumination: A holographic imaging system is disclosed that includes a spectral electromagnetic field unit for providing a plurality of focal areas of a plurality of wavelengths of electromagnetic fields along a first direction, a lens system for directing the electromagnetic fields having the plurality of wavelengths from an object that may...

20060238843 - Video hologram and device for reconstructing video holograms using a fresnel transform: A display device generates a holographic reconstruction of a three dimensional scene from a hologram; the device is operable such that the holographic reconstruction is the Fresnel transform of the hologram and not the Fourier transform of the hologram. With a conventional holographic display, at least some of the holographic...

20060238844 - Video hologram and device for reconstructing video holograms using wavefront at eyes: A method of computing a hologram by determining the wavefronts at the approximate observer eye position that would be generated by a real version of an object to be reconstructed. In normal computer generated holograms, one determines the wavefronts needed to reconstruct an object; this is not done directly in...

20060238845 - Scanning optical system, optical scanning device, and image forming apparatus: A scanning optical system deflects a light flux emitted by a light source by an optical deflector, and focuses the light flux on a surface to be scanned through a scanning lens. The scanning optical system includes a kink producing unit that produces a kink in the scanning lens....

20060238846 - Imaging device: An imaging device (46) comprises a carrier stage (12a) for carrying a sample slide (14a) including a micro-array of cellular binding event samples, a linear light source (37a) for illuminating the sample slide (14a), and a motor drive (16a) for moving the carrier stage (12a) relative to the sample slide...

20060238847 - Method and apparatus for estimating an in-focus position: A method is provided of estimating an in-focus position of a target in an image scanning apparatus. A first part of the target is scanned at a nominal focus level so as to obtain corresponding image information. One or more further parts of the target are scanned at one or...

20060238848 - Laser optical unit, laser optical apparatus, and image formation apparatus: A laser optical unit in a laser optical apparatus having a scanner for scanning a beam in a main scanning direction, includes: a laser light source including two light-emitting elements, time for which one light-emitting element lights overlapping with time for which the other light-emitting element lights; a collimating lens...

20060238849 - Optical scanning system and image forming apparatus using the same: Disclosed is an optical scanning system and an image forming apparatus using the same, which is designed to reduce the overall size of the system and to make uniform the light spot diameter in a sub-scan direction, inside an effective scan region, as well as to ensure high-speed production of...

20060238850 - Image forming apparatus and image forming method: An image forming apparatus which includes image forming units of a plurality of colors, each having an image carrier and a light beam scanning portion for polarizing irradiated laser beam by a polygon mirror and forming an electrostatic latent image on the image carrier, and forms a color image by...

20060238851 - Micro-electromechanical light modulator with anamorphic optics: Micro-electromechanical light modulators are combined with anamorphic and contrast enhancing optical elements to form optical display engines. Linear MEMS arrays are suitable for the étendue of low divergence light sources while handling high optical power for brightness. The output of an optical engine is a line image which may be...

20060238852 - A non-contacting electrostatically-driven mems device: An improved microelectromechanical systems (MEMS) device, which eliminates, or at least reduces, “stiction” is described. The MEMS device includes a central electrode and a pair of outer electrodes formed on a substrate. The central electrode includes a plurality of extensions defining a plurality of grooves interspersed with the extensions. The...

20060238853 - Method of producing light control film: A method of producing a light control film, wherein the method comprises the steps of; irradiating a composition in the form of sheet containing at least two compounds each having a polymerizable carbon-carbon bond in the molecule and having mutually different refractive indices with ultraviolet ray via an interference filter...

20060238854 - Wave generation by wave propagation phase-shift compensation in an non-linear optical medium: In a nonlinear optical medium such as the gallium arsenide, two collinear incident monochromatic waves are injected to generate a monochromatic wave. The medium induces between the three waves a propagation phase-shift that has a value π if the three waves travel a coherence length in the medium and that...

20060238855 - Imaging device for optically extracting features of an object: The present invention provides a method and device for optically extracting discrete features of an object. With this method and device, small regions of interest or features within a relatively large object are optically extracted and collated into a single, condensed image. The condensed image contains all of the features...

20060238856 - Small ultra-high na catadioptric objective using aspheric surfaces: A relatively high NA objective employed for use in imaging a specimen and method for imaging a specimen is provided. The objective comprises a lens group having at least one focusing lens configured to receive light energy and form an intermediate image, at least one field lens oriented to receive...

20060238858 - Observation or measurement means and observation or measurement system provided with the same, feeble light image pickup optical system and microscope apparatus provided with the same, microscope system provided with the microscope apparatus, and observat: An observation or measurement device has, at least, an infinity-corrected objective lens and an imaging lens, and satisfies a condition, 4.56≦D·NA′≦30, where D is the parfocal distance of the objective lens and NA′ is the numerical aperture of the imaging lens. It is desirable to make a distance from the...

20060238857 - Surgical microscope: A surgical microscope system comprises a stand (1) with a carrier arm (3, 4), an optical unit having a microscope body (2), an objective (13), and at least one eyepiece tube (10), and at least one input unit (5) having a display and a touch-based operating panel, the touch-based operating...

20060238859 - In-ground telescope with a stationary primary objective mirror having movable collectors: The present invention relates to a novel land based reflecting telescope having a stationary, equatorially mounted, segmented mirror comprised of a plurality of movable mirrored collectors. These movable collectors are arranged in hexagonal groups to form a multiple mirrored reflector, which comprises the stationary compound telescope. A secondary mirror mounted...

20060238860 - Self-aligning telescope: Embodiments of the present disclosure include self-aligning telescope control systems and self-alignment methods. In an embodiment, a telescope control system orients a telescope with respect to the celestial sphere by pointing the telescope in the direction of an alignment star or alignment area of the sky. The telescope control system...

20060238861 - High definition telescope: Embodiments of the present disclosure include presenting data related to image information captured by a telescope on an electronic display, such as, for example, a high definition display. For example, a telescope control system may advantageously output video or other signals to one or more displays in a multi-media or...

20060238862 - Liquid crystal screen: A liquid crystal screen, which can be easily manufactured so that an increase in cost can be prevented, and enables incidence angle dependence of image quality to be eliminated. The liquid crystal screen 10 is comprised of a liquid crystal layer 14 that is comprised of a transparent polymer film...

20060238863 - Apparatus displaying three-dimensional image: In a three-dimensional image display apparatus in which a lenticular plate and shutter device are arranged in front of a display module, one frame image is displayed using n field images. To display each field image, a shutter device is driven to substantially simultaneously open a group of shutter elements...

20060238864 - Faraday rotator for high output lasers: A Faraday rotator is disclosed, in which the isolation function based on a temperature rise is not deteriorated even when the Faraday rotator is used for a high output laser of not smaller than 1W output at a wavelength of not larger than 1.1 μm. Sapphire crystals or rutile crystals...

20060238866 - All-optical signal processing method and device: A method and an optical device in all-optical signal processing. It provides a novel way of taking into use the potential bandpass filtering capabilities of an optical complex one-pole resonator by, 1) excitating with at least part of the input signal an optical resonator arrangement that comprises two substantially parallel,...

