Optical: systems and elements inventions 02/06

20060039046 - Image combiner and image display: The light from the image forming element 2 is reflected by the PBS 8, and is incident on the λ/4 plate 7 so that this light is converted into circularly polarized light. Subsequently, the light is subjected to a reflection/diffraction effect and image focusing effect by the reflective type HOE...

20060039047 - Holographic device: A holographic device includes a reference beam unit that makes reference beams incident on a plurality of holograms formed in a plate-shaped recording medium; and a light receiving unit that receives exiting light from the holograms. The reference beam unit includes a light emitting part that emits the reference beams,...

20060039050 - Live print scanner with active holographic platen: This invention relates to the use of holographic optical elements in the design and application of biometric scanning instruments used typically for capturing biometric information such as fingerprints and handprints. Applications of holographic optical elements include providing several novel operational features involving display, annunciation, and control of biometric fingerprint and...

20060039049 - Live print scanner with holographic imaging at different magnifications: This invention relates to the use of holographic optical elements in the design and application of biometric scanning instruments used typically for capturing biometric information such as fingerprints and handprints. A system and method for capturing print images from select areas of a platen are presented. The system includes a...

20060039048 - Systems and methods of capturing prints with a holographic optical element: This invention relates to the use of holographic optical elements in the design and application of biometric scanning instruments used typically for capturing biometric information such as fingerprints and handprints. Holographic optical elements provide the opportunity for fingerprint scanning manufacturers to reduce product development cycle times, reduce product cost, size,...

20060039051 - Hologram apparatus, positioning method for spatial light modulator and image pickup device, and hologram recording material: The present invention provides a hologram apparatus for recording interference fringes formed from reference light and signal light optically spatially modulated by a spatial light modulator on a hologram recording material or picking up an image of reproduction signal light produced by irradiating illumination reproduction light on the hologram recording...

20060039052 - Method and mechanism for suppressing adverse influence on imaging of symptoms of optical elements: This invention relates to a method of forming an object image on an imaging surface using a lens such as a condenser lens, projection lens unit, or the like as an optical element. The object image is formed on the imaging surface while rotating a section perpendicular to the thickness...

20060039053 - Light modulator type multi-beam scanning apparatus using dichroic slit: Disclosed herein is a light modulator type multi-beam scanning apparatus using a dichroic slit. The scanning apparatus includes a first lens unit, a plurality of light modulators, a focusing unit, a second lens unit and a third lens unit. The first lens unit converts a plurality of beams of light...

20060039054 - Scanning optical apparatus and image forming apparatus using the same: A scanning optical device including: a light source unit; a first optical element that inputs a light flux emitted from the light source unit to output the light flux; a second optical element that converts the light flux emitted from the first optical element into a longitudinal linear image in...

20060039055 - Optical scanning device: An optical scanning device (1) is for scanning two information layers (2, 2′) with two radiation beams (4) in two operating modes. It comprises a radiation source (7) for emitting the two radiation beams, an objective lens system (8) for converging the two beams on the positions of the two...

20060039056 - Beam scanning optical system: Provided is a beam scanning optical system. The beam scanning optical system includes a scanner scanning an incident light beam, a projection optical system projecting the image of the light beam scanned by the scanner onto an image plane, and a resolution enhancement unit improving resolution so that the light...

20060039057 - Laser processing apparatus and method using polygon mirror: Disclosed is a laser processing apparatus and method for enhancing processing efficiency of an object by means of a polygon mirror. The laser processing apparatus includes a laser generator outputting a laser beam with a predetermined diameter, a polygon mirror rotating on an axis with plural reflection planes to reflect...

20060039058 - Polygon mirror drive motor: A polygon mirror drive motor according to the present invention comprises a stator and a rotor having a hexahedron-shaped polygon mirror and a rotation drive shaft. The polygon mirror in one preferred mode is comprised of two square faces that are parallel with each other and orthogonal to said rotation...

20060039059 - Raster scanning display system: Disclosed herein is a raster scanning display system. The raster scanning display system includes a micro mirror and a galvanic mirror. The micro mirror rotates in two horizontal directions and forms a horizontal beam by reflecting input light. The galvanic mirror rotates in two vertical directions and forms a two-dimensional...

20060039060 - Scanning device and fabrication method thereof: A scanning device includes a mirror unit formed on a substrate so as to be pivotable centering around one axis for adjusting the direction of reflected light; a support frame formed at one surface of the mirror unit for preventing dynamic deflection of the mirror unit and supporting the mirror...

20060039061 - Solar-pumped active device: The present invention provides a solar-pumped active device which utilizes a holographic antenna grating on a solar energy silicon substrate to select specific diffracted wavelength and couple pump wavelength in an approximately vertical way and converge the pump wavelength to excite an optical gain medium so that an optical amplifier...

20060039062 - Optical low pass filter: The present invention is an optical device comprising; a first laminated film of alternate layers of optical thin films of high refractivity material and low refractivity material, and having an optical film thickness “a”; a second laminated film of alternate layers of optical thin films of high refractivity material and...

20060039063 - Ceramic coating for parts of a microscope: A microscope is disclosed which comprises several parts, such as a stand, a stage, a nose piece and several elements used to operate the microscope. At least one of these parts is provided with the ceramic layer on its surface....

20060039064 - Automatic focus detection device and microscope system having the same: An AF dark field illumination device and an objective lens are moved as the unity. A tissue sample in a petri dish is illuminated by infrared light incident with an oblique angle from an LED light source. The casting of the infrared light causes scattered light from the tissue sample....

20060039065 - Efficient optical system and beam pathway design for laser-based distance measuring device: An efficient optical system and beam transmission and reception pathway design of particular applicability in the implementation of a cost effective, compact laser-based range-finding instrument. The design is one in which the visual pathway may be made coincident with either the laser transmission or laser reception pathway and may conveniently...

