Optics: image projectors inventions 06/07

20070146641 - Illumination system and optical projection apparatus: An illumination system including an optical element, a primary light source, an auxiliary light source, and a light guide element is provided. The primary light source and the auxiliary light source are disposed adjacent to the light incident end of the optical element. The primary light source provides a primary... Agent: Jianq Chyun Intellectual Property Office

20070146645 - Cooling device for use with a projection apparatus: A cooling device for use with a projection apparatus is disclosed. The cooling device includes a first axial fan and a second axial fan which is disposed adjacent to the heat generating portion of a light source device. The second axial fan comprises an inner end and an outer end... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20070146640 - Display apparatus using lcd panel: A projection apparatus (10) has an illumination section with a light source (20) providing a substantially unpolarized illumination beam of multiple wavelengths. A multiple wavelength polarizer polarizes the substantially unpolarized illumination beam to provide a substantially polarized illumination beam of multiple wavelengths. A uniformizer conditions the substantially polarized illumination beam... Agent: David A. Novais Patent Legal Staff

20070146639 - Polarized, multicolor led-based illumination source: Light emitting diodes (LEDs) emit light at a first wavelength. A phosphor material close to LEDs converts at least some of the light to a second wavelength. The light at both wavelengths passes through a light collecting unit. A reflecting polarizer transmits both wavelengths in a first polarization state and... Agent: 3m Innovative Properties Company

20070146638 - Projection system using reflective polarizers: A projection system comprising a first imaging component, at least a second imaging component, and a color combiner. The first and second imaging components each comprise an imager and a reflective polarizer that is configured to at least partially separate a light beam from the imager into a first portion... Agent: 3m Innovative Properties Company

20070146642 - Method and apparatus for wireless image transmission to a projector: A method and apparatus is provided in which a digital image is transmitted to a presentation projector resource over a wireless transmission medium using a reduced amount of transmission bandwidth by transmitting a subset of the digital image data. The subset image data may be a delta subset that represents... Agent: Alleman Hall Mccoy Russell & Tuttle LLP

20070146643 - Vertically oriented 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 at the... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070146644 - Polarizing beamsplitter assembly: The invention is an optical unit that includes a polarizing beamsplitter (PBS). The PBS includes a reflective polarizer that transmits a portion of a light beam that has a first polarization and reflects a portion of the light beam that has a second polarization. A light absorbing device is operatively... Agent: 3m Innovative Properties Company

20070146646 - Digital annotation system and method: The present invention described herein features a digital annotation system, a digital annotation system incorporated in a projection device, and a method for providing digital annotation. A video processing chip includes a central processing unit configured to provide video processing and digital annotation.... Agent: 3m Innovative Properties Company

20070146647 - Backlighting system for a liquid-crystal display screen and corresponding display device: The invention relates to a backlighting system for a liquid-crystal display screen, comprising: an illumination source producing an illumination beam; an objective illuminated by said illumination beam; at least one folding mirror illuminated by the illumination beam coming from the objective; and a Fresnel lens capable of collimating and redirecting... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070146648 - Projector using a motor for driving an iris installed between a light source and a digital micro-mirror device: A projector includes a light source, a digital micro-mirror device, and an iris installed between the light source and the digital micro-mirror device. The iris includes a frame, a fixed plate fixed on the frame, a guiding rod fixed to the frame in a rotatable manner, a moveable plate having... Agent: North America Intellectual Property Corporation

20070146649 - Cube shaped lamp and projection device for single slide or digital projection: A lamp and projection device for a single slide or digital imaging means comprising six substantially identical faces assembled to form a cube body which supports an illumination system consisting of a light-emitting unit, a electrical transformer unit and switches, a plurality of reflecting mirrors and at least one condensing... Agent: Conley Rose, P.C.

