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Optical: systems and elements November recently filed with US Patent Office 11/09

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
11/26/2009 > 43 patent applications in 39 patent subcategories.

20090290202 - Hologram recording medium and hologram recording/reproduction device: A hologram recording medium has a substrate and a hologram recording layer into or from which information is recorded or reproduced by a hologram, and a concavo-convex pattern having a reflection layer that transmits hologram recording/reproducing light and reflects light having a longer wavelength than the hologram recording/reproducing light is... Agent: Wenderoth, Lind & Ponack L.L.P.

20090290203 - Method and device for computing computer-generated video holograms: The data defining an object to be holographically reconstructed is first arranged into a number of virtual section layers, each layer defining a two-dimensional object data sets, such that a video hologram data set can be calculated from some or all of these two-dimensional object data sets. The first step... Agent: Saul Ewing LLP (philadelphia)

20090290204 - Optical scanning actuator: An optical scanning actuator includes a fixed member having a light source, a movable member having an optical element that deflects light emitted from the light source and caused to vibrate by a driving unit in a direction perpendicular to an optical axis of the optical element, and a joint... Agent: Edwards Angell Palmer & Dodge LLP

20090290205 - Optical scanning device and image forming apparatus using the same: An optical deflector of the present invention includes a movable mirror and torsion bars supporting the mirror and formed integrally with the mirror. The mirror reciprocatingly vibrates to reflect a light beam to thereby deflect it. The mirror is curved in the form of an arch in a section including... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090290206 - Optical waveguide device: The present optical waveguide device, which improves the optical phase rotation efficiency with respect to activation voltage, includes: a substrate having electro-optic effects; a Mach-Zehnder optical waveguide formed on the substrate; and a signal electrode. The signal electrode is formed in an integrated manner such that an electric signal for... Agent: Staas & Halsey LLP

20090290207 - Method and apparatus for switching optical filters: The disclosure relates to a method and apparatus for providing switching optical filter. The switching optical filter provides several functionalities at the same time. For example, the filter can be used to remove photons of undesirable wavelength, such as ultraviolet or infrared, while simultaneously switching from and between one mode... Agent: Snell & Wilmer LLP (oc)

20090290208 - Particle for display medium and information display panel utilizing the same: The present invention provides particles for display media constituting the display media used for an information display panel, in which the display media are sealed between two substrates, at least one of two substrates being transparent, and, in which the display media, to which an electrostatic field is applied, are... Agent: Sughrue Mion, PLLC

20090290209 - Laser microscope: It is an object to perform high-precision observation by compensating group-velocity-delay dispersion and angular dispersion with a simple structure. The invention provides a laser microscope 1 including a light source; an acousto-optic deflector 7 that deflects ultrashort-pulse laser light L emitted from the light source; an angular-dispersion element 8, disposed... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090290210 - Display using light guide and refractive index control: Some embodiments provide a device including a first material associated with a controllable refractive index, a second material associated with a first refractive index, and a third material disposed between the first material and the second material, the third material being substantially transparent to a plurality of visible light wavelengths... Agent: Buckley, Maschoff & Talwalkar LLC

20090290211 - Device for modifying the wavelength range of a spectrum of light: The present invention relates to a device for modifying, e.g. narrowing the wavelength range of a spectrum of light.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090290212 - Free-space optical module for optical amplification: An integrated optical-amplification module includes a housing member, a first input optical terminal configured to receive an optical signal, a second input, optical terminal that can receive a pump light, and an output optical terminal that can output a combined optical signal comprising at least a portion of the optical... Agent: Xin Wen

20090290213 - Faraday rotator, opto-isolator, and laser processing apparatus: A Faraday rotator 3 of an opto-isolator 11 in a laser processing apparatus 1 includes a crystal cylinder 6 that causes the Faraday effect, an enclosing tube 7, cooling tubes 8, and a magnet 9. The enclosing tube 7 encases the crystal cylinder 6. The cooling tubes 8 are sandwiched... Agent: Quinn Emanuel Urquhart Olive & Hedges, LLP. Koda/androlia

20090290214 - Dichroic dye for polarization film, composition comprising the same for polarization film, method for forming polarization plate and polarization plate prepared thereby: Disclosed are a new dichroic dye having liquid crystal properties and dichroic properties and capable of being used for forming a polarization film with excellent heat resistance, durability, and polarizing properties, a composition including the same for a polarization film, a method for forming a polarization plate with excellent durability... Agent: Mckenna Long & Aldridge LLP

20090290215 - Iodine-type polarizer, polarizing place and method for producing thereof: There is provided a method for producing a polarizer having improved cross transmittance. The method for producing a polarizer includes: dyeing a polyvinyl alcohol (PVA)-based film with molecular iodine by immersing the PVA-based film in an aqueous iodine solution (a dyeing step); absorbing the molecular iodine into the PVA-based film... Agent: Mckenna Long & Aldridge LLP

20090290216 - Zoom lens and image pickup apparatus having the same: A zoom lens includes a first, third and fourth lens group of positive refracting power, a second lens group of negative refracting power, wherein, during zooming from a wide-angle end to a telephoto end, at least the first lens group moves, wherein the third lens group includes, a first lens... Agent: Canon U.s.a. Inc. Intellectual Property Division

20090290217 - Three-dimensional diffractive structure, method for making, and applications thereof: Three-dimensional grating device includes two (crossed) diffraction gratings, exhibits diffraction efficiency substantially independent of the incident polarization inside an optical communication spectral window from 1.5-1.6 μm. The gratings are characterized by different periods in two directions, chosen to support only one dispersive diffraction order in addition to the zero- (specular)... Agent: Bond, Schoeneck & King, PLLC

20090290218 - Transreflectors, transreflector systems and displays and methods of making transreflectors: Optical member includes at least two layers of different indices of refraction. At least one of the layers has optical deformities at an interface between at least the two layers.... Agent: Renner Otto Boisselle & Sklar, LLP

20090290219 - Reflection reducing film, optical member and optical system: A reflection reducing film is provided on a surface of an optical substrate, and is sequentially provided with a buffer layer and a reflection reducing layer. The reflection reducing layer includes first to eighth layers sequentially laminated from the side of the buffer layer. The first and sixth layers are... Agent: Birch Stewart Kolasch & Birch

20090290220 - Anti-glare film, method for manufacturing, the same, and display device using the same: An anti-glare film has a plurality of diffuser elements, and has specified optical properties. The ratio of I(α+1)/I(α) is more than 0.1 to 0.6, where I(α) is an intensity of a light reflected toward an arbitrary angle α of 10° or less from a specular reflection direction of an incident... Agent: K&l Gates LLP

