Optics: image projectors inventions 02/09

20090051878 - Stereo projection optical system: A stereo projection optical system, includes a first polarizing beam splitter configured for separating a light input into a first polarized light component and a second polarized light component; a first image assimilator positioned to receive the first polarized light component; a first image assimilator positioned to receive the second... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20090051879 - Viewing system for augmented reality head mounted display with rotationally symmetric aspheric lenses: The method and system focuses a projected image with a multiple rotationally symmetric aspheric surfaces and an ellipsoidal reflector-relay onto or in a user's eye. The image is projected from the first elliptical foci and is focused on the eye at the second foci. A peripherally mounted outboard projector unit... Agent: Robert C. Kain, Jr.

20090051880 - Projector and display device: A projector includes a transmissive heat exchange element having a transparent thermoelectric conversion layer consisting mainly of an oxide and an electrode for supplying the transparent thermoelectric conversion layer with a current, and an optical element, and cooling or heating of the optical element is performed using the transmissive heat... Agent: Advantedge Law Group, LLC

20090051881 - Image projection apparatus: The image projection apparatus includes a light source lamp including a discharge light emitting tube and a reflector, the discharge light emitting tube including a light emitting portion disposed inside of the reflector and an electrode portion disposed outside of the reflector, a cooling fan, and a duct configured to... Agent: Morgan & Finnegan, L.L.P.

20090051882 - Projection type video display apparatus: A projector comprises: a cooling fan for sucking ambient air through a filter; switching means for switching the operational mode of the cooling fan between a lowland mode and a highland mode; and control means adapted to obtain current fan voltage to determine the normal rpm value for that current... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090051883 - X-prism for use in projector: An x-prism provides four triangular prisms each of which includes a hypotenuse side, a first side surface adjoining the hypotenuse side surface, a second side surface perpendicular to the first side surface, a first end surface and an opposite second end surface, the first and second end surfaces being at... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20090051884 - Projection apparatus: A projection apparatus including an illumination system, a reflective light valve, a projection lens, and a color filter is provided. The illumination system has a light source for providing an illumination beam, and the reflective light valve is disposed on the transmission path of the illumination beam. The reflective light... Agent: J C Patents, Inc.

20090051885 - Light shield used in projector: A projector includes a casing, a light source, and a heat dissipation device. The light source and the heat dissipation device are installed inside the casing. Two openings are formed at two sides of the casing opposing to the light source. A light shield is positioned on one of the... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20090051886 - Illumination device and projector: An illumination device includes a light source device including an ellipsoidal reflector with a reflecting concave surface and a light emitting tube having an emission center in the vicinity of a first focal position of the ellipsoidal reflector, and defining a first focal position and a second focal position of... Agent: Advantedge Law Group, LLC

20090051887 - Projector and cover plate thereof: A projector and a cover plate thereof are disclosed. The cover plate includes a main lid, a pivot member and an auxiliary lid. The main lid has a lock portion and a window portion. The auxiliary lid has a side connecting to the pivot member. By means of the pivot... Agent: Bacon & Thomas, PLLC

20090046252 - Projector of an information display system in vehicles, in particular in aircraft: A projector of an information display system in vehicles, in particular in aircraft, for projecting images comprising information for passengers and/or crew onto a projection area which is arranged in the vehicle, with the use of a projection lens that images the image contents onto the projection area, which images... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20090046253 - Polarizing beam splitter, projection optical sysem, projection display: A polarizing beam splitter includes: first and second prisms each having first and second end surfaces serving as an input surface or an output surface of light and an opposed surface as side surfaces of a pillar-like member; and at least two parallel flat layers disposed in parallel between the... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090046254 - Projector system: An laser based image projection system for displaying images, which comprises an LCD device and projection optics. By introducing a diffuser between the LCD device and the projection optics, the quality of the projected image is improved. The visibility of material imperfections in the optical the beam path, which were... Agent: Philips Intellectual Property & Standards

20090046255 - Projector: A projector includes a cooling device for performing cooling of a target object housed inside a housing, a first temperature sensor disposed in an anterior stage of the target object on a cooling path formed by the cooling device inside the housing, and for measuring a first detection temperature in... Agent: Advantedge Law Group, LLC

20090046256 - Projector and projector circuit board thereof: One embodiment of the invention discloses projector circuit boards comprising an image receiving terminal, a central processing unit, a motor driving module, a DMD and a DMD control module. The image receiving terminal receives an image signal and transmits the received image signal to the central processing unit. The central... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090046257 - Projection device: A projection device includes a light source emitting light beams, a display element displaying images according to video signals, an adjustable collimator arranged between the light source and the display element, and a condensing lens unit arranged between the adjustable collimator and the display element. The adjustable collimator collimates the... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20090046259 - Method to reduce rf noise generation and required peak laser output in raster scan portable projectors: A method and apparatus that projects a two-dimensional image is disclosed. The method may include emitting a laser beam, sweeping the laser beam with a first scan mirror along a first scan direction to form a scan line on the projection surface, and sweeping the scan line with a second... Agent: Prass LLP

