Patents
Sitemap › G03 - Photography; Cinematography; Analogous techniques using waves other than optical waves; Electrography; Holography › G03B - Apparatus or arrangements for taking photographs or for projecting or viewing them; Apparatus or arrangements employing analogous techniques using waves other than optical waves; Accessories therefor › G03B 21 - Projectors or projection-type viewers; Accessories therefor
Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465)
04/2003
04/02/2003EP1297376A2 Display device
04/02/2003EP1082639B1 Projection display
04/02/2003CN2543303Y Detecting device of image correction for projector equipment
04/02/2003CN2543075Y Comb light guide collimator and video projector light source thereof
04/02/2003CN1407843A Electronic circuit and image projector for operating high-strength discharge lamp
04/02/2003CN1407392A Audiovisual system in theatre
04/02/2003CN1407272A Low-cost reflection device with excellent heat resistant performance
04/02/2003CN1104807C Transmission type screen and making method
04/01/2003US6542316 Wide-angle projection lens and a projection-type image display device
04/01/2003US6542311 Zoom lens and projection type display apparatus using the same
04/01/2003US6542296 Back-lighted autostereoscopic display
04/01/2003US6542134 Projection system
04/01/2003US6540380 Illumination system for projector
04/01/2003US6540379 Electric lamp/reflector unit
04/01/2003US6540366 Overhead projection system
04/01/2003US6540365 Projection type display apparatus
04/01/2003US6540364 Projector
04/01/2003US6540363 High reliability display system
04/01/2003US6540362 Scrolling multi-stripe color illumination system
04/01/2003US6540361 Display optical apparatus
04/01/2003US6540360 Projector
03/2003
03/27/2003US20030058537 Optical device for projection system
03/27/2003US20030058532 Fresnel , lens, screen, image display device, lens mold manufacturing method and lens manufacturing method
03/27/2003US20030058416 Image projection system and its method of use
03/27/2003US20030058415 Device for projection display
03/27/2003US20030058411 Projection apparatus
03/27/2003US20030058410 Projector
03/27/2003US20030058409 Projection lens and projector provided with the same
03/27/2003US20030058408 Polarization arrangement
03/27/2003US20030058387 Colour switch
03/27/2003US20030058373 LCD projection device
03/26/2003EP1296180A1 Front screen, rear screen and application product using them
03/26/2003EP1097256B1 Enamelled projection screen and method for the manufacturing thereof
03/26/2003EP1012665B1 Rear projection display
03/26/2003CN1405623A Sub-wave-field synthetic mirror-free type stereo film-TV optical engine
03/26/2003CN1405622A Projector bulb cooling system with double exhaust fan
03/26/2003CN1405599A Reflective projecting apparatus
03/26/2003CN1405582A Fresnel lens plate and transmissive projection screen
03/25/2003US6538814 Projection screen having electric field responsive reflectance layer and a photosensitive material
03/25/2003US6538383 High-pressure mercury lamp
03/25/2003US6536906 Projector
03/25/2003US6536902 Projector
03/25/2003US6536901 Projector
03/20/2003WO2003024120A1 Image projection device with liquid optical filter
03/20/2003WO2003023514A1 Production method for optical device, optical device produced by this method, and projector provided with this optical device
03/20/2003WO2003023513A1 Light beam shaping device
03/20/2003WO2003023493A2 Efficient arc lamp illuminator for projection system
03/20/2003WO2003023490A1 Method and apparatus for configuration and assembly of a video projection light management system
03/20/2003US20030053207 Beaded rear projection screen with tunable gain
03/20/2003US20030053034 Portable, digital projector device and a system using the same
03/20/2003US20030053033 Projection system for aerial display of three-dimensional video images
03/20/2003DE20213161U1 Overhead slide projector has ball bearing slide and blanking plate
03/19/2003EP1078300B1 Projection Screen
03/19/2003CN2540649Y Device for implanting glass micro-pearl on screen
03/19/2003CN2540648Y Optical rear-projection screen of micro-spherical structure
03/19/2003CN1404699A System and method employing LED light sources for a projection display
03/19/2003CN1403847A Projector equipment
03/19/2003CN1103457C Automatic focalizing projecting system and its method
03/18/2003US6535674 High contrast front projection display panel and a method of making a high contrast front projection display panel
03/18/2003US6535333 Optical system with reduced color shift
03/18/2003US6535267 Liquid crystal display apparatus having liquid crystal display element immersed in cooling medium
03/18/2003US6535256 Color liquid crystal display device
03/18/2003US6533427 Illuminating device adapted to provide a light output with a predetermined polarization state to a projection display
03/18/2003US6533423 Projection type display device with image pickup function and communication system
03/18/2003US6533421 Projection apparatus and cooling method of projection apparatus
03/18/2003CA2254422C Stereo photographic system
03/18/2003CA2253596C Film transport mechanism
03/13/2003WO2003021349A1 Beaded rear projection screen with tunable gain
03/13/2003WO2003021296A2 Apparatus and methods for mounting and aligning the optical elements of a projection image display system
03/13/2003WO2003021110A1 Fan device, method of manufacturing the fan device, projection type display device, and electronic equipment
03/13/2003WO2003001280A3 Scrolling color sequential illumination system
03/13/2003WO2002006864A8 Holographic display
03/13/2003US20030048553 Low-cost reflector with excellent heat resistance
03/13/2003US20030048426 Overhead projector
03/13/2003US20030048425 Exposure apparatus, method of controlling same, and method of manufacturing devices
03/13/2003US20030048424 Projection display device
03/13/2003US20030048420 Efficient arc lamp illuminator for projection system
03/13/2003US20030048419 Switchable format film projection system
03/13/2003US20030048418 Presentation scheduling in digital cinema system
03/13/2003US20030046839 Display apparatus
03/13/2003CA2457133A1 Beaded rear projection screen with tunable gain
03/12/2003EP1292134A2 Laser projection system
03/12/2003EP1291710A1 Slide mount loading device
03/12/2003EP1291709A1 Reflection projection screen
03/12/2003EP1291681A1 Mirror projection system for oblique projection
03/12/2003EP1290897A1 Array for projecting a polychromatic image on a projection surface
03/12/2003EP1290490A1 Screen with asymmetric light diffusing characteristic
03/12/2003EP1259857A4 Fresnel image floater
03/12/2003EP1097573B1 Overhead projection display device
03/12/2003EP0819259B1 High efficiency polarized display
03/12/2003CN1402083A Diffusion board and mfg. method thereof
03/12/2003CN1402081A 光学装置和投影仪 Optical device and projector
03/12/2003CN1402080A Projecting device with rectifying ribs
03/12/2003CN1402054A Optical device, mfg. method thereof and projector
03/12/2003CN1402045A 投影装置 Projection device
03/12/2003CN1402044A Optical image display system and projection image display device
03/11/2003US6532113 Display device for use in vehicle
03/11/2003US6532109 Roller operated system with mounting assembly for multi-stage installation
03/11/2003US6532044 Electronic projector with equal-length color component paths
03/11/2003US6530667 Optical projection system including projection dome
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