Optics: image projectors inventions 12/06

20060290888 - 2d and 3d image display apparatus: A 2D and 3D image display apparatus including: a display panel forming an image by spatially modulating an input image signal; a polarization conversion device converting a polarization direction of a beam incident into the polarization conversion device according to a voltage applied in synchronization with the image signal; and... Agent: Sughrue Mion, PLLC

20060290889 - Three-dimensional stereoscopic projection architectures: Described are illumination systems for providing visible images. The systems include a first image projection sub-system operable to provide a first stereo-image output formed by light having a first polarization; a second image projection sub-system operable to provide a second stereo-image output formed by light having a second polarization; a... Agent: Baker & Mckenzie LLP Patent Department

20060290890 - Projection image position adjustment method: A projection image position adjustment method of applying position adjustment to, using two adjustment images, two projection images on a projection surface projected to have an overlay area by two of a plurality of projectors in a multi-projection display. The method includes: a first step of providing, to the two... Agent: Oliff & Berridge, PLC

20060290891 - Device for cooling light emitting diode projector: A device for cooling a light emitting diode projector includes a first cooling unit that includes a hollow portion. One end of the hollow portion includes a third cooling body and a reflection cover. The light emitting unit is adhered to one surface of the third cooling body, while the... Agent: Hdsl

20060290892 - Illumination optical system and projection display optical system: An illumination optical system which can use light from a light source with high efficiency and can provide an illumination luminous flux with highly uniform illuminance, is disclosed. The illumination optical system illuminates an illumination surface with a generally telecentric illumination luminous flux. In light intensity distribution of illumination light... Agent: Morgan & Finnegan, L.L.P.

20060290893 - Image projection apparatus and method of cooling an image projection apparatus: An apparatus and method of cooling an image projecting apparatus. The image projecting apparatus includes a main body frame, at least one heat generating unit, a heat dispersion part, at least one heat transfer member, and a single cooling fan, where the first side of the at least one heat... Agent: Stanzione & Kim, LLP

20060290894 - Projector: When a front cover 12 in which an inner grille 13 is fitted is mounted to the body of the projector, a fin member 13b formed as one unit with the inner grille 13 is placed with very little clearance between itself and a partition 33 separating the region where... Agent: Yokoi & Co. U.s.a., Inc.

20060290895 - Cooling system of thin projector and method for controlling the same: A cooling system of a thin projector, and a method for controlling the same are disclosed. The system comprises a heat source 1 in a housing, first and second suction ports formed at side and lower surfaces of the housing, respectively, a discharge port formed at an upper surface of... Agent: Fleshner & Kim, LLP

20060290896 - Projector having horizontal displacement sensors for correcting distortion: A projector apparatus has a projection device for projecting an image onto a projection surface; at least two displacement sensors for detecting horizontal displacements of the projector apparatus, the displacement sensors being spaced a predetermined distance from each other; a rotational angle calculator for calculating a rotational angle of the... Agent: Mcginn Intellectual Property Law Group, PLLC

20060290897 - Projection device and screen: A projection system. The projection system includes a projector, a projector holder, and, optionally, a screen. When included, the screen has at least a deployed configuration in which a viewing portion of the screen is substantially planar. The projector includes a wide-angle lens system to selectively project display images onto... Agent: Alleman Hall Mccoy Russell & Tuttle LLP

20060290898 - System and method for a transparent color image display utilizing fluorescence conversion of nanoparticles and molecules: A system and a method of a transparent color image display utilizing fluorescence conversion (FC) of nano-particles and molecules are disclosed. In one preferred embodiment, a color image display system consists of a light source equipped with two-dimensional optical scanning hardware and a FC display screen board. The FC display... Agent: Sherr & Nourse, PLLC

20060290899 - Compact optical engine for very small personal projectors using led illumination: According to various illustrative embodiments of the present invention, a device for a light projection system includes a single light emitting diode array comprising at least one green die, at least one blue die, and at least one red die, a single light collection, integration, and etendue-matching optic element comprising... Agent: Texas Instruments Incorporated

