Optics: image projectors inventions 05/07

20070121074 - Front surface mirror for providing white color uniformity for polarized systems with a large range of incidence angles: A fold mirror for a projection display system is designed to lessen a perceived variation in white color balance of light reflected across the mirror wherein the white light is comprised of sub-beams of orthogonal polarization states. The mirror comprises a metal reflective layer and a plurality of optically transparent... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20070121075 - Optical system with angular compensator: An electro-optical projection system includes a polarizer, a reflective light modulator, an analyzer, and a compensation element. The polarizer polarizes an illumination beam to form a polarized illumination beam. The reflective light modulator receives the polarized illumination beam along a first optical path, modulates the polarized illumination beam to form... Agent: Henneman & Associates, PLC

20070121076 - Arrangement for the three-dimensional display of a scene / an object: Preferably, the optical assembly (5) is provided with a structured plate (1), the structures of which form the plurality of optical elements, and the fastening device consists of means for influencing the air pressure between the structured plate (1) and the surface of a visual display device that is a... Agent: Douglas J Christensen Patterson Thuente Skaar & Christensen

20070121077 - Projection-type display apparatus and control method for projection-type display apparatus as well as control program for projection-type display apparatus: Exemplary embodiments provide a projection-type display apparatus, which can address or realize a reduction in weight and size, a reduction in power consumption, and a reduction in noise, and address or realize a reduction in price, and a control method for the projection-type display apparatus, as well as a control... Agent: Oliff & Berridge, PLC

20070121078 - Light-valve projection systems with light recycling: A light-valve system adapted to recycle light reflected from the light-valve in order to improve the brightness of the image. Illustratively, this reflected light is the dark-state light of an image. The system includes a light-valve, which is optically coupled to a polarization discriminator; and a light recycling device, which... Agent: Philips Intellectual Property & Standards

20070121079 - Optical device and projector: An optical device includes: a plurality of light modulating devices for forming optical images by modulating a plurality of color lights into image information for each color light and a color combining optical device having a plurality of light flux incoming end surfaces opposing the respective light modulating devices for... Agent: Advantedge Law Group, LLC

20070121080 - Adjusting device for an integration rod in a projection apparatus: An adjusting device for positioning an integration rod within an optical engine module is provided. The optical engine module includes a casing having four sidewalls defining an optical path. The integration rod is disposed in the optical path. Each sidewall has a screw hole. The adjusting device includes two adjusting... Agent: Birch Stewart Kolasch & Birch

20070121081 - Projection lighting device: A projection lighting device includes a light source unit having at least two frames each with a light emitting diode and a reflection member is connected to the light source unit. The reflection member includes at least two polyellipsoid surfaces so as to reflect the light beams from the light... Agent: Rosenberg, Klein & Lee

20070121082 - Optical apparatus: A projection type display apparatus includes a housing having a first side on which an air intake opening is arranged and a second side on which an air exhaust opening is arranged, a light source for supplying light, and a light valve device which modulates the light output from the... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070121083 - Projector: A projector includes: a light source device; a light modulation device that modulates a luminous flux output from the light source device; a projection optical device that magnifies and projects the luminous flux modulated in the light modulation device; and an exterior casing that accommodates the light source device, the... Agent: Oliff & Berridge, PLC

20070121084 - Projector with a plurality of light sources: A projector includes a housing, a first light source installed inside the housing for generating light beams, a second light source installed inside the housing for generating light beams, a first refractive element installed inside the housing for refracting the light beams generated by the first light source, a second... Agent: North America Intellectual Property Corporation

20070121085 - Method of combining dispersed light sources for projection display: A method and system for combining light emitted by dispersed light sources for use in a projection display or similar system. A plurality of elongated and tapered light integrators are placed side by side forming an array, each having at their small input end a light source, such as an... Agent: Texas Instruments Incorporated

20070121086 - Illumination apparatus and image projection apparatus: An illumination apparatus illuminating an objective illumination region comprises a plurality of illuminants having light-emitting surfaces radiating diffused light, an illuminant substrate in which the illuminants are disposed so as to be set in array on the circumference, at least one optical member configured to guide the diffused light to... Agent: Volpe And Koenig, P.C.

