Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465) |
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07/07/1992 | CA1304732C Endless loop transport and storage system |
07/07/1992 | CA1304723C Container for shipping and handling feature-length films |
07/01/1992 | EP0492721A2 Color display device and circuitry for addressing the light valve of said device |
07/01/1992 | EP0492661A2 Liquid crystal projector |
07/01/1992 | EP0492640A1 Projector using a hologram |
07/01/1992 | EP0492213A2 Overhead projector |
07/01/1992 | EP0491963A1 Projector |
06/30/1992 | US5126863 Liquid crystal projection display apparatus having two microlens arrays |
06/30/1992 | US5125733 Stereoscopic projector and method for driving projecting lenses |
06/25/1992 | DE4041333A1 Transparency sorting device - has insert shaft in which transparency magazine can be accommodated between guide surface |
06/24/1992 | EP0491429A1 Projection display device |
06/24/1992 | EP0485435A4 Reflective image plane module |
06/24/1992 | CN2108318U Daytime film screen |
06/24/1992 | CN2108317U Vertical body episcopic projector main box |
06/24/1992 | CN2108316U Multi-picture moving changing showing device |
06/23/1992 | US5124089 Method of producing transmissive screens |
06/23/1992 | US5123729 Projection display device |
06/23/1992 | US5123728 Rear screen video projection system for aircraft passenger entertainment |
06/21/1992 | CA2056530A1 Slewable projection system with fiber-optic elements |
06/17/1992 | EP0490391A2 Reflective type screen |
06/17/1992 | DE4039958A1 Coated fabric roll=up projection screen - has weft of polyester monofilaments and warp of polyester high tensile yarn |
06/16/1992 | US5121984 Masking device for use with image projectors |
06/16/1992 | US5121982 Film transport device |
06/16/1992 | US5121977 Apparatus for raising and lowering the lower screen mask in a motion picture theater |
06/16/1992 | CA1303584C Drive-out assembly for microfilm apparatus |
06/16/1992 | CA1303583C Drive assembly for microfilm cartridges |
06/15/1992 | CA2057571A1 Reflective type screen |
06/11/1992 | WO1992009918A1 Backprojecting visualisation system and method for producing a backprojection mirror |
06/10/1992 | CN2107032U X-ray film cold light source viewing lamp |
06/09/1992 | US5121252 Projection screen and method for producing the same |
06/09/1992 | US5120125 Overhead projector with small and large stage surfaces |
06/09/1992 | US5119573 System to distribute slides onto a transparent screen |
06/03/1992 | EP0488590A1 Display device |
06/03/1992 | EP0294457B1 Microfilm printer apparatus and method |
06/03/1992 | CN2106380U Gearless film transmitting device |
06/02/1992 | US5119271 Projection-type television set |
05/31/1992 | CA2056078A1 Display device |
05/27/1992 | EP0487249A2 Method for forming curved projection screen and curved projection screen formed by the method |
05/27/1992 | EP0486523A1 An active matrix reflective projection system |
05/27/1992 | CN2105711U Pocket miniature sound image projector |
05/27/1992 | CN2105710U Film projector with auto-controller |
05/26/1992 | US5116117 Multiscreen projector apparatus |
05/21/1992 | DE4036149A1 Arrangement for printing on frames for diapositives - has transparent path with toothed drive belt, press bars for frames of different thickness, windows in path for printing |
05/20/1992 | WO1992009006A1 Autostereoscopic presentation system |
05/20/1992 | EP0485435A1 Reflective image plane module. |
05/20/1992 | CN2105082U Writing projector |
05/20/1992 | CA2095612A1 Autostereoscopic presentation system |
05/20/1992 | CA2033681A1 Method for forming curved projection screen, and curved projection screen formed by the method |
05/19/1992 | US5114224 Automatic follow-up projecting system |
05/14/1992 | WO1992008162A1 Film deceleration unit |
05/14/1992 | DE3448372C2 Overhead projector with slide facility |