20060290900 - Projector and color filtering device thereof: A projector includes a light source, a color filtering device, an optical assembly, an imaging component and a lens. The light source is used for generating light beams. The color filtering device includes a body and several color filter areas. The body has a longitudinal axis and a lateral axis.... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20060290901 - Light shielding heat-resistant sheet material, and light amount regulating apparatus and projector apparatus utilizing the same: A light shielding heat-resistant sheet material has a film substrate sheet of a polyethylene naphthalate resin and/or a polyimide resin, and a two-component curable polyester resin paint coated on one or both surfaces of the film substrate. The two-component curable polyester resin paint has a polyester resin as a principal... Agent: Kanesaka Berner And Partners LLP

20060290902 - Contrast adjustable projector apparatus: A contrast adjustable projector apparatus including a body, a light source, an illumination unit, a lens assembly and a regulation device is disclosed. The light source is disposed in the body for generating light beams. The illumination unit connects the light source and the lens assembly to guide the light... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20060290903 - Lens array optical system, projection optical unit, and image projection apparatus: A lens array optical system includes a first lens array that includes plural first lens cells arranged in first and second directions, the first lens array being configured to split a light flux to plural split light fluxes and to condense each split flux; and a second lens array that... Agent: Morgan & Finnegan, L.L.P.

20060290904 - Projection television apparatus: A projection television apparatus includes: frame; rear projection screen; and projector unit for emitting image projection light beam onto rear of screen; wherein projector unit includes; illuminating means, image forming means for modulating light beams on basis of image information, and projection lens for projecting image onto screen; optical axis... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20060290905 - Reflecting non-visible light: Embodiments of reflecting non-visible light are disclosed.... Agent: Hewlett Packard Company

20060285076 - Laser source device, display device, and projector: A laser source device includes: a plurality of lasers; wavelength converting elements that convert wavelengths of a plurality of light beams emitted from the plurality of lasers; a temperature sensor that detects the temperatures of the wavelength converting elements; and a temperature controlling unit that controls the temperatures of the... Agent: Oliff & Berridge, PLC

20060285077 - Projector: A projector that includes: a projector body including an image optical system for image creation and projection, and an image circuit that operates the image optical system; an auxiliary input unit that forms an auxiliary signal for exercising control over an operating state of the projector body; and a distribution... Agent: Oliff & Berridge, PLC

20060285078 - Illumination light source and two-dimensional image display using same: A 2-D beam scan method using a galvanometer mirror and a polygon scanner has a problem that the polygon scanner is large and noises are increased. Also, a method of oscillating a compact mirror has a problem that a brightness distribution is produced depending on a scan angle. Hence, a... Agent: Wenderoth, Lind & Ponack L.L.P.

20060285079 - Projection lens, projection display employing that projection lens, and rear projection display: A projection lens that, though designed for right projection, shows good aberration performance and can realize specifications required for a projection display apparatus, such as a low F number, a wide angle, a long back focus, and a high relative illumination, with a rational configuration is provided. A projection lens... Agent: Douglas P. Mueller Hamre Schumannn Mueller & Larson P.C.

20060285080 - Projector and projection method: A projector includes: a light-modulation device for modulating an illumination light according to a piece of image information; a projection optical system for protecting a modulated light resulting from the modulation by the light-modulation device as an image on a screen; a movable holder capable of holding the light-modulation device... Agent: Oliff & Berridge, PLC

20060285081 - Portable rear projection apparatus for projection display: A portable rear projection apparatus includes a lens element for magnifying an image projected from a projector, an aspherical mirror for reflecting the image magnified by the lens element to change a light path, a screen for displaying the image reflected from the aspherical mirror, and a movable screen support... Agent: Sughrue Mion, PLLC

20060285082 - Rear projection display device: A rear projection display device improves the brightness by improving the utilization efficiency of image light projected to a screen from slantly below. At least a green component of the image light is P-polarized to the screen (7). Therefore, reflection of light on the screen (7) is reduced.... Agent: Ndq&m Watchstone LLP

20060285083 - Illumination system with integrated heat dissipation device for use in display systems employing spatial light modulators: Disclosed herein is an illumination system for use in display systems employing spatial light modulators. The illumination system comprises a fastening mechanism for securing the bonding of the walls of the light integrator of the illumination system. A heat dissipation mechanism can be alternatively provided for reducing the temperature of... Agent: Texas Instruments Incorporated

20060285084 - Light source module of a projector and color wheel thereof: A light source module of a projector includes a first light source, a second light source, a light assembly and a color wheel. The first light source and the second light source are used for generating first light and second light. The light assembly includes a first light pipe, a... Agent: Rabin & Berdo, PC