20090290221 - Multilayer element comprising microlenses: Described is a multilayer body for representing microimages provided with gray value gradations or color gradations. The multilayer body has a transparent first layer in which a plurality of microlenses are shaped, and a second layer (61) which is arranged beneath the first layer and has a plurality of microimages.... Agent: Hoffmann & Baron, LLP

20090290222 - Image observation apparatus and image observation system: The image observation apparatus includes a first image-forming element and a second image-forming element each of which forms an original image, and an optical system configured to introduce light fluxes from the first and second image-forming elements to an exit pupil position of the optical system where an eye of... Agent: Canon U.s.a. Inc. Intellectual Property Division

20090290223 - Optical apparatus and optical transmission apparatus: An optical apparatus includes a collimation optical member for collimating and outputting input light, a condensing optical member for condensing light from the collimation optical member and a light blocking mask member provided at a place on an optical path of the input light for light blocking part of the... Agent: Staas & Halsey LLP

20090290224 - Viewing optical system and imaging apparatus using the same: The invention provides a viewing optical system positioned between a viewing plane as a virtual plane and an eye point. The viewing optical system comprises, in order from the viewing plane side, a first lens group including a positive lens or a negative lens, a second lens group including a... Agent: Kenyon & Kenyon LLP

20090290225 - Viewing optical system and imaging apparatus using the same: e

20090290226 - Viewing optical system and imaging apparatus using the same: The invention provides a viewing optical system positioned between a viewing plane as a virtual plane and an eye point. The viewing optical system comprises, in order from the viewing plane side, a first lens and a filter.... Agent: Kenyon & Kenyon LLP

20090290227 - Zoom lens and image pickup device: e

20090290228 - Zoom lens: A zoom lens includes, in order from an object side thereof: a first lens group with a positive refractive power; a second lens group with a negative refractive power; a third lens group with a positive refractive power; a fourth lens group with a negative refractive power; and a fifth... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090290229 - Zoom lens system and camera including the same: A zoom lens system includes, in order from the object side to the image side, four lens units having positive, negative, negative and positive refractive powers. A first lens unit includes, in order from the object side to the image side: a front subunit having a negative refractive power; a... Agent: Canon U.s.a. Inc. Intellectual Property Division

20090290230 - Zoom lens system and camera including the same: A zoom lens system includes four lens units each having positive, negative, negative and positive refractive powers in the stated order from an object side to an image side. A first lens unit includes a variable apex angle prism on the image side of at least one lens element. In... Agent: Canon U.s.a. Inc. Intellectual Property Division

20090290231 - Zoom lens and image pickup appartus: where f2 is a focal length of the second lens group, f2R is a combined focal length of the cemented lens including the third and fourth lenses of the second lens group, L2 is an overall length on an optical axis of the second lens group, and LT is an... Agent: Rader Fishman & Grauer PLLC

20090290232 - Zoom lens and image pickup apparatus including the same: A zoom lens includes 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, a fourth lens unit having a negative refractive power, and a fifth lens unit having a positive refractive power.... Agent: Canon U.s.a. Inc. Intellectual Property Division

20090290233 - Lens actuator: A lens actuator includes a lens barrel for accommodating the lens, a coil wrapped around the lens barrel, a plurality of magnets, a bracket for mounting the magnets thereon and accommodating the lens barrel therein, and a resilient plate connected between the bracket and the lens barrel to hold the... Agent: PCe Industry, Inc. Att. Steven Reiss

20090290234 - Image pickup lens, image pickup unit, and mobile terminal: An image pickup lens includes, in order from an object side thereof: a first lens in a meniscus shape having a positive refractive power and including a convex surface facing the object side; a second lens having a negative refractive power and including a concave surface facing an image side... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090290235 - Imaging lens: An imaging lens of which optical performance does not deteriorate even in a high temperature environment, various aberrations are well corrected, optical length is short, and back focus is sufficiently secured. This imaging lens comprises a first diaphragm S1, a first junction type compound lens 14, a second diaphragm S2... Agent: Venable LLP

20090290236 - Endoscope objective lens with large entrance pupil diameter and high numerical aperture: An endoscope objective lens for collecting combined bright field (white light) and fluorescence images includes a negative lens group, a stop, and a positive lens group. The lens has a combination of large entrance pupil diameter (≧0.4 mm) for efficiently collecting weak fluorescence light, large ratio between the entrance pupil... Agent: General Electric Company Global Research

20090290237 - Lens assembly and lens module incorporating the same: An exemplary lens assembly comprises a first lens and a second lens. The first lens includes a first central portion, a first peripheral portion surrounding the first central portion and a stepped portion. The stepped portion has a first step upwardly extending from the first peripheral portion and a second... Agent: PCe Industry, Inc. Att. Steven Reiss

20090290238 - Lens device for image magnification: The tube assembly includes a guide barrel, an outer tube, and a lens holder. The guide barrel is disposed on the control unit and confines a barrel hole that extends along a barrel axis. The outer tube includes a tube body that is rotatably sleeved on the guide barrel, and... Agent: Townsend And Townsend And Crew, LLP

20090290239 - Lens module: An exemplary lens module includes a barrel, a lens received in the barrel, and a ring-shaped fastening member. The barrel includes a supporting portion at a first end thereof and an internal thread formed at an opposite second end. The ring-shaped fastening member includes a side surface and an external... Agent: PCe Industry, Inc. Att. Steven Reiss

20090290240 - Lens module: A lens module includes a lens barrel, a first lens, a plurality of first electro-active polymer (EAP) units and a plurality of second EAP units. The first lens is suspended in the lens barrel by the plurality of first EAP units and second EAP units. The lens barrel receives a... Agent: PCe Industry, Inc. Att. Steven Reiss

20090290242 - Lens actuation device, optical system and camera: A lens actuation device for an optical system includes a housing, a carrier at least partially installed in the housing, and a plurality of transducers arranged around the carrier in the housing. All the transducers are coupled with the mount, and at least one transducer includes at least one magnet... Agent: Berkeley Law & Technology Group, LLP

20090290243 - Lens transfer device and camera module having the same: Provided is a lens transfer device including a housing; a coil that is installed on the circumference of the housing; a lens barrel that is installed inside the housing and has a lens group embedded therein; and an actuator that is installed in one side of a direction where the... Agent: Staas & Halsey LLP

20090290241 - Lens unit: A lens unit includes a moveable section and an elastic element. The moveable section includes a lens barrel, a lens received in the lens barrel and a magnet fixedly mounted around the lens barrel. The moveable section is configured to telescopically move along an optical axis direction of the lens.... Agent: PCe Industry, Inc. Att. Steven Reiss

20090290244 - Micromirror array lens with self-tilted micromirrors: A Micromirror Array Lens with self-tilted micromirrors comprising a plurality of self-tilted micromirrors and configured to form a designed optical surface profile by self-tilted micromirrors. Each self-tilted micromirror comprises a substrate, at least one stiction plate configured to be attracted to the substrate by adhesion force, a micromirror plate having... Agent: Stereo Display Inc.

