Optics: image projectors inventions 01/09

20090027620 - Portable multimedia projection device: A portable multimedia projection device is provided for showing the multimedia information for a plurality of audiences and promoting the sharing quality of the multimedia information. The portable multimedia projection device includes a data storage unit, an image projecting unit, a control circuit, and an independent power. The data storage... Agent: Volpe And Koenig, P.C.

20090027621 - Image display device: An image display device including a projecting arrangement disposed in proximity with a transparent surface, the transparent surface being configured to receive an image from the projecting arrangement on a first side of the transparent surface, wherein the image is viewable from a second opposite side of the transparent surface.... Agent: Cantor Colburn, LLP

20090027622 - Three-dimensional internal projection system: A projection system that projects coherent light rays from a coherent light (e.g., laser) source onto an inner reflective surface of a three-dimensional viewing space is disclosed. A relatively compact and low-power laser light image can thereby be formed and seen by an observer from inside the viewing space. Raster... Agent: Pepper Hamilton LLP

20090027625 - Image projection apparatus and a light source module thereof: An image projection apparatus includes a light source module, a lens unit, a light valve, and a projection lens. The light source module includes at least one laser array, at least one reflecting unit, a diffusing member, and a light uniformizing unit. The laser array includes a plurality of laser... Agent: Banner & Witcoff, Ltd.

20090027623 - Optical apparatus and projection display system: An optical apparatus may include spectroscope means for splitting light irradiated from a light source into multiple color rays, polarizer means for polarizing the multiple color rays split by the spectroscope means, and trimming filters each trimming a wavelength component of at least one of the multiple color rays polarized... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20090027624 - Projection apparatus: A projection apparatus is provided. In this projection apparatus, the first light source, the second light source and the third light source provide the first colored light, the second colored light and the third colored light, respectively. The first digital micromirror device (DMD) modulates and reflects the first colored light,... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20090027626 - Illumination system adapted for a projection apparatus and cooling air guiding apparatus thereof: An illumination system adapted for a projection apparatus is provided. The illumination system comprises a cooling air guiding apparatus, a lamp, and a cooling fan. The cooling air guiding apparatus comprises an air intake device and an adjustment device, while the adjustment device comprises an air-flow adjustment element and an... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20090027627 - Image projection apparatus and image display system: The image projection apparatus includes a heat generating member disposed inside the apparatus, an exhaust fan exhausting an air that has cooled the heat generating member to the outside of the apparatus, and a duct guiding the air from the heat generating member to the exhaust fan. An outflow opening... Agent: Morgan & Finnegan, L.L.P.

20090027629 - Image projection method and projector: An image projection method and a projector are provided to be able to change aspect ratio or resolution of a projection image, without setting of keystone correction again. The projector sets a displayable region with a shape according to an aspect ratio and a resolution of the projection image. The... Agent: Birch Stewart Kolasch & Birch

20090027628 - Projector: In a case in which reflecting surfaces are held in a horizontal condition, and a reflecting surface of a reflecting mirror on which a projection light falls is formed into a planar surface, individual light rays fall on positions on a table surface. As these positions are evenly spaced, an... Agent: Banner & Witcoff, Ltd. Attorneys For Client No. 016689

20090027631 - Illumination system: An illumination system includes a first light source, a second light source, a light-uniforming component and a color wheel. The first light source is disposed at a side of the color wheel and provides a first light beam, and the second light source is disposed at another side of the... Agent: Jianq Chyun Intellectual Property Office

20090027630 - One-way display using color filter: A one-way display system includes a transparent screen and a transparent color filter. An image is emitted by the screen or projected onto the screen. The image is formed from a combination of colored lights. Instead of spanning all the wavelengths of each color, each light only spans a narrow... Agent: Patent Law Group LLP

20090027632 - Bag type presentation apparatus: A bag type presentation apparatus is disclosed. The apparatus includes a bag-shaped case body having an upper case and a lower case, a curved reflective screen having a focus, and a small projector. The reflective screen is mounted at an inner surface of the upper case and has a reflectance... Agent: Bacon & Thomas, PLLC

20090027633 - Method of calibrating projection lens: A method of calibrating projection lens in a projector is disclosed herein. The method includes setting a coordinate matrix over a visible region of a projector, checking whether a coordinate of a mobile target of the projection lens is located within the visible region, and moving the projection lens to... Agent: North America Intellectual Property Corporation

20090021699 - Color management system: A color management system includes a light combiner configured for producing a single light output, a color selector positioned to receive the combined light output and configured for selectively modifying the polarization of the combined light output according to the wavelength of the combined light output, an analyzer positioned to... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang

20090021700 - Illumination device, projection video display device, and fly-eye lens: An illumination device includes a light source for emitting a light flux having a solid angle; an optical element for converging the light from the light source in at least one direction to convert the light into parallel light; and a fly-eye lens for allowing incidence of the parallel light... Agent: Mots Law, Pllc