20060285085 - Projection-type display apparatus with wide color reproduction area in any gray scale level: A projection-type display apparatus includes at least one light source for emitting three primary color lights, a display panel, a control circuit for controlling the display panel, an illumination light optical system for illuminating the display panel with the light emitted from the light source, and a projection lens for... Agent: Antonelli, Terry, Stout & Kraus, LLP

20060285086 - Display unit and light-emitting unit: A display unit includes: a light modulation unit that includes an effective area, and modulates an illumination light entering to the effective area; a light-emitting unit that includes a plurality of light-emitting areas that can be made to emit a light or stop emitting a light, and are substantially similar... Agent: Oliff & Berridge, PLC

20060285087 - Dual lamp system for projector system with l-type optical engine: Disclosed is a light source module, particularly used in a projector system, comprising a first and a second light sources generating a first and second light rays, a first and a second reflective mirrors disposed on a respective light path of the first and second light rays to control a... Agent: Volpe And Koenig, P.C.

20060285088 - Light source unit and projection type image display apparatus having the same: First and second reflectors are provided. The first reflector has a function of reflecting a light ray emitted from a light source and directing it toward an image display element and the second reflector has a function of changing the direction of a light ray so as to be reflected... Agent: Antonelli, Terry, Stout & Kraus, LLP

20060285089 - Projector and focus adjustment method: A transportable projector includes a focus adjustment unit for moving a focus lens in a projection lens, an acceleration sensor for detecting acceleration in a direction along an optical axis of the projection lens in the projector, a determination unit for determining whether the projector is in a stationary state... Agent: Mcginn Intellectual Property Law Group, PLLC

20060285090 - Projection lens and portable display device for gaming and other applications: A portable projection device comprises a housing, a handle, and an optical engine. The optical engine comprises an illumination source, an imaging system, and a wide angle projection lens that includes a first lens group of negative refractive power, the first lens group having at least one aspheric surface, a... Agent: 3m Innovative Properties Company

20060279703 - Beam splitter: A beam splitter includes a first member having at least a first dichroic layer, and a second member having at least a second dichroic layer, the first member being crossed relative to the second member.... Agent: Hewlett Packard Company

20060279702 - Projection assembly: A projection assembly including a light modulator assembly that includes a dichroic beam splitter, including first and second dichroic surfaces, the dichroic surfaces being crossed relative to one another, and first, second, and third light modulator panels in optical communication with the dichroic beam splitter, and a wobbling polarized plate... Agent: Hewlett Packard Company

20060279701 - System and method for projecting a video image with a temporal led combiner: The disclosed embodiments relate to a system and method for projecting video onto a screen. A video unit (10) comprising a first component (30) configured to create a first beam of light with a first polarity, a second component (40) configured to create a second beam of light with a... Agent: Barry D. Blount Fletcher Yoder

20060279704 - Light modulator assembly: A light modulator assembly includes first, second, and third light modulators, with first and second dichroic mirrors. The first dichroic mirror is located at an optical pupil of said assembly and is configured to split a beam of light into a first component beam and an intermediate beam. The first... Agent: Hewlett-packard Company Intellectual Property Administration

20060279705 - Optical system for oblique projection projector: An optical system for a projector, through a projecting optical system on a screen, is provided. The optical system includes a modulating system configured to modulate color components corresponding to three primary colors in accordance with image data, the modulating system being configured such that the color components emerging from... Agent: Greenblum & Bernstein, P.L.C

20060279706 - Projection system: A projection system has at least one heat source. A closed-loop heat pipe has at least one heat receiving portion thermally coupled with the at least one heat source, and at least one heat rejecting portion thermally coupled with a heat sink. A heat carrying fluid circulating through the heat... Agent: Hewlett Packard Company

20060279708 - Electronic display apparatus having adaptable color gamut: A method for adapting an electronic projection apparatus (10) to emulate the color gamut of a second display apparatus characterizes the color gamut (130) of the electronic projection apparatus (10) and the color gamut (130′) of the second display apparatus. At least one color filter (50) is placed in the... Agent: Pamela R. Crocker Patent Legal Staff

20060279707 - Light modulator assembly: A projection assembly includes a dichroic beam splitter having first and second crossed dichroic surfaces, at least one interference type light modulator panel optically coupled to the dichroic beam splitter, and at least one filter at least partially between the light modulator panel and the dichroic beam splitter.... Agent: Hewlett Packard Company

20060279710 - Image projection apparatus: There is provided An image projection apparatus comprising: a spatial light modulation element that modulates illumination light by switching the display and non-display statuses of the respective pixels based on pulse width modulation driving to perform gradation expression for each pixel; a light source section able to increase and decrease... Agent: Volpe And Koenig, P.C.