20060039066 - Light diffusing substrate, transmission screen, and display device: A transmission screen includes a Fresnel lens sheet through which light is projected from a projector to a lenticular lens sheet arranged on a viewer side, as approximately parallel light, and the lenticular lens sheet receiving light passing through the Fresnel lens sheet, and emitting the approximately parallel light while...

20060039068 - Optical device, display device, and three-dimension image display device: An optical element, an optical device, and a display device are disclosed that are able to change a polarization state in time order and to produce polarized light with little wavelength dependence and superior in polarization purity, and able to perform pixel shift easily and accurately to realize high resolution...

20060039067 - Wavefront splitting element for euv light and phase measuring apparatus using the same: A wavefront splitting element includes a diffraction grating for splitting light into multiple beams including transmitting light and reflected light....

20060039069 - Polarized light separating element embedded with thin metallic wire: An object of the present invention is to provide a high-performance polarized light separating element having stable structure and superior durability, whose product with a large area can easily be manufactured. There is provided a polarized light separating element comprising a plurality of thin metallic wires 21, 21 embedded and...

20060039070 - Polarizing plate with melanin: The present invention is directed to the incorporation of melanin in an optical article with polarization properties. Such an article includes a first polymer layer containing a polarizing agent, a second polymer layer containing melanin and wherein the second polymer layer is disposed upon the first polymer layer....

20060039071 - Polarizers and isolators and methods of manufacture: Polarizing glass articles, optical isolators including polarizing glass articles, and methods of manufacturing polarizing glass articles and optical isolators are disclosed. The methods manufacture can be used to manufacture isolators exhibiting improved contrast ratio....

20060039072 - Polarization-selectively blazed, diffractive optical element: A polarization-selectively blazed, diffractive optical element is provided, comprising a plurality of contiguous blaze structures, which extend along a given geometrical path and each have a width (g1, g2, g3) perpendicular to their direction of extension (R1, R2, R3), said width being greater than the wavelength (X) of the electromagnetic...

20060039073 - Prism sheet of liquid crystal display and back light unit using the same: A prism sheet of a liquid crystal display (LCD) includes a body part made of a transparent resin material; and a plurality of intaglio-type optical unit structures arranged on the body part, each of the optical unit structures having an intaglio-type or a relief type polyhedron inside of a rectangular...

20060039074 - Optical imaging device designs for solar-powered flight and powergeneration: The invention provides a lightweight high numerical aperture imaging device (1) comprising two rotationally symmetric curved mirrors (1a), (1b), which can be combined with various other components to facilitate solar-powered flight (including via direct deflection of sunlight (2c), in a manner akin to a solar sail or via solar thermal...

20060033972 - 3d image display and 3d image display method: A small, inexpensive three-dimensional image display having a structure for displaying a color three-dimensional image sharply even if a low-resolution spatial optical modulating element is used. The three-dimensional image display has an illumination light source unit, a transmission spatial optical modulating element, a lens, and a mask. The illumination light...

20060033973 - Focusing module: A focusing module for scanners includes a body which holds a lens and a transmission device on one side thereof to move the lens linearly and adjust a desired scanning focal length. Therefore the diaphragm may be enlarged to increase the scanning speed without reducing the depth of field and...

20060033974 - Light regulator and image pickup system: A light regulator includes a substrate having an optical aperture, an even number of blade members (six or more) arranged substantially uniformly around the optical aperture, and spindles provided on the substrate for freely rotatably supporting base end portions of the blade members. The blade members are overlapped with each...

20060033975 - Photonic mems and structures: An interference modulator (Imod) incorporates anti-reflection coatings and/or micro-fabricated supplemental lighting sources. An efficient drive scheme is provided for matrix addressed arrays of IMods or other micromechanical devices. An improved color scheme provides greater flexibility. Electronic hardware can be field reconfigured to accommodate different display formats and/or application functions. An...

20060033976 - Display apparatus with two polarization compensators: A projection display apparatus (10) uses a modulation optical system (200) that includes a liquid crystal device (210) in combination with a wire grid polarization beamsplitter (240), a wire grid polarization analyzer (270) and a projection lens (285) to form an image. In order to achieve high contrast and maintain...

20060033977 - Micromirror device: A spatial light modulator comprises an array of micromirror devices each of which has a reflective and deflectable mirror plates. The mirror plates are moved between an ON and OFF state during operation, wherein the OFF state is a state wherein the mirror plate is not parallel to the substrate...

20060033978 - Electrochemical device, such as an electrically controlled system with variable optical and/or energy properties: An electrochemical device includes at least one carrier substrate, and a stack of functional layers including at least one electrically conducting layer that includes metal oxide(s), and a multicomponent electrode including at least one electrochemically active layer, at least one higher-conductivity material and at least one network of one of...

20060033979 - External aperturing for digital micromirror devices: A digital micromirror device arrangement and devices using the arrangement are disclosed. The arrangement includes a digital micromirror device (DMD) having an active area, a cover plate disposed substantially adjacent to the DMD and having a thickness and a light blocking area having an aperture formed therein. The active area...

20060033980 - Light modulator assembly: A light modulator assembly includes a substrate, a micro-electro mechanical semiconductor device (MEMS device) formed on the substrate, and a temperature control device coupled to said substrate and configured to maintain the MEMS device at or above an elevated threshold temperature....

20060033981 - Direct drive display with a multi-layer backplane and process for its manufacture: The present invention relates to a direct drive display having a multi-layer backplane and a process for manufacturing such a display....

20060033982 - Display device with side-illuminated cell: A display device may include a cell containing a suspension fluid and at least one suspension particle dispersed within the suspension fluid. The suspension particle may be adapted to migrate in the suspension fluid under the influence of an electric field. A light waveguide layer may extend adjacent to a...

