Optics: image projectors inventions 12/07

20070296921 - Projection display with a cube wire-grid polarizing beam splitter: A display apparatus includes a cube wire-grid polarizing beam splitter with a plate wire-grid polarizer disposed between a pair of prisms secured together to form a cube. A reflective spatial light modulator produces an image bearing color light beam. The cube wire-grid polarizing beam splitter is disposable in the image... Agent: Thorpe North & Western, LLP.

20070296922 - Star field projection apparatus: A projection apparatus for generating a moving star field and a cloud-like effect comprises a means for generating a cloud-like effect using at least one non-coherent light source, a means for generating a moving star field using at least one coherent light source and a means for regulating and supplying... Agent: Edwin Tarver

20070296923 - Star field projection apparatus: A projection apparatus for generating a moving star field and a cloud-like effect comprises a means for generating a cloud-like effect using at least one non-coherent light source, a means for generating a moving star field using at least one coherent light source and a means for regulating and supplying... Agent: Edwin Tarver

20070296924 - Increase gray scales of projection system by reflecting light from mirror elements with non-uniform intensity distribution: Additional control flexibilities to generate more gray scales for an image display system is achieved by controlling the intensity distribution of the light projection from a light source to a deflecting mirror to further coordinate with the control of the intermediate states of the deflecting mirror. The control light source... Agent: Bo-in Lin

20070296926 - Illumination optics and projection display apparatus: An object of the present invention is to provide illumination optics that enables improvement in brightness and reestablishment of an irradiation state which is provided with illumination light and which corresponds with a display area, and is to provide illumination optics including a first fly-eye lens and a second fly-eye... Agent: Mcginn Intellectual Property Law Group, PLLC

20070296925 - Illumination system and projection system: An illumination system including a light source module, a first integral lens array, a cylindrical lens array, a polarization beam splitter converter, a cylindrical lens, a condenser lens, and a collimator lens is provided. The light source module is suitable for providing a white light, and the first integral lens... Agent: Jianq Chyun Intellectual Property Office

20070296927 - Projector lamp module: A projector lamp module for use with a cooler is provided. The lamp module comprises a light device, a housing and at least one cover. The housing is disposed on one end of the light device. An airflow entrance is formed on the housing. The cover plate is movably disposed... Agent: Birch Stewart Kolasch & Birch

20070296928 - Projection type display device and method of cooling lamp unit in the same: A projection type display device of the invention includes a lamp unit (4) having a lamp holder (44) for holding a lamp, a power source cooling fan (6) for cooling a power source unit (3), and a duct (8) through which air caused to circulate by driving of the power... Agent: Blakely Sokoloff Taylor & Zafman

20070296929 - Power source unit for projection type display device and projection type display including the same: Each of a power source unit for a projection type display device, and the projection type display device having the same of the present invention includes a box (91) for accommodating therein a substrate (92) having heating elements (92b) mounted thereto, a fan (94) for a lamp power source which... Agent: Blakely Sokoloff Taylor & Zafman

20070296930 - Illumination optical system and projection type display apparatus: The invention provides an illumination optical system that guides light emitted from light source device 1 to DMD 2, the illumination optical system including: light tunnel 20 that uniformizes luminance distribution of light emitted from light source device 1; relay optical system 40 that guides light having uniformized illumination distribution... Agent: Mcginn Intellectual Property Law Group, PLLC

20070296920 - Rear projection screen and associated display system: A rear projection display method and system, for displaying an image. The system comprises projection means (18L, 18R) to project first and second stereoscopic image components; a first light-redirecting panel (20R) and a second downstream light-redirecting panel (20L) to receive light representative of the first and second image components, respectively,... Agent: Workman Nydegger

20070296931 - Focusing/zooming apparatus for optical projection device and projection optical system: Provided are a focusing apparatus of an optical projection device having a simple structure and capable of a precisely in focusing and a projection optical system. The focusing apparatus includes: a frame including a female screw part having a first pitch; a body tube moveably installed in the frame and... Agent: Sughrue Mion, PLLC