20060238865 - Apparatus for production of an inhomogeneously polarized optical beam for use in illumination and a method thereof: An apparatus for producing an inhomogeneously polarized optical beam from a homogeneously polarized input optical beam includes a first phase shifter, a second phase shifter, and one or more polarization beam splitters. The first phase shifter shifts at least one portion of a first part of the input optical beam...

20060238867 - Optical device, light-condensing backlight system, and liquid crystal display: An optical element of the invention comprises at least three laminated circular-polarization-type-reflection polarizers (a) whose wavelength bands for selective reflection of polarized light overlap one another; a layer (b1) which is placed between at least a pair of the circular-polarization-type-reflection polarizers (a) and has a front retardation of substantially zero...

20060238868 - Athermal abirefringent optical components: An optical device to reduce the thermally induced distortion and thermally induced depolarization of light transmitted through all or part of the device. The device includes a nominally transparent element having a negative dn/dT and a nominally transparent element having a zero or negative stress optic coefficient....

20060238869 - Method and system for flexible and cost effective dynamic tilt gain equalizer: Method and system for flattening tilt gain with a digital title gain equalizer (“DTGE”) constructed with a linear tilt optical filter (“LTOF”). In a first embodiment, a DTGE flattens tilt gain with a combination of LTOF and a rotative half-wave plate. In a second embodiment, a DTGE flattens tilt gain...

20060238870 - Gauge lens with embedded anti-fog film and method of making the same: The gauge lens with anti-fog film includes a substantially planar transparent lens substrate having an outer surface and an inner surface and a thin film possessing anti-fog properties adjacent and substantially covering the inner surface of the lens substrate to provide a low angle of contact for water and moisture....

20060238871 - Method of producing a retro-reflective heat transfer film with a transparent protective sheet for whole surface: A method of producing a retro-reflective heat transfer film includes heat-joining a PET release film and a transparent TPU sheet; forming a sticky-adhesive layer or a hot melt adhesive layer on the surface of the transparent TPU sheet; fixing glass beads made of beads with a refractive index of 2.2...

20060238872 - Optical medium and use thereof: An optical media is constructed by superimposing a Fourier transform lens film 3 including a Fourier transform lens 2 on which optical image 10 is formed, and a light permeating sheet 5 provided with a plurality of light permeating portions 4 through which light can pass in a point-like manner....

20060238873 - Optical package, optical lens and backlight assembly having the same: In an optical package capable of guiding light, and an optical lens and a backlight assembly having the optical package, the optical package includes a plurality of light emitting parts and a lens plate. The lens plate defines a plurality of lens parts corresponding to the light emitting parts, respectively....

20060238874 - Light modulation element: The present invention discloses a light modulation element, having a first optical surface and a second optical surface receiving an incident light, the light modulation element comprising: at least a transparent diffusion unit, for scattering the incident light, each being placed on the first optical surface; and at least a...

20060238875 - Optical unit, backlight assembly having the same and display device having the same: An optical unit includes a base, a light-condensing member disposed on the base to condense a first portion of light that is incident onto the base and protrusion members disposed on a surface of the light-condensing member to scatter a second portion of the light that is incident onto the...

20060238876 - Optical component for beam shaping:

20060238877 - Method and system for improving audiovisual communication: System for improving audiovisual communication, the system including a line of sight determining system for determining a user line of sight of the eyes of a user, and an image display system coupled with the line of sight determining system, the image display system displaying a supplementary image for the...

20060238878 - Wearable display unit, headphones and system provided with these: Inclination of an image display unit is prevented at the time of using a wearable display unit in which the image display unit can move between a projection position where the image display unit comes in front of a user's eye and a retracted position where the image display unit...

20060238879 - Rotationally asymmetric optical system: The invention relates to a rotationally asymmetric optical system for taking an image having a full 360°-direction angle of view or projecting an image onto a full 360°-direction angle of view. With the rotationally asymmetric optical system, an image in a specific direction can be more enlarged or more reduced...

20060238880 - Ceramic hybrid lens and method for manufacturing the same: A hybrid lens 10 is provided in which a plastic lens 15 made from an ultraviolet curing resin is affixed to a ceramic lens 11 which uses as a glass material a light transmitting ceramic having a permeability of 70% or larger in a visible radiation range and a particle...

20060238881 - Optical lens, optical package having the same, backlight assembly having the same and display device having the same: An optical lens refracts and reflects a light to increase a luminance in a top direction of the optical lens and to decrease a luminance in a horizontal direction of the optical lens. The optical lens includes a central portion and a peripheral portion. The central portion has a convex...

20060238882 - Imaging apparatus and driving method of its imaging optical system: An imaging optical system is configured with a first lens group disposed on a first optical axis and capturing a luminous flux from a subject along the first optical axis, a prism that folds the luminous flux passed through the first lens group toward a direction along a second optical...

20060238883 - Projection optical system and projection exposure apparatus: Disclosed is a projection optical system for projecting an image of an object onto an image plane, which includes a first imaging optical system for forming an image of the object, a second imaging optical system for re-imaging the image upon the image plane, wherein the first and second imaging...

20060238884 - Optical lens, light emitting device package using the optical lens, and backlight unit: An optical lens, a light emitting device package using the optical lens and a backlight unit are disclosed, whereby light irradiated upward of a light emitting device is refracted from a bottom refraction surface to allow reaching a reflection surface, and an optical lens is mounted for reflecting the light...

20060238885 - Microscope apparatus: Provided is a microscope having an immersion objective lens, a nozzle, and a liquid supplying mechanism. The immersion objective lens condenses light from a sample through liquid. The nozzle supplies the liquid to an upper surface of the immersion objective lens. The liquid supplying mechanism cooperates with one of a...

20060238886 - Zoom lens and image pickup apparatus: A zoom lens has first to fifth lens groups G1 to G5 having positive, negative, positive, positive, and negative refractive power, in order from an object side. The first lens groups G1 includes a prism L2 for bending a light path. Zooming is performed by adjusting a focal length by...

20060238887 - Compact high performance zoom lens system: A compact high performance objective zoom lens system is disclosed that provides optimum optical performance over the entire zoom focal length range at focus distances from close to infinity. The system comprises, from object space to image space, one focusing objective lens group (comprising a focus lens group and a...

20060238888 - Image taking apparatus equipped with a zoom lens system: An image taking apparatus is equipped with a zoom lens system which comprises: a first lens unit having a positive refractive power; a second lens unit having a negative refractive power; a third lens unit having a positive refractive power; and a fourth lens unit having a positive refractive power,...

20060238889 - Zoom lens and optical apparatus having the same: A zoom lens, comprising, in order from an object side to an image side: (a) a first lens unit of negative optical power; (b) a second lens unit of positive optical power; and (c) a third lens unit of positive optical power, wherein a separation between the first lens unit...

20060238890 - Zoom lens and optical apparatus having the same: A zoom lens, including, in order from an object side to an image side (a) a first lens unit of negative optical power, (b) a second lens unit of positive optical power, and (c) a third lens unit of positive optical power, wherein a separation between the first lens unit...

20060238891 - Zoom lens and imager using the same: The invention is concerned with a zoom lens that is well fit for a digital type single-lens reflex camera, has improved optical performance, and is bright all over the zooming zone. The zoom lens comprises a first group G1 of positive power, a second group G2 of negative power and...

