Optics: image projectors inventions 08/07

20070201006 - Projection type video display: There are provided a write light valve for generating image-writing light by modulating write light, a driver for writing images into the write light valve based on image data, read light valves for each color for generating respective color image lights by modulating each received color illumination light, an imaging... Agent: Mcdermott Will & Emery LLP

20070201004 - Projection apparatus and method for pepper's ghost illusion: An image projection apparatus (100) comprises a projector (106), a frame (108), and a partially transparent screen (110). The frame (108) retains the screen (110) under tension, such that the screen (110) is inclined at an angle with respect to a plane of emission of light from the projector (106).... Agent: Matthias Scholl

20070201005 - Configurable projection device: A modular projection device. The modular projection device includes a docking interface for selectively coupling the projection device to a content source module that provides the projection device with video content for projection onto a projection surface.... Agent: Alleman Hall Mccoy Russell & Tuttle LLP

20070201007 - Multi-positional smoothing mirror for video projection optics: A projection display is provided with a light engine including a damped piezo-electric smooth picture actuating device. The light engine comprises a mirror and an actuator for positioning the mirror. The actuator includes a tilting means that couples the actuator to the mirror. The tilting means has damping material attached... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070201008 - Projection device with an electromagnetic interference shielding slice: A DLP projection device includes a cooling fin of a DMD chip, a cover of an optical engine, a mother board, a metal sheet covering the mother board, an upper housing covering the DLP projection device, and an EMI shielding slice coupled with the cooling fin of the digital micro... Agent: North America Intellectual Property Corporation

20070201009 - Image display device and adjustment for alignment: An image display device comprises an optical imaging arrangement for providing image information to illumination light and for transmitting the light as an optical image signal; a display for receiving the optical image signal and for displaying an image based on the image information; and a projecting optical arrangement including... Agent: Birch Stewart Kolasch & Birch

20070195273 - Projector: A projector, which has a light source, an optical modulator which modulates a light beam irradiated from the light source in accordance with image information to form an optical image and a projection optical system which projects the formed optical image, includes: an integrator illuminating optical system which equalizes the... Agent: Oliff & Berridge, PLC

20070195279 - Display device and displaying method: A display device is provided that includes a light source for emitting a light, an image forming unit for forming an image using the emitted light and an inputted image signal, and a projection lens for projecting the formed image on a screen. The display device may further include an... Agent: Ked & Associates, LLP

20070195280 - Projector: The invention discloses a projector including an optical system, a guiding passage, and two fans. The optical system includes three panels. The guiding passage has three outlets and two inlets. Each outlet of the guiding passage is located opposite to each panel. Each inlet of the guiding passage is located... Agent: Hoffman Warnick & D'alessandro, LLC

20070195281 - Projector: The invention discloses a projector including a light-source device, a guiding passage, and a fan. The light-source device includes a light-source lamp for emitting light. The guiding passage has an outlet and an inlet. There is a block disposed in the vicinity of the outlet. The outlet of the guiding... Agent: Hoffman Warnick & D'alessandro, LLC

20070195282 - Projector: A projector includes: a light source; a light modulating device that modulates the flux of light emitted from the light source on the basis of image information to form an optical image; a projection optical system that projects the formed optical image; and an exterior housing that accommodates the light... Agent: Advantedge Law Group, LLC

20070195284 - Projection optical system and projection display device employing the same: A projection optical system and a projection display device employing the projection optical system are provided. The projection optical system includes a display device displaying an image to be projected onto an image display region, and first and second optical systems sequentially disposed along an optical path from a screen... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070195288 - Projection type image display device and brightness control method thereof: A projection type image display device and a brightness control method are provided. The projection type image display device may include a projection lens to project light onto a screen, a light amount regulator to control the amount of light projected through the projection lens, and a light amount controller... Agent: Ked & Associates, LLP

20070195289 - Image projection apparatus: A projector has a projection optical system unit, which has a positively powered optical system and a curved-mirror optical system. In the projector, a first curved mirror and a second curved mirror of the curved-mirror optical system are so arranged that the optical path that the base ray travels to... Agent: Sidley Austin LLP

20070195290 - Image projection apparatus: A projector is loaded with a projection optical system unit having a refractive optical system, a curved mirror optical system, and a light travel change mirror optical system. Then, the projector has a first curved mirror and a second curved mirror of the curved mirror optical system arranged so that... Agent: Sidley Austin LLP