20060033983 - Optical fiber for raman amplification: Raman amplifier having an optical fiber made of a tellurite glass is disclosed. The tellurite glass has at least two further metal oxides, the metals of said respective two oxides being selected from a first group of Nb, W, Ti, Tl, Ta, and Mo and from a second group of...

20060033984 - Optical mount with uv adhesive and protective layer: An assembly includes a holder (5), an optical component (1) transmitting radiation in a first region of ultraviolet (UV) radiation adhered to the holder by an adhesive (4), the adhesive being hardenable by radiation of a second region of ultraviolet radiation, a first layer (3) disposed between the optical component...

20060033985 - Multi-directional viewing and imaging: A solution for directing electromagnetic radiation, such as visible light, from multiple fields of view in differing directions to a single view point is provided. The radiation received from one or more fields of view is directed onto a first reflective surface, the radiation reflected off of the first reflective...

20060033986 - Non-destructive inspection method and apparatus therefor: By using an image signal acquired by picking up a sample to be inspected by a color video camera, penetrant inspection and magnetic-particle inspection which are non-destructive inspections are carried out so that deficiency candidates including a pseudo deficiency are automatically detected and are displayed on a screen. A real...

20060033988 - Confocal scanning microscope: The present invention provides a confocal scanning microscope whereby fluorescence observations can be made using a plurality of types of excitation light without the need for attaching and detaching a light source to and from the optical fiber. The confocal scanning microscope comprises: a light source unit for emitting excitation...

20060033989 - Methods for hyperspace diagonal counting for multiobjective pareto frontier visualization and systems thereof: A method and system for visually representing a Pareto frontier includes performing two or more optimizations from different initial points to obtain optimal values for each of two or more objective functions. A minimum value and a maximum value are identified from the optimal values for each of the objective...

20060033987 - Microscope with a viewing direction perpendicular to the illumination direction: The invention relates to a microscope, in which a layer of the sample is illuminated by a thin strip of light (11) and the sample is viewed (5) perpendicular to the plane of the strip of light. The depth of the strip of light (11) thus essentially determines the depth...

20060033990 - Pair of binoculars: The invention aims at providing a pair of binoculars making it possible to easily perform a focusing operation and a diopter adjustment, and efficiently perform an assembling operation. The present invention provides a pair of binoculars having a pair of supporters for supporting adjustment lenses provided between a pair of...

20060033991 - Screen, its manufacturing method and image display system: A projection screen comprises a red-reflecting particle layer, green-reflecting particle layer and blue-reflecting particle layer sequentially stacked on a substrate. In each particle layer, particles are accumulated by eleven cycles in a regularly alignment such as close packed structure. Diameter of red reflecting particles is approximately 280 nm, diameter of...

20060033992 - Advanced integrated scanning focal immersive visual display: The present invention discloses an improved method and device for the display of a three-dimensional image with visual accommodation, including an improved method for manufacturing a visual display incorporating a scanned light source. An improved method of presenting visual information is also disclosed....

20060033993 - Adhesive for polarizing plate, polarizing plate, method for producing same, optical film and image display: An adhesive for polarizing plate used in order to provide a transparent protective film on at least one surface of a polarizer, comprising a crosslinking agent in the range of more than 30 parts by weight and 46 parts by weight or less relative to 100 parts by weight of...

20060033994 - Thin brightness enhancement polarizer: It is the primary object of the invention to provide an ultra-thin brightness enhancement polarizer, and as the result, reduce the overall thickness of a display screen employing the brightness enhancement polarizer. In order to achieve the aforementioned object, the present invention provides a brightness enhancement polarizer, comprising: a reflective...

20060033995 - Wide-angle beam steering system: A beam steering system having first diffraction gratings, each one being associated with a corresponding one of a first plurality of grating vectors disposed substantially in a first plane. The gratings diffract optical energy from any one of a plurality of input directions of resonance to a corresponding one of...

20060033996 - Optical pickup using an optical phase plate and which is compatible with optical recording media of different types: An optical pickup apparatus having laser light sources emit a first light beam having a relatively shorter wavelength for a DVD and a second light beam having a longer wavelength for a CD-R, an objective lens having a focal length of an information recording surface in the DVD, an optical...

20060033997 - High efficiency micro-display system: Micro-displays used for front or rear projection systems as well as near-eye viewing systems may be enhanced using embodiments of the present invention. In one embodiment, the invention may include an array of micromechanical optical modulators, an electronic control system for operating the optical modulators in accordance with a received...

20060033998 - Method and system for thermal imaging having a selective temperature imaging mode: The present invention is a method for operating a thermal imaging camera for selective temperature imaging, and a thermal imaging system having a selective temperature imaging mode. When first entering the selective temperature imaging mode of operation, the system and method automatically determine the hottest area in a scene and...

20060033999 - Real-time wide-angle image correction system and method for computer image viewing: The present invention includes a real-time wide-angle image correction system and a method for alleviating distortion and perception problems in images captured by wide-angle cameras. In general, the real-time wide-angle image correction method generates warp table from pixel coordinates of a wide-angle image and applies the warp table to the...

20060034000 - Zoom lens for digital image capturing apparatus: A zoom lens for digital image capturing apparatus is a shared lens of digital static cameras and digital video cameras. It contains three lens groups. From the object plane to the image plane, the first lens group has a negative refractive power, the second lens group has a positive refractive...

20060034001 - Movable lens control device: A movable lens control device for controlling movements of movable lens groups including a first movable lens group and a second movable lens group, the movable lens control device including a lens driving device for moving the first and second movable lens groups in the optical axis direction; a position...

20060034002 - Refractive block and imaging systems: A refractive block includes a light-entrance surface configured to be mounted to a refractive boundary of a vehicle, and a light-exit surface wherein the refractive block is configured to refract an optical path of light corresponding to an imaged area and to direct the light to an image-sensing component....