20070121087 - Image projection system for personal media player: An image projection module within a housing accessory is operative for causing selected pixels in a raster pattern to be illuminated to produce an image at different image planes of VGA quality. A personal media player is connected to the housing accessory and the image projection module to supply image... Agent: Kirschstein, Ottinger, Israel & Schiffmiller, P.C.

20070121088 - Portable projection screen assembly: A portable screen assembly includes a first side support connected to a fabric, a second side support connected to the fabric, and a center support assembly. An expandable support brace is also included in the portable screen assembly. The expandable support brace is connected to the center support assembly, the... Agent: Pillsbury Winthrop Shaw Pittman LLP

20070115435 - Projector and method of projecting an image having multiple image sizes: A front projection display system (100) selectively operates in either a “normal” television-replacement mode, which projects a smaller-sized image, or in a large-format “cinema” projection mode with a larger-sized image. A display size selection can be made automatically according to factors such as ambient light level, and/or manually under user... Agent: Philips Intellectual Property & Standards

20070115438 - Projector system having cooling fan: A projector of the invention is a projector including a light source unit 63, a light source side optical system 61, a display device 51 for producing a projected image to be projected, a projection side optical system 62 for projecting the projected image produced by the display device 51,... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070115436 - Structure for cooling a lamp for a projection display apparatus having an integrated exhaust duct: A structure for cooling a lamp used for a projection type display apparatus is provided. The structure comprises a lamp house for housing a lamp that is operable as a light source, said lamp house being configured to be installed in a housing of said projection display apparatus; and a... Agent: Mcginn Intellectual Property Law Group, PLLC

20070115437 - Structure for protecting a rod integrator having a light shield plate with an opening: A structure for protecting a rod integrator that is used for a projection display apparatus is provided. The structure has: a protecting tube for the rod integrator, the protecting tube accommodating the rod integrator therein, wherein the protecting tube has openings which are defined at positions that face a light... Agent: Mcginn Intellectual Property Law Group, PLLC

20070115439 - Lighting system, projector, and method for assembling lighting system: The invention provides an illumination system that can include a first reflecting mirror arranged on a rear side of a light-emitting portion of the illumination system including an arc tube, and a second reflecting mirror arranged on the front side of the light-emitting portion of an optical system. The system... Agent: Oliff & Berridge, PLC

20070115440 - Projection display with screen compensation: A control system for a projection display includes means for compensating for spatial variations or artifacts in light scattered by a projection screen. According to embodiments, a sensor produces a signal corresponding to the amount of light scattered to a viewer on a region-by-region or pixel-by-pixel basis. A screen map... Agent: Microvision, Inc.

20070115441 - Method and apparatus to increase the contrast ratio of the image produced by a lcos based light engine: A transmissive LCD is placed in optical series with pixels of an image. The transmissive LCD is set to full transmissivity when bright pixels of the image pass through the transmissive LCD. Transmissivity is decreased where pixels darker than a darkening threshold pass through the transmissive LCD. A darkening curve... Agent: Arthur Berman

20070109500 - Projector type display apparatus: There is provided a safe image display apparatus for projecting an image on a screen that can minimize a stimulus to eyes, retinae and optic nerves from projected light entering into the eyes directly. By comparing a displayed image captured by a camera with an input image signal, a changed... Agent: Mcdermott Will & Emery LLP

20070109501 - Illumination apparatus and image projection apparatus: An illumination apparatus illuminating an objective illumination region comprises a plurality of illuminants having light-emitting surfaces radiating diffused light, an illuminant substrate in which the illuminants are disposed so as to be set in array on the circumference, at least one optical member configured to guide the diffused light to... Agent: Volpe And Koenig, P.C.

