Optics: image projectors inventions 05/06

20060109425 - Light tunnel with gradient filter layer: A light tunnel with a gradient filter layer includes a light tunnel body and a gradient filter layer. In this case, the gradient filter layer is disposed at a light emerging side. The transmission rate at the central area of the gradient filter layer is smaller than the transmission rate...

20060109426 - Projector with automatic focusing assistance: A projector with automatic focusing assistance includes a focus control for controlling the focus of optics of the projector, and a focus control use sensor. The projector automatically displays a focus assistance element when the focus control use sensor detects use of the focus control. A method of operating a...

20060109427 - Image projection apparatus: An oblique projection optical system for leading rays of light from a display surface on which an image is displayed to a projection surface in such a way that the ray of light from the center of the display surface is obliquely incident on the projection surface in order to...

20060109428 - Rear projection system: A rear projection system includes a light source, a light tunnel and a gradient filter layer. In this case, the light source emits a light beam. After being split, the light beam is transmitted into the light tunnel from an incident side and comes out the light tunnel from an...

20060109429 - Projector having an illuminance detector: The invention provides a projector having a light source, a display device to modulate light emitted from the light source, a lens device to project light emitted from said light source via said display device, wherein said lens device has a diaphragm mechanism formed having an aperture, an ambient light...

20060109430 - Automatic zoom for screen fitting: A method for projecting an image with a projection system includes zooming said projected image in accordance with a resolution of the image, when a resolution of the image is less than a resolution corresponding to the projection system. A projection system for projecting an image based on a received...

20060109431 - Method and apparatus for displaying 3-d image: An apparatus for displaying a 3-D image has a projector, and a projection controller. The projector has a projection optical system, and projects a series of 2-D images on different projected-positions in a depth direction, in order, by using light passing through the projection optical system. Each 2-D image is...

20060109432 - System and method for calibrating position of microscope slide within storage receptacle: System and method for calibrating the orientation or arrangement of slides in a storage receptacle. A reflective marking is asymmetrically applied to a side or edge of a slide, forming reflective and non-reflective sections. Light is directed to the slide, and a sensor detects light that is reflected by the...

20060109433 - Projection apparatuses: A projection apparatus. A support pedestal is slidably disposed on a base. An optical engine is disposed on the support pedestal. An alignment mechanism is disposed on the base and connected to the support pedestal, adjusting the position of the optical engine with respect to the base. The alignment mechanism...

20060109434 - System and method for light source modulation: In one embodiment, a method for modulating light in an image display system includes generating a plurality of light beams. The amount of light beams that are received by a modulator is selectively varied, and the modulated light beams are received at the modulator....

20060103809 - Polarization conversion assembly to complement angular transmission distribution of polarizing light modulator: An apparatus, system, and method for a polarizing conversion assembly adapted to provide polarized light having an intensity distribution to complement an angular transmission distribution of a corresponding light modulator are disclosed herein....

20060103810 - Projection apparatus: A projection engine uses a first polarizing beam splitter (PBS) that substantially reflects light incident along a first input direction in a first polarization state and substantially transmits light incident in the first input direction in a second polarization state orthogonal to the first polarization state. The first PBS demonstrates...

20060103811 - Image projection system and method: In an embodiment, an apparatus includes a projection subsystem to project an image-containing beam, and an image adjustment element. The image adjustment element is to cause adjustment of the image-containing beam in response to a detection of relative movement of the apparatus with respect to a reference object. A method...

20060103812 - Projection display system: A projection display system comprises an illumination device, a prism assembly, a projection lens and a reflective light valve. The prism assembly has a first light incident surface, a first light emitting surface and a second light emitting surface. The first light emitting surface is an optical curved surface. An...

20060103813 - Color wheel, and method and jig for producing same: In a color wheel comprising a plurality of color filter segments arranged so as to form a disk and a support member fixed to the color filter segments, the color filter segments are each outlined only by a circular arc and two straight lines passing through the center of the...

20060103814 - Lamp to illumination optics assembly interface: A lamp and illumination optics assembly interface includes an illumination optics mount having a plurality of datum features formed thereon, and a lamp, wherein the lamp is configured to be substantially directly coupled to the illumination optics housing....

20060103815 - Optical shutter with rotational axis in light path of projection device: An apparatus, system, and method for an optical shutter with a rotational axis in the light path of a projection device are disclosed herein....

20060098166 - Vehicular optical system: An optical system for vehicle operating monitoring is disclosed. The optical system includes at least one illuminator that illuminates a profile of a vehicle operator and an imager in optical communication with a reflector that captures a reflected image of the vehicle operator profile from the reflector. A method is...

20060098167 - Projector device, projecting method and recording medium in which projection control program is recorded: A projector device includes a region designating unit that designates a specific region with respect to an image projected, a determining unit that determines a length as a reference for enlargement of an image portion defined within the region designated by the region designating unit, an image enlarging unit that...

20060098168 - Rear projection imaging system with image warping distortion correction system and associated method: A rear projection imaging system with an image warping distortion correction system using a camera and processing unit to generate a warping map that corrects for image distortion. The warping map is generated in an iterative process by displaying a known pattern on a viewing screen and, through the use...