11/19/2009 > 43 patent applications in 39 patent subcategories.

20090284813 - Authenticating medium and authenticatable substrate: The invention relates to an authenticating medium that comprises a hologram which is used for authentication or other purposes thereby making more complicated appearance and ease of authentication unnecessary. The medium comprises a cholesteric liquid crystal layer (3) on an upper or lower surface of a transparent substrate (2), a... Agent: Sughrue Mion, PLLC

20090284814 - Setup for storing data in a holographic storage medium and phase plate: The present invention relates to a setup for storing data in a holographic storage medium, said setup comprising a spatial light modulator (SLM) (18) and a phase plate (50), the spatial light modulator having a first pixel structure, the phase plate having a second pixel structure, and the first and... Agent: Philips Intellectual Property & Standards

20090284815 - Method for adjusting galvano scanner system: In a galvano scanner system (1), a light position detection unit (30) is mounted so as to match the scanning center of the workpiece surface (7), the light position detection unit being provided with a two-dimensional light position sensor (32) disposed in the center and four one-dimensional light position sensors... Agent: Buchanan, Ingersoll & Rooney PC

20090284816 - Induced resonance comb drive scanner: Briefly, in accordance with one or more embodiments, a MEMS based scanning platform is arranged to have increased efficiency by driving a first frame of the scanning platform directly by applying a drive voltage to a set of comb fingers disposed on the first frame to cause the first frame... Agent: Microvision, Inc.

20090284817 - Mirror assembly with recessed mirror: A mirror device and a method for manufacturing the mirror device are presented. The mirror device includes a mirror formed from a first substrate and a hinge/support structure formed from a second substrate. The hinge/support structure includes a recessed region and a torsional hinge region. The mirror is coupled to... Agent: Texas Instruments Incorporated

20090284819 - Mirror drive apparatus and imaging apparatus: a toggle mechanism provided on the other side of the pivotal axis and capable of switching the movable unit between the first attitude and the second attitude by urging the movable unit so that the movable unit takes the first or second attitude.... Agent: Rader Fishman & Grauer PLLC

20090284818 - Piezoelectric mirror device, optical device using the piezoelectric mirror device and method for manufacturing piezoelectric mirror device: A piezoelectric mirror device (11) comprises a frame portion (12) having a centrally located opening (13), a mirror portion (14) positioned at the opening (13), a pair of mirror support portions (15) adapted to support the mirror portion (14) rotatably relative the frame portion (12) and a pair of drive... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090284820 - Optical element and method of manufacturing the same: Ink having the optimum contact angle relative to a partition wall is selected for forming a pixel, based on the relationship with an inclination angle of the partition wall. The ink applied to the opening of the partition wall is dried to form the pixel such that an outer edge... Agent: Steptoe & Johnson LLP

20090284821 - Electrochemical system comprising at least one partial making up zone: k

20090284822 - Phase calibration method and device using the same and distance measuring equipment: The present invention provides a phase calibration method, device, and equipment. The method comprises the steps of: a first light beam emitter generating a first light-wave into a target object, the first light-wave being reflected at the target object and flying back onto a receiver, wherein the first light-wave, as... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20090284823 - Method of operating a micromechanical device that contains anti-stiction gas-phase lubricant: One embodiment of an micromechanical device includes a first contact surface, a moveable component having a second contact surface, and a coating of liquid or solid lubricant on at least one of the contact surfaces, where the second contact surface interacts with the first contact surface during device operation, and... Agent: Patterson & Sheridan, L.L.P.

20090284824 - Transflective electrowetting display device: A transflective display device has a viewing side (7) and a rear side (8) and comprises a plurality of electrowetting elements (2) having a first support plate (5) facing the viewing side and a second support plate (6) facing the rear side. Each electrowetting element comprises a space (10) between... Agent: Bainwood Huang & Associates LLC

20090284825 - Electrophoretic particles, method of preparing the same, and electrophoretic display using the same: Disclosed are electrophoretic particles, a method of preparing the same, and an electrophoretic display using the same. The electrophoretic particle includes a coating layer, which includes a co-polymer of styrene and heterocyclic compound, and a pigment surrounded by the coating layer. The method includes polymerizing styrene on a surface of... Agent: H.c. Park & Associates, PLC

20090284826 - Acousto-optic devices: An acousto-optic module is provided, including a number of partially coupled optical resonators distributed within a dielectric medium and at least one acoustic transducer mounted on a surface of the dielectric medium for injecting an acoustic wave into the optical resonators so as to diffract light passing therethrough by means... Agent: Kenyon & Kenyon LLP

20090284827 - Optical element: An optical element (120; 220; 320; 420) includes a fluid material (104; 204; 304; 404) which is held between a first surface (106; 206; 306; 406) and a second surface (108; 208; 308; 408) and has a refractive index which is variable in response to variation of an applied field.... Agent: Philips Intellectual Property & Standards

20090284828 - Optical comb frequency source: This invention relates to methods and apparatus for generating an optical frequency comb. In embodiments a passive mode locked optical waveguide comb uses electrical or optical tuning for the mode spacing frequency (df) and the carrier envelope offset frequency (fceo). We describe a passive mode locked optical comb frequency source... Agent: Wolf Greenfield & Sacks, P.C.