20060238892 - Optical element unit: An optical element unit is provided comprising an optical element group for projecting light along an optical axis of the optical element group and a housing having an inner housing part partly defining a first space and a light passageway between the inner housing part and a second space. The...

20060238893 - Optical apparatus: An optical apparatus is disclosed which can suppress an increase in size thereof even if its lens is driven in a large movable range. The apparatus comprises a first linear actuator which includes a first member to which an electrical signal is input and a second member whose length in...

20060238894 - Image pickup lens, image pickup apparatus and mobile terminal: An image pickup lens for forming image of a subject on a solid-state image pickup element includes: a first lens having a positive refractive power in a meniscus shape whose convex surface faces to an object side of the image pickup lens; an aperture stop; a second lens having a...

20060238895 - Projection objective of a microlithographic projection exposure apparatus and method for its production: A projection objective of a microlithographic projection exposure apparatus has a first lens, which is the penultimate curved optical element on the image side. The first lens has a concave surface on the image side and contains a first intrinsically birefringent crystal, which has a first orientation of the crystal...

20060238896 - Optical communication module and optical element for optical communication module: An optical communication module includes a first light-receiving element with a receiving surface in which a light flux with a wavelength λ1 emitted from an end surface of an optical fiber enters; a light-emitting element for emitting a light flux with a wavelength λ2; and a first optical element arranged...

20060238897 - Lens and optical system: A lens has a convex or concave shaped smooth non-spherical surface or non-circular curve which is formed of a medium indicating negative refraction....

20060238898 - Imaging lens: An imaging lens is provided and includes, in order from an object side of the imaging lens: a first lens of a positive lens; a second lens of a negative lens; a third lens of a bi-aspheric lens that has an image-side surface having an extreme point at a position...

20060238899 - Integral screen magnifier: An integral screen magnifier for the display of a portable electronic device. The magnifier either is the display of a faceplate of the device or is integrally connected to the faceplate. The screen magnifier is arranged to provide effective magnification of text and graphics visible on the device without detractions...

20060238900 - Closing disk for immersion head: A closing disk for an immersion head of an immersion lithography system is disclosed. The closing disk makes contact with the immersion head at the edges of the closing disk, but not the center, preventing damage to the bottom surface of the immersion head and also to the closing disk....

20060238901 - Plastic lens and method and apparatus for manufacturing same: A plastic lens, which does not require a modification to an inner diameter of a mirror frame but is uniform in outer diameter, is provided and include: protrusions on the circumference in at least three points divided thereof into three equal parts except for an injection gate point, in positions...

20060238902 - Optical apparatus: An optical apparatus is disclosed in which a press contact force for bringing a vibrator and a contact member into press contact with each other is generated between them, and thereby the reaction force of the press contact force is difficult to transmit outward. The optical apparatus comprises a lens...

20060238903 - Optical apparatus: An optical apparatus is disclosed which has a light amount adjusting unit, a lens to be driven by a linear actuator, and a detector for detecting the position of the lens, and which can be reduced in size. The optical apparatus includes a light amount adjusting unit which adjusts a...

20060238904 - Optical apparatus: An optical apparatus is disclosed which can well maintain a surface contact state between a vibrator and a contact member of a vibration type linear actuator to perform a stable lens drive. The optical apparatus comprises a vibration type linear actuator driving a lens in an optical axis direction. The...

20060238905 - Probing apparatus and positional deviation acquiring method: In a prober, a post-contact image representing a region including a pad is acquired by capturing an image of a substrate after a probe has been brought into contact with the pad having an existing probe mark. An image storage unit stores in advance a pre-contact image representing the pad-inclusive...

20060238906 - Blind spot curved mirror: The Blind Spot Curved Mirror reflector has a constant radius curve from top to bottom, and straight from left to right sides, as a section of a cylinder. The outer shell has a section removed for installation alignment on an original equipment outer shell. The removed section form's a basic...

20060238907 - Vehicle door mirror: A vehicle door mirror is configured to be mounted on outside of a vehicle in a retractable manner from a set position to a retracted position. When moving to the set position or the retracted position, the vehicle door mirror is moved at a first speed from a start position...

20060238908 - Timing control circuit for an optical recording apparatus: An optical recording apparatus (1) is described, for writing information into an optical storage medium such as for instance an optical storage disc, the apparatus comprising a laser diode (30) and a laser diode driver circuit (20), which laser diode driver circuit (20) comprises a flipflop device (25), a write...

20060238909 - Color wheel with aligned segments: A color wheel for use in projector systems comprises a disc shaped hub, rotatable around a central axis and color filter segments arranged radially to said central axis and affixed to said hub. This color ring is arranged concentrically with respect to said axis and said segments' contour comprising an...

20060232837 - Reduced error kinematic mount: The kinematic mount is used to repeatedly couple two components together. The kinematic mount includes a connector that has a partial spherical surface and a partial cylindrical surface coupled to and substantially opposing the partial spherical surface. The connector includes a bore there-through from the partial spherical surface to the...

20060232838 - Method and apparatus for forming a surface-relief hologram mask: A method for manufacturing a surface-relief hologram mask for use on a lithographic system based on TIR holography that includes providing a master hologram mask of a pattern recorded using TIR holography, arranging said master hologram mask on the first face of a coupling element having a second face through...

20060232839 - Efficient multi-line narrow-band large format holographic filter: Narrow-line holographic filters that can include a plurality of lines and that can be structured to provide a large aperture device. Materials that can be used to construct filters include glasses, photorefractive crystals such as lithium niobate and photorefractive thick polymers. The filters are fabricated by assembling a plurality of...

20060232840 - Metal line structure of optical scanner and method of fabricating the same: A metal line structure of an optical scanner and a method of fabricating the same are provided. The metal line structure of the optical scanner includes: a glass substrate having a metal line region etched to a predetermined depth; a metal line formed in the metal line region; a diffusion...

20060232841 - Holographic recording and reconstructing apparatus and method: A holographic recording and reconstructing apparatus includes a light source having a variable oscillation wavelength; a temperature sensing unit operable to sense temperature; and a control unit operable to record information about a temperature sensed by the temperature sensing unit on a holographic recording medium during recording, to obtain the...

20060232842 - System, method and apparatus for direct imaging in ultrasonic holography: An acoustical holographic imaging method and apparatus for introducing a reference wave into a hologram surface such that the reference wave does not interfere with an object placed adjacent to or in close proximity to the hologram surface. More particularly, the ultrasonic holographic imaging system may use a reference wave...

20060232843 - Method for illuminating a sample: A method for illuminating a specimen or a region of the specimen (region of interest, ROI), the information indicating whether and in what manner a specific point on the specimen is to be illuminated, being stored in a data memory under a specific address. A change in the position, orientation,...

20060232844 - Optical scanning apparatus and image forming apparatus: An optical scanning apparatus includes a housing that positions and holds a plurality of light sources emitting light beams, a deflection mirror that deflects the light beams to perform main scanning, and at least one of optical image forming elements closest to the deflection mirror to form images on respective...

20060232845 - Multiple illumination source exposure apparatus: A system for combining outputs of multiple light sources includes a plurality of light sources, and a rotatable fold mirror oriented at an angle so as to reflect beams from each of the light sources towards the same direction at various times during its rotation. A projection optical system directs...

