Optics: image projectors inventions 07/08

20080180636 - Image-combining device and projection display apparatus having image-combining devices incorporated therein: An image-combining device comprising of a polarizing beam-splitter, two waveplates and two reflective micro-electro-mechanical display panels is described. It combines images with orthogonally polarized light. Projection display apparatus having such image-combining device(s) are used to project two-dimensional or three-dimensional images with orthogonally polarized light.... Agent: Marks & Clerk

20080180637 - Method and apparatus for indoor navigation: Techniques are provided for providing physical routes to target locations. The techniques include obtaining at least one target location from at least one user; determining at least one physical route to said at least one target location; and displaying said at least one determined physical route through a sequence of... Agent: Ryan, Mason & Lewis, LLP

20080180638 - Liquid crystal projection system: A liquid crystal projection system includes a light source module, a light management module, an image signal module and a projection lens. The light source module provides an illumination light beam of first polarization state. The light management module includes a color separator for separating the illumination light beam into... Agent: Madson & Austin

20080180639 - Projection optical system, projection unit, and projection display device: An optical position of a display device with respect to an optical axis of a projection optical system is displaced in a direction perpendicular to the optical axis in accordance with a change in the size of a projected image. For instance, a transparent flat plate is disposed in front... Agent: Mots Law, PLLC

20080180640 - Projector: A projector includes: a light source which emits light containing visible light and infrared light; a light time division unit which divides light emitted from the light source into one or more visible lights having different wavelength ranges and one or more infrared lights having different wavelength ranges in a... Agent: Oliff & Berridge, PLC

20080180641 - Triple mono-color light source projector: A projection display module coupled to a control IC for data projection. The projection display module includes three liquid crystal panels that perform image displays in red, green, and blue, respectively, and light emitting sources that are employed and positioned in correspondence with the liquid crystal panels, respectively. A prism... Agent: The Maxham Firm

20080180642 - Illumination field blending for use in subtitle projection systems: A projection system that projects a text or subtitle box onto an image minimizes the contrast between the text box and the image. A transition region surrounding the text box minimizes visual disruption to the image onto which the text box is projected. The positions of optical elements of a... Agent: Perkins Coie LLP Patent-sea

20080180643 - Projection display apparatus and method: Not only abnormality of a light output to an exterior but also overturning, vibration, disassembly, deformation, or breakage of a display apparatus including a case and a screen are reliably and promptly detected. A projection display apparatus includes a light source (22) for generating illumination light, which is provided in... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080174735 - Projection display with holographic screen: A projection display system includes (1) a polarizer, (2) a holographic screen with holographic optical elements having the properties of a display portion and a polarizing portion, and (3) a projector for projecting an image through the polarizer and onto the holographic screen. The polarizing portion of the holographic screen... Agent: Patent Law Group LLP

20080174736 - Mobile charge induced periodic poling and device: Devices and methods are disclosed for realizing a high quality bulk domain grating structure utilizing mobile charges that are generated by means of photo-excitation in a substrate. An effect of light exposure (UV, visible, or a combination of wavelengths) is to generate photo-induced charges. The application of a voltage across... Agent: Heller Ehrman LLP

20080174738 - Laser light source apparatus, and monitoring apparatus and image display apparatus using the same: A laser light source apparatus includes a first laser array light source that emits first-wavelength light, and a second laser array light source that emits second-wavelength light, the second wavelength being different from the first wavelength. The first laser array light source includes a first fundamental wave laser array that... Agent: Oliff & Berridge, Plc

20080174737 - Role playing projector toy: A role playing projector system projects an image such that a person may engage in role playing as though they are within the projected image. The system has a number of slides and a projector capable of sequentially projecting the image on each of the slides onto a display surface.... Agent: Lackenbach Siegel, LLP

20080174739 - Projection display apparatus: A projection display apparatus that projects an image on a screen includes at least three light sources that emit light beams of different wavelengths, at least three optical units that convert the light beams emitted from the at least three light sources into substantially collimated light beams, a beam-combining unit... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080174741 - Optical device and projector: A projector, includes: a light source device; an optical device that modulates a light beam irradiated from the light source device in accordance with image information; and a projection optical device that projects the light beam modulated by the optical device. The optical device includes: an optical element optically converting... Agent: Oliff & Berridge, Plc

20080174740 - Projector: A projector projecting several images simultaneously is provided. The projector includes a main body having a first opening and a second opening, and an optical system disposed in the main body and projecting a first image through the first opening and a second image through the second opening. The optical... Agent: Quintero Law Office, Pc

20080174742 - Projector: A projector includes a light source that emits light including visible light and infrared light, a light separating unit that separates the light from the light source into lights in plural different wavelength regions, at least one light modulation element for visible light that modulates visible light separated by the... Agent: Oliff & Berridge, Plc

20080174743 - Light source apparatus, optical apparatus, and image projection apparatus: A light source apparatus is disclosed which allows effective cooling of an arc tube even with a small amount of wind. The light source apparatus has a light emitter and a reflector which reflects light from the light emitter and causes the reflected light to emerge. The light source apparatus... Agent: Morgan & Finnegan, L.l.p.