20090284829 - Plasmonic elements: A surface plasmon element comprising an array of metal nanoparticles (1) with an adsorbed layer of resonant material and the use of such material to activate said array.... Agent: Eastman Kodak Company Patent Legal Staff

20090284830 - Optical amplifying medium, method of manufacturing the optical amplifying medium, and optical device comprising the optical amplifying medium: An optical amplifying medium, a method of manufacturing the optical amplifying medium are provided, and an optical device comprising the optical amplifying medium. The optical amplifying medium includes a multi-layer structure in which a first material layer doped with an activator and a second material layer that comprises a sensitizer... Agent: Harness, Dickey & Pierce, P.L.C

20090284831 - Projection objective of a microlithographic projection exposure apparatus: A projection objective of a microlithographic projection exposure apparatus has a high index refractive optical element (L3) with an index of refraction greater than 1.6. This element (L3) has a volume and a material related optical property which varies over the volume. Variations of this optical property cause an aberration... Agent: Fish & Richardson PC

20090284832 - Night vision glasses: Image-intensifying glasses 100 are disclosed that are suitable for certain commercial and entertainment applications by virtue of their light weight, small size, and economical production, compared to certain other night vision products. In one disclosed embodiment, input light passes through two Amici prisms 144 and 148 and a field-flattening lens... Agent: Bingham Mchale LLP

20090284833 - Microscope illumination device: A microscope illumination device comprising: a light source; an objective for illuminating a specimen; a collector lens for converting light from the light source into parallel light; a fly-eye lens placed near to rear focal point of the collector lens; an epi-illumination projection lens for projecting light source images generated... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090284834 - Floor type electric projection screen: The present invention provides a floor type electric projection screen cooperatively used with a projector comprising a shell a projection, and a scroll. An end of the projection curtain is wound on the scroll, and the scroll is installed in the shell. A motor is defined in the projection screen.... Agent: Troxell Law Office, PLLC

20090284835 - Scanning microscopy using inhomogeneous polarization: Apparatus for imaging a surface, including an acousto-optic (AO) system. The AO system includes an AO element having a radiation input surface and a radiation output surface. The element is configured to receive radio-frequency (RF) pulses and a radiation input at the radiation input surface and to generate traveling beams... Agent: Applied Materials, Inc. C/o Sonnenschein Nath & Rosenthal LLP

20090284836 - Light control film with off-axis visible indicia: In one aspect, the invention provides a light control film having an indicium visible at a range of viewing angles. The light control film comprises a light input surface and a light output surface opposite the light input surface. The control film further comprises alternating transmissive and absorptive regions disposed... Agent: 3m Innovative Properties Company

20090284837 - Method and apparatus providing uniform separation of lens wafer and structure bonded thereto: Methods and apparatus providing a master wafer having standoffs to control a bondline thickness between one wafer produced indirectly from the master wafer and another wafer bonded to the produced wafer. Standoffs may be formed as a single standoff, standoff walls, or as a number of discrete standoffs. The standoffs... Agent: Dickstein Shapiro LLP

20090284838 - Illumination optical system and image projector using same: An illumination optical system has a condenser, a first lens array, a second lens array, and a polarized beam splitting surface. The condenser and the first and second lens arrays compress light incident on the condenser. The distance between a lens cell in the first lens array and a lens... Agent: Canon U.s.a. Inc. Intellectual Property Division

20090284839 - Optical device and crystallization device: An optical device comprises a first cylindrical lens array in which a plurality of first lens segments each having a first radius of curvature and a first width so as to divide laser light into a plurality of light components are arranged, and a plurality of second lens segments each... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090284840 - Process for making microlens arrays and masterforms: (b) imagewise exposing at least a portion of the composition to light sufficient to cause simultaneous absorption of at least two photons, thereby inducing at least one acid- or radical-initiated chemical reaction where the composition is exposed to the light, the imagewise exposing being carried out in a pattern that... Agent: 3m Innovative Properties Company

20090284841 - Microscope objctive: )

20090284842 - Zoom lens system:

20090284843 - Three unit zoom lens and image pickup apparatus equipped with same: A zoom lens includes, in order from the object side, a negative lens unit, a positive lens unit and a positive lens unit. During zooming from the object side, the second lens unit moves, the distance between the first lens unit and the second lens unit decreases, the distance between... Agent: Kenyon & Kenyon LLP

20090284844 - Position sensing device and lens driving module using the same: Provided is a position sensing device including a sensing unit that is mounted on one side of a lens barrel, which is inserted into a lens housing portion of a base so as to be vertically driven, and includes a light receiving section and a light emitting section which are... Agent: Staas & Halsey LLP

20090284845 - Lens driving-control device and imaging apparatus including the lens driving-control device: A lens driving-control device including a plurality of lens groups having variable magnification function, a plurality of lens driving devices each of which being configured to adjustably drive a driving speed of each of the plurality of lens groups, a control device configured to control each of the plurality of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090284846 - Imaging lens: l

20090284847 - Optical system and optical apparatus including optical system: An optical system includes a first optical element and a second optical element on at least one of an enlargement side and a reduction side relative to a point P at which a light axis and a paraxial chief ray intersect. Each of the first optical element and second optical... Agent: Canon U.s.a. Inc. Intellectual Property Division

20090284848 - Optical member and method for manufacturing the same: A method, for producing an optical member, includes attaching a holding member, which is used integrally with a lens, to the lens so that the holding member is brought into contact with a periphery of the lens to hold the lens, and then forming an optical thin film on a... Agent: Miles & Stockbridge PC

20090284849 - Arrangement for mounting an optical element: Arrangements for mounting an optical element, such as a lens or a mirror, are disclosed.... Agent: Fish & Richardson PC

20090284850 - Device and method for locking lens: A device and a method for locking lens in a lens holder are provided, wherein the lens is configured in a voice-coil motor (VCM) of a camera module of a cell phone and the VCM has a lens holder for a lens being fixed inside. The device includes a circumgyration... Agent: Haverstock & Owens LLP

20090284851 - Device and method for locking lens: A device for locking lens and a method for the same are provided. The device is used in a voice-coil motor of a photographing module of a cell phone. The voice-coil motor has a lens-stand for a lens being turned to a locking depth inside. The device includes a circumgyration-stop... Agent: Haverstock & Owens LLP

20090284852 - Lens drive mechanism and optical pickup having same: A lens drive mechanism includes a drive source; a lead screw that is connected to the drive source and rotated by operation of the drive source; a nut member that screws on the lead screw and moves as the lead screw rotates; a lens hold portion that is so disposed... Agent: Morgan Lewis & Bockius LLP

20090284854 - Lens actuator: A lens actuator includes a lens barrel for accommodating the lens, a coil wrapped around the lens barrel, at least one magnet, a bracket, and a resilient plate. The bracket is configured for mounting the magnets thereon and accommodating the lens barrel therein. The resilient plate is connected between the... Agent: PCe Industry, Inc. Att. Steven Reiss