20060098169 - Illumination system for displaying images without colour break: The invention concerns an image display system comprising: a light source emitting an illuminating laser beam, a spatial light modulator controlled by control video signals corresponding to a succession of image frames; a matrix filter consisting of an array of different elementary color filters, illuminated by said illuminating beam and...

20060098170 - Projection display device with enhanced light utilization efficiency: An objection display device (1) includes an illumination portion for providing an illumination light beam, a light separating portion for separating the illumination light beam into a plurality of color light beams (RGB) for being projected onto a reflective display panel (22), and a projection lens (23). The light separating...

20060098171 - Projection display apparatus: A projection display apparatus comprises luminous bodies, a luminous body driving portion which drives to turn on each of the luminous bodies, light leading members which optically separately lead and project light beams exiting from the luminous bodies, a movable portion which enables relative movement of the light leading members...

20060098172 - Image display apparatus and method, and driving apparatus and method: The present invention provides an image display apparatus including a spatial light modulating element formed with a plurality of light modulating elements for each modulating light from a light source and arranged in a row or a plurality of rows, a projection optical system for forming a first image on...

20060098173 - Reflector and liquid crystal display module with the reflector: A reflector capable of preventing stain caused from the interference among the beams of light, for reflecting light incident on an LCD module to utilize the light as a light source for display. The reflector includes a plurality of projecting and recessing patterns which are irregularly disposed on the reflector,...

20060098174 - Image output apparatus and control method thereof, and image output system: An image output apparatus has a communication unit which can communicate with a plurality of external devices, displays an image received from an external device through the communication unit, and acquires, from an external device serving as a provision source of the image being displayed, indication information related to sending...

20060092379 - Image-guided microsurgery system and method: The present invention provides an image-guided microsurgery system comprising a real-time three-dimensional microscopic imaging device and a three-dimensional display device. The imaging device generates an all-in-focus image or in-focus depthwise images with depth information in various fields of view, and the display device shows realistic three-dimensional images with features including...

20060092380 - Clean-up polarizer and gamma control for display system: In some embodiments, an optical engine for a display system utilizes a wire grid clean-up polarizer for polarization cleanup. In some embodiments, a liquid crystal component, separate from the spatial light modulator, is utilized for gamma control. Other embodiments are disclosed and claimed....

20060092381 - Image rendition using sequential color rendition: The invention relates to a method for rendering an image sequence. wherein an individual image is rendered by rendering monochromatic subimages in temporal succession. A subimage sequence obtained by temporal sequencing of the subimages is generated in motion-compensated fashion....

20060092382 - Optical device and projector: An optical device, includes: an optical modulator that modulates a light beam irradiated by a light source in accordance with image information to form an optical image; an optical modulator holder that has a cooling chamber with cooling fluid sealed therein and holds the optical modulator so that heat can...

20060092384 - Projector: A projection position adjuster (8) of a projector includes a fixing plate (81), a first moving plate (82) that can move in a Y-axis direction and an X-axis direction orthogonal to each other in a plane orthogonal to a projection direction, a first adjusting driver (86) that moves the first...

20060092383 - System and method for projector external hazard proximity protection: A proximity sensor disposed in an information handling system projector detects external hazards to the operation of the projector to allow corrective action that addresses the hazard. For instance, an RF, IR or reflective sensor located proximate the projector lens detects an object positioned to block illumination from the lens....

20060092385 - Projection image display apparatus and projection optical unit to be used therein: if assuming that a distance for a light beam of an upper end of the enlarged image to reach the screen after being reflected upon a free shaped surface is “L1”, a distance for a light beam of a lower end of the enlarged image to reach the screen after...

20060092386 - Rear-projection type imaging device: It is an object of the present invention to share a projection unit which is a principal component of a rear-projection type imaging device and a chassis are mounted to thereby share a molding die of a base cabinet. Upper cabinets 3 are molded according to the inch size of...

20060092387 - Portable large scale projection display system: The present invention is a portable, configurable, inexpensive large scale projection system. The system is comprised of a plurality of projectors mounted on a structure and a display screen. The structure can be reconfigured to hold more or fewer projectors, and can be disassembled for easy transportation and reassembled. In...

20060092388 - Optical projection apparatus: An optical projection apparatus includes an illumination system, a projection lens unit, a reflective light valve, a first beam breaker and a second beam breaker. A light beam is provided by the illumination system. The projection lens unit and the reflective light valve are disposed on the transmission path of...

20060092389 - Optical projection device and adjusting method theereof: An optical projection device including an illumination system, a reflective light valve and a projection lens is provided. The adjustable reflection sheet is disposed behind the adjustable rod integrator along the light transmission path of the light beam. In addition, the reflective light valve is disposed behind the adjustable reflection...

20060092390 - Projector: A projector includes: an illumination device including a light source that emits a parallel illuminating light beam, lens integrators each having a first lens array to split the illuminating light beam into a plurality of secondary light beams, a second lens array, and a superimposing lens that superimposes the secondary...

20060092391 - Device for fastening and adjusting position of integration rod of projection optical system: The present invention discloses a device for fastening an integration rod to an inner wall of a housing in a projection optical system and for adjusting a horizontal position and a vertical position of the integration rod corresponding to the inner wall. The fastening/adjusting device includes a frame, a sheath,...