20060232846 - Off-axis variable focus and aberration control mirrors and method: An optical element with multi-layer composites that deforms to reduce optical aberrations in off-axis optic. Methods are also described in relation to the optical element....

20060232847 - Optical transmission method and optical transmission device: To compensate a waveform distortion by using a nature that a spectral shape is perfectly retained even if all the linear distortions occur on a time-axis. An optical pulse transmitted from an optical pulse transmitter (1) via an optical fiber transmission line (2) is transmitted. An optical Fourier transformer (3)...

20060232848 - Colorless differential phase shift keyed and low crosstalk demodulators: A new differential phase-shift-keyed demodulator is disclosed which can achieve signal demodulation at different wavelengths on ITU grids without requiring active thermal tuning. In accordance with another aspect of the invention, a low-crosstalk demodulator is disclosed which reduces channel leakage by placing neighboring channels at non-optimal interference positions. A demodulator...

20060232849 - Method and system for sensing environmental characteristics: A system for sensing characteristics of the environment is disclosed. Sensors utilize exponential growth of a signal initiated by interaction of a sensor element with characteristics of the environment. Specific substances in the environment can be detected. The sensor element may be intrinsically sensitive to the specific substance or can...

20060232850 - Raman diffusion optical amplifier: An amplifier or laser using the stimulated Raman diffusion effect comprises a light guide (6), and a light pump (10) for producing a pump wave. In order to increase amplification efficiency, the light guide comprises a core structure that includes at least one optically active component that presents an electron...

20060232851 - Optical amplifier: An optical amplifier includes a first optical path, second optical path, semiconductor optical amplifier, and multi-mode interference 3-dB coupler. The first optical path guides oscillation light. The second optical path guides signal light. The semiconductor optical amplifier causes oscillation on the first optical path. The multi-mode interference 3-dB coupler crosses...

20060232852 - Image processing apparatus, method of controlling image processing apparatus, image recognition method, image forming apparatus, information processing apparatus, and data processing method: An image processing apparatus is disclosed that controls a user interface according to image properties. The image processing apparatus includes a document data acquiring unit to acquire document data, an image recognizing unit to determine the image properties of the document data including a color and a gray level of...

20060232853 - Projection unit for a head-up display: The invention is directed to a projection unit for a head-up display comprising an image generator and a first mirror and second mirror for optical imaging which are arranged in a housing one after the other in the light propagation direction in such a way that the beam path is...

20060232854 - Microscope: A microscope comprising at least one or more motorized drive units, an operation unit with at least one or more operation switches for operating the motorized drive units, a control unit for controlling the motorized drive units and a setting unit in which the control unit can externally switch the...

20060232855 - Bright-field light source for fluorescence observation and surgical microscope with bright-field light source: A bright-field light source for a surgical microscope emits visible light whose spectral intensity in a wavelength at the wavelength (672 nm) of fluorescence radiated from an observation object is weaker than that of the remaining wavelength regions of the visible light. With the bright-field light source, the surgical microscope...

20060232856 - Microscope for operation: A microscope for operation having an illuminating optical system for illuminating an illuminating light toward an eye to be operated upon, an objective body tube with an objective positioned in the body tube to be opposite to the eye, a pair of observing optical systems disposed at opposite sides of...

20060232857 - Sliding structure for mobile: A slider having two parts is applied to electric devices, especially those with small sizes and light weights. The slider is made easily and is applied with ease too....

20060232858 - Angular attachment for the eyepiece of a rangefinder camera: An angular attachment has a housing (1) for fixing to an eyepiece (15) of a rangefinder camera (21) with laterally correct and height-correct representation of the finder image at an altered eyepiece angle, which contains a Bauernfeind prism (5) with double reflection in one plane as an image deflection element,...

20060232859 - Micro-lens sheet and projection screen: In order to provide a dual-surface lens sheet in which a color shift is reduced and positions of unit lenses on a front surface and a back surface are easily aligned even if the unit lenses are disposed in fine pitch when used for a rear projection screen which is...

20060232860 - Photo-induced dichroic polarizers and fabrication methods thereof: The present invention provides a method of forming a polarizing material comprising exposing a layer of dichroic material to activating light illumination to provide an ordered structure with a distinguished absorption axis and thus photo-induce polarization, and fixing the induced polarization by polymerisation of the dichroic layer. The present invention...

20060232861 - Light pipe and polarized-light source: A light pipe is obtained by laminating on one or both surfaces of a light-transmitting resin plate a polarized-light scattering plate having fine birefringent domains dispersed therein and hence showing anisotropy in scattering. The polarized-light scattering plate comprises a transparent film having fine domains dispersed therein comprising a liquid crystal...

20060232862 - Dual mode optical magnification system: An image-forming system, for example for a camcorder or digital still camera, comprises an object (1), such as a display, a multi-element magnifying optical path (8) and focal length varying means for addition, adjustment or removal of one or more elements (9) in the optical path in order to vary...

20060232863 - Thick film multilayer reflector with tailored layer thickness profile: A multilayer reflector useable to reflect or transmit light over the visible wavelength range includes optically thick constituent layers. The optical thickness of the constituent layers through the thickness of the reflector defines a layer thickness profile. The layers are arranged so that the thickness profile has a tailored non-uniform...

20060232864 - Backlight module: A backlight module (100) includes a reflection plate (120), a diffuser plate (110), at least one light source (130) arranged between the reflection plate and the diffuser plate, and at least one diverging lens (140) arranged between the at least one light source and the diffusing plate. The present backlight...

20060232865 - Optical fingerprint prism: A kind of optical fingerprint prism is disclosed. It has a solid structure with the surface comprising a ridge face (1), a ridge face (2), a left end face (3), an upper plane (4), a lower plane (5), a front plane (6) and a back plane (7); the ridge face...

20060232866 - Optical unit and exposure apparatus having the same: An optical unit includes a plate having a fixed position, an optical element having a specific optical action, a fixing device for partially fixing the optical element, and a deforming device, located between the plate and the optical element, for applying a deforming force to the optical element to asymmetrically...

20060232867 - Catoptric objectives and systems using catoptric objectives: In general, in one aspect, the invention features an objective arranged to image radiation from an object plane to an image plane, including a plurality of elements arranged to direct the radiation from the object plane to the image plane, wherein the objective has an image side numerical aperture of...

20060227398 - Data storage devices and methods: A data storage device including: a plastic substrate having a plurality of volumes arranged in tracks along a plurality of vertically stacked, laterally extending layers therein; and, a plurality of micro-holograms each contained in a corresponding one of the volumes; herein, the presence or absence of a micro-hologram in each...

20060227399 - Tilting device: A tilting device is disclosed which tilts the light reflected from a Digital Micro-mirror device by a certain angle and projects it to a screen. The tilting device, comprising a first reflector surface, a second reflector surface inclined at a predetermined angle with regard to the first reflector surface, a...

20060227400 - Light modulator device: A light modulator device includes a top plate and an angled extender coupled to the top plate. The angled extender includes an incident portion and an exit portion that is relatively thicker than the incident portion....