20090284855 - Lens barrel driver: A switching gear 64 is provided that activates and deactivates the coupling between a zoom ring 18 rotatably disposed on a lens barrel 14 and a motor 50. The switching gear 64 moves to a motor driving position to activate the coupling between the zoom ring 18 and the motor... Agent: Birch Stewart Kolasch & Birch

20090284853 - Lens positioning assembly: A microscope objective lens positioning assembly comprises a lens mounting member to which a microscope objective lens defining an optical axis is mounted; a support member; and a pair of leaf springs. Each leaf spring has first and second ends, the first ends of the leaf springs being secured to... Agent: Sughrue Mion, PLLC

20090284856 - Optical pickup device, and optical disc device: A guide shaft and a guide portion movably guide a lens holder for holding a collimator lens (i.e. correction lens) in an optical axis direction. A stepping motor rotates a screw shaft arranged in parallel to the optical axis direction. A nut member converts a rotating movement of the screw... Agent: Wenderoth, Lind & Ponack L.L.P.

11/12/2009 > 43 patent applications in 39 patent subcategories.

20090279152 - Hologram recorder: A hologram recording apparatus includes an objective lens (7) for illuminating a hologram recording medium (B) with a recording beam (S) in a manner such that the recording beam overlaps a reference beam, thereby performing multiple recording of holograms at a portion illuminated with the reference beam and the recording... Agent: Greer, Burns & Crain

20090279153 - Hologram recording/reproducing device, hologram recording/reproducing method, and hologram recording medium: The hologram recording/reproducing apparatus is for recording a hologram by emitting a recording beam (S) modulated by a spatial light modulator and a reference beam (R) having a same wavelength as the recording beam onto a hologram recording medium (B) so that the beams overlap each other with polarization direction... Agent: Greer, Burns & Crain

20090279154 - Virtual image projector: Systems and methods are provided for projecting a virtual image of an object. A projector mounted on the object for projecting a light beam. A photographic plate is provided that includes an interference pattern imprinted onto at least one surface, wherein the interference pattern manipulates the light to form a... Agent: Tarolli, Sundheim, Covell & Tummino L.L.P.

20090279155 - Multiharmonic galvonometric scanning device: A scanning apparatus for a printer or similar instrument. A multiharmonic oscillator is used to provide a composite motion of a laser beam or other light beam to scan an imaging surface. The multiharmonic oscillator may have multiple sections each having a different resonant frequency. One section includes a reflector... Agent: Lexmark International, Inc. Intellectual Property Law Department

20090279156 - Mems scan controller with inherent frequency and method of control thereof: A MEMS scan controller with inherent frequency and a method of control thereof applied to controllers of a MEMS mirror of bidirectional scanning laser printers are disclosed. The amplitude of the MEMS mirror is adjusted by using the inherent frequency so that scan data string is sent within effective scanning... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20090279157 - Optical device, image reading apparatus and adjusting method for optical device: An optical device equipped with a mirror which reflects light, include a plurality of first receiving parts that touch one face of one of ends in a lengthwise direction of the mirror; a plurality of first pressing parts that touch a face opposing to the face to which the first... Agent: Young & Thompson

20090279158 - Fluid actuator for digitally controllable microfluidic display: Microfluidic pixels are utilized to produce large format displays (billboards) that are both digitally controllable and are light weight. Each pixel includes a wall having a front (display) surface, and a microfluidic system including a reservoir disposed behind the wall, a colorant fluid, a transparent display chamber disposed in front... Agent: Bever, Hoffman & Harms, LLP

20090279159 - Device for confocal illumination of a specimen: A device for confocal observation of a specimen, having a mask, which is located in the illumination beam path and the image beam path and is rotatable around a central axis, the mask being provided with openings for generating an illumination pattern moving on the specimen, an arrangement of a... Agent: Roberts Mlotkowski Safran & Cole, P.C. Intellectual Property Department

20090279160 - Amorphous polymers with pendant chromogenic groups: Amorphous polymers with chromogenic pendant groups are provided. The amorphous polymers can be used to make elastomeric films and coatings that can be incorporated into laminates and used to make articles such as architectural and vehicular glazing, and in applications such as eyewear, displays and signage.... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20090279161 - Active optical filter controlled by magnetic field: An active optical filter transmits or blocks light according to whether or not a magnetic field is applied, and functions as an optical filter transmitting light having a predetermined wavelength when light is transmitted according to a magnetic field. The active optical filter includes: an optical filter layer for transmitting... Agent: Robert E. Bushnell & Law Firm

20090279162 - Photonic mems and structures: An optical device includes a non-transparent substrate. The optical device further includes a first optical layer which is at least partially transmissive and at least partially reflective to incident light. The optical device further includes a second optical layer which is at least partially reflective to incident light. The second... Agent: Knobbe, Martens, Olson & Bear, LLP

20090279163 - Micromachine structure: A micro-mechanical structure according to the present invention includes: a base 1; an elastic supporting member 5 having elasticity, the elastic supporting member 5 being formed on the base 1; and a movable section supported by the elastic supporting member 5 so as to be capable of making a relative... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20090279164 - Bi-directional propagation optical signal regenerator and optical signal regenerating method utilizing optical nonlinear effect: An optical nonlinear medium 1, first and second optical circulators 2, 3 that are connected respectively to a front end and a rear end of the optical nonlinear medium, a first optical amplifier 4 that amplifies an inputted optical signal and causes it to enter the first optical circulator 2,... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20090279165 - Three-terminal optical signal amplifying device: In the three-terminal optical signal amplifying device 10, a portion of the neighboring light LS at other wavelength than that of the first wavelength λ1 that is selected from the output light from the element 14 by the optical add drop filter 16, and the control light LC at the... Agent: Oliff & Berridge, PLC

20090279166 - Multi-stage long-band optical amplifier with ase re-use: There is provided a long-band rare-earth-doped optical amplifier and method for amplifying an optical signal. The optical amplifier has a pre-, a mid- and a post-amplification stage. Only the mid-amplification stage is pumped with a pump light source. The other two are pumped using Amplified Spontaneous Emission (ASE) generated in... Agent: Ogilvy Renault LLP

20090279167 - Device for amplifying high-energy ultrashort light pulses: A device for amplifying high-energy ultrashort light pulses, includes a generator (1), a first amplifying/time-stretching element (2) including a time-stretching element (3), a regenerative amplifier (4), a multipass amplifier (5) and a compressor (6). The device further includes a second amplifying/time-stretching element (11), arranged at the output of the generator... Agent: Young & Thompson