20090021701 - Projecting system: A projecting system includes a light source for emitting light, a color temperature detecting device for detecting a color temperature value of the light emitted from the light source, a control device for storing a plurality of selectable pre-determined color temperature values therein for a user to select a pre-determined... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang

20090021702 - Multi-projection kiosk for digital signage: A projection kiosk for a multi-projector digital signage system includes an enclosure and a frame disposed therein. The frame includes attachment points which can hold in position a plurality of projectors. The projectors may be aligned with sub-pixel-resolution accuracy to enable projection of pixel-aligned images onto a screen. The enclosure... Agent: Hewlett Packard Company

20090021703 - Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus: A projection optical system for use in an image projection apparatus illuminating a lightbulb forming an image in accordance with a modulating signal with illumination light from a light source is disclosed. The projection optical system includes first and second optical systems arranged along an optical path defining an upstream-downstream... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20090015791 - System and method for generating correspondence mappings using infrared patterns: A method performed by a display system is provided. The method includes projecting a first infrared pattern from a first projection plane of a first projector into a scene, capturing the first infrared pattern from the scene in a capture plane of at least one image capture device, and determining... Agent: Hewlett Packard Company

20090015792 - Projector and control method for the same: A projector, includes: a projector body that includes an optical modulator that modulates light emitted from a light source according to an inputted image data to form an optical image and a projection optical device that projects the formed optical image in an enlarged manner; an audio system that includes... Agent: Advantedge Law Group, LLC

20090015793 - Integrated interactive drawing and entertainment projector: An integrated interactive drawing and entertainment projector comprises a base having a top surface defining a receptacle for a sheet of paper. The housing is attached to the base. A film having at least one image thereon is received in the housing. A projector within the housing is operatively associated... Agent: Swanson & Bratschun, L.L.C.

20090015796 - Illumination apparatus and projection display apparatus: The illumination apparatus includes a color separator configured to separate a white light beam, emitted from a white light source, into a plurality of color component light beams, a plurality of imagers each configured to modulate a corresponding one of the plurality of color component light beams separated by the... Agent: Mots Law, PLLC

20090015795 - Method of manufacturing optical compensation element and projector: A projector with a specially manufactured optical compensation element is disclosed. One method of manufacturing the optical compensation element temporarily attaches an inorganic substrate made of a birefringent inorganic material to a base member with a temporary bond, grinds/polishes the inorganic substrate, attaches a light transmissive support substrate to a... Agent: Advantedge Law Group, LLC

20090015794 - Polarization conversion unit, polarization conversion device, and projector: A polarization conversion unit includes a polarization splitting element array including a plurality of polarization splitting films for splitting the incident light beam into two types of linearly-polarized light beams, a plurality of reflecting films for reflecting either one of the linearly-polarized light beams obtained by the polarization splitting films,... Agent: Advantedge Law Group, LLC

20090015797 - Projector device, laminate type light-emitting diode device, and reflection type light-emitting diode unit: A laminate type light emitting diode device having excellent heat radiation performance and high output capability is provided. A plurality of reflection type light emitting diode units 10 each of which includes a light emitting diode 2 and a dichroic mirror 3 in a hollow metal holder case 5 having... Agent: Darby & Darby P.C.

20090015798 - Mounting for interactive display system: The subject invention concerns a display system comprising an interactive display surface and a projector for projecting images onto the display surface. The display surface and the projector are movable in a vertical direction. Calibration between an image projected from the projector and displayed on the interactive display surface is... Agent: Saliwanchik Lloyd & Saliwanchik A Professional Association

20090015799 - Projection system: Miniature projection devices will enable the use of common household objects as the projection screen for still and moving images. This application describes a set of techniques and embodiments for implementing image projection inside a lamp such as a table or wall lamp and provides techniques for dealing with the... Agent: Thomas A. O'rourke Bodner & O'rourke

20090015800 - Projector and brightness adjusting method: A projector includes: a projector body, which has a light modulating device that modulates light emitted from a light source according to input image information to thereby form an optical image and a projection optical device that projects the formed optical image in an enlarged manner; an image output device... Agent: Oliff & Berridge, PLC

20090015801 - Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus: A projection optical system for use in an image projection apparatus illuminating a lightbulb forming an image in accordance with a modulating signal with illumination light from a light source is disclosed. The projection optical system includes first and second optical systems arranged along an optical path defining an upstream-downstream... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090015802 - Adjusting mechanism of light integration rod module, optical engine and projection apparatus: An adjusting mechanism for a rod module adapted to an optical engine is provided. The adjusting mechanism utilizes two wedge-shaped blocks moving in perpendicular directions so as to convert the vertical adjustment of horizontal adjusting component into horizontal adjustment of an LIR module. Therefore, operators may adjust the horizontal and... Agent: Jianq Chyun Intellectual Property Office

