Optics: image projectors inventions 03/08

20080074622 - System and method for projector lamp safety interlock: An information handling system projector lamp housing includes a safety interlock to reduce the risk of electrical shock to an end user during lamp insertion and removal. A ballast disposed in the projector interfaces with a low voltage power supply through a ballast power supply circuit and transforms the low... Agent: Hamilton & Terrile, LLP

20080074623 - Projection display and adjusting method thereof: A projection display includes a projection unit projecting an image on a screen, an image processor capable of adjusting an image display area where an image is projected on the screen by processing an image signal to be input to the projection unit, and an image-outline adjusting mechanism supporting the... Agent: Birch Stewart Kolasch & Birch

20080074624 - Optical projection apparatus and total internal reflection prism thereof: A total internal reflection prism of a projection apparatus including a first prism, a second prism and a total-reflection-inhibiting layer is provided. The first prism has a first surface, a second surface and a third surface. The second prism has a light incident surface and a light-emitting surface opposite to... Agent: Jianq Chyun Intellectual Property Office

20080074625 - Projection apparatus: A projection apparatus including an illumination system, a light valve, a first optical element, a first projection lens, and a second projection lens is provided. The illumination system is suitable to provide an illumination beam, and the light valve is disposed on a transmission path of the illumination beam. The... Agent: Jianq Chyun Intellectual Property Office

20080074626 - Color wheel module for use in an optical engine and said optical engine: A color wheel module and an optical engine comprising the same are disclosed. The optical engine comprises a frame and a color wheel module, wherein the color wheel module comprises a color wheel, a connecting device, and a supporting chassis. The color wheel connects to the supporting chassis. The supporting... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20080074627 - Light source driving method: A light source driving method for controlling a first and a second light source assembly of a projection apparatus to turn on and off at least once during each 1/n frame time is provided. The first light source assembly includes first color light sources and third color light sources, while... Agent: Jianq Chyun Intellectual Property Office

20080074628 - Projector: A projector includes a light source device that includes: a light emission tube which has a tube spherical portion and a pair of sealing portions, and a reflector which reflects light emitted from the light emission tube toward an illumination-receiving area; an electro-optic modulating device that modulates illumination light emitted... Agent: Oliff & Berridge, PLC

20080074621 - Micro-mirror device with selectable rotational axis: A mirror device includes a controller to control and operate a changeover of the direction of the deflection axis of a mirror and/or the deflection direction thereof. And a display apparatus includes at least one of the mirror devices for modulating and reflecting a display image from the mirror devices.... Agent: Bo-in Lin

20080068562 - Image processing system, image processing method, and program product therefor: An image processing system includes: a projecting portion that projects image data; a first image recording portion that records a projection region of the projecting portion as first image data, at first resolution; a second image recording portion that records the projection region of the projection portion as second image... Agent: Sughrue Mion, PLLC

20080068563 - Projection optical system and image projecting apparatus: A projection optical system including a first optical system configured to form a second image conjugate to a first image and a second optical system configured to include a reflective optical element which reflects light from the second image and to project a third image conjugate to the second image... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080068564 - Projection optical system and image projecting apparatus: A projection optical system including a first optical system configured to form a second image conjugate to a first image and a second optical system configured to include a reflective optical element which reflects light from the second image and to project a third image conjugate to the second image... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080068565 - Micro display device: Provided is a micro display device. The device includes a controller for controlling a whole operation; an interface for receiving an image signal; a micro display for receiving the image signal from the interface; and an optical system for receiving the image signal from the micro display, and magnifying the... Agent: Park Law Firm

20080068566 - System and method for operating photo-addressable epaper environment: A system for providing a dynamic audio-visual environment using an eSurface situated in a room environment; a projector situated for projecting images onto the eSurface; a camera situated to picture the room environment; a central processor coupled to the eSurface, the projector and the camera. The processor receives pictures from... Agent: Sughrue Mion, PLLC

20080062385 - Method of monitoring polarization performance, polarization measurement assembly, lithographic apparatus and computer program product using the same: The invention relates to a method of monitoring a polarization performance of an optical system in a lithographic projection apparatus. The lithographic projection apparatus has an illumination system configured to condition a radiation beam and a support constructed to support a patterning device. The patterning device is capable of imparting... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080062386 - Display device and projector: A display device for modulating irradiation light with a spatial light modulation element to form an optical image, and displaying the optical image, includes a light source for emitting the irradiation light including four kinds of colored light having wavelength ranges within a visible range and different from each other,... Agent: Oliff & Berridge, PLC