20060279709 - Light source device and projection optical device: There is provided a light source device comprising: a video type detection section that detects a type of an input video signal; a plurality of light emitting diodes that irradiate illumination light; and a lighting control section that controls a lighting status of the light emitting diodes, wherein the lighting... Agent: Volpe And Koenig, P.C.

20060279711 - Projection display: This invention provides a projection display capable of preventing a reflector from damage and cooling a lamp at high efficiency. The projection display comprises a light source. The light source includes a lamp and metallic reflector. The metallic reflector has an opening disposed above the light-emitting point of the lamp... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20060279712 - Light source device and projector: A light source device (411) has a lamp body (411A) including a light source lamp, a reflector (417) and an anti-explosion glass (418), and a lamp housing (411B) for accommodating the lamp body (411A). A plurality of projections (411B8) protruding along an optical axis of a light beam irradiated by... Agent: Oliff & Berridge, PLC

20060279713 - Illumination system for projectors: An illumination system for a projector includes a light source, a light valve and a movable lens set between the light source and the light valve. The movable lens set has lenses whose relative positions are alterable manually or automatically depending on different input source thereby to adjust the illumination... Agent: Birch Stewart Kolasch & Birch

20060279714 - Integrated light gathering reflector and optical element holder: Embodiments of methods and apparatus for integrating a light gathering reflector and an optical component holder are disclosed.... Agent: Alleman Hall Mccoy Russell & Tuttle LLP

20060279715 - Projector: A projector includes: a light source device; and an exterior casing for housing the light source device, in which the projector modulates a light beam irradiated by the light source device to project the light beam in an enlarged manner, the exterior casing includes: a top portion; a top opening... Agent: Oliff & Berridge, PLC

20060274270 - Systems and methods for generating stereo images: Systems and methods for generating stereo images are disclosed. In one embodiment, a system for generating stereo images includes a first display adapted to project a polarized first image along a viewing axis, a second display operatively positioned relative to the first display and adapted to project a polarized second... Agent: Lee & Hayes, PLLC

20060274271 - Projection device for simultaneously generating a plurality of mutually spaced, holographic frames of one and the same image by means of a holographic screen: The invention relates to a projection system (1) comprising; a) at least one image projection apparatus window (2), b) at least one transparent screen (3) deflecting the light from the image projection apparatus (2) into a plurality of discrete, mutually spaced directions so that an area which is free from... Agent: Philips Intellectual Property & Standards

20060274272 - Backlight unit for liquid crystal display device: Disclosed herein is a backlight unit which has high utilization efficiency over the entire visible wavelength band. The backlight unit includes a reflective polarization splitter to allow a light of a surface light source to emit therethrough. The reflective polarization splitter includes a plurality of wires arranged in a wire... Agent: Knobbe Martens Olson & Bear LLP

20060274274 - Projection type display apparatus and optical unit used therefor: The present invention provides a technique which can enhance contrast and brightness of a displayed image in a projection image display apparatus. According to the present invention, as a polarization splitting unit polarization-splitting incident light or exiting light upon/from a light valve, F number of a polarization splitting plane formed... Agent: Mcdermott Will & Emery LLP

20060274273 - Single mems imager optical engine: An optical engine for use with MEMS microdisplay devices is disclosed that comprises a collection stage module, an imaging stage module featuring polarization based imaging prism assemblage, and a polarizing illumination stage module featuring a special light integration tube that removes off-axis overfill loss.... Agent: Orrick, Herrington & Sutcliffe, LLPIPProsecution Department

20060274275 - Wide field collimator: A collimator is compact and uses power efficient light emitting diodes as the illumination source to generate a test image in collimated space. The collimator provides a test image across a wide field of view, which is useful for calibration of optical devices that have a wide field of regard.... Agent: Fish & Richardson P.C.

