Optics: image projectors inventions 04/06

20060087620 - Color management method of a spatial light modulator: A color management method of an SLM performs the color management function by forming a plurality of micro color filters corresponding to each pixel, and adjusting the transmission rate of the micro color filters....

20060087619 - High efficiency lighting system, scrolling unit and projection system employing the same: A highly efficient lighting system, a scrolling unit, and a projection system adopting the highly efficient lighting system and the scrolling unit are provided. The scrolling unit has at least one lens cell. From the viewpoint of light incident upon the at least one lens cell, the rotation of the...

20060087621 - Lcos display system with software/firmware correction enabling use of imperfect lcos chips: A LCoS projection display system using two LCoS chips and software or firmware to control the chips so that any defects in the first chip that result in incorrectly displayed pixels are corrected by production of compensating illumination provided by the second LCoS chip....

20060087622 - Projector apparatus and methods: In accordance with at least one embodiment of the present invention, data can be read from an optical element, and an operational parameter of a projector component can be adjusted based on the data....

20060087623 - Display device: A display device has a screen, a housing, a mirror, and a projector. The housing extending away from one side of the screen and has an opening. The mirror is disposed within the housing. The projector is moveable relative to the housing to selectively engage the opening for projection at...

20060087625 - Projection apparatus: A projection apparatus includes a light source for generating a light beam, and a light-filtering device disposed on the path of the light beam. The light-filtering device has a plurality of light-filtering segments. The light-filtering segments are adjacent and arranged to be a ring-shape structure, wherein at least one of...

20060087624 - Projection system with optical filter: A projection system is disclosed that includes a light source, a spatial light modulator, and an optical filter. The light source is configured to generate a light beam having a spectral distribution spanning a set of primary colors. The spatial light modulator has an array of pixel elements. Each pixel...

20060087626 - Projector alignment method and user interface: A method for indicating required movement of a projector relative to a display surface, wherein the projector has an auto-focusing range, the method comprising; measuring the distance between the projector and the display surface, determining, from the measured distance and the auto focusing range, a required movement of the projector...

20060087627 - Image projection table: An image projection table including: a projector which projects an image; a housing in which the projector is housed; and a top plate on which the image projected from the projector is projected, wherein the top plate includes an operational part for operating the projector, and a top plate driving...

20060087628 - Large size image projection: A plurality of image projection modules is operative for causing selected pixels in overlapping raster patterns to be illuminated to produce a large size image of high resolution of VGA quality in monochrome or color. The selected pixels in an overlap region of the patterns are illuminated at a lesser...

20060082731 - High contrast stereoscopic projection system: A stereoscopic projection system is provided having two channels, each having two LCOS imagers that modulate light on a pixel-by pixel basis. A first polarizing beam splitter is configured to direct light of a first polarization onto a first channel first stage LCOS imager and direct light of a second...

20060082732 - Projection type video display apparatus: There is provided a heat conductive portion for conducting heat generated by an LED light source to cooling liquid at a rear side of each LED light source. Each heat conductive portion is connected one another with a pipe, and the cooling liquid flowing in the pipe is sequentially circulated...

20060082733 - Projector apparatus, display output method and display output program: To provide a projector apparatus capable of giving attention stably and clearly to a specific area within an image projected and displayed on a screen, and to provide a display output method and display output program of the apparatus. For that purpose, the projector apparatus for projecting and displaying an...

20060082735 - Color display device using dichroic filter: A color display device is disclosed. The color display device includes an illumination lens system, a diffractive light modulation system, a combining system, a Fourier filter system, and a projection system. The illumination lens system converts a plurality of light beams into linear parallel light beams. The diffractive light modulation...

20060082734 - Projection systems and methods for both color and monochromatic displays: A projection system for both color and monochromatic displays includes a color wheel having filter portions of different colors and a clear portion; and a drive system configured to keep the color wheel moving while keeping a projection light beam shining through the clear portion of the color wheel....

20060082736 - Apparatus and method for generating an image: An apparatus for generating an image comprises a projection means, which is designed to generate an image on a projection area, a detection means, which is designed to generate a detection means signal in dependence on a position or change of position of the projection means, and a control means,...

20060082737 - Micro-displays: A micro-display has a device chip with a transparent layer overlying one or more micro-electromechanical system devices. A transparent cover overlies the transparent layer. An index-of-refraction-matching medium is interposed between the transparent layer and the transparent cover. An index of refraction of the index-of-refraction-matching medium is substantially equal to an...

20060082738 - Projection apparatus: A projection apparatus comprising a light valve disposed in a housing having an opening is provided. The opening is sealed by a transparent plate to separate inside and outside of the housing. A lens and a light source providing a light beam are disposed outside of housing. The light beam...

20060082739 - Panel locating method of a projecting system: A panel locating method of a projecting system. A first panel is fixed on a first surface of an optical kernel, and an image of the first panel is projected to a lens via the optical kernel. Position of the lens is adjusted to a focus position, and the second...

20060082740 - Auto adjustment video projector (aavp): A video projector equipped with a sensor assembly made of video cameras and with a processor. The sensor assembly allows capturing the projection surface. The processor analyses the video frames from the sensor assembly in order to compute and update automatically the optimum projection parameters. The video projector will set...

20060077350 - 3-panel transmissive projection system: The invention relates to a 3-panel transmissive projection system. In particular, the invention relates to a 3-panel transmissive projection system applying reflective type polarizers for both polarizing and analyzing operations in the projection system....