20080062387 - Electronic device and projector: An electronic device. The electronic device includes a housing, a light source and at least one heat-dissipating member. The light source is disposed in the housing, emitting light. The heat-dissipating member is disposed in the housing for lowing operating temperature of the electronic device and preventing light from escaping the... Agent: Quintero Law Office, PC

20080055546 - Dynamic projector refresh rate adjustment via pwm control: An apparatus and method for stereoscopic 3D image projection and viewing using a single projection source, alternating polarization, and passive eyewear. This approach is applicable to frame sequential video created using existing 3D graphics APIs, as well as other video signal formats, and is compatible with existing digital light processor... Agent: International Business Machines Corporation

20080055550 - Microprojector: A microprojector comprising an illumination optical system, including light sources for green, red and blue laser light beams, first through third focusing lenses arranged in the optical path of the light beams, first through third mirrors diverting the light beams to a rear side of the microprojector, a reflection mirror... Agent: Drinker Biddle & Reath LLP Attn: Patent Docket Dept.

20080055551 - Optical element, method of manufacturing the same, and projector: An optical element includes a first substrate, a second substrate, a retardation plate made of an inorganic material, having refractive index anisotropy, and having a thin plate like main part to be disposed between the first substrate and the second substrate, the main part being formed to be thin in... Agent: Oliff & Berridge, PLC

20080055549 - Projection display with an inorganic, dielectric grid polarizer: A projection display or modulation optical system includes a spatial light modulator and an inorganic, dielectric grid polarizer. The spatial light modulator selectively encodes image information on a polarized incident light beam and the inorganic, dielectric grid polarizing beam splitter separates the image information from the beam and produces a... Agent: Thorpe North & Western, LLP.

20080055552 - Projection type image display apparatus: An openable lid is provided to cover an opening formed in the upper end of a casing of a projection type image display apparatus. Formed on the base of the casing and underneath the opening is a first mount section, on which a plinth is mounted with fixing screws. A... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080055553 - Projection type image display apparatus: Elements of an optical system (12) of a projection type image display apparatus are stored in an optical system storage (46) having an upper opening in such a way that the optical element to be arranged close to a light source is fitted in the frame provided in the high-temperature... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080055554 - Full scale plan projection: A full scale plan projection system includes a processor and projector for displaying full scale building plans at a construction site or in a showroom to allow construction workers, clients, or prospective buyers to visualize completed projects. The full scale plan projection may be used by inspectors to compare as-built... Agent: Marshall, Gerstein & Borun LLP

20080055556 - Image display device: An image display device includes: a laser light source having a plurality of emitting sections arrayed in a predetermined direction; and a light modulation device that includes an illumination region extending in a longitudinal direction and a lateral direction, and that modulates the laser lights emitted from the laser light... Agent: Oliff & Berridge, PLC

20080055555 - Projection display apparatus and image forming apparatus: A projection display apparatus includes an image forming section that forms an image based on image information received from an external device, and a projection lens that projects the image formed by the image forming section. The projection display apparatus includes a substrate, a plurality of light emitting elements, a... Agent: Rabin & Berdo, PC

20080055558 - Projector apparatus: The projector apparatus of the invention constructs colored imaging light by splitting a beam of light received from a light source into beams of three primary colors and inputting the beams of three primary colors in an image synthesizing device via light adjusting means. The image synthesizing device includes a... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080055559 - Rear projection display device: A rear projection display device (1) includes a screen (10), a projection engine (11) for producing an image light beam, a projection lens (12), and reflectors (13, 14) for projecting the image light beam onto the screen. The projection engine and the projection lens are positioned in rear of the... Agent: Madson & Austin

20080055560 - Projection type image display apparatus: A projection type image display apparatus has a light source unit (11) that includes an arc tube (110) enclosed by a reflector (111) for reflecting the light emitted from the arc tube in one direction through its opening (111a). The opening (111a) of the reflector (111) of the light source... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080055561 - Projector apparatus: The invention enables efficient cooling of: a light source providing source light; an optical system adapted to split the source light received from the light source into three primary colors R, G, and B; and a power supply unit for supplying electric power to various electric components installed in a... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080055563 - Projector: A projector includes: an optical component; a sealed structure within which the optical component casing is disposed, the sealed structure including: a loop air-circulation path in which air is circulated; an optical component casing having an inlet for the air to flow into the optical component casing and an outlet... Agent: Oliff & Berridge, PLC

