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| Number | Title | Issue Date |
| 7972011 | Image projection apparatus and image projection system having beam deflection section An image projector according to the present invention includes a light source for emitting a laser beam, of which the intensity has been modulated in accordance with a modulation signal representing an image to be projected, and a beam deflection section for deflect... | 07/05/2011 |
| 7938542 | Optical swiveling device for imaging and/or projection of an object scene An optical swiveling device is specified for imaging and/or projection of an object scene, having a supporting structure, having a detection/transmission unit arranged in the supporting structure, having a pitch frame and having a roll frame, with the pitch frame be... | 05/10/2011 |
| 7909468 | Display device and method A reflective or light redirecting device has a base with an overlaying pattern or light redirector. The pattern can be selected from a collection of masks, templates, or reflective appliques. The device is arranged to reflect or redirect light, for example sunlight,... | 03/22/2011 |
| 7862180 | Optical system for image projection and image projection apparatus The invention provides an optical system for image projection, wherein when used in an image projection apparatus, a screen-continuing portion (e.g., screen-underlying portion) of the apparatus can be reduced to a small size, or can be removed, and thereby the appar... | 01/04/2011 |
| 7762673 | Illumination system to eliminate laser speckle and projection system employing the same An illumination system designed to remove laser speckle and a projection system including the same. The illumination system includes a laser light source having at least one laser, a diffractive optical element to divide a laser beam emitted from the laser light sou... | 07/27/2010 |
| 7753531 | Image display apparatus and projection optical system An image display apparatus acquires a high-quality image by suppressing positional fluctuation of projected dots due to a positional offset of an optical path deflecting element. A spatial light modulation element (1) displays an image by projecting a light f... | 07/13/2010 |
| 7614752 | 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 optic... | 11/10/2009 |
| 7494226 | Methods and apparatus for controlling projectors An optical component of a projector is driven with a signal that contains one or more components that act to substantially cancel one or more unwanted oscillatory displacements of the optical component resulting from one or more unwanted oscillatory forces. ... | 02/24/2009 |
| 7286278 | Methods for depositing, releasing and packaging micro-electromechanical devices on wafer substrates A method for forming a MEMS device is disclosed, where a final release step is performed just prior to a wafer bonding step to protect the MEMS device from contamination, physical contact, or other deleterious external events. Without additional changes to the MEMS ... | 10/23/2007 |
| 7264360 | Scan type display optical system A scan type display optical system is disclosed in which the position and inclination of an image formed by projection light is made variable. The scan type display optical system comprises an optical scanning member for deflecting and scanning light, and a projecti... | 09/04/2007 |
| 7144117 | Projection type image display apparatus A projection type image display apparatus including a scanning mirror and a projection lens adapted to project an image on an image-displaying screen by scanning with a laser beam, and a detector adapted to detect the presence or absence of an intruding object betwe... | 12/05/2006 |
| 7095164 | Display screen Several embodiments in accordance with the invention are disclosed. In one particular embodiment, a display screen for a display is discussed. ... | 08/22/2006 |
| 7095544 | Micromirror and products using the same A product comprising a micromirror comprising a reflective layer and a treatment layer overlying the reflective layer, and wherein the treatment layer comprises Ti. ... | 08/22/2006 |
| 7022384 | Reflective film, reflection type liquid crystal display, and sputtering target for forming the reflective film A reflective film used as a reflective electrode or a reflector, comprising an Ag-based alloy containing rare earth metals. The reflective film has high reflectivity and high durability. ... | 04/04/2006 |
| 7001023 | Method and system for calibrating projectors to arbitrarily shaped surfaces with discrete optical sensors mounted at the surfaces A system determines correspondence between locations on a display surface and pixels in an output image of a projector. The display surface can have an arbitrary shape and pose. Locations of known coordinates are identified on the display surface. Each location is o... | 02/21/2006 |
| 7003172 | Image processing technique for images projected by projector The technique of the present invention carries out specific image processing that emphasizes articulation of display with a varying degree of emphasis for respective sites of an image projected by a projector. A typical example of such image processing is sharpness ... | 02/21/2006 |
| 6843568 | Projection apparatus The present invention is based on the finding that the previous column and row representation in the scanning image projection has to be given up, in order to enable that the ratio between row and column frequency or vertical and horizontal deflection frequency is n... | 01/18/2005 |
| 6753879 | Creating overlapping real and virtual images A computer generated image may be displayed inside an enclosure. The enclosure may include a transreflective surface so that the user can view the image generated by the computer system overlaid with a body part of the user. The computer generated images may move re... | 06/22/2004 |
| 6726332 | TIR prism for DMD projector A light engine (9) for a projection display is provided which employs: 1) at least one light source (25), 2) at least one TIR prism assembly (13), and 3) at least one digital micromirror device (15), wherein: (a) the illumination path ( | 04/27/2004 |