20070109502 - Pixel shifting color projection system: A projection system including an integrator with an output end having a matrix of output windows therein. A pattern of red, green and blue monochromatic filters are disposed on the output windows passing a matrix of red, green, and blue monochromatic pixels of light. An imager modulates the pixels of... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070109503 - Imaging system for an optical engine of a projection apparatus: An imaging system for an optical engine of projection apparatus comprises a body, a prism device, a digital micromirror assembly, a projection lens assembly, and an illumination system. A first slide mechanism disposed between the prism device and the body enables the prism device and the body to move transversely,... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20070109504 - Projection system, projector, and information processing device: A projection system includes an information processing device for processing image information, a projector for modulating a light beam emitted from a light source device in accordance with the image information processed by the information processing device and enlargedly projecting the modulated light beam, and an information transfer section for... Agent: Oliff & Berridge, PLC

20070109505 - Projection three-dimensional display apparatus: A screen for imaging a group picture of view point pictures is arranged and a screen shake detecting means and a means for correcting and controlling the group picture of the view point pictures projected on a screen to a proper position are provided.... Agent: Greenblum & Bernstein, P.L.C

20070109506 - Projection device with camera to provide for iterative adjustments: An apparatus, system, and method for a projection device having a camera to provide for adjustments based at least in part on a series of captured images are disclosed herein.... Agent: Schwabe, Williamson & Wyatt, P.C.

20070109507 - Projection display device: In a projection display device that is provided with a relay lens for converting flux that is emitted from a light source to a parallel flux for illuminating an image display element (DMD), and a total internal reflection prism for both directing flux that is emitted from the relay lens... Agent: Scully Scott Murphy & Presser, PC

20070109508 - Color fan deck: The present invention is directed to a paint color sample display device for the illustration of paint colors and a method for making such a color display device. The color display device may be a color fan deck which displays color on each side of the blades of the fan... Agent: Fitch Even Tabin And Flannery

20070109509 - Projector/projection type switchable display apparatus: A projector/projection type switchable display apparatus includes: a main body unit having an image producing unit forming and emitting an image; and a cover unit that is rotatably connected to the main body unit. The cover unit includes an aspherical mirror enlarging and reflecting the image emitted from the main... Agent: Sughrue Mion, PLLC

20070103643 - Laser light source device, display device, scanning type display device, and projector: To provide a laser light source unit, a display device, a scanning display device and a projector, in each of which, when a laser is taken out of the chassis or the like, a laser thereof is assuredly rendered incapable of emitting. The laser light source unit includes a laser... Agent: Oliff & Berridge, PLC

20070103644 - Image display device and projector: An image display device includes: a light source; a first optical modulator that modulates a plurality of color lights coming from the light source; a color combination member that combines the color lights provided by the first optical modulator; a second optical modulator that modulates a light provided by the... Agent: Oliff & Berridge, PLC

20070103645 - Projector: Microwaves having different phases are radiated from antennas to three branched light emitting areas in an electrodeless lamp. Light emitted from the three light emitting areas are radiated from one light radiating area of the electrodeless lamp. The microwaves having the maximum amplitude and a plurality of phases are sequentially... Agent: Harness, Dickey & Pierce, P.L.C

20070103646 - Apparatus, methods, and systems for multi-primary display or projection: An apparatus, methods, and systems for multi-color projection or display for video or lighting applications. One aspect of the present invention comprises an algorithm for utilizing at least four primary light sources to represent a projected pixel color. The algorithm and associated system can be applied to both a natively... Agent: Mckee, Voorhees & Sease, P.L.C

20070103647 - Optical device and optical apparatus: An optical device according to an aspect of the invention includes: a plurality of optical elements; a base which supports the plurality of optical elements; and a plurality of element holders which holds the plurality of optical elements and each includes a holder side flow passage for cooling liquid to... Agent: Oliff & Berridge, PLC