20060274276 - Method and apparatus for precisely compensating skew rays and residual retardation: A greater than ¼ lambda waveplate is inserted in a light channel between a microdisplay and optics directing the light channel. The waveplate is rotated such that a main component of the retardation of the waveplate is along a skew ray axis of light from the optics, and a minor... Agent: Reed Smith, LLP

20060274277 - Combined light source for projection display: High pressure mercury arc lamps are commonly used as the illumination source in many projection systems. Such lamps may be deficient in either output power or spectrum, and so it is desirable to combine the light from the lamp with light from a second light generator. The second light generator... Agent: 3m Innovative Properties Company

20060274278 - Illumination system capable of adjusting aspect ratio and projection system employing the illumination system: An illumination system and a projection system capable of enhancing light efficiency and contrast. The projection system includes a display panel from which light incident to a projection lens unit is controlled according to the rotation of a plurality of micromirrors and an asymmetric stop which adjusts an angle of... Agent: Sughrue Mion, PLLC

20060274279 - Projection display device: The present invention has an objective to provide a projection display device of a U-shape structure with an illumination optical system folded by a mirror, which reduces heat load without using a mirror made of heat-resistant glass to fold light from a light source. A projection display device that folds... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20060274280 - Heat radiation device capable of resisting light leakage: A heat radiation device capable of blocking light leakage, which applied to a projection system with at least a light source, includes a fan wheel, a fan frame and a stop part. The fan frame defines a flow passage to receive a hub seat for being attached with the fan... Agent: G. Link Co., Ltd

20060274281 - Projector having mechanism for reminding filter replacement: A projector having a mechanism for alerting the need of filter replacement is provided. The projector comprises a housing, a filter, a first sensor, and a device. The first sensor is arranged inside the housing for measuring the temperature therein to obtain a first measurement value. When the first measurement... Agent: Attn: Juan Carlos A. Marquez Reed Smith LLP

20060274282 - Projector: The present invention provides a projector comprising a vent device disposed in an opening of the case through which heat flow generated from the light device is transmitted out of the projector. The vent structure comprises a first vent structure and a second vent structure. The first vent structure and... Agent: Birch Stewart Kolasch & Birch

20060274283 - Rear projection display: A rear projection display, including a base, a partition, a frame, and an optical engine, is provided. The partition is disposed in the base for defining a system space and a lens adjusting space, wherein the system space and the lens adjusting space are exposed by a front opening on... Agent: Jianq Chyun Intellectual Property Office

20060274284 - Illumination arrangements for colored light sources: Embodiments of apparatuses, articles, methods, and systems for illumination arrangements for combining light paths of colored light sources are generally described herein. Other embodiments may be described and claimed.... Agent: Schwabe, Williamson & Wyatt, P.C.

20060274285 - Projector and color filtering device thereof: A projector and a color filtering device thereof. The color filtering device for filtering a light includes a first filter and a second filter. The first filter includes a yellow filter area, a cyan filter area and a green filter area. The second filter includes a magenta filter area. The... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20060274286 - Image presentation device with light source controller: An image presentation device (100) includes a set of color light sources (122, 124, 126) and a micro-display panel (150) capable of operating in both image processing and non-image processing modes. A sensor (170) is coupled to the micro-display device (150) to convert light received from the light source (122,... Agent: Miller Johnson Snell Cummiskey, PLC

20060274287 - Light source array for lcd applications: A light source (100) includes a plurality of light emitting devices (101), each of which output light that is collimated by a first focusing structure (103). The collimated light is input to second focusing structure (104), which focuses light from the light emitting devices as a single beam that is... Agent: Philips Intellectual Property & Standards

20060274288 - Multiple location illumination system and projection display system employing same: An illumination system is disclosed for use with an array of imaging mirrors such as in a projection imaging system. The projection imaging system includes projection optics and first and second light source assemblies located in first and second illumination locations. The imaging mirrors are individually controllable between first and... Agent: 3m Innovative Properties Company

20060274290 - Projector: A projector includes a projector body that enlarges and projects image light and an image reproducing device that reproduces an image relating to the image light. The projector body and the image reproducing device are integrally arranged in a vertical direction such that the projector body is above the image... Agent: Oliff & Berridge, PLC

20060274289 - Projector assembly provided with an auxiliary device: A projector assembly includes a projector casing and an auxiliary device. The projector casing is formed with a mating aperture, and has a first light source for emitting light beams defining an optical path of the projector assembly. The auxiliary device includes a mating part inserted detachably into the mating... Agent: Birch Stewart Kolasch & Birch