20090279168 - Adhesive composition for optical filter, optical filter and display device: The object of the invention is to provide an adhesive composition attaining, in a single layer, both adhesiveness capable of direct attachment to a glass plate disposed on the front face of a display device and desired optical filter functions and hardly undergoing the change in spectral characteristics attributable to... Agent: Ladas & Parry LLP

20090279169 - Relating to scanning confocal microscopy: An assembly (100) and a method are provided for inputting a light beam into a light path extending from the confocal scanning head (102) to the microscope (104) of a scanning confocal microscope system to illuminate a selected region of a sample mounted in the microscope. The assembly comprises a... Agent: Barnes & Thornburg LLP

20090279170 - Surface film for polarizing sheet and polarizing sheet using same: Provided is a surface film for a polarizing plate in which transparent patterns having a non-visible light reflective regularity are printed on a surface of a substrate and in which a reflection preventive layer or an antiglare layer is formed thereon or on a back side thereof, wherein an ink... Agent: Smith Patent Office

20090279171 - Method and apparatus for providing an adjustable optical delay: An optical structure routes radiation from an optical input to an optical output, the radiation being successively reflected by orthogonal first, second and third reflective surfaces of a linearly movable section, and departing the section in a departure direction substantially opposite its arrival direction. The section can move approximately parallel... Agent: Haynes And Boone, LLPIPSection

20090279172 - Microelectromechanical lamellar grating: An optical instrument includes a grating. The grating includes a plurality of plates that form a single first plane. The instrument further includes a mirror surface positioned adjacent to the grating. The mirror surface is positioned in a second plane. In an embodiment, the mirror surface is made of a... Agent: Honeywell International Inc. Patent Services

20090279173 - Apparatus and methods for providing a static interferometric display device: Disclosed are apparatus and methods for fabricating a static interferometric display device. A plurality of sputtering modules is used to form static interferometric elements on a substrate. These elements each have a plurality of interferometric sub-elements that each has an interferometric stack. A first sub-element of each element is formed... Agent: Weaver Austin Villeneuve & Sampson LLP - Qual

20090279174 - Printable static interferometric images: Methods of fabricating a static interferometric image device and static interferometric image device formed by the same are disclosed. In one embodiment, a method includes providing a substrate. A plurality of liquid layers are formed over the substrate by an inkjet process such that the layers are lateral to one... Agent: Knobbe, Martens, Olson & Bear, LLP

20090279175 - Optical diffuser film with linear domains of varying diffusion: The present invention provides an optical diffuser film with linear domains of varying diffusion, the linear domains comprising light scattering particles located on at least one surface of the film, wherein the linear domains are tapered such that the thickness at a center of a cross section of the linear... Agent: Edwin Oh Rohm And Haas Electronic Materials LLC

20090279176 - Antiglare film and manufacturing method thereof: The invention provides an antiglare film. A resin layer is disposed on a substrate. Micro-aggregates are distributed in an interior and over a surface of the resin layer. Each of the micro aggregates has a size of 0.1-3 μm and is formed by aggregating aggregated nano-particles. The micro-aggregates distributing over... Agent: Lowe Hauptman Ham & Berner, LLP

20090279177 - Flat panel display apparatus: A flat panel display apparatus including a display unit, a cover covering the display unit, and a film disposed on the cover. The film has one or more protrusions, each having a reflective first surface and a transparent second surface. The first surface can include a coating. The second surface... Agent: Stein Mcewen, LLP

20090279178 - Scanhead for image illumination uniformity and method thereof: A scanhead of an imaging apparatus for providing image illumination uniformity for imaging of a media sheet, and a method thereof, are disclosed. The scanhead includes a lens, a lens shading plate and a sensor array. The lens is capable of receiving light reflected from the media sheet and focusing... Agent: Lexmark International, Inc. Intellectual Property Law Department

20090279179 - Deposition donor substrate and deposition method using the same: A lens array is formed on one surface of a deposition donor substrate and a light absorption layer is formed on the other surface; a material layer is formed in contact with the light absorption layer; the surface of the deposition donor substrate on which the material layer is formed... Agent: Fish & Richardson P.C.

20090279180 - High brightness optical device: There is provided an optical device, composed of a display source (4), an imaging optical module (8), a projection module (12) having a projection mechanism including an input aperture (10) and output aperture (14) defined by a surface area, and an exit pupil (16). The projection mechanism is non-uniform over... Agent: Snell & Wilmer LLP (oc)

20090279181 - Co-package dqpsk demodulator by michelson interferometer: An interferometer includes a means for splitting, at a splitting location, an input light beam into a first beam and a second beam; and means for recombining, at a recombination location, the first beam and the second beam. The interferometer is designed such that the first beam will travel a... Agent: John P. Wooldridge

20090279182 - Finder optical system and image pickup apparatus using the same:

20090279183 - Image forming optical system and electronic image pickup apparatus using image forming optical system:

20090279184 - Image forming optical system and electronic image pickup apparatus using image forming optical system:

20090279185 - Image forming optical system and electronic image pickup apparatus using image forming optical system:

20090279186 - Movable lens module and optical lens module: A movable lens module includes a plate type piezoelectric driving unit, a movable stage, a lens base and a lens group. The movable stage is in contact with the plate type piezoelectric driving unit, and is driven by the plate type piezoelectric driving unit to move. The lens base is... Agent: Jianq Chyun Intellectual Property Office

20090279187 - Optical zoom system with voice coil motors: An optical zoom system uses voice coil motors to drive zoom lens sets moving along an optical axis for the control of forming image and focusing. Voice coil motors of the system move respectively two zoom lens sets to the first position and the second position on the optical axis... Agent: Rosenberg, Klein & Lee

20090279188 - Imaging lens: An imaging lens of which optical performance does not deteriorate even in a high temperature environment, various aberrations are well corrected, optical length is short, and back focus is sufficiently secured, comprising an aperture stop S and a junction type compound lens 14 having a positive refractive power, wherein the... Agent: Venable LLP

20090279189 - Lens having extended depth of focus, method for designing the same, and optical system having the same: The lens includes a plurality of lens layers, each lens layer being axi-symmetric and having an extended depth of focus to focus light in a corresponding section of a focal curve in the form of a straight line located on an optical axis. In the optical system, light is focused... Agent: Harness, Dickey & Pierce, P.L.C