20070146650 - Projection type imaging apparatus and projection type imaging method: According to one embodiment, a projection type imaging apparatus has a mask processing section which applies a digital processing operation to a given digital image signal, and carries out a mask processing operation for the digital image signal, a light emitting section which irradiates light, a DMD section which irradiates... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070146651 - Projector with rotatable lens module: A projector with a rotatable lens module is provided in this invention. The projector includes a lens module, a base module, and a connecting module. The connecting module connects the lens module and the base module such that the lens module and the base module are relatively rotatable with each... Agent: Hoffman Warnick & D'alessandro, LLC

20070146652 - Projection television device and screen: A front projection display device is provided including an image-generating source configured to generate an image, a wide angle lens system adapted to receive the image, and a screen. The wide angle lens system may be configured to increase distortion of the image in a first stage and decrease distortion... Agent: Alleman Hall Mccoy Russell & Tuttle LLP

20070146653 - Visual presenter: A visual presenter includes a body including a base and a support column on which an imaging camera is mounted, a stage which is separate from the body and is formed with a placement surface on which a material to be presented is placed, a positioner located on the base,... Agent: Koda & Androlia

20070146654 - Visual presenter: A visual presenter includes a base having a pivot shaft unit including a shaft support bracket, a support column mounted on the pivot shaft unit so as to be pivotable between a standing position and a forwardly-inclined position, a pivot shaft supported on the bracket, a wave washer inserted through... Agent: Koda & Androlia

20070146655 - Compact projection display with emissive imager: The present invention provides a system for reducing the size of a projection display system. This is achieved by using an emissive imager that comprises a large number of emissive pixels. The emissive pixels provide both light output and light modulation functions. This eliminates the need for a separate illumination... Agent: Motorola, Inc.

20070139617 - Lumen optimized stereo projector using a plurality of polarizing filters: A stereo 3D projector with the ability to provide the native lumen output of the projector when not in 3D mode. This is accomplished by using two rotating polarizing filters at least partially overlapping, each with at least two or more segments, some of which are fully transparent and at... Agent: Eugene I. Shkurko IBM Corporation

20070139616 - Method to synchronize stereographic hardware to sequential color rendering apparatus: A method and apparatus for extracting synchronization information at the output of a projection apparatus, without modifying its rotating color segmented filter wheel or drive electronics. Three photodiodes, each with a different principle color filter, is placed at the projector output to detect output of the different colors in the... Agent: Eugene I. Shkurko IBM Corporation - Ms P386

20070139619 - Noise immune optical encoder for high ambient light projection imaging systems: A method and apparatus for bitstream modulation of an infrared light source used by an optical sensor in a stereoscopic projection system, combined with a bitstream filter on the receiver electronics.... Agent: Eugene I. Shkurko Ibm-corporation - Ms P386

20070139618 - Signal synthesizer for periodic acceleration and deceleration of rotating optical devices: In a stereographic projector that places a single linear polarizing wheel in the light path of the projector to impart a desired polarization state onto the projected light, a method and apparatus for periodically slowing the wheel down while in optimal states, and accelerating through invalid states. Stereo separation is... Agent: Eugene I. Shkurko IBM Corporation - Ms P386

20070139620 - High contrast liquid crystal display and projection system using same: A projection system includes a projection lens unit, a color combiner, and at least a first and a second image-forming devices for generating single color images. The single color images are combined in the color combiner to produce a colored image light beam. The colored image light beam passes from... Agent: Attention: George W. Jonas Office Of Intellectual Property Counsel

20070139621 - Compact illumination and magnification device: A compact and portable device uniformly illuminates and magnifies the words, images, or other information on a surface, such as the words on a page of a book, while minimizing the amount of light transmitted beyond or away from the illuminated surface. The device employs a light transmitting body formed... Agent: Nixon Peabody, LLP

20070139622 - Rear projection type image display device: c

20070139623 - Projection display, projection optical system and transmission lens or free curved lens: A projection display is capable of suppressing both the trapezoidal distortion of an enlarged image projected on a screen by oblique projection and aberrations resulting from oblique projection and includes a projection optical system provided with lenses that can be easily manufactured and assembled. The projection optical system for obliquely... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070139625 - Method and apparatus to achieve a neutral dark state in image devices: An absorptive layer is added to an image system. The absorptive layer is selected to compensate for tint in a black state of the image. The absorptive layer is inserted in an image light stream (or light chain) and then tilted or rotated to precisely tune the band [bandwidth] of... Agent: Arthur Berman

20070139624 - Method and system for synchronizing opto-mechanical filters to a series of video synchronization pulses and derivatives thereof: A method and system for synchronizing rotating machinery or other electromechanical actuator devices to a series of sync pulses derived from a video stream comprising point optimized control laws.... Agent: Eugene I. Shkurko IBM Corporation - Ms P386

20070139626 - Cultural interactive panorama (culturama): CULTURAMA is an innovative panoramic display using PC. A set of interactive multimedia programs related to Egyptian and Arabic heritage are displayed on a semi circular screen with a diameter of 10 meters. The display is achieved using 9 regular video projectors driven by a single personal computer.... Agent: Woodcock Washburn LLP

