Optics: image projectors inventions 10/06

20060238716 - Light source module and image projection apparatus employing the same: A light source module and an image projection apparatus employing the same are provided. The light source module includes: a light-emitting chip installed on a base to generate and emit illuminating light and having reflectivity to reflect light incident on the light-emitting chip; a reflection mirror coupled with the base...

20060238715 - Projection type image display apparatus, and optical unit and polarization splitting unit each used for the apparatus: A polarization splitting section has a structure in that a polarization splitting layer is formed of a light reflecting grid member which is arranged in a grid-shaped pattern on an optically-transparent substrate, and an optically-transparent medium is filled between the grid member and the substrate in contact with the grid...

20060238717 - Method and systems for projecting images: A projection system for projecting images is described. The projection system has an illumination system for generating an illumination beam comprising sequential color portions. The illumination beam is guided to a light modulating means based on light valves, which allows modulating an impinging illumination beam such that it comprises image...

20060238718 - Image rotator: One embodiment of an image rotator includes an image reversion structure that rotates an image by a predetermined number of degrees, and securement structure adapted to removably secure the image reversion structure on a projector....

20060238719 - Optical projection apparatus: An optical projection apparatus including an illumination system, a reflective light valve, an imaging system, and a reflective component is provided. The illumination system is suitable for providing a light beam and the reflective light valve is disposed on a transmission path of the light beam. The reflective light valve...

20060238720 - Illumination unit and image projection apparatus having the same: An illumination unit and an image projection apparatus having the same are provided. The illumination unit includes: at least one light source unit which radiates a collimated light beam; an optical integrator which converts the collimated light beam from the at least one light source unit into a uniform light...

20060238721 - Liquid immersion lithography system having a tilted showerhead relative to a substrate: A liquid immersion lithography system includes projection optics and a showerhead. The projection optics are configured to expose a substrate with a patterned beam. The showerhead includes a first nozzle and a second nozzle that are configured to be at different distances from a surface of the substrate during an...

20060238722 - System and method for automated projector lamp management: An information handling system projector tracks lamp usage to generate a lamp order form for order of a replacement lamp when lamp usage is a predetermined usage. The lamp order form is automatically generated and displayed to include lamp usage and projector identification information so that a user need not...

20060238723 - Low profile, large screen display using a rear projection array system: Low-profile, large screen display using a rear projection array system using an array of micro projectors, each comprised of a micro-display device, several optical components, a red/green/blue (RGB) light emitting diode (LED) light source, a light sensor device for each color and power driving and interface electronics circuits. The plurality...

20060238724 - Portable projection device: The invention discloses a portable integrated electronic device for community learning, data transmission, entertainment and public governance which comprises a housing that accommodates a plurality of sub-assemblies. The sub-assemblies include a projector for projecting video and digital data into a predetermined ultra large size image over a surface external to...

20060238725 - Projection apparatus provided with a modular device: A projection apparatus includes a casing having a first surface, a modular device having a second surface, and a tongue member complementing with the first surface and protruding outwardly from the second surface. The tongue member has an approximate section and a distal section with a cross-section greater than a...

20060232747 - Aerial display system: A aerial display system comprising inexpensive optical elements and a high brighted LCD display or similar video image display types provides floating images in an inexpensive enclosure. In the aerial display system, either an anti-reflective acrylic plastic layer or a circular polarizer is disposed proximate and parallel to a beam...

20060232750 - Optical member and illuminating device: There are provided an optical member, an illuminating device, and a projection type video display apparatus, capable of satisfying both or at least one of the following two functions. That is, one is to prevent light re-incident upon a reflective polarizer from becoming linearly polarized light having an undesirable polarization...

20060232749 - Polarized projection display: A projection display system includes (1) a first polarizer, (2) a transparent screen, (3) a second polarizer on the transparent screen, and (4) a projector for projecting an image through the first polarizer and onto the transparent screen. The first and the second polarizers have different polarization directions so that...