20090046258 - Video display system with an oscillating projector screen: An apparatus for displaying images from a video projector. The apparatus includes a virtual projector screen assembly with an elongate screen element, such as a rod, that is mounted at one end to a base. The base is adapted for pivoting about its axis, arid a driver mechanism pivots the,... Agent: Disney Enterprises, Inc. C/o Marsh Fischmann & Breyfogle LLP

20090040464 - Compensation element adjustment mechanism and projector: A compensation element adjustment mechanism used with a light modulation device and a polarization plate includes: an optical compensation element disposed between the light modulation device and a polarization plate; a frame for supporting the optical compensation element, and having a pair of shaft members disposed at positions opposed to... Agent: Advantedge Law Group, LLC

20090040463 - Illumination system of led for projection display: An illumination device and a projection system using the same are provided. The illumination device comprises a first light source module, a second light source module and a dichroic element. The first light source module comprises a first carrying board and a plurality of first light-emitting units disposed thereon for... Agent: Rabin & Berdo, PC

20090040465 - Polarized, led-based illumination source: An illumination source includes a number of light emitting diodes (LEDs) operating at a first wavelength. Light from the LEDs illuminates a phosphor material that generates light at a second wavelength. A reflective polarizer transmits light at the second wavelength in a first polarization state and reflects light at the... Agent: 3m Innovative Properties Company

20090040466 - Image display device: an excitation light wavelength band reflector having a function to reflect light in a wavelength band of the excitation light toward the screen, and formed on an output side of a light beam from the light irradiation system with respect to the screen. The visible light output from the second... Agent: Harness, Dickey & Pierce, P.L.C

20090040467 - Projector and projection unit: A projector includes: a light source which emits light; an image forming unit which forms an image having desired size by using light emitted from the light source; and a projection unit which projects the image formed by the image forming unit on a light receiving surface. The projection unit... Agent: Oliff & Berridge, PLC

20090040468 - Image projection apparatus: The image projection apparatus includes a temperature detector that detects a temperature inside of the apparatus, and a controller that performs a protection operation when the temperature detected by the temperature detector is higher than a predetermined temperature. The controller measures an elapsed time from when a power of the... Agent: Morgan & Finnegan, L.L.P.

20090040469 - Projection display apparatus and controlling method for projection display apparatus: According to one embodiment, a projection display apparatus comprises an optical system configured to modulate light from a light source in accordance with an input image signal and to project modulated light onto a screens a cooling fan configured to cool the optical system, an error detector configured to detect... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090040470 - Projecting apparatus: A projecting apparatus cooling structure is provided in which a discharge lamp can be always kept at an appropriate temperature whether the projecting apparatus is horizontally installed on a flat surface for forward projection or for downward projection or suspended from the ceiling for forward projection or for upward projection,... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090040471 - Image projection apparatus: The image projection apparatus includes an exhaust air outlet through which an exhaust air flows out from an inside of the apparatus to an outside thereof, an air inlet through which an external air flows in from the outside of the apparatus to the inside thereof, a temperature detector which... Agent: Morgan & Finnegan, L.L.P.

20090040472 - Projection display apparatus: A portable projection display apparatus (100) of the present invention comprises: a projection device (8) including an image forming means (2) for forming image light and an optical lens system (7) which projects the image light, obtained by the image forming means, toward a projection surface (S1); a swinging detecting... Agent: Mcdermott Will & Emery LLP

20090040473 - Projection image display apparatus: A projection image display apparatus includes a lens unit into which light modulated in accordance with an image signal is entered, a first reflecting mirror having a reflecting surface into which the light passing through the lens unit is entered and by which the light is converged, a second reflecting... Agent: Mots Law, PLLC

20090040475 - Control system, projector, program, and information storage medium: A control system includes a principal light source for outputting light to a light path used for image projection, an auxiliary light source for outputting light to the light path, and a control section for controlling light intensity of the auxiliary light source, and the control section performs one of... Agent: Advantedge Law Group, LLC

20090040474 - Image display device: An image display device includes a lighting section including a light source, a light modulation section that modulates light emitted from the lighting section in accordance with an image signal to form an image, and a scintillation reduction section that reduces the scintillation caused by the light emitted from the... Agent: Advantedge Law Group, LLC

20090040476 - Projector apparatus and control method for projector apparatus: According to one embodiment, a projector apparatus comprises a modulator configured to modulate light emitted from a light source in accordance with an image signal, a projection lens configured to project an optical image emitted from the modulator, a detector configured to detect whether or not an optical path of... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090040477 - Laser module, illumination device, and projection display device: Disclosed is a light source module including a first light emission unit having a first laser light source, and a first cooling part on which the first laser light source is mounted; a second light emission unit having a second laser light source, and a second cooling part on which... Agent: Mots Law, PLLC

20090040478 - Discharge lamp, light source device and projector: A discharge lamp includes: an emitting portion in which a pair of electrodes are disposed, an electric discharge being generated between the pair of electrodes so as to emit light; at least either one electrode of the pair of the electrodes including: a small-diameter portion; and a large-diameter portion provided... Agent: Oliff & Berridge, PLC