| 6719429 | Anamorphic illumination of micro-electromechanical display devices employed in multimedia projectors Micro-electromechanical display device (“MDD”)-based multimedia projectors (90, 120) of this invention employ an arc lamp (32), a color modulator (42), and anamorphic illumination systems (94, 121) for optimally illuminating a MDD ( | 04/13/2004 |
| 6499846 | Projection system with projector and deflection mirror In a projection arrangement with a projector and a deflecting mirror in which the image projection, proceeding from a projection direction along a principal projection axis impinges on the deflecting mirror which is supported so as to be movable in two sp... | 12/31/2002 |
| 6471355 | Image control system An image alignment system for rear projection in which a portion of the normally changing pixel pattern contains a pixel reference mark, which appears in each of the side-by-side pixel images projected onto a screen. A camera having a field of view large ... | 10/29/2002 |
| 6142653 | Optical pattern producing system There is disclosed a system that produces patterns or images from a light beam by a series of reflections off of multiple mirrors, these mirrors rotated by motors. The mirrors are positioned with respect to each other and offset at a predetermined angle f... | 11/07/2000 |
| 6023289 | Video display system for locating a projected image adjacent a surgical field A method and apparatus for projecting an image of a surgical field along an optical path to intersect a display screen which is nonperpendicular to the optical path and adjacent the surgical field. A video projector system and accompanying optics impart a... | 02/08/2000 |
| 6020917 | Video display system for locating a projected image adjacent a surgical field A method and apparatus for projecting an image of a surgical field along an optical path to intersect a display screen which is nonperpendicular to the optical path and adjacent the surgical field. A video projector system and accompanying optics impart a... | 02/01/2000 |
| 5988816 | Light-beam projecting device The projector includes a first light source for generating a light beam; a succession of functional assemblies for imparting special light effects to the light beam; an output mirror for deflecting the light beam in a controlled manner; a laser source for... | 11/23/1999 |
| 5944402 | Moving light display and method A highly collimated light source is directed at a reflective surface such as a diffraction grating, the grating being moveable with time. Light reflected from the grating is projected onto a display surface such as a scone of a lamp or onto a wall or a di... | 08/31/1999 |
| 5749640 | Apparatus for projecting moving and changing colored light rays along a horizontal axis, the light rays being rotatable synchronously about the horizontal axis A light emitting apparatus includes a first stepper motor, a mounting frame, a second stepper motor, at least one reflector, and a light source. The first stepper motor has a first rotor and a first output shaft coupled to and driven by the first rotor. T... | 05/12/1998 |
| 5707128 | Target projector automated alignment system An alignment system and method for maintaining the alignment of a target projector with another image projector in a simulator system. The target projector system includes a slewable fold mirror to move the target image in azimuth and elevation. A two pos... | 01/13/1998 |
| 5326266 | Area of interest display system with opto/mechanical image combining In an area of interest (AOI) display, a detailed image is projected on a screen at the area of interest while a background image is projected on the surrounding area such that the boarder between the two areas varies in an orbital oscillating pattern to a... | 07/05/1994 |
| 5142788 | Laser compass A laser compass projects a laser beam along an axis. A mirror is rotated within a rotation plane perpendicular to the axis. The mirror is pivotally adjusted relative to the axis of the laser beam to reflect the laser beam at an angle "". As the mir... | 09/01/1992 |
| 4814800 | Light show projector A light show projector is provided for use in producing a pleasing and variable laser-like visual line pattern on a wall or the like in synchronized relation with an audio input signal such as music. The light show projector comprises a compact and portab... | 03/21/1989 |
| 4810075 | Projection system with a cathode ray tube and a lens A projection system comprising from the image end a screen, a lens in which a core portion including the lens axis accomplishes a convergence function and in which a peripheral portion including a lens edge thereof accomplishes the divergence function, a ... | 03/07/1989 |
| 4327975 | Light-beam-projecting apparatus A light-beam projecting apparatus usable in connection with sound-producing equipment for creating, on a remote surface, infinitely varying light-impingement patterns which are directly related to the instantaneous sound. The device includes a light beam ... | 05/04/1982 |
| 4235535 | Apparatus for projection on a cylindrical screen The projector includes a housing with a projection path duct holding a dove prism and a mirror deflecting the path into a vertical axis. The beam in that path is intercepted by a tiltable mirror held in a rotatable disk. A transmission which includes beve... | 11/25/1980 |
| 4227785 | Light image translator A device for manipulating visual images such as those provided by a common slide projector, employing an audio transducer apparatus for controlling positioning of a mirror in response to vertical and horizontal control signals. Numerous control signals in... | 10/14/1980 |
| 4102734 | Method for producing a design on an arcuate surface Method and apparatus for producing a design on a preformed arcuate surface by etching and/or selective plating. The design is transferred to the arcuate surface by progressively and successively projecting narrow images of the design from a flat form and ... | 07/25/1978 |