20060232748 - Unpolished optical element with periodic surface roughness: An optical sub-system has an optical element having a curved surface featured with a plurality of recurring surface tooling marks. The depth of any surface tooling mark is less than 0.2 wavelengths, whereby light is diffracted on the curved surface. A spatial filter blocks the diffracted light and passes the...

20060232751 - Projector with foreign matter detecting means: A projector has an image generating device for generating an image, and a housing, having the image generating device disposed therein and having an opening defined therein for emitting therethrough projection light representing the image from the image generating device. A projection mirror is mounted on an outer surface of...

20060232752 - Outer suspension type lens shielding mask for projection apparatus: An outer suspension type lens shielding mask for a projection apparatus including a sheet body and holding element, in which a rectangular hole is opened in the sheet body, and the sheet body is combined with the holding element to be fixed on a projection apparatus. Another outer suspension type...

20060227291 - Portable multimedia projection system: A portable multimedia projection system includes a portable housing, a DVD player, a channel tuner, an image projection device, a controller and a remote control receiver. The image projection device externally projects images. The controller is electrically coupled to the channel tuner and the image projection device. The controller directs...

20060227292 - Systems and methods for displaying simulated images: The invention provides systems and methods for generating a visual image that is made to appear to be situated behind an architectural structure, such as a wall of a building, and is viewed through windows thereof. The image appears as an oversize object relative to the actual object. The system...

20060227293 - Two-dimensional image forming apparatus: A two-dimensional image formation apparatus according to the present invention is provided with laser sources (1a)˜(1c), diffusers (6a)˜(6c) for diffusing light, illumination optical systems for irradiating the diffusers (6a)˜(6c) with lights emitted from the laser sources (1a)˜(1c), diffuser vibration units (13a)˜(13c) for vibrating the diffusers (6a)˜(6c), and spatial light modulators...

20060227296 - Light projector: A light-projector that enables its de-icing or removal of condensation water therefrom and thus suitable as, among others headlights, searchlights, spotlights and floodlights is disclosed. The structure of the light-projector includes a housing having a light-exit aperture a cover lens for covering the light-exit aperture, a light source and a...

20060227295 - Light-projector: A light-projector that enable its own de-icing or removal of condensation water therefrom and thus suitable as, among others headlights, rear lights and other illuminating devices in motor vehicles is disclosed. The structure of the light projector includes a housing having a light-exit aperture, a lens covering the aperture, and...

20060227294 - Prism: A prism includes a first internal reflection interface and a second internal reflection interface. The second internal reflection interface is crossed relative to the first internal reflection interface....

20060227297 - Pixel based gobo record control format: A special record format used for commanding light pattern shapes and addressable light pattern shape generator. The command format includes a first part which commands a specified gobo and second parts which command the characteristics of that gobo. The gobo is formed by making a default gobo based on the...

20060227298 - Projector trapezoidal correction: A projector includes an image projecting section that is structured to project an image according to an input image, to a virtual projection plane arranged in a predetermined positional relationship therewith, an imaged-information generating section that has an output-image taking section to take an output image projected to a real...

20060227299 - Projection optical unit and projection type video display device using the unit: In the image display device, a projection lens including a plurality of lenses for enlarging an image from an image display element is constituted of a front group and a rear group. The rear group includes at least one free-shaped-surface lens including a surface having a rotationally asymmetrical shape. Furthermore,...

20060227300 - Imaging system for projector and corresponding projector: The invention relates to an imaging system for projector comprising: an illumination source producing an illumination beam composed of several colours, termed a white beam, at least one coloured wheel for transforming the white beam focussing on the coloured wheel or wheels into a coloured sequential beam, an integrator guide,...

20060227302 - Illuminators using reflective optics with recycling and color mixing: Various optical techniques are described for obtaining a specified light output from an LED source. One technique uses a parabolic reflector surrounding an LED or LED array to create a collimated beam, and the light exit opening of the parabolic reflector is defined by a reflective disc with an opening...

