| Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465) |
|---|
| 03/04/1992 | CN2098050U Stereoscopic slide show |
| 03/03/1992 | US5092672 Condenser lens system for overhead projector |
| 03/03/1992 | US5092535 Film transport apparatus |
| 03/01/1992 | CA2048266A1 Method and apparatus for inserting a slide into a slide frame |
| 02/26/1992 | CN2097412U Projecting apparatus for colour tv |
| 02/26/1992 | CN1059037A Present projection device |
| 02/26/1992 | CN1059035A Image projection apparatus |
| 02/25/1992 | US5090800 Projector having a liquid crystal display panel |
| 02/19/1992 | EP0471478A2 Large screen display apparatus |
| 02/18/1992 | US5088814 Drawing production aide |
| 02/05/1992 | EP0469936A1 Device for projecting water to form an image receiving screen |
| 02/05/1992 | EP0469313A2 Transmission-type screen for a projection television device |
| 02/04/1992 | US5086231 Microfilm retrieval system for retrieving a designated image frame |
| 02/04/1992 | US5085506 Apparatus and method of forming and projecting high precision optical images |
| 02/04/1992 | US5085505 Overhead projector |
| 02/04/1992 | US5085495 Multi-screen projector |
| 01/29/1992 | EP0467884A1 Automatic slide loader into the linear or round type magazines for slide projectors |
| 01/28/1992 | US5084756 Apparatus operable as a viewer or image scanner |
| 01/22/1992 | EP0467447A1 Image projection apparatus |
| 01/22/1992 | CN2094073U Transmission-type box epidiascope |
| 01/21/1992 | US5082516 Process for producing chemical analytical slide |
| 01/21/1992 | US5082357 Method and device for correcting vertical framing errors |
| 01/21/1992 | CA1294664C Light socket soft start and power interrupt assembly |
| 01/15/1992 | EP0346463A4 An improved video display system |
| 01/15/1992 | CN2093407U Vertical operation demonstration object-reflecting projection device |
| 01/14/1992 | USRE33795 Rear projection apparatus |
| 01/14/1992 | US5080481 Screen simulator window |
| 01/14/1992 | US5080480 Microfilm map reader |
| 01/14/1992 | CA1294160C Apparatus and method of forming and projecting high precision optical images |
| 01/12/1992 | CA2020913A1 Arrangement of a projection screen |
| 01/09/1992 | WO1991018304A3 Improvements in or relating to microlens screens, photopolymerisable materials and artifacts utilising the same |
| 01/09/1992 | DE4019755A1 Lap-top processor with removable back-lit LCD - which can be placed on projector for presentations or demonstrations |
| 01/08/1992 | EP0464663A2 Projection-type television set |
| 01/08/1992 | EP0464114A1 Device for the presentation of an image with a light-deflecting part |
| 12/31/1991 | US5077147 Luminescent screen |
| 12/31/1991 | US5076661 Rear projection screen |
| 12/31/1991 | US5076543 Projection pad using liquid crystal panel |
| 12/31/1991 | US5076038 Container for slides and apparatus for automatically packaging the slides |
| 12/31/1991 | US5075993 Color display apparatus |
| 12/30/1991 | WO1992000551A1 Projector |
| 12/24/1991 | US5075789 Displays having improved contrast |
| 12/24/1991 | US5074644 Rear projection television |
| 12/24/1991 | US5074482 Microfilm retrieval apparatus |
| 12/17/1991 | US5073023 Overhead projector display |
| 12/12/1991 | WO1991019221A1 Method and apparatus for producing thermal slide transparencies |
| 12/12/1991 | DE4017943A1 Micro-film reader with dual optical magnification systems - performs simultaneous scanning of document image and coded information field |
| 12/11/1991 | CN2090543U Floating pulley device for mechanical film feed |
| 12/10/1991 | US5072408 Microfilm handling system |
| 12/10/1991 | US5071236 Replica plate, process for producing the same and projection type television using the same |