20060227401 - Modulator control system: An optical communications system comprising: an optical input and an output, a source of input signals in an asymmetric format and having a duty cycle, a modulator for modulating the input signals, to produce an asymmetric signal, the modulator comprising a Mach-Zehnder interferometer; drive means for driving the modulator at...

20060227402 - Wavefront correction system: A wavefront correction system using a dual frequency liquid crystal spatial light modulator to vary phase relationships of a wavefront is disclosed. A light beam from the dual frequency liquid crystal spatial light modulator can be split into a reference beam and a plurality of measurement beams to enhance a...

20060227403 - Laser scan unit having thermally-transformable slit: A laser scan unit includes a thermally-transformable slit having a laser beam hole that is variable in size to control a laser spot size being projected from a light source and focused on a scanning objective according to change of temperature. The thermally-transformable slit reduces the laser beam hole when...

20060227404 - Light modulator device: A light modulator device includes a bottom charge plate, a top charge plate, and a pixel plate supported by at least one flexure, wherein the flexure is a piece-wise linear flexure....

20060227405 - Microelectromechanical device with reset electrode: A microelectromechanical device having a reset electrode for use in various devices including display devices such as those employing spatial light modulators. The device includes an optically transmissive substrate, a semiconductor substrate, and a member deflectable between a rest position and an operative position supported by one of the substrates....

20060227406 - Optical coating on light transmissive substrates of micromirror devices: Disclosed herein is method of operating a device that comprises an array of micromirrors. The method comprises a process usable for repairing stuck micromirrors of the micromirror array during the operation. The reparation process applies, at the ON state, two consecutive refresh voltages to the mirror plates of the micromirrors...

20060227408 - Dynamic motile medium: In one embodiment of the invention there is provided a device for modulating light. The device comprises a plurality of nano-scale particles; a conformal structure defining a surface to which the nano-scale particles conform under influence of a displacement force; and a displacement mechanism to apply the displacement force to...

20060227407 - Electrophoretic display panel: The electrophoretic display panel (1), for displaying a picture and a subsequent picture, has drive means (100) which are arranged for controlling the potential difference picture potential difference having a picture value and an associated picture duration representing a picture energy for bringing the particles (6) from one the positions...

20060227409 - Mems mirror with amplified motion: A MEMS device achieves a large angle of rotation of a plate about 2 independent axes by employing a handle portion of the plate which is isolated by respective springs coupling the handle portion to each of two actuators. A first actuator, which rotates the mirror about the same axis...

20060227410 - Method and apparatus for electro-optical and all-optical beam steering, self-deflection and electro-optic routing: An apparatus for all-optical deflection of an incident optical signal beam, the apparatus comprising: a photorefractive semiconductor crystal; and an electric field source, for applying an electric field across the crystal either through electrodes or by positioning the crystal at a place where an electric field is present. In another...

20060227411 - Reciprocating optical modulator: A reciprocating optical modulator includes a continuous light path fulfilling an amplification function, an optical modulation part formed on the light path, a first optical band-pass filter and a second optical band-pass filter formed to nip the optical modulation part therebetween and a device to introduce exciting light for exciting...

20060227412 - Amplified optical ring transmission system: A ringed optical transmission system comprises along the ring rare earth doped fiber amplifiers. The system has a gain peak with a λASE wavelength outside the λ1-λn band of the channels transmitted along the ring, the wavelength corresponding to an ASE emission peak of the amplifiers in the ring. In...

20060227413 - Automated microscope: An automated microscope includes a stand and a front control panel. The front control panel is disposed on the stand and including a first and a second button. Third and a fourth buttons are associated with the microscope....

20060227414 - Microscope and a controlling method thereof: A microscope is configured, comprising a plurality of fixed-power lens units which are lens units composed of a combination of imaging lenses and objective lenses, of which the observation power when observing a sample mutually differs; a zoom lens unit which is a lens unit which can continuously change observation...

20060227415 - Wide-range, wide-angle compound zoom with simplified zooming structure: A zoom lens is disclosed having a zoom ratio larger than four with a field of view at the short focal length position larger than 85 degrees and with a minimal number of moving groups. The zoom lens utilizes a compound zoom structure comprising an NP or NPP zoom kernel...

20060227416 - Optical projection system and methods for configuring the same: An optical projection system for use with a display surface includes at least one image source comprising an array of source image pixels, a projector to project a first projection of the array of source image pixels, and at least one mirror including at least one curved reflecting surface having...

20060227417 - Multi-dimensional imaging: An apparatus and a system, as well as a method and an article, may include receiving a plurality of left eye rays through a first plurality of separating facets of a lens at an image acquisition plane, and receiving a plurality of right eye rays through a second plurality of...

20060227418 - Three-dimensional display method and device therefor: A number of images are displayed in horizontal and vertical directions so that the display directions do not agree with each other, and by expanding vertical display angular ranges of entire images with a vertical-direction diffusion plate (17), a vertical display angular range common to the entire images is generated....

20060227419 - 3d image display device: A 3D image display device is provided. The 3D image display device can sense a posture change of a 3D display using a gyro-sensor and prevent an image for an LE and an image for an RE from being converted using a sensed posture change. The 3D image display device...

20060227420 - Stereoscopic display switching between 2d/3d images using polarization grating screen: A stereoscopic display for switching between two-dimensional (2D) and three-dimensional (3D) images. The stereoscopic display includes a display device providing an image and a parallax barrier unit that transmits all incident light in a 2D mode and forms barriers to separate an image for a left eye from an image...

20060227422 - Circular polarizer using frequency selective surfaces: A circular polarizer (CP) includes an electrically insulating or semiconducting and optically transparent layer having a frequency selective surface (FSS) disposed thereon, the FSS includes a periodic array of electrically conductive spirals. For reflection mode operation, an electrically conducting substrate or ground plane layer preferably having a thickness of approximately...

20060227421 - Optical bodies including strippable boundary layers: The present disclosure is directed to optical bodies including a first optical film, a second optical film and one or more strippable boundary layers disposed between the first and second optical films. Each major surface of a strippable boundary layer may be disposed adjacent to an optical film or another...

20060227423 - Polarizer, method for producing same, polarizing plate, optical film, and image display: A polarizer of the invention comprises a polyvinyl alcohol-based film which is at least dyed with at least iodine and uniaxially stretched, having a single transmittance of 43% or more, a polarizing efficiency of 99.9% or more, and a dichroic ratio of 30 or more, wherein the dichroic ratio is...

20060227424 - Light tunnel module: A light tunnel device. The light tunnel device includes a plurality of reflectors and at least one sleeve. The sleeve completely or partially covers the reflectors. The reflectors are piled together to form a hollow tunnel, allowing a light to pass therethrough. The profile of the reflectors is trapezoid, rectangular...

20060227425 - Optical grating and method for the manufacture of such an optical grating: An optical grating has a multiplicity of parallel diffraction structures, which are arranged on a support defining a base face. Each structure has a blaze flank that is inclined substantially at the Littrow angle with respect to the base face, and a back flank. Both flanks together form a reflection...

20060227426 - Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion: An optical apparatus for producing chromatic dispersion. The apparatus includes a virtually imaged phased array (VIPA) generator, a mirror and a lens. The VIPA generator receives an input light at a respective wavelength and produces a corresponding collimated output light traveling from the VIPA generator in a direction determined by...