20090279190 - Moveable assembly, microactuator having same, and camera module including the microactuator: A moveable assembly includes a frame, resilient suspension arms made of carbon nanotube bundles, and a moveable member. The frame is disposed around the moveable member. Each of the resilient suspension arms includes a first end fixed to the frame, and a second end connected to the moveable member. The... Agent: PCe Industry, Inc. Att. Steven Reiss

20090279191 - Spacer and lens module having the same: A spacer includes an annular spacing portion defining a first surface and an opposite second surface, a flange defining a through opening; and a connecting portion connecting the flange to the spacing portion. The connecting portion defines a first inclined stopping surface and a second inclined stopping surface on opposite... Agent: PCe Industry, Inc. Att. Steven Reiss

20090279192 - Lens device and imaging device: It is intended to carry out a focusing operation suitably in each case of automatic focusing and manual focus adjustment. Therefore, in the present invention, there is provided a first focus ring 1 movable between a first position and a second position on an optical axis. Further, a first rotation-angle... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20090279193 - Method and apparatus for mounting sensors in frames: Cables and sensor lenses are routed through the frame to which they are to be mounted. At each location where a sensor is to be mounted, the remaining sensors are routed behind the mounting block at that location to continue on to other locations. Routing the sensors and cables through... Agent: Robert R. Waters, Esq. Waters Law Office, PLLC

20090279194 - Ultraviolet infrared filter: A two-dimensional wedge shaped UV and IR filter is formed by or substantially same size pieces of glass forming a two-dimensional wedge. The wedge reflects radiation in four different directions.... Agent: Law Office Of Scott C Harris Inc

20090279195 - Outer mirror: An object of the present invention is to provide an outer mirror which prevents the whistle noise without the rotation of the mirror assembly being prevented. In order to achieve the above object, an outer mirror which includes a mirror base provided on a vehicle body; a shaft portion fixed... Agent: Greenblum & Bernstein, P.L.C

20090279196 - Emergency vision apparatus: An emergency vision apparatus for providing an operator in a station visual access to information during a vision-obscuring emergency, comprises an expandable first enclosure filled with clear air, the first enclosure having front and rear transparent panels to allow an operator visual access through the first enclosure to a first... Agent: Shlesinger, Arkwright & Garvey LLP

11/05/2009 > 43 patent applications in 39 patent subcategories.

20090273820 - Plasmostor: a-metal-oxide-si field effect plasmonic modulator: The invention is a system and method for performing all-optical modulation. A semiconductor layer having a defined thickness has an insulator adjacent one surface of the semiconductor. Conductive layers are provided adjacent the semiconductor layer and the insulator. A photodetector is provided to generate an electric field across the conductive... Agent: Milstein Intellectual Property Law LLC

20090273821 - All-optical methods and systems: An all-optical modulation format converter for converting optical data signals modulated in an on-off-keying (OOK) format to a phase-shift-keying (PSK) format. The OOK-to-PSK converter can be coupled to a delay-line interferometer to provide an all-optical wavelength converter for differential PSK (DPSK). The OOK-to-PSK converter can also be used in all-optical... Agent: Brosemer, Kolefas & Associates, LLC (alu)

20090273822 - Retinal scanning display with exit pupil expanded by optics offset from intermediate image plane: A retinal scanning display device is disclosed which is configured to include: a light source emitting a light beam; a scanner scanning onto a viewer's retina the light beam emitted from the light source; a light exit at which the light beam scanned by the scanner exits the retinal scanning... Agent: Oliff & Berridge, PLC

20090273823 - Method of manufacturing mems devices providing air gap control: Methods and apparatus are provided for controlling a depth of a cavity between two layers of a light modulating device. A method of making a light modulating device includes providing a substrate, forming a sacrificial layer over at least a portion of the substrate, forming a reflective layer over at... Agent: Knobbe, Martens, Olson & Bear, LLP

20090273824 - Electromechanical system having a dielectric movable membrane: An electromechanical device includes a partially reflective and partially transmissive layer and a movable functional element. The movable functional element includes a patterned flexible dielectric layer and a reflective layer mechanically coupled to the flexible dielectric layer. The patterned flexible dielectric layer is configured to flex in response to voltages... Agent: Knobbe, Martens, Olson & Bear, LLP

20090273825 - Mirror device comprising micromirrors possessing a specific natural oscillation frequency:

20090273827 - Color display devices: The present invention is directed to color display devices in which each display cell is capable of displaying three color states. The display fluid filled in the display cells comprises two types of pigment particles. The color display device may further comprise a brightness enhancement structure on its viewing side.... Agent: Howrey LLP

20090273826 - Method of manufacturing information display panel: In a method of manufacturing an information display panel, in which at least one group of display media having light reflectance and charge characteristics, constituted by at least one group of particles, are sealed in a cell formed by partition walls between opposed two substrates, at least one substrate being... Agent: Sughrue Mion, PLLC

20090273828 - High average power ultra-short pulsed laser based on an optical amplification system: The present invention includes an apparatus and the method to scale the average power from high power ultra-short pulsed lasers, while at the same time addressing the issue of effective beam delivery and ablation, by use of an optical amplification system.... Agent: Carr & Ferrell LLP

20090273830 - Focus detection apparatus, microscope: A focus detection apparatus is provided with a light source 16 that emanates light with a given wavelength range; a reflection member 15 that reflects light emanated from the light source 16 to lead to an object 6a, reflects light from the light source 16 reflected from the object 6a,... Agent: Miles & Stockbridge PC

20090273829 - Observing device: The observing apparatus is being equipped with an image-forming optical system which forms an image of light emitted from a specimen, an imaging unit which picks up the image of the specimen formed by the image-forming optical system, and an illuminating unit which illuminates the specimen with a surface illuminant... Agent: Oliff & Berridge, PLC

20090273831 - Light module, optical tweezers generator and dark field microscope: A light module is provided. The light module applied to a dark field microscope is used for illuminating an object. The light module includes a light beam, a reflection component and a condensing component. The light beam has several lights. The reflection component is used for converting the lights radiating... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090273832 - Binoculars: Providing a pair of binoculars that is able to prevent diopter from being changed after adjusting diopter difference by pushing down the focus knob after adjusting diopter difference so as not to touch the operating knob, and able to prevent the focus position from being changed after adjusting focus position... Agent: Miles & Stockbridge PC

20090273833 - Single manufacturing process for great writable and erasable functional projecting screen with developing performance: This is a projecting board combined the function of being a white board and developer, this invention use acrylic resin, polyester, epoxy resin combined to be a bake lacquer by mixed with dayglo, hardener and silver powder, extinction powder . . . etc materials to complete this invention that can... Agent: Bacon & Thomas, PLLC

20090273834 - Stereoscopic image display apparatus: A stereoscopic image display apparatus includes a synthetic image (10) formed by synthesizing a plurality of original images from different viewing points, a lens array (12), and a diffraction element array (11) having the same pitch as the lens array. The diffraction element array has a layer (11a) made of... Agent: Hamre, Schumann, Mueller & Larson P.C.

