Optics: image projectors inventions 04/08

20080094576 - Projection system incorporating color correcting element: An optical system and a projection system incorporating same are disclosed. The optical system includes first and second optical elements. The second optical element is polarization insensitive in the visible. The first optical element is capable of receiving light of a first polarization along a first direction and transmitting the... Agent: 3m Innovative Properties Company

20080094577 - Time-multiplexed led light source for projection displays: A light source device for projection displays is disclosed, comprising a plurality of Light Emitting Diode (LED) devices. The plurality of LED devices are arranged to sequentially operate. A light combining means are arranged to convey light from the LED devices to a light output of the light source. The... Agent: Philips Intellectual Property & Standards

20080094583 - Non-visible light control of active screen optical properties: Techniques for modifying a visible projecting image are described. The technique includes using non-visible light to control optical properties of independent regions of an active screen. The non-visible light is capable of directly interacting with the regions of the active screen to modify an optical property of the regions of... Agent: Hewlett Packard Company

20080094584 - Projection apparatus and lamp thereof: A projection apparatus including a lamp, a light valve and a projection lens is provided. The light valve is disposed on a transmission path of an illumination beam from the lamp for converting the illumination beam into an image beam, and the projection lens is disposed on a transmission path... Agent: Jianq Chyun Intellectual Property Office

20080094585 - Projector: A projector includes a cabinet (10) having a light source (12) for generating a light beam; a mirror (40) for reflecting the light beam; and a holding means (30) for holding the mirror, which is movably coupled to the cabinet. The mirror is movable relative to the holding means.... Agent: Philips Intellectual Property & Standards

20080094587 - Projector: A light source device includes first and second electrodes, an arc tube having a main body section having a discharge space in which the first and second electrodes are disposed with a distance and a sealing section disposed on each of the both ends of the main body section, a... Agent: Oliff & Berridge, PLC

20080094578 - Optical system for a projector, and corresponding projector: Optical system for a projector, comprising: at least a first polarizing beam splitter for splitting a source illumination beam into a first illumination beam linearly polarized along a first direction and a second illumination beam polarized perpendicular to the first direction; at least one colour wheel intersecting the polarized illumination... Agent: Joseph J. Laks Thomson Licensing LLC

20080094580 - Projection type image display apparatus: A projection type image display apparatus of the invention has a lamp mounting mechanism, which has an aluminum lamp holder (166) intervening between the lamp (16) and the resin lamp holder (167) and has a section exposed out of the resin lamp holder (167). The lamp (16) is securely fixed... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080094579 - Projector device: A projector device includes: an image generation unit that generates an image; an irradiation unit that irradiates light for projecting the image generated by the image generation unit upon a projection surface; and a change unit that changes luminance of the light irradiated from the irradiation unit.... Agent: Oliff & Berridge, PLC

20080094581 - Projection type image display apparatus: An image display apparatus has a first exhaust fan (13) for mainly exhausting air from a light source unit (9) and discharging the air to the outside of the image display apparatus and a second exhaust fan (14) for mainly exhausting air from a power supply unit (11) and discharging... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080094582 - Projection type image display apparatus: A projection type image display apparatus of the invention is equipped with a lamp cooling mechanism, which has a duct (121) for guiding the air sent from an air intake fan (12) in the forward direction from a position lateral to a lamp (16). The duct (121) has a curved... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080094586 - Image display optical system, image display unit, illuminating optical system, and liquid crystal display unit: Image display optical systems are disclosed that extend the angle of view longitudinally and transversely while saving space. The image display optical system includes a prism-shaped substrate transparent to an image-carrying light flux to be projected to a viewing eye, an introduction unit that guides the image-carrying light flux to... Agent: Klarquist Sparkman, LLP

20080094588 - Projector/camera system: A projector/camera system includes a projector, configured to project a sequenced image to a projection location, and a camera, located at the projection location and oriented to take an image of a region including the projector. The camera is configured to capture a sequenced image that is synchronized and out... Agent: Hewlett Packard Company

20080094589 - Virtual display and control system for medical devices: A virtual display and control system for medical devices is provided including a patient monitor (5) and/or a therapy device (6) for a patient that is connected to a display and control panel projector (3) via an associated evaluating and control device (4) for the display and control panel projector... Agent: Mcglew & Tuttle, PC