20060227427 - Omnidirectional lenticular and barrier-grid image displays and methods for making them: Image-directing devices, e.g. barriers or lenticular lenses, tilted so as to be other than vertical (zero degrees) or horizontal (ninety degrees), display two or more individual images, each viewable from a different viewing point. Composite images so displayed provide substantially the desired viewing experience regardless of whether their viewing surfaces...

20060227428 - Distortion correction for projector: An image processing device for a projector including an image formation section that emits light of an image, and a projection system that projects the emitted light onto a projection surface. The image processing device includes: a target display area determination section that determines, in a display area serving as...

20060227429 - Zoom lens and imaging apparatus including the same:

20060227430 - Zoom lens optical system: where fw denotes the overall focal length of the zoom lens optical system at the wide angle position, fT denotes the overall focal length of the zoom lens optical system at the telephoto position, and LIII denotes the amount of movement of the third lens group from the wide angle...

20060227431 - Optical lens, optical module having the same, and backlight assembly having the same: An optical module includes a point light source device and an optical lens. The point light source device generates light. The optical lens includes an inner curved surface and an outer curved surface. The inner curved surface has a first roughly ellipsoidal shape having a first major axis and a...

20060227432 - Projecting optical unit and projecting type image display apparatus therewith: The invention provides a projection image display device in which a trapezoidal distortion and/or aberration are restrained when an image is enlarged and projected obliquely onto a screen and an assembling and adjusting are easily done, and a projection optical unit usable for the device. An image generator is connected...

20060227433 - Fresnel optical element and projection display device: Each of a plurality of Fresnel prisms 12 is formed so that a refractive surface 12 thereof includes a non-light incidence surface 12c upon which any light ray emitted from a projector 1 is not directly incident because it is intercepted by another Fresnel prism 12, the non-light incidence surface...

20060227434 - Wide-angle lens system and image-taking device: A wide-angle lens system has, from the object side thereof: a first lens element having a negative optical power and having a meniscus shape convex to the object side; a second lens element having a biconcave shape; a third lens element having a biconvex shape; and a fourth lens element...

20060227435 - Optical system for a fundus camera: The invention is directed to an optical system for a fundus camera in which lens pairs are tilted relative to the imaging beam path to prevent flare. This tilting is carried out in two planes and these planes are preferably oriented perpendicular to one another....

20060227436 - Lens of image capture device: A lens, which is made by injection molding, has a main member having a top side, a bottom side and a taper periphery between the top side and the bottom side. At least three protrusions are provided at the periphery of the main member, each of which has a distal...

20060227437 - Lens driving mechanism, lens unit and image pickup device: Disclosed herein is a lens driving mechanism which can achieve simplification of the mechanism and provision of appropriate control relating to correction against a shake. The lens driving mechanism includes a piezoelectric element deformed when energized for applying driving force to the movable block, and a charge amount sensor for...

20060227438 - Tabletop wind chime: The present invention relates to a tabletop wind chime which comprises a base, a trunk, and attached sound-making devices that impact with one another to produce a pleasant sound when it is struck, shaken or blown. Branching rod-like features are attached to the trunk and sound-making devices may be attached...

20060227439 - Readily bondable polyester film for optical use and laminated polyester film for optical use: A readily-adhesive polyester film for optical applications that suppresses rainbow reflections under fluorescent lamps and has excellent adhesion to a hard coating layer and exhibits excellent adhesion at high temperatures and high humidities (resistance to humidity and heat) includes a biaxially-stretched polyester film and a coating layer that is stacked...

20060227440 - Generation of a desired wavefront with a plurality of phase contrast filters: The present invention relates to a method and a system for synthesizing an intensity pattern based on generalized phase contrast imaging. The phase filter contains a plurality of phase shifting regions that is matched to the layout of a light source array, each of the regions being positioned at the...

20060227442 - Color wheel with dovetailed balancing groove: A color wheel with dovetailed balancing groove, includes a motor, a metal ring and a set of color filter set. At a rotatable portion of the color wheel, such as the peripheral portion between the metal ring and the housing of the motor, or on the peripheral surface of the...

20060227441 - Monolithic color wheel and process for fabrication of the same: A method for fabricating a monolithic color wheel. The method includes (a) preparing a square transparent substrate; (b) forming a plurality of color filters on the square transparent substrate; and (c) cutting the square transparent substrate and the color filters together along a circular path, to form a color filter...

20060227444 - Method for focussing a film scanner and film scanner for carrying out the method: A method for focussing a film scanner provides for selecting a plurality of partial regions of the picture to be scanned for the purpose of focus monitoring. During the focussing of one of the selected partial regions, the focussing of the other partial regions is simultaneously monitored. The monitoring is...

20060227443 - Method for verifying scan precision of a laser measurement machine: A method for verifying scan precision of a laser measurement machine includes the steps of: preparing a transparent flat, of which the flatness of each plane is regarded as a flatness conventional true value; determining an optimum scanning mode; determining optimum scanning parameters under the optimum scanning mode; scanning the...

20060221419 - Hologram recorder: A hologram recorder is provided for recording a hologram on a hologram recording medium by interference of a recording beam with a reference beam. The recorder includes a light source for outputting coherent light to be split into the recording beam and the reference beam; a spatial light modulator for...

20060221420 - Recording and reproducing apparatus: The invention is a recording and reproducing apparatus for recording data on a recording medium having a holographic recording area and a buffer recording area. The recording and reproducing apparatus has a holographic recording controller which multiplexedly records user data as page data in a holographic form on the holographic...

20060221421 - Hologram recording device and phase mask: A hologram recording device for recording interference fringes between reference light and signal light modulated by data displayed in a spatial modulator in a hologram recording material, the hologram recording device including a phase mask for diffusing light, the phase mask being disposed in an optical system that the signal...

20060221422 - Holographic recording medium and holographic recording/reproducing method: A white-light reconstruction hologram and a Fourier hologram for data can be recorded in a same holographic recording medium. The holographic recording medium comprises, in a substantially identical plane, a white-light reconstruction holographic recording layer region capable of forming a white-light reconstruction hologram, having a thickness of 2 μm to...

20060221423 - Optical scanning apparatus and image forming apparatus using the same: An optical scanning apparatus includes an incidence optical system for causing a beam emitted from a light source to be incident on a deflector, and a scanning optical system for causing the beam reflected and deflected by the deflector to be imaged on a surface to be scanned. The scanning...

20060221424 - Method for recording information into rewritable thermal label of the non-contact type: A method for recording information into a rewritable thermal label of a non-contact type by irradiation with a laser beam is provided. When a prescribed drawing is conducted by irradiation with a laser beam focused on the rewritable thermal label of a non-contact type using an optical scanning apparatus, the...

20060221425 - Optical pulse regeneration device, installation comprising one such device and use of same: This device for optically regenerating pulses comprises time synchronization means (14) and intensity fluctuation stabilization means (14) for the pulses. In addition, it comprises noise suppression means (16) that are distinct from the synchronization means (14) and the stabilization means (14)....

20060221426 - Small mechanical optical shutter with non-imaging concentrating optics: In one embodiment, there is provided a method comprising positioning a light concentrating component, having a body comprising a near end and a far end, an exit pupil at the far end, and an internal reflective surface shaped and dimensioned to concentrate light entering the body at the near end...