20060034003 - Optical method and system for extended depth of focus: An imaging arrangement and method for extended the depth of focus are provided. The imaging arrangement comprises an imaging lens having a certain affective aperture, and an optical element associated with said imaging lens. The optical element is configured as a phase-affecting, non-diffractive optical element defining a spatially low frequency...

20060034004 - Optical element holder, exposure apparatus, and device fabricating method: An optical element holder for holding an optical element includes a holding element to hold the optical element or a holding part provided to the optical element unitedly, wherein there is substantially no heat exchange between the optical element and the holding element or the holding part and the holding...

20060034005 - Vehicle mirror system: A mirror system for a vehicle having driver's side viewing device located in a mirror housing mounted on the vehicle wherein a first section of the mirror housing contains a viewing surface in the interior of the vehicle and a second portion of the mirror housing is optically open to...

20060034006 - Hinge for micro-mirror devices: An improved hinge for a micro-mirror device composed of a conductive doped semiconductor and immune to plastic deformation at typical to extreme temperatures. The hinge is directly connected to the micro-mirror device and facilitates the manufacturing of an optically flat micro-mirror. This eliminates Fraunhofer diffraction due to recesses on the...

20060028702 - Hologram recording medium, recording/reproducing apparatus and method therefor: A hologram recording medium in which data is recorded at a high density, the input of a reference beam to an area to which data is not to be recorded of a recording layer is prevented when recording data to the hologram recording medium, and an amount of noise when...

20060028703 - Method of using deformable mirror using piezoelectric actuators formed as an integrated circuit: A deformable optical device includes a reflection device having a first reflecting surface and a second surface, an actuator (e.g., an integrated circuit piezoelectric actuator) having a support device and moveable extensions extending therefrom, which are coupled to the second surface, and electrodes coupled to corresponding ones of the extensions....

20060028704 - Electronic module: An electronic module includes: a first-stage circuit producing a drive signal based on a first potential that is either a positive or negative potential; a second-stage circuit including a first element reversely driven between a second potential equal to the first potential and the drive signal, and a second element...

20060028705 - Thermally tuned filter having a pre-stressed membrane: A thermally tuned filter comprising an optical tuning device and a pre-stressed membrane positioned on the optical tuning device. A tensile prestress of the pre-stressed membrane to increase a natural frequency of the thermally tuned filter....

20060028706 - Polarizer device for generating a defined spatial distribution of polarization states: A polarizer device, for converting an entry light beam into an exit light beam with a defined spatial distribution of polarization states, has an angle varying input device for receiving the entry light beam and for generating a first light beam with a predeterminable first angular distribution of light rays;...

20060028707 - Electrochromic display device and electrodeposition-type display device: Between each transparent pixel electrode driven by TFT as a drive device and a common electrode, a polymer layer located in contact with the transparent pixel electrode and electrically active to change in color by electrochemical oxidization or reduction and a polymeric solid electrolytic layer located in contact with the...

20060028708 - Method and device for modulating light: An Interferometric Modulator (IMod) is a microelectromechanical device for modulating light using interference. The colors of these devices may be determined in a spatial fashion, and their inherent color shift may be compensated for using several optical compensation mechanisms. Brightness, addressing, and driving of IMods may be accomplished in a...

20060028709 - Two-dimensional image projection system: A two-dimensional image projection device using array of micromirror array lenses and a random scanning technique is invented. Using the random scanning technique, the light efficiency is nearly doubled than that of the prior art. The invention makes a brighter and less power consuming display device possible. Because each micromirror...

20060028710 - Aom frequency and amplitude modulation techniques for facilitating full beam extinction in laser systems: Digital control of frequency and/or amplitude modulation techniques of an intracavity and/or extracavity AOM (60) facilitate substantially full extinction of a laser beam (90) to prevent unwanted laser energy from impinging a workpiece (80); facilitate laser pulse amplitude stability through closed-loop control of pulse-to-pulse laser energy; facilitate beam-positioning control including,...

20060028711 - Optical modulation element module: The present invention provides an optical modulation element module capable of stably operating for long periods without limiting the operating conditions. An optical modulation element module comprising an optical modulation element 12, a case 11 with said optical modulation element being integrated thereto, input output fibers 13, 14 being connected...

20060028712 - System, method and computer program product for modeling edfa: A system, method and computer program product for determining excited state absorption (ESA) dependent parameters (gain and noise figure) of an EDF and an EDFA corresponding to a determined average inversion value of an EDF. Also, a system, method and computer program product for using an EDFA model that incorporates...

20060028713 - Optical imager for the 3-5 micron spectral band: An optical imager for use in the 3-5 micron spectral band. The imager comprises a large aperture positively-powered first objective lens made of a first material for collecting collimated light, and a slightly negatively-powered second objective lens made of a second material spaced behind the first objective lens to provide...

20060028714 - Method of minimizing absorption of visible light in infrared dyes: The present invention provides a method of minimizing absorption of visible light in an IR-absorbing dye comprising reducing intermolecular interactions between adjacent dye molecules. The method is particularly suitable for use in connection with netpage and Hyperlabel systems....

20060028715 - Catadioptric projection optical system, exposure apparatus having the same, device fabrication method: A catadioptric projection optical system for forming an intermediate image of a first object twice and for forming an image of the intermediate image onto a second object, said catadioptric projection optical system comprising, in order from the first object side and along an optical axis of said catadioptric projection...

20060028716 - Corrected microscope and method for correcting the xyz drift caused by temperature change: The present invention discloses a microscope (2) having a stand (12) and a microscope stage (18) which is arranged on the stand (12) and which can be adjusted by at least one motor in all three spatial directions. As least one temperature sensor (30) and a command/control unit (10) are...

20060028717 - Network memory microscope: A microscope (10) with the circuitry (40) and internal memory (46) for recording and storing magnified images for later retrieval and viewing. The microscope includes a stand (12), a stage (20) supported by the stand for holding a specimen to be viewed, a lens assembly (30, 34) for providing a...