20090015803 - Projector: A projector includes a projector main body for enlargedly projecting the optical image, an image output device for outputting the image information to the projector main body, and a connection mechanism interposing between the projector main body and the image output device, and for connecting the projector main body and... Agent: Advantedge Law Group, LLC

20090009719 - Compact image projector: A representative embodiment of the invention provides a compact image projector having a light source coupled to a spatial light modulator (SLM). The light source has a substantially planar structure. The overall size of the SLM is dominated by its length and/or width. The projector has an optical arrangement that... Agent: Mendelsohn & Associates, P.C.

20090009720 - Optical engine: An optical engine including a beam splitting and combining system, which includes a first polarizing beam splitting (PBS) unit, a dichroic unit and a second PBS unit, is provided. A first color beam is reflected by the first PBS unit, is reflected by a first light valve, and passes through... Agent: J C Patents, Inc.

20090009721 - Stress birefringence compensation in polarizing beamsplitters and systems using same: An optical system is provided. The optical system comprises a first polarizing beamsplitter (PBS), a first reflecting image-forming device, and a first quarter-wave retarding element. An optical system is also provided that comprises an image-forming device, a reflective polarizing layer, at least a first birefringent element disposed on an optical... Agent: 3m Innovative Properties Company

20090009722 - Correcting luminance non-uniformity in a tiled projection system: A method of correcting luminance non-uniformity in a tiled projection system is disclosed. The method includes projecting with a plurality of projection devices a composite image wherein the composite image comprises a plurality of tiled images on a display surface with an overall luminance and correcting a luminance non-uniformity of... Agent: Hewlett Packard Company

20090009723 - Methods, systems, and computer program products for full spectrum projection: A broadband electromagnetic wave beam is projected from a broadband wave source (301). The wave beam is separated by an element (306) into narrowband wavelength beams. The narrowband beams are directed across a predetermined area (312). A narrowband wavelength beam corresponding to a desired pixel wavelength is selected and displayed... Agent: Jenkins, Wilson, Taylor & Hunt, P. A.

20090009725 - Projection system, optical system thereof and projecting method thereof: An optical system for a projector is provided, including a light source generating laser beams, a transforming sheet, a panel, and a lens set. Laser beams from planar light sources penetrate the transforming sheet and are uniformly transformed to be rectangular beams, acting as light beams from a planar light... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090009724 - Projector: A projector includes a first image formation unit including a first color separation system having a first dichroic mirror that separates the light containing first to third color light components from an illuminator into a light beam containing one of the three color light components and a light beam containing... Agent: Advantedge Law Group, LLC

20090009726 - Multi-primary-color digital light splitting and combining system and method, and digital projector: A multi-primary-color light splitting and combining system, includes a dichroic device, receiving an incident light beam and splitting into a first light beam having a first wavelength range and a second light beam having a second wavelength range. The first wavelength range in wavelength value is larger than the second... Agent: J C Patents, Inc.

20090009727 - Projection image display apparatus: A light source disposed in a projector is cooled by use of a coolant. A cooling unit is disposed in a region that is spatially separated from at least an optical unit and an electrical circuit unit. In addition, piping between the cooling unit and a cooling member is separated... Agent: Mots Law, PLLC

20090009729 - Electronic device and method for controlling the same: The disclosure refers to an electronic device and methods for cooling an object within the electronic device. In one example, an electronic device includes a cooling fan for cooling an object. An air-quantity measuring device measures a quantity of cooling air sent by the cooling fan. An ambient-temperature measuring device... Agent: Advantedge Law Group, LLC

20090009728 - Projector with an external air filtration device: A projector includes a housing, an internal projection mechanism, and an external air filtration device. The housing has a ventilation window portion. The internal projection mechanism is disposed in the housing, and includes an imaging system, a light source system for providing a light beam to the imaging system, and... Agent: Townsend And Townsend And Crew, LLP

20090009730 - Light recycling in a micromirror-based projection display system: A digital micromirror projection display system is disclosed in which “off” pixel light is recaptured and recycled. In the disclosed system, a digital micromirror device directs incident light for “on” pixels in the image to be displayed through projection lenses to a projection screen. The digital micromirror device directs incident... Agent: Texas Instruments Incorporated

20090009731 - Optical beam scanning device, image forming apparatus: An optical beam scanning device includes a polygon mirror 80 in which tilt angles with respect to a rotation axis of the polygon mirror 80 of respective plural reflecting surfaces are set to angles corresponding to photoconductive members associated with the respective reflecting surfaces, a post-deflection optical system A1 that... Agent: Amin, Turocy & Calvin, LLP