20060221427 - Impedance matching circuit for optical transmitter: Impedance matching circuits for optical transmitters are disclosed. In one aspect, an impedance matching circuit may include an equalizer circuit, a resistor coupled between the equalizer circuit and ground, and an electro-absorption modulator or other light intensity modulator coupled in series with the equalizer circuit and coupled in parallel with...

20060221428 - Electro-optical device and electronic apparatus having the same: An electro-optical device includes: a first optical panel having a pair of substrates with an electro-optical material interposed therebetween; a second optical panel that has a pair of substrates with an electro-optical material interposed therebetween, is disposed so as to overlap the first optical panel in plan view, and is...

20060221429 - Reduction of speckle and interference patterns for laser projectors: The invention provides a system and method for reducing laser speckle and interference patterns in a laser projector display when using a laser projector having a spatial light modulator (SLM) with a defined pixel rate. The method can include the operation of polarizing a laser output of a continuous wave...

20060221430 - Versatile system for a locking electro-thermal actuated mems switch: A lockable MEMS switching architecture provided having a clutch assembly, a switching member, and an actuator. The clutch assembly has one or more engagement features located in proximity to the switching member - particularly one or more receiving features located upon the switching member. The clutch assembly is actuated to...

20060221431 - Electrophoretic caps prepared from encapsulated electrophoretic particles: Articles and methods for making capsules that include a cap of electrophoretic material suspended in a dielectric fluid are disclosed. The cap of electrophoretic material and dielectric fluid are encapsulated in a shell that forms the capsule. The cap may be moved to a viewable portion of an inner surface...

20060221432 - Optical switch, and method for controlling drive voltage thereof: An optical switch which minimizes losses in the power of output light while enabling deflection of light within a range of comparatively large deflection angles used for setting switching among output ports. The optical switch is configured to have a first light deflection element deflecting the input light at an...

20060221433 - Multi-stage optical switching device: An optical switching device contains an active stage coupled to a passive stage. The index of refraction in the active stage is variable to change the entry direction of a light beam into the passive stage, which has a fixed index of refraction. Because the light beam can enter the...

20060221434 - Laser oscillation device: A laser oscillation device, comprising a laser crystal which is an optical crystal for oscillating an incident excitation light to a fundamental wave, a wavelength conversion crystal for second harmonic wave which is an optical crystal for converting the fundamental wave to a second harmonic wave, and a reflection film...

20060221435 - Wavelength division multiplexing device, an optical leakage prevention method, and a wavelength division multiplexing communication system: A wavelength division multiplexing (WDM) device, an optical leakage prevention method, and a WDM communication system are disclosed. The WDM device includes a level adjusting unit for receiving an optical signal, for adjusting the optical power level of the received optical signal, and for outputting the level-adjusted optical signal; and...

20060221436 - Method and system for suppressing ase noise: A bandstop filter method and system for suppressing ASE noise is disclosed. In one embodiment of the bandstop filter system, there is provided a first switch, having an input port for receiving an optical signal, and two output ports; a bandstop filter coupled to a first of the two output...

20060221437 - Optical transmission systems including optical amplifiers and methods of use therein: Optical transmission systems of the present invention include a plurality of optical amplifiers configured to provide optical amplification of one or more information carrying optical signal wavelengths. At least two of the optical amplifier are operated to provide net losses or net gains along corresponding spans, while the cumulative gain...

20060221438 - Semiconductor device: In a semiconductor device comprising a semiconductor optical amplifier, in order to allow a photodetector to be integrated without causing power loss at a low cost, the semiconductor device comprises a semiconductor substrate, a semiconductor optical waveguide, at least partly capable of functioning as a semiconductor optical amplifier, to guide...

20060221439 - Laser device: A laser device includes a crystal array comprising a laser gain crystal and an optically nonlinear frequency conversion crystal, plus a pump source suitable for coupling at least two mutually spatially separated pump beams into said crystal array....

20060221440 - Multi-layer spectral purity filter, lithographic apparatus including such a spectral purity filter, device manufacturing method, and device manufactured thereby: A multi-layered spectral purity filters improveS the spectral purity of an Extreme Ultra-Violet (EUV) radiation beam and also collect debris emitted from a radiation source....

20060221441 - Stereomicroscope or additional element for a stereomicroscope: A stereomicroscope with a binocular tube (1); with a microscope body (4); with a microscope holder (14) that is connected to a focus-adjusting mechanism (9), the focus-adjusting mechanism (9) in turn being fastened to a stand (13); with a carrier (12) bearing the microscope body (4) and being displaceable obliquely...

20060221442 - Interpupillary distance adjustment mechanism for optical device: An interpupillary distance adjustment mechanism for an optical device includes a slide rail (1) mounted on a middle support of the optical device, two slide blocks (2) mounted on respective lens barrels of the optical device, and a blocking member (4, 4′). The two slide blocks are slidably movable relative...

20060221443 - Stereoscopic display for switching between 2d/3d images: A stereoscopic display for switching between a 2D image and a 3D image, including a display device displaying an image; and a parallax barrier that transmits incident light in a 2D mode and forms barriers to separate images for a left eye and a right eye in a 3D mode....

20060221444 - Image displaying apparatus: An image displaying apparatus is provided, which can display a 2D image can be displayed with wide viewing angle and high definition, without including a fast response LCD or without switching a light source at high speed. The image displaying apparatus which projects parallax images on a viewer includes; a...

20060221446 - Optical polarizing films with designed color shifts: Multilayer films are provided that exhibit a colored appearance when viewed at an oblique angle as a result of one or more reflection bands in the visible region of the spectrum. The films however provide no substantial reflection bands in either the visible or near infrared regions for light normally...

20060221445 - Polarizing beam splitter assembly having reduced stress: A polarizing beam splitter includes a multilayer polarizing film, a first cross-linked silicone gel layer disposed on the multilayer polarizing film, a first rigid cover disposed on the cross-linked silicone gel layer, and a second rigid cover disposed adjacent to the multilayer polarizing film....

20060221447 - Stabilized polarizing beam splitter assembly: A polarizing beam splitter includes a polyester polarizing film, an adhesive layer disposed on the polyester polarizing film, a first rigid cover disposed on the adhesive layer, and a second rigid cover disposed adjacent to the polyester polarizing film. The adhesive layer includes an adhesive and a hindered amine, benzophenone,...

20060221448 - Multi-plane optical apparatus: An optical apparatus for transmitting light having a spectrum of wavelengths is disclosed. The apparatus comprises a plurality of optical devices design and constructed to decompose the light into a plurality of portions, respectively corresponding to different sub-spectra of the spectrum, such that each portion of the light is transmitted...

20060221449 - Stretching and compression of laser pulses by means of high efficiency volume diffractive gratings with variable periods in photo-thermo-refractive glass: High efficiency reflective volume Bragg gratings with chirped gratings recorded in photo-thermo-refractive glass having an absolute diffraction efficiency exceeding 95% in transmitting and reflecting modes are used to stretch and/or compress ultrashort laser pulses with high efficiency. Robustness, compactness, thermal and laser stability along with placement of multiple elements in...