20060077351 - Image displaying apparatus and control method thereof: An image displaying apparatus including a display unit and an image outputting unit outputting an image to the display unit. The image displaying apparatus comprises a sync signal outputting unit processing an input signal and outputting a first sync signal, an internal sync signal generating unit generating a second sync...

20060077352 - Image projection system and a method of controlling a projected pointer: The present invention relates to an image projection system whereby a display position of a pointer on a projected image can be easily controlled from a location separated from the main control means. The system comprises a liquid crystal projector, a personal computer for controlling the liquid crystal projector to...

20060077353 - Image projector having a led light source: An image projector having a LED light source comprises: an optical engine using the LED as the light source, a PCB module, a heat sink module and a main frame. The printed circuit board (PCB) module further comprises: a first circuit board, a second circuit board, at least one I/O...

20060077354 - Laser projector having temperature control: A laser projector including a cooling system having an internal wall dividing the housing into a first compartment containing the optical components and a second compartment containing the electrical components, wherein the internal wall has a first face receiving the optical components and a second face receiving the electrical components...

20060077355 - Digital correction module for video projector: A geometry correction module for a fixed pixel raster projector to project an image onto a projection surface is provided. The geometry correction module includes a receiver and a geometry corrector. The receiver collects an input pixels grid that represents an input image. The geometry corrector generates an output pixels...

20060077356 - Transportable projecting device: A transportable projecting device, particularly for home cinemas, including a fabric or film-like, foldable projecting screen with a rectangular base and with fastening points for mounting arranged in the corner areas, as well as a stand with a bottom base and an upper support. The support is designed like a...

20060077357 - Projector: Aspects of the invention can provide a projector that includes three optical modulators which modulate respectively red light, green light, and blue light, a color-synthetic optical system which synthesizes the light modulated by the three optical modulators, and a projection optical system which projects the light synthesized by the color-synthetic...

20060077358 - Projection device having single light valve: A projection device having single light valve has a light source, a projection lens, an imaging unit and a beam breaker. Moreover, the imaging unit has a color production device and a valve. When the beam provided by light source propagates to the color production device, the color production device...

20060077359 - Projector with adjustable image offset: A projector includes illumination optics for providing light beams, a light modulating apparatus for receiving and modulating the light beams, and a projection lens for projecting an image of the light beams received from the light modulating apparatus. The projector also includes a first adjusting device for adjusting a position...

20060077360 - Elevator installation with information representation on a shaft door: An elevator installation includes an elevator car moved in an elevator shaft between floors in a building. A shaft door for closing the elevator shaft is arranged at each floor. A method for representing information on the shaft doors makes possible a qualitatively high-grade projection of an image on the...

20060072074 - Image display apparatus: According to the present invention, there is provided an image display device including a non-luminous reflection type spatial light modulating element, illuminating system to illuminate the reflection type spatial light modulating element and a projection lens and in which light from a light source (2) illuminates the reflection type spatial...

20060072075 - Projection system with contrast homogeneity correction: The invention relates to a projection system (10) for projecting an image onto a screen (16). The system (10) comprises a main video projector (14) arranged to project a main image onto the screen (16), and further a contrast correction projector (12) arranged to project a correction image onto the...

20060072076 - Interactive projection system and method: A method and system of selectively projecting images is disclosed. An illuminated area is created on a projection surface by directing a light source to the projection surface. The illuminated area is detected with a camera. Electrical signals are transmitted from the camera to the projector, the electrical signals being...

20060072077 - Rear projector: A rear projector that can be made slim and compact and can prevent image reversal. The rear projector includes a cathode ray tube to scan light and generate an image, a projection lens unit to magnify and project the image generated by the cathode ray tube, a screen on which...

20060072078 - Illumination unit having an led and image projecting apparatus employing the same: An illumination unit includes a first heat conducting plate and a plurality of light source modules to emit a plurality of lights having different colors, each light source module having at least one LED mounted on the first heat conducting plate and at least one corresponding collimator to collimate the...

20060072079 - Projection display system with micro-mirror light modulator: A micro-mirror light modulator and associated projection display system. The projection display system includes a light source, a linear light source illumination system that transforms a light emitted from the light source into a thin linear light, a micro-mirror light modulator that selectively diverts the direction of the incident thin...

20060072080 - Ceiling-mounted projection system: A ceiling-mounted projection system has a projector mounted above the ceiling, and a periscope assembly that can be moved by a motor along a vertical axis between a raised position in which the periscope assembly is retracted into the ceiling and a lowered position in which the lower portion of...

20060072081 - Combination structure for projection device: A projection device comprises a plurality of elements, a base seat and an outer cover. The elements are used for respectively executing specific functions to cause the projection device to operate. The base seat comprises a first side surface and a second side surface, an element fixing structure is disposed...

20060072082 - Device for cooling lcd panel and heat treatment apparatus having the same: A heat treatment apparatus for manufacturing a liquid crystal display panel through an in-situ process includes a body and a hardening unit, an annealing unit, and a transferring unit disposed on the body. The hardening unit heats a sealing member within a liquid crystal display panel to harden the sealing...

20060072083 - Projector: A projector includes a light source, an electro-optic device, a projection device, and a first seat and a second seat. The electro-optic device has plural light modulation devices that modulate lights emitted from the light source according to image information, and a light combining device, provided with plural light incident-side...