05/14/1992 | CA2029834A1 Television studio |
05/13/1992 | EP0485268A1 Matrix screen image projector with two polarized beams |
05/13/1992 | EP0485267A1 System for displayng images supplied by a spatial modulator with energy transfer |
05/13/1992 | EP0484515A1 Method and apparatus for producing thermal slide transparencies |
05/12/1992 | US5113185 Current location indication apparatus for use in an automotive vehicle |
05/12/1992 | US5112123 Masking device for overhead projector |
05/07/1992 | DE4035260A1 Video projection system for slides or film - uses optical fibre coupling between two spaced projection planes with intermediate image enlargement |
05/06/1992 | EP0484073A2 Lenticular lens sheet |
05/05/1992 | US5111337 Enhanced contrast, maximum gain front and rear projection screens |
05/05/1992 | US5111239 Card transporting device for use in a reader printer or the like |
05/05/1992 | US5110201 Film transport device |
05/03/1992 | CA2028956A1 Opta |
04/28/1992 | CA1299404C Projection screen |
04/23/1992 | DE4134091A1 Frame for holding film transparency - is made in two parts which clip together with film between them |
04/22/1992 | EP0481446A2 Video projecting method, image editing method, and sound recording system using film editing machine |
04/21/1992 | US5106185 Control and regulating device for film transport in a film projector |
04/15/1992 | EP0480813A1 Color image display device |
04/15/1992 | EP0479779A1 Overhead projector |
04/15/1992 | CN2101893U Super large screen projection apparatus |
04/15/1992 | CN2101892U 35 mm stereo slide projector |
04/14/1992 | US5104215 Microfilm cartridge storage and retrieval system |
04/08/1992 | CN2101263U Casing picture enlarger |
04/07/1992 | US5103339 Rear projection screen multi-panel connector assembly |
04/07/1992 | US5102217 Projection-type color display apparatus |
04/07/1992 | CA1298501C Rear projection screen and rear projection system provided with such a screen |
04/02/1992 | DE4031053A1 Projection device using slide or video projectors - uses overlapping images with screening strips for image edges |
04/01/1992 | EP0478187A2 Imaging system |
04/01/1992 | EP0477492A2 Method and apparatus for inserting slide frames or strips of film in the pockets of a sheet of foil provided with pockets |
04/01/1992 | EP0477255A1 Control code for cinematic films |
04/01/1992 | CN2100650U Practical teaching projector |
04/01/1992 | CN2100649U Teaching slide projector |
03/31/1992 | US5100222 Screen and image display apparatus |
03/26/1992 | DE4029659A1 Overhead projector - comprises writing plate-fresnel lens with attached bearer arm supporting projection head |
03/25/1992 | EP0477028A2 Image projection system |
03/24/1992 | US5099321 Microfilm searching and reading device |
03/24/1992 | US5098616 Method for forming a curved projection screen |
03/24/1992 | US5098184 Optical illumination system and projection apparatus comprising such a system |
03/24/1992 | US5098183 Dichroic optical elements for use in a projection type display apparatus |
03/24/1992 | US5097640 Frame support for paneled screens and like structures |
03/18/1992 | CN2099325U Back projecting device |
03/18/1992 | CN1059605A Artificial mirage imitator |
03/17/1992 | US5096286 Method for transitioning between two different frame rates during a showing of a single motion picture film |
03/17/1992 | US5096278 Reflective screen for front-projection television |
03/11/1992 | EP0474344A2 Movie film to video conversion |
03/11/1992 | EP0474111A2 Image input apparatus |
03/11/1992 | CN2098698U Simple slide projector |
03/10/1992 | US5094525 System for projecting kaleidoscopic images for group viewing using a dynamically operating kaleidoscope as an integral element |
03/04/1992 | EP0472871A2 Method and device for the insertion of a transparency in a transparency frame |
03/04/1992 | CN2098051U Back projection screen |