20060028718 - Illuminating device and optical object-analyzing device: Disclosed is an illuminating device (10) comprising a light source (12), optical components (16, 18, 20) that define a plurality of light paths (14) originating from the light source, a light-conditioning array (22) on at least one of said light paths, a least one light output (34) to which an...

20060028719 - Medical binocular stereomicroscope: The microscope A includes the illumination system 2 comprised of the illumination unit 6 with the condensing lens 6d attached at a front tip of the illumination unit, disposes the illumination system retaining member 7 in close proximity to the two observation optical systems structured at the body tube 3,...

20060028720 - Telescope system and method: A system and method for viewing and tracking astronomical objects using a telescope located on a balcony or deck-like structure. A telescope system comprising a portable computer controlled telescope, a video imaging camera attached to the telescope, and a monitor connected to the video camera. The telescope with the video...

20060028721 - Dynamic projection screen: An enhanced-contrast projection screen and method of controlling such screens are disclosed. An embodiment of a dynamic projection screen includes a passive layer and at least one active layer. The active layer is superimposed on at least a portion of the passive layer and is adapted to selectively toggle between...

20060028722 - Rear projection screen: Proposed herein is a rear projection screen for use with a single-light-source projector, causing no loss of imaging light and being highly uniform in screen brightness. The rear projection screen is a combination of two or more optical members for transmitting, diffusing, or condensing light, in the form of sheets...

20060028723 - Method and structure of a polarizer with uniform property of optics: A method and structure of a polarizer with the uniform properties of optics is provided in the present invention that forms a diffusing adhesive layer above the polarizer layer. By having a different refraction coefficient in a plurality of nano particles and a resin so the incident light is uniformly...

20060028724 - Polarization recovery system for projection displays: A waveguide polarization recovery system both polarizes the input light energy for use with an LCD imager and converts the polarity of unusable light energy to add to the illumination of the LCD imager. The compact polarization recovery waveguide system generally includes: (1) an input waveguide that provides non-polarized light...

20060028725 - Intrinsic polarizer and method of manufacturing an intrinsic polarizer: An improved method of forming an intrinsic polarizer, referred to as a K-type polarizer, includes stretching a polymeric film a first stretching step. The polymeric film comprises a hydroxylated linear polymer which is converted after the first stretching step to form dichroic, copolymer polyvinylene blocks aligned in the polymeric film....

20060028726 - Polarization beam splitter and projection apparatus having the same: The present invention provides a polarization beam splitter including a multilayer film formed by laminating a first layer having a refractive index in a first range, a second layer having a refractive index in a second range which does not overlap the first range, and a third layer having a...

20060028727 - Method and apparatus for drug product tracking using encoded optical identification elements: A method and apparatus for drug product tracking (or other pharmaceutical, health care or cosmetics products, and/or the packages or containers they are supplied with) using diffraction grating-based encoded optical identification elements 8 includes an optical substrate 10 having at least one diffraction grating 12 disposed therein. The grating 12...

20060028728 - Fresnel zone plate based on elastic materials: A dynamically variable, amplitude grating based diffractive optic including: a substantially transmissive, elastic substrate; a substantially opaque, elastic material formed in a predetermined pattern on the first surface of the elastic substrate; and a substrate mount coupled to the elastic substrate to hold it under tension. The predetermined pattern of...

20060028729 - Dichroic mirror, fluorescence filter set, and fluoroscopy apparatus: The invention provides a dichroic mirror having a transmission characteristic in which a step due to splitting of P-polarized and S-polarized light can be reduced and having a fluorescence-transmitting band extending to long wavelengths. The invention also provides a fluorescence filter set that can be constructed of environmentally conscious glass...

20060028730 - Electrochromic mirrors and devices: An electrochromic rearview mirror element for a motor vehicle comprises a first substantially transparent front substrate having a first and a second surface (and with a substantially transparent conductive electrode on its second surface) and a rear substrate having a third and a fourth surface. The rear substrate is positioned...

20060028731 - Vehicular vision system: A vehicular vision system comprises a photosensor array comprising a plurality of photosensor elements arranged in a predefined arrangement. The photosensor array has a field of view forward of the vehicle that is generally in line with the vehicle's primary direction of forward travel. The photosensor array captures an image...

20060028732 - Lenslet array for beam homogenization: Apparatus for homogenizing a laser beam includes a lenslet array. In some embodiments, the lenslets have a negative power. The lenslet array may include from 16 to 36 effective lenslets in some embodiments, or any other suitable number in alternative embodiments. Some embodiments additionally include a re-focusing lens for directing...

20060028733 - Display apparatus for vehicle: A plate-shaped display device is partitioned into a meter display area and a HUD display area. Images displayed on the display device are visible on both front and rear surfaces of the display device. A direct image displayed on the meter display area is projected toward an eye range of...

20060028734 - Zoom lens: A zoom lens comprising, from the object side to the image side, a front lens group (72), a controllable lens group, and a rear lens group (74), the controllable lens group comprising a voltage-controlled electrowetting device, which device contains a first fluid (A) and a second fluid (B) having different...

20060028735 - Real-time wide-angle image correction system and method for computer image viewing: The present invention includes a real-time wide-angle image correction system and a method for alleviating distortion and perception problems in images captured by wide-angle cameras. In general, the real-time wide-angle image correction method generates warp table from pixel coordinates of a wide-angle image and applies the warp table to the...

20060028736 - Imaging optical system: The invention has now found out why ghost light occurs in an imaging optical system using a decentered reflecting prism for the purpose of reducing ghost light. The invention provides an imaging optical system comprising at least one decentered prism 10 having a rotationally asymmetric reflecting surface, at least located...