| 12/10/1991 | US5071230 Liquid crystal display device with selective transmitting means and an impedance changing layer |
| 12/10/1991 | US5071224 Lenticular lens for use in back projection type television receiver |
| 12/04/1991 | EP0459671A2 Method and apparatus for the removal of film strip material from a plurality of film reels or reel cartridges |
| 12/04/1991 | EP0459518A1 Overhead projector |
| 12/04/1991 | CN2090072U Non-intermittence film projection device |
| 11/30/1991 | CA2042959A1 Method and apparatus for the removal of film strip material from a plurality of film reels or reel cartridges |
| 11/28/1991 | WO1991018319A1 Film spool supply device for cinematographic projection apparatus |
| 11/28/1991 | WO1991018304A2 Improvements in or relating to microlens screens, photopolymerisable materials and artifacts utilising the same |
| 11/27/1991 | EP0458687A2 LCD projector with an optical system |
| 11/26/1991 | US5068687 Reader-printer |
| 11/26/1991 | US5067653 Screen forming apparatus and method |
| 11/26/1991 | US5067377 Chisel |
| 11/21/1991 | EP0457280A2 Screen and projector using said screen |
| 11/20/1991 | CN2089185U Film projecting controller |
| 11/19/1991 | US5066099 Rear projection screen and method of producing the same |
| 11/14/1991 | WO1991015928A3 Displays having improved contrast |
| 11/13/1991 | EP0456518A2 Projection screen and method for producing the same |
| 11/12/1991 | US5065182 Image forming system |
| 11/12/1991 | US5065179 Microfilm reader-printer |
| 11/12/1991 | US5064273 Rear projection screen with double sheet |
| 11/05/1991 | CA1291658C Bulk diffuser for a projection screen |
| 10/31/1991 | DE4113560A1 Fixing station for electrophotographic imaging device - has return mechanism for feeding transparent sheet through fixing station several times |
| 10/30/1991 | EP0454443A2 Spectacles incorporating display means for a stereoscopic viewing system |
| 10/30/1991 | EP0453661A1 Coordinate determining device |
| 10/29/1991 | US5061955 Microfilm reader/printer |
| 10/29/1991 | US5061041 Liquid crystal motion picture projector with memory |
| 10/23/1991 | CN2087350U Slide projector |
| 10/22/1991 | US5060058 Modulation system for projection display |
| 10/22/1991 | US5059020 Devices for automatically feeding an image projector |
| 10/22/1991 | US5058989 Transmission type screen and method of manufacturing the same |
| 10/22/1991 | CA1291083C Slide container |
| 10/17/1991 | WO1991015931A1 Stacked display panel construction and method of making same |
| 10/17/1991 | WO1991015928A2 Displays having improved contrast |
| 10/17/1991 | WO1991015923A1 Projection systems |
| 10/17/1991 | WO1991015803A1 Illumination apparatus for a microfiche reader |
| 10/17/1991 | CA2079790A1 Displays having improved contrast |
| 10/16/1991 | EP0451418A1 Movie theater with spherical screen |
| 10/15/1991 | US5057747 Arc lamp stabilization |
| 10/15/1991 | US5056912 Projection type image display apparatus |
| 10/08/1991 | US5055737 Luminescent screen |
| 10/08/1991 | US5054909 Lamp housing for motion picture film projector |
| 10/08/1991 | US5054886 Lens frame |
| 10/01/1991 | US5052798 Highlighted module for overhead view projector |
| 10/01/1991 | CA1289791C Rear projection apparatus |
| 09/25/1991 | EP0447610A1 Automatic follow-up projection system |
| 09/25/1991 | EP0447433A1 Optical system. |
| 09/25/1991 | EP0447403A1 Movable support for transparencies |
| 09/24/1991 | US5050985 Film deceleration unit |
| 09/19/1991 | WO1991014203A1 Masking device for use with image projectors |
| 09/18/1991 | EP0216804B1 Microfilm reader and printer |
| 09/18/1991 | CN2085071U Miniature slide projector |