20070195291 - Projector: A projector includes a light source and a prism total reflection modulator arranged on an optical path of light from the light source and modulating the light with an image signal. The prism total reflection modulator includes a prism having a plane of incidence arranged to allow entrance of light... Agent: Mcdermott Will & Emery LLP

20070195274 - Color separation and synthesis systems, color separation systems and color synthesis systems, illumination optical systems, projection optical systems, and projection display devices using these systems: Color separation and synthesis systems, color separation systems and color synthesis systems, illumination optical systems, projection optical systems, and projection display devices using these systems include a wavelength-splitting element that reflects linearly polarized light of one wavelength and transmits light of another wavelength; a polarization-transforming element that changes the direction... Agent: Arnold International

20070195271 - Projection system with scanning device: A projection system is described for displaying image information, comprising an illumination system for generating a light beam, a scanning device comprising a mirror for scanning the generated light beam to form an image on a screen, and a scan angle enlarger cooperating with the scanning device for enlarging a... Agent: Philips Intellectual Property & Standards

20070195272 - Thin-film optical retarders: An oblique angle deposition is used to provide an A-plate optical retarder having at least one dense, form-birefringent layer. According to one embodiment, the dense, form-birefringent layer(s) are deposited as part of an FBAR stack to provide an all-dielectric full-function A/−C-plate trim retarder for LCD birefringence compensation. Advantageously, the dense... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20070195275 - Large screen digital image projector: The invention relates to a projection system comprising: a polychromatic light source and at least one imaging assembly illuminated by an associated polychromatic illumination beam, and comprising: two separate colored wheels respectively called first and second colored wheel; and three separate imagers respectively called first, second and third imagers. At... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070195276 - Projection-type display devices with reduced speckle: Described herein are display devices that provide projection-type video output and use lasers to generate light. To reduce any speckle effects for a projected image cast by a projector onto of a non-specular surface, the present invention decreases coherence of the laser-generated light. Coherence reduction is accomplished by introducing a... Agent: William J. Plut Honeywood Technologies, LLC

20070195277 - Projector system for light modulation device: Aspects of the invention can provide a projector capable of projecting a high-quality image by illumination that does not produce a difference in size among illumination areas for respective colors including red, green, and blue. A light-source light from a light source can be separated into color lights by first... Agent: Oliff & Berridge, PLC

20070195278 - Multi-color illuminating device and projection type video display: The projection type video display includes three illuminating devices (51R-1, 51G, and 51B). Each illuminating device includes a taper type rod integrator and a cuboid shaped rod integrator. The illuminating device (51R-1) emits red light; the illuminating device (51G) emits green light; and the illuminating device (51B) emits blue light.... Agent: Ndq&m Watchstone LLP

20070195283 - Adjustable light-modulating device: An adjustable light-modulating device for a projection display apparatus including a color separator capable of providing colored light includes a light valve and an adjusting mechanism. The light valve is disposed to receive the colored light provided by the color separator of the projection display apparatus, and is capable of... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20070195285 - Hybrid system for multi-projector geometry calibration: The present invention relates to projection systems where multiple projectors are utilized to create respective complementary portions of a projected image. More particularly, according to one embodiment of the present invention, a method of calibrating a multi-projector image display system is provided. According to the method, non-parametric calibration data for... Agent: Dinsmore & Shohl LLP

20070195286 - Rear projection display apparatus: Disclosed herein is a rear projection display apparatus including, a screen, a projection mirror; a video apparatus for projecting a picture, an optical unit including a projection lens, a light source, a drive and control circuit, and a structure body for holding the screen, wherein the projection mirror is adjustably... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070195287 - Filter-free projector: A filter-free projector includes a light source unit to generate light beam with different color and a color control module couple to the light source unit for switching the light source unit to emit one color light at a time. A digital mirror device panel having a plurality of mirror... Agent: Birch Stewart Kolasch & Birch

20070195292 - Projector: A projector includes an image forming device, a projection lens for projecting an image produced by the image forming device, and an external case which accommodates the image forming device and at least a part of the projection lens and has an opening through which a light emission end of... Agent: Oliff & Berridge, PLC

20070195293 - Projection type image display apparatus: The projection type image display apparatus according to the present invention has an engagement portion enabling engagement and disengagement between a first base and a second base. The first base supports a portion for forming an optical image and a projection lens in an optical system unit. The second base... Agent: Townsend And Townsend And Crew, LLP

20070195294 - Image projector with display modes: A portable video projector includes facility to direct a projected image field along an axis in an alignment corresponding to the state of an optical element.... Agent: Graybeal, Jackson, Haley LLP