20060028738 - Foldable projection lenses: Projection lenses for use with pixelized panels (PP) are provided. The projection lenses have a first unit (U1) separated from a positive second unit (U2) by a distance sufficient to accept a reflective surface (RS) for folding the lens' optical axis. The lenses are telecentric on the short conjugate side,...

20060028739 - Projection lenses having color-correcting rear lens units: Projection lenses for use with pixelized panels (PP) are provided. The projection lenses have a first unit (U1) separated from a positive second unit (U2). The lenses are telecentric on the short conjugate side, have a large field of view in the direction of the long conjugate, have low aberration...

20060028737 - Windowed optical system having a tilted optical element to correct aberrations: A system comprises a dome window and an optical system having a central optical path that passes through the dome window. The optical system includes a refractive optical element having an axis of symmetry which passes through the optical element and which is tilted relative to the central optical path...

20060028740 - Imaging lens: The present invention includes, from an object side to an image-plane side: an aperture stop with a predetermined diameter, a first lens with a positive refractive power having a convex surface on the object side, a second lens with a positive refractive power having a concave surface on the object...

20060028741 - Projection lenses having color-correcting rear lens units: Projection lenses for use with pixelized panels (PP) are provided. The projection lenses have a first unit (U1) separated from a positive second unit (U2). The lenses are telecentric on the short conjugate side, have a large field of view in the direction of the long conjugate, have low aberration...

20060028742 - Optical lens adjusting device and adjusting method thereof: When a voltage is applied between outside electrodes and a common electrode that constitute driving parts of a driving unit provided between a holder holding a lens and a lens barrel, as shown in FIG. 9, respective dielectric elastomers provided in the driving parts are slightly deformed in a direction...

20060028743 - Actuator, optical apparatus using actuator, and method of manufacturing actuator: An actuator includes a holder having a movement hole, a lens barrel which moves within the movement hole, and driving means for driving the lens barrel. Each of the driving means is provided with driving members composed of an artificial muscle. The lens barrel can be suitably moved within the...

20060028744 - Supplemental convex mirror situated inside a vehicle: A supplemental convex mirror situated inside a vehicle consists of a convex mirror enclosed within a frame, which is adjustable so that the optimal orientation can be achieved for whoever is driving the vehicle regardless of height. The mirror is situated inside the vehicle next to the exterior mirror where...

20060028745 - Mirror and angle detection device: Disclosed is a mirror that has a mirror surface of which orientation is variable, and that can be miniaturized at a low cost. The mirror includes an actuator for changing the orientation of the mirror surface by swiveling the mirror surface around axes parallel to the mirror surface, an interlocking...

20060028746 - Color wheel with segment fixing mechanisms, and manufacturing method of same: A color wheel comprises sectorial color filter segments and a support member. Protrusions are disposed at the support member and engaged with either through-holes or cavities as segment fixing mechanisms formed at the color filter segments, whereby the color filter segments are fixedly positioned with respect to the support member...

20060023277 - Optical systems including wavefront correcting optical surfaces: The present invention relates to optical systems, beam expanding assemblies, line narrowing modules, and lasers having refractive optical elements with wavefront correcting optical surfaces. The present invention enables the skilled artisan to provide optical systems, beam expanding assemblies, line narrowing modules, and lasers having improved optical properties, such as, in...

20060023280 - Optical processor: Method and apparatus are disclosed for optical packet decoding, waveform generation and wavelength multiplexing/demultiplexing using a programmed holographic structure. A configurable programmed holographic structure is disclosed. A configurable programmed holographic structure may be dynamically re-configured through the application of control mechanisms which alter operative holographic structures....

20060023279 - Recording medium and hologram reader: A recording medium including a storage part to hold a medium identifier intrinsic to each recording medium, and a hologram generated using a reference beam modulated with the medium identifier. Preferably, the hologram is fixed on a surface of the recording medium....

20060023278 - Variable hologram element, and optical device using the same: The invention relates to an optical element with variable optical properties, which ensures that the amount of light available is increased, and an optical device using the same. In a liquid crystal variable hologram element 3, polymer layers 18 and liquid crystal layers 19 are alternately arranged between transparent substrates...

20060023281 - Polygon mirror and polygon mirror molding die: A polygon mirror includes a reflective surface group having n number of reflective surfaces (M(1), . . . , M(n)) formed individually as outer peripheral side faces, a flat portion which shuts one end portion of the reflective surface group, and n number of pin gate traces (L(1), . ....

20060023282 - Scanning lens unit and optical scanning apparatus including the same: The scanning lens unit includes lenses located between a optical deflector and a lens having a k-th lens surface Sk from a first lens surface S1 closest to the deflector are disposed such that a height of a lens having the lens surface Sk denoted by πk satisfies the predetermined...

20060023283 - Light scanning device: A first fθ lens is arranged to form an inclination angle α1 to a main scanning plane. A second fθ lens is arranged to form an inclination angle α2. In order to determine the inclination angles α1 and α2, curvature amounts of scanning lines generated on a scanned surface are...

20060023284 - Optical scanner and laser image projector using the same: Provided are an optical scanner including a micro-mirror having an improved a driving angle by using a micro-electro-mechanical system (MEMS) technique and a laser image projector using the same are provided. The optical scanner includes: a substrate; a mirror unit suspended over the substrate and spaced apart from the substrate...

20060023285 - Pixel differential polygon scanning projector: An image projection system uses multiple light sources to produce light beams reflected by a rotating multilateral drum. Each side mirror on the drum is tilted by a radial angle with respect to adjacent mirrors, and the reflected light beam of each side mirror forms one horizontal scan line. The...

20060023287 - Light modulator with a light-absorbing layer: A spatial light modulator includes a first region and a second region. A light-absorbing layer contacts at least a portion of the second region. The light absorbing layer includes a first layer and a second layer, the second layer having a reflectivity less than about 75%....