20090040479 - Adjustment module for adjusting a position of a lens of a projector: An adjustment module is capable of adjusting a position of a lens of a projector. The adjustment module includes a base, a first tray, a second tray, at least one guide roller, and at least one boundary constrainer. The first tray is slidably disposed on the base along a first... Agent: Jianq Chyun Intellectual Property Office

20090033873 - Multi-perspective rear projection system for autostereoscopic reproduction of three-dimensional displays: Disclosed is a multiperspective backprojection system for autostereoscopically displaying three-dimensional representations. Said backprojection system comprises a backprojection screen (2) and an image generation unit (1) which is disposed behind the backprojection screen (2) and is provided with a projector (7a to 7p) for each perspective of the three-dimensional representations. The... Agent: Michael J. Striker

20090033874 - System and method of projecting an image using a plurality of projectors: A device and method is provided for projecting an image within a defined content area using a plurality of projectors configured to each project a portion of an image. The device comprises a defined content area into which the image is projected by the plurality of projectors. A first group... Agent: Hewlett Packard Company

20090033876 - Illuminator and projection display employing it: An illuminator includes a color composition prism (24) consisting of first to third prisms (21-23), a red light emitting diode (1), a blue light emitting diode (2) and a green light emitting diode (3) emitting three light beams having different spectrum intervals, a first optical thin film (31) formed on... Agent: Hamre, Schumann, Mueller & Larson P.C.

20090033875 - System and method for utilizing a scanning beam to display an image: A method includes generating a plurality of beams that each illuminate a separate portion of a spatial light modulator. The spatial light modulator has a first dimension of a first length and a second dimension of a second length. Each of the beams spans a portion of the first length... Agent: Texas Instruments Incorporated

20090033877 - Mobile terminal having projector and method for controlling the same: A mobile terminal including: a main body having a wireless communication module; and a projector mounted at the main body and projecting beams to display an image on an image display region separated from the main body, wherein when an operation mode is being executed while the image is being... Agent: Lee, Hong, Degerman, Kang & Waimey

20090033878 - System configurations and methods for controlling image projection apparatuses and mirror device: A projection apparatus comprises a light source for emitting an incident light and a deflectable element for reflecting the incident light. The projection apparatus further includes an electric circuit for applying a voltage to deflect the element and to turn off the voltage used during a period when the light... Agent: Bo-in Lin

20090033880 - Mobile communication terminal having projector: A radiation structure of a mobile communication terminal having a projector which rapidly dissipates heat generated from the projector and other elements built into the terminal. The mobile communication terminal includes a projector implementing an image-projection function, and a projector cover, which is composed of a heat conductive material such... Agent: Cha & Reiter, LLC

20090033879 - Projector apparatus and control method for projector apparatus: According to one embodiment, a projector apparatus comprises an input detector configured to detect input of an image signal, a light source, a modulator configured to modulate light emitted from the light source, a cooling unit configured to cool the light source and the modulator, a power controller configured to... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090033881 - Projection display device and display method: According to one embodiment, a projection display device comprises a light modulator configured to receive light from a light source and emit an optical image modulated based on an image signal, a projector configured to project the optical image emitted from the light modulator onto a screen, and a correction... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090033885 - Projection apparatus and image projection changeover method: The present invention provides a projection apparatus, comprising: a light source; a spatial light modulator for modulating the incident light emitted from the light source; a spatial light modulator control unit for generating, from an inputted image signal, a control signal for driving the spatial light modulator; and a light... Agent: Bo-in Lin

20090033883 - Projection apparatus and method for activating a projection apparatus: A projection apparatus includes an illuminating unit, an imaging unit, a lens unit, and a control unit. The illuminating unit includes a light source, and a light source driving module operable to drive the light source to provide an illumination beam. The imaging unit is operable so as to modulate... Agent: Ladas & Parry

20090033882 - Projection device: A projection device comprises a first lens assembly movably disposed within a housing and configured to automatically activate the projection device to display an image in response to the first lens assembly being moved to an extended position relative to a second lens assembly.... Agent: Hewlett Packard Company

20090033884 - Projector: A projector that includes a laser beam source that outputs a laser beam that is modulated based on an image signal and a screen on which the light beam is projected. The projector also includes a scanning unit that scans the laser beam within a predetermined surface and a scan... Agent: Oliff & Berridge, PLC

20090033886 - Image projection system for use with a light post: There is provided an image projection system for use with a light post disposed adjacent a thoroughfare. The image projection system includes a projection device configured to project an image for observation by a viewer on the thoroughfare. A projection device support member is connected to the projection device and... Agent: Stetina Brunda Garred & Brucker

20090033887 - Projection optical system: A projection optical system includes a digital micro-mirror device and a light blocker disposed along the light path of the digital micro-mirror device. The digital micro-mirror device includes a base having a plurality of outer pads, a micro-mirror array disposed on the base, and a plurality of bonding wires. The... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20090033888 - Projecting apparatus: A projecting apparatus includes: a projection unit that projects an image formed by an optical image formation element; an attitude detection device that detects an attitude of the projection unit, and outputs a detection signal; and a rotation device that rotates a projected image that is projected from the projection... Agent: Oliff & Berridge, PLC