20070188715 - Image processing method, image processing program, recording medium, and projector: There is provided an image processing method that performs an image transformation operation on Input image data using a computer to generate output image data for display, the image processing method including: acquiring input image data, generating transformed image data corresponding to a transformation process by performing each of a... Agent: Oliff & Berridge, PLC

20070188718 - Methods and systems for multiple primary color display: Methods and systems for multiple primary color display are provided. Methods and systems of the present invention improve the spectrum efficiency of a color display system, and provide enhanced brightness and color gamut. In an embodiment, methods and systems of the present invention improve the brightness of a color display... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070188711 - Multi-functional active matrix liquid crystal displays: A direct view display provides a light modulating panel and a backlight including first and second sets of spectral emitters. The first set of spectral emitters generate a first light bundle and the second set of spectral emitters generate a second light bundle. Several modes of operation may be provided... Agent: Baker & Mckenzie LLP Patent Department

20070188712 - Simulation of attendance at a live event: A method and apparatus for providing a simulation of attendance at a live event, performance or the like. The apparatus includes an enclosed architectural structure with an interior that is adapted to replicate a portion of the seating environment of a real life performance venue. The enclosed structure contains a... Agent: Shughart Thomson & Kilroy, PC

20070188714 - Projector: A projector includes an integrator illumination optical system. The integrator illumination optical system includes: a first lens array having a plurality of first small lenses, a second lens having a plurality of second small lenses, and a polarization converter including: polarization separating layers. The second small lenses of the second... Agent: Oliff & Berridge, PLC

20070188713 - Simplified polarization recovery system: A polarized light source, is provided, comprising a lamp providing randomly polarized light, an integrator for directing light from the lamp generally along an axis of the integrator, and a wire-grid polarizer disposed at one end of the integrator. This polarized light source recovers a portion of the light produced... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070188716 - Image projection apparatus: An image projection apparatus includes a one-dimensional spatial light modulating element and a polygon scanner having four or five mirror facets. The polygon scanner scans a light beam modulated by the one-dimensional spatial light modulating element in a direction that is substantially perpendicular to the length direction of the one-dimensional... Agent: Wolf Greenfield & Sacks, P.C.

20070188717 - Method for producing crystal elements having strategically oriented faces for enhancing performance: A method is provided for producing a plurality of crystal elements having at least one flat face. The method includes providing a crystal boule grown from a seed crystal, said seed crystal having at least one flat face, each of said at least one flat face having a respective surface... Agent: Siemens Corporation Intellectual Property Department

20070188719 - Multi-projector intensity blending system: The present invention relates to projection systems where multiple projectors are utilized to create respective complementary portions of a projected image. The present invention also relates to methods of calibrating and operating individual image projectors. According to one embodiment of the present invention, an attenuation map is generated for the... Agent: Dinsmore & Shohl LLP

20070188720 - Projectors and operation thereof: At least first and second narrowband beams of light, respectively of different wavelengths, are concurrently directed onto a modulator respectively at first and second angles of incidence.... Agent: Hewlett Packard Company

20070182933 - Color separation optical system and image projection apparatus: A color separation optical system is disclosed which is effective in improving black color and black unevenness. Linearly polarized light impinging on a dichroic surface at an incident angle smaller than 45 degrees and then impinging on a polarization beam splitting surface at an incident angle larger than 45 degrees... Agent: Morgan & Finnegan, L.L.P.

20070182934 - Image projection apparatus: An image projection apparatus is disclosed which is capable of reducing noise when airflows from plural flow paths are taken in into a fan and exhausted therefrom. The apparatus comprises a first flow path through which a first airflow for cooling a light source passes, a second flow path through... Agent: Morgan & Finnegan, L.L.P.

20070182935 - Projection-type image displaying apparatus: A projection-type image displaying apparatus takes in outside air through an air inlet formed in a housing unit to cool at least one of an optical modulator and an optical element that are accommodated in the housing unit, the optical modulator forming an optical image and the optical element being... Agent: Canon U.s.a. Inc. Intellectual Property Division

20070182936 - Projection display apparatus: A projection display apparatus includes a display unit adapted to generate an image, a projection unit adapted to project the image generated by the display unit, a control unit adapted to control the image generated by the display unit, a detection unit adapted to issue an output changed depending on... Agent: Canon U.s.a. Inc. Intellectual Property Division

20070182937 - Rear projection display apparatus and image adjusting method thereof: A rear projection apparatus includes an optical engine, a screen, a projection lens disposed between the screen and the optical engine and a condensing element disposed on the screen and between the screen and the projection lens. The center of condensing element is substantially offset from the center of the... Agent: Jianq Chyun Intellectual Property Office

