| Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465) |
|---|
| 06/30/1987 | US4676626 Optical system for electrophotographic film camera/reader-verifier |
| 06/30/1987 | US4676615 Projecting device |
| 06/24/1987 | EP0225918A1 Thermal management system for an episcopic image projector |
| 06/23/1987 | US4674836 Rear projection screen |
| 06/16/1987 | US4673266 Display of subtitles during the screening of a motion picture |
| 06/16/1987 | EP0115515B1 Diffraction optics diffusing screen |
| 06/10/1987 | EP0224973A2 Information recording carrier-holding sheet |
| 06/10/1987 | EP0224972A2 Information recording carrier-holding frame |
| 06/10/1987 | EP0224814A2 Demonstration screen |
| 06/09/1987 | US4671634 Liquid crystal projector |
| 06/09/1987 | US4671467 Apparatus for winding an endless strip in a storage means |
| 06/04/1987 | WO1987003385A1 A projection and display apparatus |
| 06/04/1987 | WO1987003384A1 An image scanning and projecting apparatus |
| 06/03/1987 | EP0224394A1 Projector with a spherical screen, in particular for advertising purposes |
| 06/02/1987 | US4669865 Cooling device for a light source in a copying machine |
| 06/02/1987 | US4669838 Roll film document image storage and retrieval apparatus and system |
| 05/27/1987 | EP0223310A2 Fresnel lens for projection screens |
| 05/26/1987 | US4668046 Transmission type screen apparatus |
| 05/19/1987 | US4666284 Microfilm copying apparatus |
| 05/19/1987 | US4666272 Method of projecting film frames and microfilm reader for carrying out same |
| 05/19/1987 | US4666248 Rear-projection screen |
| 05/13/1987 | EP0221069A1 A device for presentation of information on a plurality of sheetshaped information carriers |
| 05/13/1987 | CN86106760A Projecting apparatus with a spherical screen, more particularly for advertizing purposes |
| 05/06/1987 | EP0220216A1 Device for withdrawing a strip |
| 05/05/1987 | US4663573 Web feeding apparatus with web slowdown |
| 05/05/1987 | US4662732 Combination film and film supply and take-up system cover |
| 04/29/1987 | CN85104899A Rear projection apparatus |
| 04/29/1987 | CN85104219A Film method |
| 04/28/1987 | US4660930 Transmission projection screen and method of manufacturing same |
| 04/23/1987 | DE3537470A1 Device for projecting slides using an overhead projector |
| 04/23/1987 | DE3537369A1 Device for projecting the image of a liquid crystal display |
| 04/08/1987 | EP0115508B1 Directional diffusing screen with suppressed zero-order light |
| 04/07/1987 | US4656506 Spherical projection system |
| 04/02/1987 | DE3534473A1 Illuminating device in a projection copier |
| 04/01/1987 | CN86204819U Linear overlapped automatic holder of slide projector |
| 04/01/1987 | CN85106940A Double-len, telecontrol diapositive replacing projecting epidiascope |
| 03/31/1987 | US4653744 Device for transferring flat objects between two stations |
| 03/31/1987 | US4653717 Collapsible lightweight and rigidly compact multiple projector stand |
| 03/26/1987 | WO1987001823A1 Device for the projection of video images on a screen with daylight and/or artificial so-called make-up light |
| 03/26/1987 | DE3533448A1 Arrangement and method for generating images on a projection surface |
| 03/25/1987 | EP0215680A2 Transport and storage system for endless loops of strip material |
| 03/25/1987 | EP0096032B1 Slide previewer and tray loader |
| 03/25/1987 | CN85106729A Backlighting for providing partly-adjusting tonal value, it's suitable for light-tight case of observing light-transmitting body |
| 03/24/1987 | US4652101 Overhead projector |
| 03/24/1987 | US4652100 Image acquisition system and modular desk utilized therein |
| 03/24/1987 | US4652084 Projection screens for two- or three-dimensional front and back projections |
| 03/19/1987 | DE3532723A1 Lighting arrangement in projectors |
| 03/18/1987 | EP0047306B2 An envelope for transparencies for overhead projectors and like projecting apparatus |
