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