20060221450 - Distributed bragg reflector systems and methods: A distributed Bragg reflector includes a first layer formed to be a first thickness, and a second layer formed to be a second thickness. A method of forming a distributed Bragg reflector includes forming a first layer to be a first thickness and forming a second layer to be a...

20060221451 - Anti-glare film: An anti-glare film is superior in low reflectivity and economy and balances conductivity, abrasion resistance, and contamination resistance. The anti-glare film has a transparent substrate, and at least a hard coat layer, a high refractive index layer, and a low refractive index layer provided on the transparent substrate, the high...

20060221452 - Anti-glare reflective and transmissive devices: Devices that include a dichroic material sandwiched between first and second electrodes layers and exhibiting a high optical absorption when the first and second electrode layers are biased at a first electrical bias state and a low optical absorption when the first and second electrode layers are biased at a...

20060221453 - Fly's eye condenser and illumination system therewith: A fly's eye condenser (15) for converting an input light distribution into an output light distribution has at least one raster arrangement of optical groups (21, 22), of which at least some comprise polarization-changing means (30) suitable for changing polarization. The polarization-changing means include at least one layer of birefringent...

20060221454 - Collimator lens for optical pickup: A collimator lens located in a light path from a laser light source to an optical information recording medium. The collimator lens is constituted by a cemented lens which is composed of a biconvex lens and a meniscus lens, and an aspheric plastic lens in the form of a transparent...

20060221455 - Optical system for collimating elliptical light beam and optical device using the same: An optical system (20) for efficiently collimating an elliptical light beam includes a light source (21), a collimator (22), and at least one prism (23,24). The light source is adapted for providing an elliptical light beam defining different diverging angles in different directions, wherein any cross-section of the elliptical light...

20060221456 - Objectives as a microlithography projection objective with at least one liquid lens: The invention relates to an objective designed as a microlithography projection objective for an operating wavelength. The objective has a greatest adjustable image-side numerical aperture NA, at least one first lens made from a solid transparent body, in particular glass or crystal, with a refractive index nL and at least...

20060221457 - Endoscope objective lens system: wherein f1: the focal length of the most object-side negative lens element of the negative front lens group; f: the focal length of the entire endoscope objective lens system; fF: the focal length of the negative front lens group (fF<0); fR: the focal length of the positive rear lens group...

20060221458 - Variable focus lens and optical device using the same as well as method of manufacturing variable focus lens: A variable focus lens contains a conductive liquid material portion and an insulative liquid material portion in a cylindrical container and includes a first electrode which applies voltage to the conductive liquid material portion through a dielectric layer and a second electrode which directly contacts with the conductive liquid material...

20060221459 - Optical system for projecting a line of illumination from an array of lasers: An optical system is disclosed for projecting a line of laser illumination. The optical system includes a plurality of laser diodes arranged in a linear array, a first anamorphic lens structure that at least substantially collimates a fast axis of illumination from the plurality of laser diodes, a second anamorphic...

20060221460 - Zoom lens system and image pickup apparatus with the system: At least one exemplary embodiment is directed to a zoom lens system, which can have a diffractive optical element, achieves high optical performance over a wide zoom range. The zoom lens system includes a first lens unit having positive optical power, a second lens unit having negative optical power, and...

20060221461 - Zoom lens system: Providing a compact zoom lens system with high optical performance suitable for an SLR digital camera with a solid-state imaging device of the APS-C size. The zoom lens system includes, in order from an object, a first group having negative power, a second group having positive power, a third group...

20060221462 - Zoom lens system and image pickup apparatus including the same: At least one exemplary embodiment is directed to a zoom lens system which includes a first lens unit having a positive optical power, a second lens unit having a negative optical power and positioned on the image side of the first lens unit, a third lens unit having a positive...

20060221463 - Zoom lens system: A zoom lens system includes a negative first lens group, a diaphragm, a positive second lens group, and a positive third lens group, in this order from the object. Zooming is performed by moving the negative first lens group and the positive second lens group in the optical axis direction....

20060221464 - Zoom lens system: Object is to provide an inner-focusing type zoom lens system carrying out focusing by moving a portion of a first lens group suitable for an auto-focus SLR camera. A zoom lens system includes, in order from an object, a first lens group having positive refractive power, a second lens group...

20060221465 - Lens barrel assembly having outer and inner barrels: A lens barrel assembly for use with a digital still camera includes an outer barrel having a front end and a rear end. An inner barrel is inserted in the outer barrel in an optical axis direction. The outer barrel moves forwards relative to the inner barrel, to shift between...

20060221466 - Zoom lens apparatus: A zoom lens apparatus is provided. In the zoom lens apparatus, rotation of a motor is transmitted to a cam drive gear by reducing a speed thereof by a plurality of reduction gears. The cam drive gear transmits rotation thereof to a zoom cam provided coaxially therewith. A first lens...

20060221467 - Compact lens system: A compact lens system includes a first positive lens element (1) on the object side and a second negative lens element (2) on the image side. The first positive lens element is a meniscus lens having a convex surface (11) facing the object side. The second negative lens element is...

20060221468 - Optical system for telescope: An optical system (1) of telescope includes an objective lens (10) for collecting incident light and transmitting the incident light along a light path, and an imaging lens group (20) disposed on the light path that makes the optical system focus on an image plane (40). The imaging lens group...

20060221469 - Lens unit and compact image pickup module: The lens unit includes an imaging lens including lenses, each of which includes a lens portion having an optical function and a flange portion on a periphery of the lens portion, and a ring-shaped lens holding member provided between the lenses and holds at least one of the lenses and...

20060221470 - Optical disk device: A focus control circuit controls focus of a laser light by using an objective lens actuator. A tracking control circuit controls tracking of the laser light by using the objective lens actuator. The lens actuator includes a fixed unit including two magnets; and a moving unit arranged between the two...

20060221471 - Positioning structure: A positioning structure having a positioning projection on attaching surface is provided. The attaching surface is inclined within an acute angle with respect to a direction orthogonal to an opening and closing direction of a mold for forming the surface. The positioning projection formed on the attaching surface is molded...

20060221472 - Driving mechanism, imaging mechanism and cellular phone: A driving mechanism comprises: (i) an electromechanical conversion element comprising: an elongating and contracting portion that elongates and contracts; and a dummy layer that does not contribute to elongation and contraction of the electromechanical conversion element, in which one end of the dummy layer is attached to one end, in...

20060221473 - Reflector device: In a reflecting mirror, a plurality of segmented mirrors are grouped into a plurality of groups of a cluster, and are supported by a plurality of sub mirror cells. The plurality of sub mirror cells are supported by a mirror cell, and all the segmented mirrors are supported by the...

20060221474 - Optical thin film and mirror using the same: To provide an optical thin film structure capable of efficiently dissipating heat in an optical thin film which is generated upon irradiating a surface of an X-ray mirror made up of the optical thin film with an X-ray. The optical thin film having an isotope purity higher than a natural...

20060221475 - Aperture and projection lens system: An aperture comprising a round filter portion and at least one annular filter portion is provided. The round filter portion and the annular filter portion are forming a round zone. A transmission wavelength range of the round filter portion is larger than a transmission wavelength range of the annular filter...