20060023286 - Method and apparatus for a reflective spatial light modulator with a flexible pedestal: An electromechanical system comprising a substrate including a surface region and a flexible member coupled at a first end to the surface region. The system further comprises a base region within a first portion of the flexible member and a tip region within a second portion of the flexible member....

20060023288 - Low bias drift modulator with buffer layer: The invention relates to an electro-optic modulator structure containing an additional set of bias electrodes buried within the device for applying bias to set the operating point. Thus the RF electrodes used to modulate incoming optical signals can be operated with zero DC bias, reducing electrode corrosion by galvanic and...

20060023289 - Device having reflective and transmissive properties: A device which simultaneously maximizes light reflectivity from one side of the device while maximizing light transmissivity from the opposite side of the device. The device is configured with distinct regions of transparency and reflectivity including a plurality of reflective structures. The structures are generally smaller towards a light transmitting...

20060023290 - Tristate electrochromic device: An electrochromic medium for use in a tristate electrochromic device, comprising: (a) at least one solvent; (b) at least one anodic material; (c) at least one cathodic material, wherein both of the anodic and cathodic materials are electroactive and at least one of the anodic and cathodic materials is electrochromic;...

20060023291 - Optical module: There is provided an optical module for output light produced by diffracting incident light inputted from the outside, having an acoustooptic device for emitting the diffracted light produced by diffracting the incident light at a different outgoing angle corresponding to wavelength of the incident light and a first correcting prism...

20060023292 - Method of making dynamic image for an article and article thereof: A method for making a dynamic graphic for application to an article, comprising the steps of selecting a graphic, separating the graphic into a constant image and a latent image, the constant and latent images being subject matter related, the constant image having at least one color, and the latent...

20060023293 - Mems mirror with drive rotation amplification of mirror rotation angle: A micro-electro-mechanical system (MEMS) mirror device includes a mirror coupled to a rotating frame by a first torsional hinge along a rotational axis. The rotating frame has a body that defines a frame opening, and a group of rotational teeth extending from the body. A first bonding pad is located...

20060023295 - Mems mirror with drive rotation amplification of mirror rotation angle: A micro-electro-mechanical system (MEMS) mirror device includes a mirror coupled to an actuator by a first torsional hinge along a rotational axis. The actuator has a body and a group of rotational teeth extending from the body. An anchor is coupled another end of the actuator by a second torsional...

20060023294 - Reflective spatial light modulator: A micro-mirror array that is useful, for example, in a reflective spatial light modulator. In one embodiment, the micro mirror array includes spacer support walls, a vertical torsion hinge, and a mirror plate, all being fabricated from a single wafer. The micro-mirror array has a large fill ratio....

20060023296 - Electro-optic displays: An electrophoretic display comprises an electrophoretic medium having a plurality of charged particles suspended in a suspending fluid, and two electrodes disposed on opposed sides of the electrophoretic medium. At least one of the electrodes is light-transmissive and forming a viewing surface. The display has a closed optical state in...

20060023297 - Transient control in optical transmission systems: In an optical transmission system, operations of certain elements are adjusted in an individualized manner after detecting a change in the total optical power level corresponding to multiple optical channels in a link of the system in order to control transients in those channels. For example, in response to a...

20060023298 - Amplification method and optical amplifier for wavelength division multiplexed signal light: In an optical amplifier of the invention, a WDM signal light is separated into N components by a demultiplexer after which each component is amplified by N optical amplifier sections, and the output light level of each optical amplifier section is controlled to a constant level by respective control circuits...

20060023299 - Biological sample observation system and biological sample observation method: A biological sample observation system wherein the fluorescence intensity of living cells and the like can be measured accurately in real time, and damage to the living cells can be reduced, and a biological sample observation method using the system are provided. A biological sample observation system for observing change...

20060023300 - Device for optically viewing a stereoscopic observation beam path: The invention concerns an apparatus for reflecting at least one stereoscopic observation beam path out of a main observation beam path of a microscope, for example a surgical stereomicroscope, having a zoom (6) whose axis is arranged at an angle to the optical axis (4) of the main objective (2),...

20060023301 - Condenser arrangement for brightfield illumination and/or darkfield illumination for optical microscopes: A condenser arrangement for brightfield illumination and/or darkfield illumination for optical microscopes comprises in a housing basic optics having at least one lens, at least one front optics which can be inserted into the illumination beam path in front of the basic optics, and means for inserting the front optics...

20060023302 - Two-stage variable power binoculars: The two-stage variable power binoculars are configured so that, in right and left body tubes focus lenses are movably provided in the direction of optical axis, movable frames are movably provided in a direction so as to intersect with the optical axis, magnification switch lenses are respectively provided in the...

20060023303 - Real-image finder optical system: A real-image finder optical system includes a positive objective optical system, an erecting optical system, and a positive eyepiece optical system, thereby an object image, which is formed by the objective optical system, and is upside down and reversed from left to right, is reinverted by the erecting optical system...

20060023304 - Projection system: A projection system for image reproduction by means of at least one lamp (10) as well as a sensor (30) for generating a sensor signal for monitoring changes in the luminous flux generated by said at least one lamp (10) and for compensating these changes through a suitable control of...

20060023305 - Lenticular lens sheet and projection screen: p

20060023306 - Rear projection screen: Proposed herein is a rear projection screen for use with a single-light-source projector, having no loss of imaging light and scarcely causing glaring. The rear projection screen is a combination of two or more optical members in the form of sheets or windable films, capable of transmitting, diffusing, or condensing...

20060023307 - Illumination apparatus with polarizing elements for beam shaping: Illumination apparatus for forming an output beam, the apparatus comprising: (a) a light source adapted to emit a source beam of linearly-polarized light in a downstream direction along an optical axis, said source beam having a polarization direction transverse to said optical axis; and (b) a fixed birefringent plate having...

