Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465)
04/2002
04/25/2002US20020048438 Transparent seam display panel and a method of making a transparent seam display panel
04/25/2002US20020048083 Sheet take-up device for a projection screen and the like
04/25/2002US20020048082 Rear projection type screen and method of manufacturing same
04/25/2002US20020048081 Fabricable rear projection-type multiscreen fixing device
04/25/2002US20020048001 Projector
04/25/2002US20020048000 Projector
04/25/2002US20020047999 Display optical unit and display apparatus using this unit
04/24/2002EP1199896A2 Optical unit, video display apparatus, and color switching method
04/24/2002EP1198734A1 Device for displacing 3-dimensional objects in the projection area of a projection system
04/24/2002CN2488080Y Colour wheel with adhesive overflow-preventing device
04/24/2002CN2488078Y Colour matter projector
04/24/2002CN1346066A Optical equipment, image indicator and colour chanigng method
04/23/2002US6377406 Optical arrangement and the use thereof
04/23/2002US6375331 Protection device for transparencies for overhead projectors
04/23/2002US6375330 Reflective liquid-crystal-on-silicon projection engine architecture
04/23/2002US6375328 Optical modulation element and projector
04/23/2002US6375327 Image projection system
04/23/2002US6375326 Fresnel image floater
04/23/2002CA2359527A1 Improved seam between adjacent visualization screens
04/23/2002CA2285706C Stereo slide mount, stereo slide viewer and collimation pattern mask
04/18/2002WO2002031594A1 3d retroreflective screen
04/18/2002WO2002031593A1 Cooling device in a projector
04/18/2002WO2002031592A1 Illumination optical unit and projection display comprising it
04/18/2002US20020044360 Lenticular lens sheet and rear projection screen
04/18/2002US20020044349 Screen display apparatus
04/18/2002US20020044264 Optical lens module adjustable in two dimensions
04/18/2002US20020044263 Rear projection display device and projecting method used for the same
04/18/2002US20020044262 Display device, projection display apparatus, driving device for light modulator, and method for driving light mudulator
04/18/2002US20020044261 Projection type image-display apparatus
04/17/2002EP1197794A1 Projection display system and projector, and menu image display method therefor
04/17/2002EP1197766A2 A polarisation separation element, a polarisation conversion system, an optical element, and a projection display system
04/17/2002EP1196819A1 Optical systems for projection displays
04/17/2002EP1196811A1 Compound lens arrangement for use in lens arrays
04/17/2002EP1196794A1 Method, device and laser system for producing screen holograms, and screen hologram
04/17/2002CN2486992Y Float assembling frame capable of synchronous expand with heat and contract with cold with back project screen picture
04/17/2002CN2486991Y Improvement for brief type projector
04/17/2002CN1345461A Method for cooling arc lamp
04/17/2002CN1345420A Lens array unit method of producing lens array unit and optical device using lens array unit
04/17/2002CN1345266A Method of providing film on surface, device for providing said film, and display screen provided with said film
04/17/2002CN1344968A 光源装置及其投影仪 Light source device and a projector
04/17/2002CN1344954A Projection display device
04/16/2002US6371617 Projector
04/16/2002US6371616 Information processing miniature devices with embedded projectors
04/16/2002US6370804 Cardboard-plastic slide mount
04/16/2002CA2164443C Moving imagery projection system
04/16/2002CA2058845C Method for hiding scratches or imperfections on the surface of screens used in projection systems
04/11/2002WO2002029772A2 Flat-panel display
04/11/2002WO2002029490A1 Projection system for arrayed or tiled displays
04/11/2002WO2002029451A1 Fresnel lens, screen, image display device, lens mold manufacturing method, and lens manufacturing method
04/11/2002WO2002013541A3 Scrolling multi-stripe color illumination system
04/11/2002US20020041365 Image forming apparatus and image forming unit detachably mountable thereto
04/11/2002US20020041364 Image projection and display device
04/11/2002US20020041363 Cooling device in a projector
04/11/2002US20020041362 Projector
04/11/2002US20020041361 Triple-lens type projection display with uniform optical path lengths for different color components
04/11/2002US20020041325 Interaction configuration
04/10/2002EP1195640A1 A light source and a projector
04/10/2002EP1195637A1 Display device with screen having curved surface
04/10/2002EP1194794A2 Projection screen
04/10/2002CN2485676Y Component distribution structure for reflecting liquid crystal projector
04/10/2002CN1344404A Wide-field-of-view projection display
04/10/2002CN1344381A Three-dimensional hybrid screen having multiple viewing sections
04/10/2002CN1344378A 图象投影系统 Image projection system
04/10/2002CN1344375A 投影系统 Projection System
04/09/2002US6369944 Diffuser-coated projection screen element and method of manufacture
04/09/2002US6369943 Projection screen
04/09/2002US6367954 Multi-lens projector lamp
04/09/2002US6367934 Multi-display systems
04/09/2002US6367933 Method and apparatus for preventing keystone distortion
04/04/2002WO2002027399A1 Fresnel lens, screen, image display device, lens mold manufacturing method, and lens manufacturing method
04/04/2002WO2002027387A1 Terminal with a projection display
04/04/2002WO2001096907A3 Digital projection equipment and techniques
04/04/2002WO2001086349A3 Rear projection screen for video display system
04/04/2002US20020039239 Lens apparatus
04/04/2002US20020039229 Display device with screen having curved surface
04/04/2002US20020039176 Light source device and projector using the light source device
04/04/2002US20020039174 Light source and projector
04/04/2002US20020039157 Optical lens system, image display apparatus, micro-lens array, liquid crystal diplay device, and liquid crystal display apparatus of projection-type
04/04/2002DE10044213A1 Projector ceiling mount has adjustable arms fits most types is easy to adjust by ball joint
04/03/2002EP1193982A1 Projector with system for cooling the light modulators
04/03/2002EP1193972A1 A projector
04/03/2002EP1193525A2 Electromechanical grating display system with spatially separated light beams
04/03/2002EP1192111A1 Glass microspheres for use in rear projection screen displays and methods
04/03/2002EP1139700A9 Feeding device for discharge lamp
04/03/2002CN2484582Y Children's film projector
04/03/2002CN1343321A Projection screen with movable shutter
04/03/2002CN1343068A Sensor signal processing for automatic convergence
04/03/2002CN1342919A Rear-projection type screen and manufacture method thereof
04/02/2002US6365526 Optical illumination system and projection apparatus
04/02/2002US6364493 Image displaying apparatus
04/02/2002US6364492 Projector
04/02/2002US6364490 Virtual image projection device
04/02/2002US6364489 Image projection apparatus
04/02/2002US6364488 Projection display device for displaying electrically encoded images
04/02/2002US6364487 Solid state based illumination source for a projection display
03/2002
03/28/2002WO2002025369A1 Image display
03/28/2002US20020036903 Image display apparatus, image display system, and illumination system
03/28/2002US20020036833 Light-source device and projection type display device
03/28/2002US20020036819 Cooling mechanism of optical modulator, optical modulator attachment unit and projector
03/28/2002US20020036815 Optical modulation device and projection display device utilizing the optical modulation device