20060227301 - Motorized blend alignment tool: A blending tool is described for blending sub-images of a multi-channel projection system comprising a plurality of projectors. The blending device typically has a number of adjustable optical blending means which each are adapted to be mounted on a projector of said multi-channel projection system. Using a removable controlling means...

20060227303 - Projection display apparatus: A projection display apparatus has a light source, an image forming device for modulating light emitted from the light source with an image signal supplied thereto, and a reflective optical system for magnifying and projecting an image generated by the image forming device. The reflective optical system has a first...

20060227304 - Optical assembly for a projection system: An optical assembly for a projection system includes a light tunnel, a light tunnel holder that supports the light tunnel, an exterior casing that supports the light tunnel holder, a resilient member disposed between the light tunnel holder and the exterior casing to resiliently support the light tunnel holder, and...

20060221303 - Image display device: An image display device includes a plurality of projection units, each of which having a light source section emitting one of basic-color lights, a spatial light modulation section modulating the basic-color light emitted from the light source section according to an image signal, and a projection system projecting an image...

20060221304 - Projection of overlapping single-color sub-frames onto a surface: A method of displaying an image with a display system includes receiving image data for the image. The method includes generating a first single-color sub-frame and a second single-color sub-frame corresponding to the image data. The method includes projecting the first sub-frame with a first projector onto a target surface....

20060221305 - Illumination system and projection system using same: An illumination system, useful for generating illumination light in an image-projection system, has at least a first image-forming panel. A first array of light emitting elements, for example light emitting diodes (LEDs), generates a first light beam associated with a first wavelength range. A second array of light emitting elements...

20060221307 - Image projecting apparatus: An image projecting apparatus includes a projecting optical system having a curved reflection surface on a side closest to a screen on an optical path thereof, a first plane mirror for reflecting the image light emitted from the projecting optical system, a second plane mirror for reflecting the image light...

20060221306 - Projection type image display apparatus: A projection type image display apparatus has: an illumination optical system generating illumination light; a projection optical system projecting an image light onto a screen; a digital micromirror device (DMD) modulating the illumination light so as to form the image light; and a reflection mirror arranged in a position opposite...

20060221308 - Display system controlled based on user behavior and controlling method thereof: A display system controlled based on users' behavior is provided. The display system is used for displaying an image. The display system includes a timer, an analyzing module, and a projecting apparatus. The timer is used for counting a current time. The analyzing module generates at least one standby time...

20060221309 - Projection type of image displaying apparatus: A projection type of image displaying apparatus, comprising: a projection optical system for projecting an image light from an image forming element on a screen, the projection optical system having at least three curved mirrors; and a variable aperture mechanism disposed between a first curved mirror from the image forming...

20060221310 - Illumination unit and image projection apparatus employing the same: An illumination unit and an image projection apparatus employing the same. The illumination unit includes: a first reflective surface reflecting light incident thereon; a light-emitting device generating and emitting illuminating light; and a second reflective surface reflecting light emitted from the light-emitting device to a light source surface that includes...

20060221312 - Projection type image display apparatus: An projection type image display apparatus includes a projection optical system having a plurality of concave mirrors and digital micromirror device (DMD). An optical path from the DMD to the concave mirror closest to the DMD is a sealed space which is surrounded by an image forming device holding plate...

20060221311 - Sliding lens cap for a lens unit of a projector: A sliding lens cap includes a slide plate formed with a slide track unit, and a fixing member adapted to be mounted on a projector adjacent to a lens unit of the projector and in sliding engagement with the slide plate at the slide track unit to permit slidable retention...

20060221313 - Video display device and decoration display body: An image display apparatus that can display three-dimensional-like images having a superior visual effect in a simple manner is provided. This image display apparatus is constituted by a projector 20 and a decorative display unit 10 comprising a light transmitting substrate having multiple colored dots arranged on one surface of...