20090009732 - Projection display system using laser light source: The present invention provides a projection apparatus that includes a mirror element and a drive circuit for driving a laser light source for projecting an illumination light. The projection apparatus further includes mirror device for modulating the illumination light and a projection lens for projecting the modulated light from the... Agent: Bo-in Lin

20090002635 - Color separation and synthesis systems, color separation systems and color synthesis systems, illumination optical systems, projection optical systems, and projection display devices using these systems: Color separation and synthesis systems, color separation systems and color synthesis systems, illumination optical systems, projection optical systems, and projection display devices using these systems include a wavelength-splitting element that reflects linearly polarized light of one wavelength and transmits light of another wavelength; a polarization-transforming element that changes the direction... Agent: Arnold International

20090002636 - Color separation and synthesis systems, color separation systems and color synthesis systems, illumination optical systems, projection optical systems, and projection display devices using these systems: Color separation and synthesis systems, color separation systems and color synthesis systems, illumination optical systems, projection optical systems, and projection display devices using these systems include a wavelength-splitting element that reflects linearly polarized light of one wavelength and transmits light of another wavelength; a polarization-transforming element that changes the direction... Agent: Arnold International

20090002634 - Illumination optical system and projection-type image display apparatus using the same: l

20090002633 - Projector: A projector including a lighting device for emitting light including first, second and third colored light beams. A first dichroic mirror separates the light into the first colored light beam by reflecting the light in a certain wavelength range and transmitting the light in another wavelength range and transmitting the... Agent: Oliff & Berridge, PLC

20090002637 - Image projection system and image geometric correction device: An image geometric correction device 6 unifies the coordinate systems of images captured by image capturing devices 4-1 and 4-2 into a coordinate system, and makes a geometric correction to the images projected by image projection devices 1-1, 1-2, and 1-3 on the basis of an image projection region E... Agent: Birch Stewart Kolasch & Birch

20090002640 - Display device and method using laser light sources and record media recoded program realizing the same: A display device includes a red laser light source which irradiates light in wavelength range of 636 nm to 645 nm; and a light projector which modulates and project the light on screen. With a display device according to embodiments of the present disclosure, the projected image may be by... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20090002639 - Fly-eye lens, optical unit and display apparatus: A fly-eye lens includes multiple sub-lenses laid out in a matrix form, wherein a part of the lens surface of one sub-lens of the multiple sub-lenses has an oddly-shaped part having a different shape from the shape of the lens surface of the other sub-lenses.... Agent: David W. Hill Finnegan, Henderson, Farabow,

20090002638 - Projection display apparatus: A projection display apparatus includes: an illumination optical unit which emits beams; an image display element which modulates the beams according to image information; a spatial-beam changing unit which changes spatial positions of the beams emitted from the illumination optical unit; and a uniform-beam distribution unit, disposed between the spatial-beam... Agent: Sughrue Mion, PLLC

20090002641 - Color temperature adjusting apparatus and method thereof: A projector includes a projecting lens configured for projecting an image, a controlling unit configured for analyzing a color temperature of the image, and an adjusting unit electrically connected to the controlling unit. The adjusting unit adjusts the color temperature of the image to be identical to a preset color... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20090002642 - Housing assembly and projection device having the same: A housing assembly which comprises a primary housing, a secondary housing and a moving mechanism is provided. The primary housing has a first external contour and an opening disposed on the primary housing. The secondary housing has a second external contour. The moving mechanism connects the secondary housing to the... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20090002643 - Shaped mirror on a projection ray path for display instruments: A projection display having a projection path through a shaped mirror positioned perpendicular with the screen. The shaped mirror positioned on a projection path reduces the depth of the projection display while eliminating image distortion at the center of the screen.... Agent: Joseph J. Laks Thomson Licensing LLC

20090002644 - Invisible scanning safety system: An invisible scanning safety system for use with laser projection systems that includes sensors monitoring less than the entire laser accessible region such that the region monitored is reduced to almost the absolute minimum, to thereby prevent unwarranted stoppages or disturbances in projection. The system may also monitor a 360... Agent: Grant R Clayton Clayton Howarth & Cannon, PC

20090002645 - Lens-shifting device: A lens-shifting device including a base, two fixing rods, a sliding plate, a first and a second gear set is provided. The sliding plate is slidably mounted on the fixing rods via the fixing rods. A lens is fixed on the sliding plate and the sliding plate has a rack... Agent: Jianq Chyun Intellectual Property Office

20090002646 - Angle-adjusting assembly and angle-adjusting mechanism thereof: An angle-adjusting mechanism includes a first disk, a second disk, a fixing element and an elastic element. The first disk has a spindle hole and a plurality of positioning end notches disposed adjacent to the spindle hole. The second disk has a spindle fitting the spindle hole to enable the... Agent: Jianq Chyun Intellectual Property Office