20080174744 - Image displaying apparatus and control method thereof: An image displaying apparatus, includes: a light source which emits light; a wheel unit which comprises a color wheel rotating and having a plurality of color regions to convert light emitted by the light source into color light; a display unit which receives the color light converted by the plurality... Agent: Sughrue Mion, Pllc

20080174745 - Digital light projector with improved contrast: A system and method for projecting light including an arrangement for illuminating an array of digital micro-mirror devices with light; projecting light reflected by the array elements in an ‘on’ state thereof; and trapping light reflected by the array elements in an ‘off’ state thereof. The light trap is implemented... Agent: Benman, Brown & Williams

20080174746 - Method for projecting an image from one of a plurality of hosts and projection device thereof: A method for projecting an image transmitting from one of a plurality of hosts by a projection device is disclosed. The method includes: (a) the plurality of hosts each logging into the projection device using wireless communication technology; (b) selecting a first host among the plurality of hosts connected to... Agent: North America Intellectual Property Corporation

20080174747 - Printer and printer system: A printer includes a printing unit that prints information upon an element to be printed upon; a projection unit that projects an optical image in a position that is different from a position of the element to be printed upon in which position the printing unit is printing the information;... Agent: Oliff & Berridge, Plc

20080170207 - Light source apparatus and projector: A light source apparatus includes a light source unit that supplies light having a first wavelength, a wavelength conversion element that converts the light having the first wavelength into the light having a second wavelength different from the first wavelength, and a wavelength separator that separates the first-wavelength light from... Agent: Oliff & Berridge, PLC

20080170208 - Light source device, lighting device, monitoring device, and projector: A light source device includes: a light source unit which supplies light; a support unit which supports the light source unit; a covering unit which covers the light source unit; a wiring unit which connects a current supply section for supplying current to the light source unit and the light... Agent: Advantedge Law Group, LLC

20080170209 - Image display system, image output system, and image display method: An image display system includes an image output device for outputting image information, an image display device for displaying an image corresponding to the image information, and a transmission section that connects the image output device and the image display device to each other in a manner capable of transmission... Agent: Oliff & Berridge, PLC

20080165325 - Subway information/advertisement project: For better comfort of passengers on the subway, a projector can be used. It can be mounted in the wall of the wagon so the image would appear outside on the well prepared wall of the subway tunnel. The wall of the tunnel needs to be prepared and painted white.... Agent: Taras Vaylagya

20080165326 - Image display apparatus and image pickup apparatus using the same: Provided is an image display apparatus, including: a light source for emitting a modulated light beam based on image information; a conversion optical system for converting the light beam from the light source into a convergent light beam; a scanning member for two-dimensionally scanning the light beam from the conversion... Agent: Morgan & Finnegan, L.L.P.

20080165327 - Light source device and image display device: A light source device includes a light emitting section having at least one light emitting element for emitting a laser beam perpendicularly to an emission surface in laser oscillation, an external resonator for selectively returning light with a specific wavelength to the light emitting element, thereby causing the laser oscillation... Agent: Oliff & Berridge, PLC

20080165328 - Projection apparatus: A projection apparatus including a light source set for providing a first light beam and a second light beam, a light integration rod having a light incident section and a light exit section, a light valve and a projection lens is provided. The light incident section is separated into two... Agent: Jianq Chyun Intellectual Property Office

20080165329 - Projection type display apparatus and optical unit: In this way it is possible to provide a projection type display apparatus or an optical unit each capable of attaining the reduction of cost by minimizing the number of optical parts used and capable of attaining a high luminance by irradiating the image display element with the light emitted... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080158510 - Apparatus and method for displaying information within a vehicle interior: An apparatus for displaying information within a vehicle interior includes a surface having a coating for emitting visible light when excited by an ultraviolet (UV) light beam, and a laser projection device (LPD) for generating and directing the UV light beam onto the coating to display information on the surface.... Agent: Quinn Law Group, Pllc