20060023308 - Infrared polarization rotation element: A polarization rotation element is provided. In one embodiment, the polarization rotation element includes a first polarizing member having a first surface and a second surface, the first surface configured to internally reflect input light to the second surface, the second surface configured to internally reflect light from the first...

20060023309 - Projection aligner, aberration estimating mask pattern, aberration quantity estimating method, aberration eliminating filter and semiconductor manufacturing method: A projection aligner of the present invention, in which ultraviolet light emitted from a lamp housing is split by a fly-eye lens into a large number of point light sources which are independent of one another. Further, in this projection aligner, the light is shaped by an aperture, so that...

20060023310 - Optical identification element using separate or partially overlapped diffraction gratings: An optical identification element 8 includes an optical substrate 10 having at least one diffraction grating 12 disposed therein. The grating 12 has a one or more of collocated pitches Λ which represent a unique identification N bit digital code that is detected when illuminated by incident light 24. The...

20060023311 - Method for obtaining a thin, stabilized fluorine-doped silica layer, resulting thin layer, and use thereof in ophthalmic optics: The method according to the invention comprises forming on a SiOxFy layer a silica SiO2 and/or metal oxide protective layer obtained through ion beam-assisted vapor phase deposition, comprising bombarding the layer being formed with a beam of positive ions formed from a rare gas, oxygen or a mixture of two...

20060023312 - Ellipsoidal gapless microlens array and method of fabrication: Ellipse-shaped microlenses focus light onto unbalanced photosensitive areas, increase area coverage for a gapless layout of microlenses, and allow pair-wise or other individual shifts of the microlenses to account for asymmetrical pixels and pixel layout architectures. The microlenses may be fabricated in sets, with one set oriented differently from another...

20060023313 - Image sensor with enlarged outward appearance of microlens and method for fabricating the same: An image sensor with an enlarged outward appearance of a microlens and a method for fabricating the same are provided. The image sensor includes: a plurality of microlenses formed on a semiconductor substrate with a certain spacing distance; and a protection layer formed over the microlenses, wherein the protection layer...

20060023314 - Controlling lens shape in a microlens array: A semi-conductor based imager includes a microlens array having microlenses with modified focal characteristics. The microlenses are made of a microlens material, the melting properties of which are selectively modified to obtain different shapes after a reflow process. Selected microlenses, or portions of each microlens, are modified, by exposure to...

20060023315 - Automobile windshield for hud system: A simple reflecting layered structure is disclosed that is attached to, or incorporated into, an automobile windshield that allows a head-up-display (HUD) to be viewed through anti-glare, p-polarized sunglasses without double imaging and without substantial net alteration of the polarization state of light. The invention relies on the negligible reflection...

20060023317 - Zoom lens system and image pickup apparatus using the same: A zoom lens system comprising a multiple of lens units with various positive and negative powers that can, in at least one exemplary embodiment, be used to reduce ghost light....

20060023316 - Zoom lens system and image-taking apparatus having the same: A zoom lens system includes plural optical units each of which includes plural optical elements each having a rotationally asymmetrical surface, and changes optical power as the optical elements in each of the plural optical units move in directions different from an optical axis, wherein the plural optical units have...

20060023318 - Zoom lens system and image-taking apparatus having the same: A zoom lens system includes plural optical units each of which includes plural optical elements each having a rotationally asymmetrical surface, and changes optical power as the optical elements in each of the plural optical units move in directions different from an optical axis, wherein a principal point position moves...

20060023319 - Image forming device: z

20060023320 - Zoom lens, video enlarging/projecting system, video projector, rear projector, and multivision system: The present invention includes three or more lens groups. These are arranged in the order of a first lens group (11) that has positive refractive power and a second lens group (12) that has negative refractive power, as seen from the side having the longer conjugate distance, wherein a first...

20060023321 - Lens barrel having cam-cylinder with cam-groove and varying thickness, lens barrel having guide-clyinder with varying wall thickness, and lens barrel having the cam-cylinder and the guide-cylinder: A lens barrel includes a lens-holding cylinder which supports a lens and is provided with a cam-follower and a rectilinear key; a cam-cylinder having a cam-groove which engages with the cam-follower so as to apply a driving force to the lens-holding cylinder in the optical-axis direction; and a guide cylinder...

20060023322 - Lens structures, goggles employing same, methods of forming same, and machine programmed for forming same: Lens structures are disclosed. The lens structures include a first lens spaced apart from a second lens and a spacer disposed therebetween comprising an extruded adhesive. Goggles utilizing the lens structures are disclosed. Methods of forming lens structures and goggles are also disclosed. The methods of forming the lens structures...

20060023323 - Curved rearview system for vehicles: The curved rearview mirror system for vehicles allows a driver to see the entire area of a driver's blind spot from looking into any one of three mirrors without giving the driver an overly distorted view. The mirror system includes a central rearview mirror with a central planar section and...

20060023324 - Image observation apparatus: An image observation apparatus comprising an image display unit for displaying an observation image and a supporting mechanism for supporting the image display unit movably and adjustably in the directions of three, substantially perpendicular axes. Since the supporting mechanism of this image observation apparatus can move and adjust the image...

20060023325 - Ray path adjustment structure for optical module: A ray path adjustment structure of an optical module includes ray path adjusting components. The ray path adjusting components is mounted in a ray path of the optical module for adjusting the ray path and making an incident light to be the angle which is perpendicular to lens of the...

20060023326 - Mirror device for vehicle: A mirror device has a hollow shaft 3 that is provided in a mirror base fixed to a vehicle body, a housing 5 which houses a motor 6 for swinging a mirror unit between a use position and a fold position and is turnably supported by the shaft 3 penetrating...

20060023327 - Thermal control interface coatings and pigments: The invention provides an optical structure with low chroma and brightness in the visible region and low emissivity in the infrared region. The optical structure includes an interference structure having an infrared reflective layer and an infrared absorbing thin film layer. These layers are in turn separated by a thin...