20070103648 - Display device and projector: To provide a display device and a projector capable of enhancing the quality of dynamic images, of reducing limitations on light sources, enhancing the utilization efficiency of light, and of displaying images in full color, illumination light emitted from a light source lamp is irradiated onto some pixels of a... Agent: Oliff & Berridge, PLC

20070103649 - Light source device and projector including light source device: Task The invention provides an optical source device and a projector including the optical source device, in which a microwave is used to reduce the size, and increase the life span. Means for Resolution The optical source device according to the invention includes a solid high frequency oscillating unit that... Agent: Harness, Dickey & Pierce, P.L.C

20070103651 - Projector: A projector includes a lamp, a ballast, a micro controller unit and an optical engine. The lamp emits a light ray. The ballast starts the lamp and selectively outputs an operating power and a blanking power to the lamp. The micro controller unit controls the ballast. The optical engine receives... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070103650 - Projector and method of turning on light source device of projector: Task To provide a projector using a light source device that is rapidly and reliably turned on and can stably obtain a desired amount of light and a method of rapidly and reliably turning on a light source device of a projector. Means for Resolution A power control unit adjusts... Agent: Harness, Dickey & Pierce, P.L.C

20070103653 - Light masking for a segmented display system: A segmented display system in which the display devices are arranged in a N×1 array is described. The segmented display system includes a plurality of projection devices that each project a portion of an image on a corresponding one of the display devices in the N×1 array. Distortion from extra... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070103652 - System and method for smoothing seams in tiled displays: The present invention provides method for producing a substantially seamless video image on a display surface. The method comprises the steps of separately projecting at least a first and a second video image onto a display surface such that a seam is defined by overlapping portions of said first and... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070103654 - Frame for positioning optical components of a projection device: e

20070097319 - Stereoscopic display: A stereoscopic display comprising a concave mirror that acts as a directional screen, a projection system including a plurality of reflecting surfaces for directing first and second images onto focusing means, and a beam splitter between the mirror and the focusing means for directing light from the focusing means towards... Agent: Alston & Bird LLP

20070097321 - Calibration of displays having spatially-variable backlight: A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. The screen is illuminated with light from a light source comprising an array of controllable light-emitters. The controllable-emitters and elements of the light modulator may be controlled to... Agent: Klarquist Sparkman, LLP

20070097320 - Device for projecting images on different projection surfaces: A device (1) for projecting images (2) onto different projection surfaces (3, 4) as desired, having an electro-optical arrangement (34) for generating and emitting light on the basis of image data, and having an optical system (9) that includes a redirecting mechanism (8′) for directing the light, as desired, onto... Agent: Philips Intellectual Property & Standards

20070097322 - Laser display apparatus: Provided is a laser display apparatus for displaying an image by scanning laser light onto a screen. The laser display apparatus includes: a laser and an optical scanning unit scanning laser light emitted by the laser, whereby an image is provided to the screen; a laser light intensity adjusting unit... Agent: Sughrue Mion, PLLC

20070097323 - Electro-optical wobulator: An electro-optical wobulator includes an electro- or magneto- optically active thin film, disposed in an image projection path, and means for selectively applying an electric or magnetic field to the thin film. The thin film has an index of refraction that changes in response to the electric or magnetic field,... Agent: Hewlett Packard Company