20080088799 - Optical filter, projection display, and method for manufacturing optical filter: Disclosed herein is an optical filter capable of removing an unnecessary component of incident light. The optical filter has a transparent body of a flat plate-like shape. A plural number of filtering layers, each with a function of separating an unnecessary polarization component of incident light from a necessary polarization... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080088802 - Electronic device: An electronic device includes a housing, a lamp having a voltage rating, a ballast electrically connected to the lamp, a main board having a predetermined voltage and electrically connected to the ballast, a first fan electrically connected to the main board, and a second fan electrically connected to the main... Agent: Quintero Law Office, PC

20080088805 - Optical projection apparatus and light integration rod thereof: A light integration rod is suitable for an optical projection apparatus to uniform the light beam provided by a light source of the optical projection apparatus. The light integration rod has an optical axis and includes a first integration portion. The first integration portion has a light incident cross-section perpendicular... Agent: J C Patents, Inc.

20080088800 - Spatially offset multi-imager-panel architecture for projecting an image: A high-resolution image is generated using multiple spatially offset lower-resolution digital micro-mirror device (DMD) panels. Multiple lower-resolution subframe signals for controlling the spatial light modulators are generated from a high-resolution image signal using a resolution reduction and interpolation algorithm. The spatial light modulators under control of the subframe signals are... Agent: Patterson & Sheridan, L.L.P.

20080088801 - Light source and projector employing light source: The invention was made to provide a light source unit which can enhance the utilization efficiency of the dichroic prism which emits light that is emitted from a plurality of light sources in a direction which is parallel to an optical axis and a projector which employs the light source.... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080088803 - Lamp cooling apparatus and projection display apparatus: A lamp cooling apparatus for cooling a lamp may include a lamp outlet duct connected to the lamp, a lamp inlet duct connected to the lamp, a first joint segment provided at the front end of the lamp outlet duct, a second joint segment provided at the front end of... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20080088804 - Method, system and apparatus for diffuser vibration: Methods, systems and apparatus for diffuser vibration to reduce speckle in a laser display device are provided. In some embodiments, a coil is operatively coupled to the diffuser to generate the desired vibrations in the diffuser. In some embodiments, an air jet may be operatively coupled to the diffuser such... Agent: Alleman Hall Mccoy Russell & Tuttle LLP

20080088806 - Projection display: This invention provides a projection enabling replacement of its lamp with minimum components. The light source lamp section includes a high-pressure discharge lamp and a metal reflector to which the high-pressure discharge lamp is attached. A plurality of engaging portions are provided on an opening rim of the metal reflector,... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080088807 - Method and apparatus for adjusting image colors of image projector: Disclosed is a method for correcting color in a portable image projector in consideration of an effect of a background color when the portable image projector projects images. The method corrects the effect of the background color to be projected, using color constancy technique, and thereby represents high-quality image which... Agent: Cha & Reiter, LLC

20080084542 - Three-dimensional internal back-projection system and method for using the same: A projection system that projects coherent light rays from a coherent light (e.g., laser) source onto an inner surface of a three-dimensional projection surface is disclosed. A compact and low-power laser light image can thereby be formed and seen by an observer from outside the properly constructed three-dimensional projection surface.... Agent: Pepper Hamilton LLP

20080084544 - Discrete high switching rate illumination geometry for single imager microdisplay: A projection system is provided, comprising three discrete monochromatic light sources for sequentially providing monochromatic beams of blue, green and red light to a single imager, which modulates the light on a pixel-by-pixel basis to form a matrix of modulated light pixels. Each of the monochromatic light sources has a... Agent: Joseph J. Laks Thomson Licensing Llc

20080084545 - Optical processing structure for a digital light processing projection device: A light processing structure for a digital light processing (DLP) projection device is disclosed. The DLP projection device comprises a plurality of digital micro-mirror devices (DMDs). The optical processing structure comprises a color separation mechanism, a reflecting mechanism and a color combination mechanism, wherein the color separation mechanism utilizes dichroic... Agent: Patterson, Thuente, Skaar & Christensen, P.a.