| 03/17/1987 | US4650303 Projection apparatus for photographic transparencies and a device apparatus for storing transparencies to be projected with the apparatus |
| 03/12/1987 | WO1987001470A1 Transparent rear projection screen |
| 03/12/1987 | DE3521963A1 Systems for space-spacing storage of slide holders |
| 03/10/1987 | US4648707 Reader-printer system |
| 03/04/1987 | EP0212315A2 A method and device for fixing support, joint or hinge elements to panels or blocks of expanded polystyrene or the like |
| 03/04/1987 | CN85101770A Back projection screen |
| 03/03/1987 | US4647519 Negative-working photoresist method of making rear-projection television screen viewing surface |
| 03/03/1987 | US4647167 Disk film projector |
| 02/26/1987 | WO1987001212A1 Projection screen |
| 02/24/1987 | US4646143 Video projector type television receiver |
| 02/24/1987 | US4645319 Composite optical image projection system |
| 02/24/1987 | US4645318 Apparatus for projecting a largely 360° motion picture image |
| 02/17/1987 | US4642925 X-ray film mount |
| 02/10/1987 | US4641918 Portable panoramic theatre |
| 02/03/1987 | US4640597 Micro-reader |
| 01/29/1987 | DE3525829A1 Pull-in device for microfilm cassettes |
| 01/28/1987 | EP0210088A1 Wide-field plural-source display apparatus |
| 01/27/1987 | US4639106 Aircraft video projection system |
| 01/27/1987 | CA1217079A1 Negative-working photoresist composition for use on a polymethyl methacrylate surface |
| 01/15/1987 | WO1987000306A1 Combined apparatus for the projection and back-projection of slides contained in a rotary circular basket |
| 01/13/1987 | US4636059 Microfilm reader and printer |
| 01/13/1987 | US4636050 Reflection type overhead projector |
| 01/13/1987 | US4636035 Transparent rear projection screen |
| 01/13/1987 | US4635796 Jacket for strip films |
| 01/07/1987 | EP0207273A1 A cooling device for a light source in a copying machine |
| 01/06/1987 | US4634387 Device for simulating the movements of and representing rotation symmetrical bodies |
| 01/06/1987 | US4634246 Automatic focus for overhead projector |
| 12/30/1986 | US4632539 Air-cooled apparatus |
| 12/30/1986 | US4632529 Accessory for use with an overhead projector |
| 12/23/1986 | US4631594 Projection device |
| 12/18/1986 | WO1986007291A1 Slide archival storage and retrieval system |
| 12/17/1986 | EP0204717A1 Selective microfiche display equipment |
| 12/17/1986 | CN85104822A Multiple projection optics slide projector using a circular slide tray, having fixed-position slide gates |
| 12/16/1986 | US4629299 Microform-reader |
| 12/16/1986 | US4629140 Film reel assembly |
| 12/16/1986 | CA1215326A1 Motion picture theater loudspeaker system |
| 12/16/1986 | CA1215260A1 Method for making overhead projection transparency |
| 12/10/1986 | EP0204140A1 Slide holder |
| 12/04/1986 | WO1986007167A1 Thermal management system for an episcopic image projector |
| 12/02/1986 | US4626064 Optical retrieving system |
| 12/02/1986 | US4625930 Film winding and rewinding apparatus |
| 11/25/1986 | US4624554 Charging and exposing head for use in electrophotographic apparatus |
| 11/25/1986 | CA1214344A1 Method and apparatus for manipulating the contrast of sine wave gratings and other visual patterns |
| 11/11/1986 | US4621970 Apparatus for removing reels with exposed roll films from cartridges |
| 11/11/1986 | US4621913 Microscope with projector |
| 11/11/1986 | US4621443 For illumination by a light source |
| 11/06/1986 | WO1986006510A1 Device for withdrawing a strip |
| 11/06/1986 | WO1986006509A1 Reader-printer apparatus and method for variable length copying of information on a standard sheet length |
| 11/06/1986 | WO1986006508A1 Reader-printer apparatus with an improved viewing and print mirror assembly |
| 10/28/1986 | US4620266 Fiber-optic light system for movie projectors |
| 10/21/1986 | US4618232 Desk top microform reader |
| 10/15/1986 | EP0197734A2 Microform reading apparatus |