20070182938 - Image projection apparatus: A projector includes a plane mirror that is disposed at one end side of an end portion of a screen and a projection optical system that is disposed at a position that is separated from a reflection surface side of the plane mirror. A light shielding plate is provided to... Agent: Sidley Austin LLP

20070182939 - Digital projection system without a color filter: A digital system without a color filter is provided. The desired color components are produced by a light source capable of emitting the desired color components. The color components are delivered to the pixels of the spatial light modulator through a group of optical lens and/or lightpipes, but without a... Agent: Texas Instruments Incorporated

20070182932 - Lcd projecting system having dichroic mirrors for polarization conversion: This invention relates to a system (200) for projecting an image on a display comprising: a first dichroic means(212) receiving coloured light beams (204, 206, 208) and adapted to transmit the one (204) and to reflect the others (206, 208), a second dichroic means (220) receiving the other light beams... Agent: Philips Intellectual Property & Standards

20070182931 - Polarization integrator: A polarization integrator comprises a polarizing beam splitter (PBS) for splitting light from a light source 1 into P-polarized light and S-polarized light, a first micro-lens 52, a ½ wavelength plate 53, and a second micro-lens 54; the first micro-lens is arranged to focus onto mutually differing positions the P-polarized... Agent: Judge & MurakamiIPAssociates

20070182940 - Projection display apparatus: A projection display apparatus is provided with a control unit that drives a focus lens included in a projection lens based on outputs from a focus sensor and a temperature sensor. The control unit provided in the projection display apparatus compensates the output value of the temperature sensor according to... Agent: Cowan Liebowitz & Latman P.C. John J Torrente

20070177109 - Projection apparatus provided with a heat sink: A projection apparatus includes an outer casing, a light source disposed within the casing for generating light beams, and an optical engine connected to the light source for receiving the light beams in order to project an image. A heat sink includes an air tunnel mounted within the casing, and... Agent: Birch Stewart Kolasch & Birch

20070177111 - Image forming apparatus and method: An image forming apparatus which forms a whole image including a first part image and a second part image on a front side of an image forming target unit formed by overlapping portions of the first and second part images is disclosed. The image forming apparatus includes: the image forming... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070177106 - Lcos display system with software/firmware correction enabling use of imperfect lcos chips: A LCoS projection display system using two LCoS chips and a variable color filter.... Agent: Crockett & Crockett

20070177107 - Illumination arrangement for color picture projection: This invention involves a lighting arrangement for color image projection with at least two lighting units, whose light will hit image-forming elements, such as DMDs or grating light valves via optical elements, so that a subsequent optical projection system will project a multi-colored image on a projection surface. This invention... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20070177108 - Projection device: A projection device is disclosed, wherein the projection device includes a lamp housing having a front portion and a back portion, wherein the lamp housing is configured to accommodate a lamp, a blower system configured to direct a flow of air across the front portion of the lamp housing, and... Agent: Alleman Hall Mccoy Russell & Tuttle LLP

20070177110 - Flat projection television: A flat projection television comprising an imagine engine mounted adjacent a top of an enclosure and optically coupled to a collimator mirror, a flat mirror, a mirror assembly comprising a plurality of cylindrical mirrors, and a diffuser screen. The image engine includes a cylindrical lens which expands an outgoing image... Agent: Orrick, Herrington & Sutcliffe, LLPIPProsecution Department

20070177112 - Starry sky display apparatus and furniture combined therewith: A starry sky display apparatus comprises a mirror having a reflecting film, the reflecting film having a plurality of light transmission holes defined therein in a scattered pattern, and a light source unit disposed behind the mirror for emitting light to the mirror. The light emitted by the light source... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP

20070177113 - Digital image projection methods and apparatus thereof: Disclosed herein is a method of projecting images using light valves. Pixel patterns generated of the light valve pixels based on image data are projected at different locations at a time.... Agent: Texas Instruments Incorporated

20070177114 - Electronic instrument and usb device: An electronic instrument includes: an apparatus body which processes information received from a USB device connected thereto; and a housing which houses the apparatus body in an interior, wherein a step sinking in toward an interior of the housing is formed in an outer peripheral surface of the housing, and... Agent: Advantedge Law Group, LLC

20070177115 - Integrated portable computer projector system: An integrated portable computer projector system comprises an image projector integrally couplable to a computer device.... Agent: Hewlett Packard Company