20080055564 - Interactive document camera and system of the same: An interactive document camera system includes a document camera, a display panel, and a handwriting sensor module. The document camera can simultaneously output an image of an object and a handwriting input obtained from the handwriting sensor module. The inactive document camera system further includes a computer system so that... Agent: Kirton And Mcconkie

20080055565 - Projection system and methods: A projection system has a housing and a projector removably, pivotally attached to the housing. The projector can pivot relative to the housing between a first position, where a light outlet of the projector is covered by the housing, and a second position, where the light outlet of the projector... Agent: Hewlett Packard Company

20080055566 - Mobile terminal equipped with optical modulator-based projector: Disclosed herein is a mobile terminal equipped with an optical modulator-based projector. The mobile terminal includes a control system, a projection control system, and an optical modulation system. The optical modulation system produces light and produces an image by modulating the produced light in response to the drive control signal... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20080055567 - Light source device and image display device: A light source device includes: a plurality of light emitting elements that emit laser light; and a wavelength selective element that includes a light selective region functioning as a resonator mirror of the light emitting element by selecting light of predetermined selective wavelength from the laser light emitted from one... Agent: Oliff & Berridge, PLC

20080055569 - Projector: l

20080055547 - Stereoscopic display device and method: In a one-dimensional IP (vertical disparity discarding system), it is made possible to obtain a perspective projection image with no distortion or reduced distortion. A stereoscopic display device is provided with a display device including a display plane in which pixels are arranged flatly in a matrix shape; and a... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080055548 - Projector and method of controlling ultrasonic speaker in projector: A projector having an ultrasonic speaker including an ultrasonic transducer for emitting an ultrasonic wave signal to a screen; a distance measuring device for measuring a distance between the ultrasonic transducer and the screen; and an ultrasonic frequency control device for controlling a frequency of the ultrasonic wave signal based... Agent: Harness, Dickey & Pierce, P.L.C

20080055557 - Method and apparatus for controllably modulating a laser in a laser projection display: A laser projection device suitable for displaying full color images is disclosed. The LPD includes a variety of techniques for modulating laser beams produced by one or more lasers with image data to controllably produce the image using a modified raster scan.... Agent: Kirschstein, Ottinger, Israel & Schiffmiller, P.C.

20080055562 - Projector apparatus: A projector apparatus equipped with a metal plate structure serving as a light shield against a light source and as a heat radiator is provided. The metal plate structure is arranged over the light source to hide the light source. The metal plate structure extends farther to a cooling fan... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080055568 - Display apparatus, image processing apparatus and image processing method, imaging apparatus, and program: A system and method displays a realistic image that allows a user to readily grasp his/her own positional relationship and also to experience a sense of presence. An outer dome screen is disposed so as to surround a user, and an immersion image such as the scenery of the surroundings... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080055570 - Projector apparatus: A projector apparatus and a lamp fixation structure for use with the projector apparatus are disclosed. The lamp fixation structure has a lower holder, which includes an integrally formed lower holder lens section and a lower holder lamp section. The lower holder lens section defines a lens fitting slot for... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080055571 - Image stabilization mechanism and image pickup apparatus: An image stabilization mechanism moves a movable lens or an imager in first and second directions perpendicular to each other and perpendicular to a light axis of the lens or an incident light axis of the imager. The mechanism includes a support member for supporting the movable lens or imager,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080055572 - Slide misload detection system and method: A system and method for determining whether one or more slides are loaded properly within a cassette. Each slide includes one or more transparent regions and one or more non-transparent regions. The slides are between a light source and a sensor. The light source generates light that is directed towards... Agent: VistaIPLaw Group LLP

20080055573 - Projector with build-in ipod insertion slot: The present new model is to reveal a kind of projector, and in particular a kind of projector with build-in iPod insertion slot including a projector main body, the said projector main body is installed an insertion slot, through the insertion slot an iPod electronic device can be plugged into... Agent: Lowe Hauptman Ham & Berner, LLP