20090273835 - Three-dimensional display apparatus with diffractive optical elements: A three-dimensional display apparatus includes a case, illuminators, a first mirror, a diffractive optical element and a second mirror. The case can contain an object for display, and includes a movable leaf operable to open and close the case. The illuminators are located around the case for emitting light onto... Agent: Dr. Banger Shia

20090273836 - Optical film comprising birefringent naphthalate copolyester having branched or cyclic c4-c10 alkyl units: The present invention relates to multilayer optical films and birefringent copolyester films. The birefringent copolyester optical layer or birefringent copolyester film comprises a major amount of naphthalate units, ethylene units, and a minor amount of branched or cyclic C4 to C10 alkyl units. Also described are certain copolyester polymeric materials... Agent: 3m Innovative Properties Company

20090273838 - Optical film and information technology apparatus comprising the same: The present invention relates to an optical film comprising an aromatic based unit having chain having the hydroxy group containing portion and aromatic moiety; and a styrene-based unit comprising one or more styrene-based derivatives, and has absolute values of in-plane retardation (Rin) and thickness retardation (Rin) of 10 nm or... Agent: Lgchem Lerner, David, Littenberg, Krumholz & Mentlik, LLP

20090273837 - Retardation of film and production method thereof: The present invention is to provide a retardation film having excellent durability against temperature change or the like and a production method of the retardation film. Particularly, the present invention is to provide a retardation film which realizes both reverse wavelength dispersion and durability and a production method of the... Agent: Mark D. Saralino (general) Renner, Otto, Boisselle & Sklar, LLP

20090273839 - Method for constructing a phase conjugate mirror: A method that provides for a phase conjugate mirror 10 having a gallium-arsenide substrate 11 with a generally cubic crystalline lattice and a number of gallium-arsenide crystal projections 14 extending from said substrate 11, the projections each having three generally planar surfaces 15, 16, 17, where the surfaces each being... Agent: Joseph Reid Henrichs

20090273840 - Wavelength dispersing device: A compact wavelength dispersing device and a wavelength selective optical switch based on the wavelength dispersing device is described. The wavelength dispersing device has a folding mirror that folds the optical path at least three times. A focal length of a focusing coupler of the device is reduced and the... Agent: Teitelbaum & Maclean

20090273841 - Diffractive optical element and method for manufacturing same: A diffractive optical element includes at least a first diffractive element and a second diffractive element. The conditional expression 0.5≦D/DS≦0.9 is preferably satisfied where DS denotes the summation of the optimum designed groove height of the first diffractive element d1S and that of the second diffractive element d2S, and D... Agent: Miles & Stockbridge PC

20090273842 - Method and system for tunable optical filtering: An optical device includes an optical splitter having an input port, a first output port and a second output port and is adapted to receive at said input port a WDM optical signal including a plurality of channels equally spaced by a frequency spacing and occupying an optical bandwidth, and... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090273843 - Apparatus and method for reducing glare in images: Glare is reduced by acquiring an input image with a camera having a lens and a sensor, in which a pin-hole mask is placed in close proximity to the sensor. The mask localizes the glare at readily identifiable pixels, which can then be filtered to produce a glare reduce output... Agent: Mitsubishi Electric Research Laboratories, Inc.

20090273844 - Privacy filter with rounded optically opaque regions: A privacy filter comprises a first light transmissive film having a first plurality of rounded, optically opaque regions extending into a surface thereof. The first plurality of rounded, optically opaque regions are positioned to allow a viewer to view an image through the privacy filter within a range of viewing... Agent: Hewlett-packard Company Intellectual Property Administration

20090273845 - Optical system and optical apparatus including optical system: Provided is an optical system in which chromatic aberrations can be excellently corrected in spite of environmental changes, to thereby maintain high optical performance. The optical system includes: a plurality of optical elements each having refractive surfaces located in a light incident side and a light exit side; and an... Agent: Canon U.s.a. Inc. Intellectual Property Division

20090273846 - Zoom lens system and imaging apparatus: A positive first lens group G1, a negative second lens group G2, an aperture diaphragm St, a positive third lens group G3, and a positive fourth lens group G4 are sequentially arranged, and a movement of the lens groups and the aperture diaphragm St during zooming is optimized in combination... Agent: Birch Stewart Kolasch & Birch

20090273847 - Zoom lens: The invention provides a zoom lens, including a plurality of lens groups. When the zoom lens is in operation, the plurality of lens groups are aligned on a common optic axis, and the zoom lens forms a first plane and a second plane conjugated with the first plane. To retract... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090273848 - Zoom lens system: e

20090273849 - Focus adjustment method of zoom lens system: A focus adjustment method of a zoom lens system is provided for correcting a focal point shift caused by manufacturing error. The zoom lens system includes three movable lens groups in which at least two of said lens groups are moved to perform zooming to form an image onto an... Agent: Greenblum & Bernstein, P.L.C

20090273850 - Techniques for steering an optical beam: Reflectors having concave reflecting surfaces (e.g., parabolic reflectors) and electronically controlled beam steering elements are used for rapid, low-diversion, wide-angle, and precision steering of optical beams, including laser beams.... Agent: Fox Rothschild, LLP Pittsburgh

20090273851 - Lens system, optical device with lens system, and method of manufacturing lens system: f

20090273852 - Imaging device with micro-scale optical structures: An imaging device with micro-scale optical structures comprises a plurality of display units, where each display unit comprises a plurality of micro-scale optical structures, and each micro-scale optical structure comprises a convex part, a planar part, and base part. The convex part is positioned on the base part and has... Agent: Birch Stewart Kolasch & Birch

20090273853 - Film for improving contrast and preventing moire pattern, pdp filter and display device comprising the same: The present invention relates to a film for improving contrast, a plasma display panel (PDP) filter including the film, and a PDP apparatus, and more particularly, to a film for improving contrast, the film capable of reducing a decrease of the contrast by shielding light from an external light source... Agent: Mckenna Long & Aldridge LLP

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