20070097324 - Image information display unit: The invention solves a problem in that an operator who puts on a head mount display using a half-mirror can not see image information and a background concurrently because virtual image information is produced at a position of several centimeters before the operator's eyes, thereby allowing fatigue to be accumulated... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070097325 - Projection type image display device: A liquid crystal rear projector device of the present invention includes a lamp unit providing a light source, a cooling fan for cooling the lamp unit, and an optical system for generating color image light with the lamp unit providing a light source, the lamp unit including a light emitting... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070097326 - Digital rear-projection display apapratus and method for adjusting a displayed image thereof: A method for adjusting a displayed image of a digital rear-projection display apparatus and a digital rear-projection display apparatus are disclosed. The method for adjusting the displayed image comprises adjusting the size of the image displayed on the digital display panel for a desired display area on the digital display... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20070097327 - Projection optical unit and projection image display apparatus: A projection optical unit for enlarged projection of an image displayed by an image display element includes a first projection optical unit having positive refractive power, and a second projection optical unit having positive refractive power for further enlarging the first enlarged image obtained by the first projection optical unit.... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070097328 - Projection system that adjusts for keystoning: A system for adjusting keystoning in a projector may include sensing using an imaging device at least two boundaries defining a projection screen and determining a transformation to adjust the keystoning of an image projected from the projector. The image may be modified from the projector in accordance with the... Agent: Kevin L. Russell Chernoff, Vilhauer, Mcclung & Stenzel LLP

20070097329 - Rear projection system: A rear projection system includes a partially transmissive reflector, an image source installed on one side of the reflector for projecting an image to the reflector, a screen for receiving the image projected from the image source and reflected from the reflector so as to display the image, at least... Agent: North America Intellectual Property Corporation

20070097330 - Display device, cabinet assembly for the display device and method of assembling the display device: A display device includes a display module, a rear cabinet supporting a rear portion of the display module, and a front cabinet having at least two frames provided on edges of the display module to protect a front portion of the display module.... Agent: Ked & Associates, LLP

20070097331 - Wide angle lens assembly for projector and an optical system having such a lens and projector: Featured is a projection lens assembly including a plurality or more of optical elements, whose optical elements are configured and arranged so the configuration and arrangement substantially maintains the shape of the images being displayed throughout a hemispherical screen. That is, the optical elements are configured and arranged so to... Agent: Edwards & Angell, LLP

20070097332 - Projection type image display apparatus and lighting circuit control method: One color segment is selected from among a plurality of color segments. A lamp lighting circuit is controlled so that a lamp pulse is superimposed on a DC lamp current during a time period during which a light projected from a lamp transmits through the selected color segment.... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070097333 - Determining an adjustment: Disclosed are embodiments of determining an adjustment.... Agent: Hewlett Packard Company

20070097335 - Color laser projection display: A method and apparatus are provided to provide a laser projection display (LPD).... Agent: Kirschstein, Ottinger, Israel & Schiffmiller, P.C.

20070097334 - Projection of overlapping and temporally offset sub-frames onto a surface: A method of displaying images with a display system includes receiving image data for the images. The method includes generating at least a first sub-frame and at least a second sub-frame corresponding to the image data. The first sub-frame is projected with a first projector onto a target surface. The... Agent: Hewlett Packard Company

20070097336 - Image display device, image display panel manufacturing method, and image display panel: An image display device which comprises an image display panel, in which particles or liquid powders as image display media are sealed in cells formed in an isolated manner from one another by partition walls between two opposed substrates, at least one of two substrates being transparent, and, in which... Agent: Sughrue Mion, PLLC

20070097337 - Image display apparatus: An image display apparatus 100 that displays an image using a light modulated according to an image signal includes a projection optical system 90 that includes a projection lens 20, a first mirror 30 that reflects a light from the projection lens 20, and a second mirror 40 that widens... Agent: Oliff & Berridge, PLC

20070097338 - Projector with adjustable image offset: A projector includes illumination optics for providing light beams, a light modulating apparatus for receiving and modulating the light beams provided by the illumination optics, a projection lens for projecting an image of the light beams received from the light modulating apparatus, a first adjusting device for adjusting a position... Agent: North America Intellectual Property Corporation

20070097339 - Projector: A projector including a display screen and an imaging system is provided. The imaging system is adapted for providing an optical image and the optical image is transmitted to the display screen through an optical transmission medium. The refractive index of the optical transmission medium is not equal to one.... Agent: Jianq Chyun Intellectual Property Office