20070291233 - Mesh for rendering an image frame: A method includes generating a first plurality of meshes configured to map a first domain associated with a display surface having a plurality of fiducial marks to a second domain associated with a image capture device configured to capture a first image of the display surface, generating a second plurality... Agent: Hewlett Packard Company

20070291234 - Cooling device and projector: A cooling device with a thermoelectric conversion element having a heat absorbing surface and a heat releasing surface includes: a heat-absorbing-side heat conductive member connected with the heat absorbing surface in a heat-conductive manner; a heat-releasing-side heat conductive member connected with the heat releasing surface in a heat-conductive manner; a... Agent: Oliff & Berridge, PLC

20070291235 - Image projecting apparatus: An image projecting apparatus includes a main body casing comprising an inlet provided to a lower part thereof, and an outlet spaced from the inlet. A heat generating part generates heat in an inner part of the main body casing. A cooling duct coupled to the main body casing communicates... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070291236 - Projection type image display apparatus: A projection-type image display apparatus for projecting an image, enlargedly, onto a projection surface, comprises: an image display element; a lens group, being disposed behind the image display element, comprising therein, a front lens group made up with a plural number of lenses, including, at least, a refractive lens, having... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070291237 - Projector: A projector includes a main body, a lens unit and a lens cover. The main body includes a housing and a groove formed on a bottom face of the housing. The lens unit is provided to the main body. The lens cover is configured to cover the lens unit. The... Agent: GlobalIPCounselors, LLP

20070291238 - Projector: A projector includes: an optical component; a sealed structure that includes an optical component casing accommodating the optical component inside, a cooling device, a plurality of duct members including a flow-path-upstream-side duct member that guides the air from the cooling device to the optical component casing, and a ringed air... Agent: Oliff & Berridge, PLC

20070285622 - Liquid crystal projection system: A liquid crystal projection system (70) includes a light source (50) for emitting a white light beam of three primary colors, a polarizer (51) for polarizing the white light beam, a separating mirror (52), first and second reflecting mirrors (53, 54), first and second polarization separators (56, 57), a half-wave... Agent: Madson & Austin

20070285621 - Projection display apparatus: A projection display apparatus in which the longitudinal direction of an arc type lamp is parallel with the longitudinal direction of an aperture of a polarization exchange element.... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070285625 - Arrangement for and method of projecting an image with safety circuitry: Red, blue and green lasers respectively emit a plurality of red, blue and green laser beams having respective output powers. The beams are optically focused and collinearly arranged to form a composite beam which is swept by a pair of scan mirrors in a pattern of scan lines on a... Agent: Kirschstein, Ottinger, Israel & Schiffmiller, P.C.

20070285628 - Light source apparatus and image display apparatus having same: Directivity of light beams can be adjusted appropriately relative to the normal to the light emission surface of a light source. Thus, the light source apparatus has high brightness without significant unevenness in illumination with its simple structure. The light source apparatus comprises a light source substrate on which plural... Agent: Morgan & Finnegan, L.L.P.

20070285629 - Arrangement for, and method of, enhancing image projection by holding scan mirror steady during part of mirror drive cycle: A scan mirror is held steady during a holding period interval between forward and return scans in a lightweight, compact image projection module operative for causing selected pixels in a raster pattern to be illuminated to project an image in color.... Agent: Kirschstein, Ottinger, Israel & Schiffmiller, P.C.

20070285623 - Projector: A projector includes a light source unit that emits light, a lamp driving unit that supplies a driving power to the light source unit, a power supply unit that supplies a power to at least the lamp driving unit, a fan that circulates cooling air to the lamp driving unit... Agent: Oliff & Berridge, PLC

20070285624 - Projection display device for multimedia and wall display systems: A front projection display device includes an optical engine including an illumination system, an imaging system, and projection optics. The projection optics include a first lens group of negative refractive power that has at least one aspheric surface. The projection optics output an image at a half field angle of... Agent: 3m Innovative Properties Company

20070285627 - Method and apparatus for increasing effective contrast ratio and brightness yields for digital light valve image projectors: The present invention is a method and apparatus for increasing the effective contrast ratio and brightness yields for digital light valve image projectors using a variable luminance control mechanism (VLCM), associated with the projector optics, for modifying the light output and provide a correction thereto; and an adaptive luminance control... Agent: Whiteford, Taylor & Preston, LLP Attn: Gregory M Stone