20070139627 - Edge blending device, light shielding device and multi-projection system: An edge blending device which suppresses an increase in a luminance of a projection screen in an overlap area in which projection lights projected from a plurality of projection units onto a screen overlap each other, is characterized by including: a light shielding unit holder which includes light shielding pattern... Agent: Oliff & Berridge, PLC

20070132953 - Stereoscopic display apparatus using lcd panel: A stereoscopic imaging apparatus (200) has an illumination source (110) providing polarized illumination beams and at least one uniformizing element (22) for uniformizing first and second illumination beams. A left channel modulation apparatus (220l) modulates the first polarized illumination beam to provide the left eye portion of the stereoscopic image... Agent: Mark G. Bocchetti Patent Legal Staff

20070132955 - Image displaying apparatus and color separating-combining optical system: An image displaying apparatus is capable of maintaining the contrast ratios of displayed images even if the f-value of an optical system of the apparatus is lowered to provide bright images, efficiently utilizing a beam from a light source, minimizing the size and weight of the optical system, and being... Agent: Gary M. Nath The Nath Law Group

20070132954 - Projector and optical part: A projector includes an optical element, and a polarizing plate that is bonded to the optical element through an adhesive layer. The polarizing plate has a polarizing layer, and a support layer that is disposed on the polarizing layer close to the optical element so as to support the polarizing... Agent: Oliff & Berridge, PLC

20070132956 - High dynamic range display devices: A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. Elements of the light modulator may be controlled to adjust the intensity of light emanating from corresponding areas on the screen. The display may provide a high dynamic... Agent: Klarquist Sparkman, LLP

20070132960 - Liquid crystal panel and projector type display device: A liquid crystal panel to be demountably mounted to a projector type display device having a light source for emitting light and a light collecting unit collecting a plurality of single color lights out of the light emitted from the light source at a position between the light source and... Agent: Harness, Dickey & Pierce, P.L.C

20070132958 - Optical system for a digital light projection system including 3-channel and 4-channel led array light engines: An optical system for a digital light projection system is provided. The optical system comprises a plurality of LED arrays, wherein each LED array comprises a plurality of LEDs. The optical system also comprises an optical concentrator element positioned substantially adjacent to each of the LED arrays, wherein each concentrator... Agent: Matthew J. Esserman

20070132957 - Optical system for a digital light projection system including a 3-channel led array light engine: An optical system for a digital light projection system is provided. The optical system comprises a plurality of LED arrays, wherein each LED array comprises a plurality of LEDs. The optical system also comprises an optical concentrator element positioned substantially adjacent to each of the LED arrays, wherein each concentrator... Agent: Matthew J. Esserman

20070132959 - Optical system for a digital light projection system including optical concentrator elements having reflective aperture elements: An optical system for a digital light projection system is provided. The optical system comprises a plurality of LED arrays, wherein each LED array comprises a plurality of LEDs. The optical system also comprises an optical concentrator element positioned substantially adjacent to each of the LED arrays, wherein each concentrator... Agent: Matthew J. Esserman

20070132961 - Projection type display apparatus having micro mirror type display element: A projection type display apparatus includes a projection lens barrel holding a projection lens, a micro mirror type display element, and a main body which holds the micro mirror type display element and on which the projection lens barrel is mounted. The projection lens barrel is formed with a barrel-side... Agent: Birch Stewart Kolasch & Birch

20070132962 - Light source assembly, and image display apparatus incorporating same: A light source assembly includes: a plurality of point light sources; a beam composing composite prism including a plurality of light inlet surfaces, a plurality of dichroic planes, and a light outlet surface; and an optical integrator including a plurality of light reflecting planes forming a light guide path, a... Agent: Oliff & Berridge, PLC

20070132963 - Panel form light emitting source projector: A projection display module coupled to the control IC for the data projection. The projection display module includes three liquid crystal panels that perform image displays in red, green, and blue, respectively; light emitting sources are employed and positioned in correspondence with the liquid crystal panels, respectively. A prism is... Agent: The Maxham Firm

20070132964 - Projection tv with reduced cabinent dimensions: Described is a rear projection television with reduced cabinet depth and method of manufacturing thereof. An anamorphic projection lens compresses an image and projects it along an optic path, where a cylindrical mirror expands and reflects the image within the optic path. The combination of compression and expansion facilitates in... Agent: Texas Instruments Incorporated