20080084543 - Optpo-mechanical filter for blending of images from a digital projector: A filter mounting apparatus for use with an optical filter placed between a projector lens and screen. The filter mounting apparatus comprises a metallic disk connected to the projector lens, and an assembly magnetically connected to the metallic disk for mounting the optical filter a predetermined distance from the projector... Agent: Staas & Halsey LLP

20080079903 - Adhesives inhibiting formation of artifacts in polymer based optical elements: Inhibiting formation of optical artifacts in a multi-layer film polarizer of an optical imaging assembly that includes a polarizing beam splitter. The beam splitter may include a multilayer reflective polarizing film having at least two materials, one of which may exhibit birefringence after uniaxial orientation; an adhesive disposed on the... Agent: 3m Innovative Properties Company

20080079904 - Display systems with spatial light modulators: A method and an optical system employing the same are provided for providing uniform illumination light with a desired illumination field using a surface diffuser.... Agent: Texas Instruments Incorporated

20080079905 - Illumination apparatus and projection-type image display apparatus: An illumination apparatus includes: a red light valve configured to modulate red component light according to a red input signal; a green light valve configured to modulate green component light according to a green input signal; a blue light valve configured to modulate blue component light according to a blue... Agent: Mots Law, PLLC

20080079907 - Projector and keystone distortion correction method for projector: A projector includes an adjusting leg section configured to be capable of protruding/retracting outside/inside an exterior chassis and changing a tilt condition of the projector, an interlocking device that displaces based on the protruding/retracting movement of the adjusting leg section, a variable resistance device that has a resistance that varies... Agent: Oliff & Berridge, PLC

20080079908 - Visual advertising apparatus for gateway: A visual advertising apparatus for a gateway is disclosed. The apparatus includes a screen which includes a reflecting surface having a reflectance of 5% to 40% and reflecting lines formed on the reflecting surface in either a vertical or horizontal direction, the reflecting lines having a reflectance of 0.5% to... Agent: Bacon & Thomas, PLLC

20080079909 - Color wheel module for use in a projection apparatus: A color wheel module for use in a projection apparatus is disclosed. The projection apparatus comprises an optical engine, which comprises a chassis and an electrical socket. The electrical socket is disposed on the chassis. The color wheel module comprises a color wheel, a housing module and a connecting device.... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20080079910 - Fluorescent volume light source having multiple fluorescent species: A projection system contains an illumination system having at least a first source of incoherent light capable of generating light in a first wavelength range. The illumination system also includes a body containing a fluorescent material that emits light in a second wavelength range, different from the first wavelength range,... Agent: 3m Innovative Properties Company

20080079911 - Projection apparatus: A projection apparatus includes an illumination system, a projection module and at least a filter. The illumination system is for generating an illumination light beam. The projection module is for receiving the illumination light beam from the illumination system and projecting an image according to the illumination light beam. The... Agent: Bacon & Thomas, PLLC

20080079913 - Image display apparatus: Provided is an image display apparatus, including: a light modulation element; an illumination optical system which includes at least one light source unit including a plurality of light emitting units two-dimensionally arranged and illuminates the light modulation element; and a projection optical system for enlarging and projecting an image of... Agent: Morgan & Finnegan, L.L.P.

20080079912 - Rod integrator holder and projection type video display: A guide convex portion is formed on a base plate in parallel to an illumination optical axis. Further, a fixed-side supporting member is provided in the base plate. A first opening is formed in an upright portion of the fixed-side supporting member. A slide supporting member can be provided on... Agent: Ndq&m Watchstone LLP

20080079914 - Light projector: A light projector comprising a plurality of light sources, a lens assembly for directing light from the light sources and a light valve for selectively modulating the light from the light sources to provide an image to be projected, wherein the plurality of light sources are arranged to be spatially... Agent: Foley & Lardner LLP

20080079915 - Projection-type image display device and projection-type image display system: A projection-type image display device includes an image light generator configured to generate image light, a projection optics configured to project the image light onto a screen. The projection optics includes a reflection mirror configured to reflect the image light toward the screen, the image light outputted from the image... Agent: Mots Law, PLLC

20080079906 - Versatile illumination system: A lightweight, modular expandable multiple par lamp fixture configurable to form various sizes and intensities of high output area lighting or projected soft light. A high efficiency par lamp includes a high output globe and lightweight reflector, optional collar, and lens. Individual modular fixtures comprising high efficiency par lamps may... Agent: Irell & Manella LLP

20080079916 - Mobile phone: A mobile phone includes an information display device and an image projection device. The information display device has a transmissive liquid crystal panel (13) for information display that has a specific region (13a) in a part thereof. The information display device further has a backlight unit (17) that illuminates the... Agent: Brinks Hofer Gilson & Lione