20070285626 - Projector, display image adjusting method, program for executing display image adjusting method, and recording medium having recorded thereon program: A projector includes an image acquiring unit that acquires an image including the projection image captured by the image-capturing device during image projection, an image region separating unit that separates a projection image region and a background image region from the acquired image, a background image time-lapse change storage unit... Agent: Oliff & Berridge, PLC

20070285630 - Light source unit, method of manufacturing light source unit, and projector: A light source unit including an arc tube having a light emitting section, sealed sections, an elliptic reflector, and a secondary reflecting mirror to cover the front side of the light emitting section and reflect a luminous flux radiated from the light emitting section toward the elliptic reflector. The center... Agent: Oliff & Berridge, PLC

20070279593 - Visual presenter with built-in central control system: This invention discloses a visual presenter with built-in central control system capable of remotely controlling external display device, operating image capturing device, and switching input sources. The conversion of input video format into output video format is in operation even when the visual presenter is in Stand-by mode. A universal... Agent: Weihua Li

20070279594 - Projection display: A projection display, for modulating lights into an optical image through an image display element, thereby projecting the optical image from a projection lens, enlargedly, comprising: a light source, which is configured to emit the lights; an optical integrator, which is configured to equalize illuminance distribution of the lights from... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070279595 - Illumination system and projection system using same: An optical display system includes a light source, for generating light in first, second and third color bands, and a projection core. The projection core includes a crossed color combiner and first, second and third display panels disposed to direct first, second and third image light into the color combiner.... Agent: 3m Innovative Properties Company

20070279596 - Method for controlling a cooling device of a projecting system and the projecting system thereof: A method for controlling a cooling device within a projecting system is provided. The cooling device cools the projecting system with a predetermined period after the illumination device of the projecting system is turned off. Then, after the projecting system is restarted, it is detected that whether the illumination device... Agent: Birch Stewart Kolasch & Birch

20070279600 - Method and apparatus for creating a collage from a plurality of stage lights: An image projection lighting device is provided comprising a base, a communications port, a processor, a memory, and a lamp housing. A first image is stored in the memory. The image projection lighting device is configured to form a first sectional image from the first image stored in the memory... Agent: Walter J, Tencza Jr.

20070279601 - Bi-functional lighting mechanism based on rotary actuator: A projector assembly having a light source and a reflector body positioned proximately to the light source for reflecting light forward along an axis of the projector assembly. Mounted to the reflector body is a lens. The lens is in front of and at a distance from the light source... Agent: Visteon

20070279597 - Video projector: A video projector (1) comprises a lamp unit (2) having a metal halide lamp (2a) and a reflector (2b), a lamp case (11) containing the lamp unit (2), and a blower fan (12) which is mounted in front of the lamp case (11) and cools the lamp unit (2). The... Agent: Crowell & Moring LLP Intellectual Property Group

20070279598 - Projection-type image display apparatus: A projection-type image display apparatus for projecting an image, enlargedly, onto a projection surface, comprises: an image display element; a lens group, being disposed behind the image display element, comprising therein, a front lens group made up with a plural number of lenses, including, at least, a refractive lens, having... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070279599 - Projection apparatus: In the case of a conventional screen holding structure, in the case where, due to external force, the case is deformed, the restoration of the case is insufficient due to the frictional force caused between each of the pressure members and the screen, even though the external force is removed.... Agent: Birch Stewart Kolasch & Birch

20070279602 - Projection lens and projector: There is provided a projection lens for a projector which utilizes a reflection type display device, comprising a movable aperture 70 which is movable as a movable lens components moves, wherein an opening 75 in the movable aperture 70 is formed into a circular shape which is centered at the... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070279603 - Video device that sets extended device connected to interface, display method by the video device and processing program for the video device: When an extended device is connected to an USB interface, it is determined whether a plug and play function is on. If so, a selector is switched so as to receive a video signal from the extended device, and items for the extended device are displayed in a main menu.... Agent: Frishauf, Holtz, Goodman & Chick, PC