20070132965 - System and method for displaying an image: A method of displaying an image with a display system includes receiving image data for the image. A plurality of sub-frames corresponding to the image data are generated based on a geometric relationship between a reference coordinate system and a plurality of projectors. The plurality of sub-frames are projected onto... Agent: Hewlett Packard Company

20070132967 - Generation of image data subsets: A method comprising generating a first image data subset using image data and first noise and generating a second image data subset using the image data and second noise is provided. The first and the second image data subsets are generated to cause the first noise and the second noise... Agent: Hewlett Packard Company

20070132966 - Image analysis for generation of image data subsets: A method comprising analyzing a portion of image data to identify a characteristic of the portion of the image data and determining an algorithm based on the characteristic is provided. The algorithm is configured to generate at least first and second image data subsets with distortion using the image data... Agent: Hewlett Packard Company

20070126986 - Image display system and method: An image display system comprises a first liquid crystal projector which projects a counterclockwise-rotating, circularly polarized light beam to form an image containing specific visual information on a screen and a second liquid crystal projector which projects a clockwise-rotating, circularly polarized light beam to form a white image on the... Agent: Fish & Richardson P.C.

20070126987 - Projection system and method for reducing optical noise in projection system: A projection system and method for reducing noise in the projection system are provided comprising a light source unit, an illuminator for collecting light supplied from the light source unit, a diffraction device for receiving light from the illuminator and recognizes an image, a projection lens for projecting the image... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070126988 - Display dock with integrated display screen: An apparatus for a display dock with an integrated display screen are disclosed herein.... Agent: Schwabe, Williamson & Wyatt, P.C.

20070126989 - Display device including a spatial light modulator with plural image regions: A display device includes a spatial light modulator and a light generator. The spatial light modulator may have an array of modulating elements with a plurality of image regions. The light generator may be configured to direct a different one of a plurality of substantially stationary light bands onto each... Agent: Hewlett-packard Company Intellectual Property Administration

20070126990 - Projection optical system and exposure apparatus with the same: A projection optical system comprises eight reflectors and forms a reduced image of a first surface (4) onto a second surface (7). It comprises a first reflective imaging optical system (G1) for forming an intermediate image of the first surface and a second reflective imaging optical system (G2) for forming... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070126991 - Color separation device, imaging optical engine, and projection apparatus: A color separation device according to the present invention comprises a first color separation member having a first polarization direction changing element and a second polarization direction changing element, and a first polarization separation element, and a second color separation member having a second polarization separation element. The first color... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070126992 - Slm projection display with series dmd illuminator: The addition of DMD illumination modulator(s) 702 in series with projection SLM(s) 706/709 to produce high-performance projection displays with improved optical efficiency, reliability, and lower maintenance requirements. This approach eliminates the vibration, audible noise, and safety problems associated with high speed rotating color filter wheels 203 commonly used in SLM... Agent: Texas Instruments Incorporated

20070126993 - Illumination system and optical projection apparatus: An illumination system including a light source module and a light integration rod disposed nearby the light source module is provided. The light source module includes a rotary table and multiple point light sources. The rotary table has a rotating shaft and the rotating shaft is surrounded by the point... Agent: J C Patents, Inc.

20070126994 - Optical device and projection system comprising the same: An optical device comprises a light source unit comprising a plurality of light sources, a light mixing unit that is formed on the light source unit and comprises a light guiding part guiding light emitted from each light source, and a light mixing part mixing the guided light. A supporter... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070126995 - Light generator of a projector: A structure of a light source for a projector includes a light source, a housing and a shade. The housing includes a transparent surface. The light source is disposed in the housing. The shade is disposed on the transparent surface for blocking part of light emitted from the light source.... Agent: North America Intellectual Property Corporation

20070126996 - Image display apparatus: Image display apparatus comprising projector means, at least one primary modulator (4, 6, 8) for modulating light, an auxiliary modulator (36) for modulating the light modulated by the primary modulator, and optical means (32) for relaying the light modulated by the primary modulator to the auxiliary modulator (36), the optical... Agent: Iandiorio & Teska

20070126997 - Digital micro-mirror device assembly and optical projection system using the same: An optical projection system is disclosed. The optical projection system includes a base, a lamp provided in the base, a DMD assembly provided at one side of the lamp to generate image light from light irradiated by the lamp, and a projection unit for projecting the image light formed through... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.