20080158511 - Image projecting apparatus: Provided is an image projecting apparatus, including: a polarization separator having a polarization separation surface which transmits or reflects illumination light and reflection light reflected from a reflective image display unit according to polarization directions of the illumination light and the reflection light; and a polarization direction rotating member, disposed... Agent: Sughrue Mion, Pllc

20080158512 - Two-dimensional image formation device: A two-dimensional image formation device of the present invention is provided with a spatial light modulation element (7) for modulating light having a linear polarization and emitted from a laser light source (1), and a depolarization means (21) for depolarizing the modulated light before it is incident on an image... Agent: Steptoe & Johnson LLP

20080158513 - Apparatus and method for reducing speckle in display of images: An apparatus and method of reducing speckle in projection of images is provided that includes the elements or features of producing a first image and displacing the first image to produce a second image that will reduce speckle relating to the first image when the first image and the second... Agent: Texas Instruments Incorporated

20080158515 - Methods and systems for imaging: An imaging system (100) for displaying colour images is described. The imaging system (100) comprises an illumination source (102) for generating an illumination beam, an illumination splitting means (106) typically for generating different primary colour illumination beams and a plurality of image modulators (104a, 104b, 104c). The illumination splitting means... Agent: Bacon & Thomas, Pllc

20080158514 - Projection illumination device and method for projection visual display system using multiple controlled light emitters having individual wavelengths: A method for compensating for a shift in color in a light source and a system of color illumination for a projection visual display (PVD) system. In one embodiment, the method includes: (1) field sequentially operating an array of emitters to generate a sequence of light beams, each light beam... Agent: Texas Instruments Incorporated

20080158516 - High brightness display systems using multiple spatial light modulators: The display system separates reflected and transmitted light from a color wheel of the display system; and modulates the separated reflected and transmitted light components using separate spatial light modulators so as to achieve high brightness.... Agent: Texas Instruments Incorporated

20080158517 - Projector and method for igniting lamp: The invention discloses a method for igniting a lamp of a projector. The method includes steps of: (a) sensing a first temperature difference in response to power-off of the projector; (b) in response to power-on of the projector, detecting an aftercooling time and judging whether it is smaller than a... Agent: Hoffman Warnick Llc

20080158518 - Rear projector: A rear projector for performing image projection includes: a screen and a projection optical system. The screen has a rotationally symmetric Fresnel lens. The projection optical system has at least one reflection surface formed of a rotationally asymmetric free curved surface. The projection optical system is nonaxisymmetric and makes a... Agent: Sidley Austin LLP

20080158519 - Laminated micromirror package: A system and method of aligning a micromirror array to the micromirror package and the micromirror package to a display system. One embodiment provides a method of forming and utilizing a package that exposes regions of an alignment reference plane. The device within the package is mounted on the reference... Agent: Texas Instruments Incorporated

20080158521 - Image projection lighting devices with visible and infrared imaging: A lighting system comprised of a central controller, a digital communications path, and a plurality of image projection lighting devices (IPLDs) is provided. The IPLDs contain cameras that can capture both visible light and infrared light. Address signals sent from the central controller first address a particular IPLD and then... Agent: Walter J. Tencza Jr. Suite 210

20080158520 - Light tunnel: An exemplary light tunnel includes at least three reflectors arranged one adjoining the other in sequence, thereby forming a corresponding at least three-sided enclosed conduit structure. At each of a plurality of junctions where a first adjoining reflector and a second adjoining reflector adjoin each other, an end portion of... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang

20080158522 - Laser projector for controlling power to drive laser diodes and method thereof: A laser projector which controls power to a plurality of light sources and a method thereof are provided. The laser projector includes a plurality of light sources, a sensing unit, a power supply unit which supplies power to each of the light sources, and a control unit which adjusts the... Agent: Sughrue Mion, Pllc

20080158524 - Laser projection apparatus: A laser projection apparatus includes: laser devices; incident optical systems, each of which is supplied with light beam from the laser device; a scanning device for two-dimensionally scanning the light beam; and a projection optical system for projecting the light beam from the scanning device onto a screen; wherein the... Agent: Sidley Austin LLP

20080158525 - Laser projection apparatus: A laser projection apparatus PJ includes: laser devices; incident optical systems, each of which is supplied with light beam from the laser device; a scanning device for two-dimensionally scanning the light beam; and a projection optical system for projecting the light beam from the scanning device onto a screen; wherein... Agent: Sidley Austin LLP

20080158523 - System and method for displaying images: System and method for thin projection display systems. An embodiment comprises a light source, an array of light modulators optically coupled to the light source, a lensed mirror optically coupled to the array, and a controller electronically coupled to the array and to the light source. The array produces images... Agent: Texas Instruments Incorporated