| Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465) |
|---|
| 08/08/1978 | US4105316 Film strip projection apparatus |
| 08/08/1978 | US4105315 Microfilm reading system |
| 08/08/1978 | US4105312 Carriage mechanism for microfiche reader |
| 08/08/1978 | US4105311 Film transport system |
| 08/08/1978 | US4105309 Logic system for photographic film strip handling apparatus |
| 08/08/1978 | US4105307 Programmable viewing system for processing and viewing cassette contained photographic film strips |
| 08/08/1978 | US4105306 Sound movie projector |
| 08/08/1978 | US4105292 Optical element to assure a minimum spacing |
| 08/08/1978 | US4104818 Slide frame |
| 08/01/1978 | US4103846 Film web handling mechanism |
| 08/01/1978 | US4103569 Programming cam indexing mechanism |
| 07/25/1978 | US4102569 Sound slide |
| 07/25/1978 | US4102050 Cursor assembly |
| 07/25/1978 | US4102029 Method for loading film transparencies into slide mounts |
| 07/18/1978 | US4101097 Drive control apparatus for motion picture projector |
| 07/11/1978 | US4100592 Projection lighting assembly and lamp unit for use therein |
| 07/04/1978 | US4098470 Movie reel system |
| 06/27/1978 | US4097846 Data storage and retrieval system |
| 06/27/1978 | US4097137 Microfiche having integral indexing means |
| 06/27/1978 | US4097136 Projector for visual images |
| 06/27/1978 | US4097134 Projection device |
| 06/27/1978 | US4097133 Cinematographic camera |
| 06/27/1978 | US4097132 Projector molded chassis |
| 06/27/1978 | US4097013 Tripod stand for projection screen |
| 06/20/1978 | US4096500 Still- or motion-picture camera or reproducing apparatus |
| 06/20/1978 | US4095882 Projected image display system |
| 06/20/1978 | US4095732 Method and apparatus for accurately controlling the position of a film transport device |
| 06/20/1978 | US4095694 Container for photographs |
| 06/13/1978 | US4094600 Micro-image records |
| 06/13/1978 | US4094599 Flexible magazine slide projector with movable lens |
| 06/13/1978 | US4094597 Method and apparatus for producing composite film images for identification |
| 06/13/1978 | US4094596 Animated image presentation apparatus |
| 06/13/1978 | US4094595 Control mechanism for the pull-down pawl of a film projector |
| 06/06/1978 | US4093366 Motion picture projector apparatus and high intensity projection arrangement |
| 06/06/1978 | US4093365 Automatic focus adjusting device |
| 06/06/1978 | US4093363 Motion picture projector |
| 06/06/1978 | US4093142 Filmstrip cartridge |
| 05/30/1978 | US4092064 Projectors |
| 05/30/1978 | US4092063 Filmstrip projector |
| 05/23/1978 | US4090784 Apparatus for facilitating ready insertion and removal of cassettes from wells |
| 05/23/1978 | US4090680 Web leader, web winding methods and wound web with leader |
| 05/16/1978 | US4089599 Device for correcting distortion of a projected image |
| 05/16/1978 | US4089587 Projection screen surface and method of forming said surface |
| 05/16/1978 | US4089490 Film transport mechanism |
| 05/16/1978 | US4089091 Apparatus for the automatic insertion of diapositives into the frames to be used in stereopticon lanterns |
| 05/09/1978 | US4088283 Device for guiding a tape out of a cassette opening |
| 05/02/1978 | US4087165 Film tension absorbing system |
| 04/25/1978 | US4086469 Microfiche reader control means |
| 04/18/1978 | US4084894 Array of optical projection devices |
| 04/18/1978 | US4084762 Arrangement for the automatically releasable affixation of reels on rotatable hubs |
| 04/11/1978 | US4084212 Corona charging unit for microfiche reader/printer |
| 04/11/1978 | US4083626 Light diffusion layer and transparent support bonded by photocurable resin |
| 04/11/1978 | US4083517 Reversible drive transmission for strip handling systems |
| 04/11/1978 | US4083516 Reel mounting for recording or reproducing apparatus |
| 04/04/1978 | US4082446 Slide viewer and photographic copier |
| 04/04/1978 | US4082437 Game having optical presentation and apparatus therefor |
| 03/21/1978 | US4080056 Optical device |
| 03/21/1978 | US4080052 Overhead projection system with lens assembly having concentrically-oriented condensing lenses |
| 03/14/1978 | US4078861 Aperture control mechanism, particularly for planetarium projectors |
| 03/14/1978 | US4078860 Cycloramic image projection system |
| 03/14/1978 | US4078854 Stereo imaging system |
| 03/14/1978 | US4078765 Cinematographic apparatus |
| 03/07/1978 | US4077708 Microfilm reader |
| 03/07/1978 | US4077707 Illumination distribution system for microrecord reader |
| 03/07/1978 | US4077706 Projecting kaleidoscope |
| 03/07/1978 | US4077705 Motion picture projection apparatus |
| 02/28/1978 | US4076415 Microrecord having mirror-images |
| 02/28/1978 | US4076401 Arrangement and method for the storage of lantern slides and projector for viewing thereof |
| 02/28/1978 | US4076400 Microfilm transport with automatic threading |
| 02/28/1978 | US4076398 Visual communications system |
| 02/28/1978 | US4076397 Film projection system |
| 02/28/1978 | US4076384 Rear-projection viewing screen |
| 02/28/1978 | US4076109 Dual friction clutch for motion-picture projectors |
| 02/21/1978 | US4074933 Micro information indexing reader |
| 02/07/1978 | US4072879 Turn-off interlock for tape and film machines |
| 02/07/1978 | US4072860 Apparatus for optical scanning of microfilms or the like |
| 02/07/1978 | US4072416 Optical scanning system for reading micro-image records |
| 02/07/1978 | US4072411 Display device having image sense reversal capability |
| 02/07/1978 | US4072410 Convertible input reader-printer |
| 02/07/1978 | US4072404 Control mechanism for positioning projection screen in closed position |
| 01/31/1978 | US4071286 Slide storing apparatus |
| 01/24/1978 | US4069989 Cartridge for strip-shaped record carriers |
| 01/17/1978 | US4068945 Microform editors |
| 01/17/1978 | US4068944 Microfilm viewer having enlarged copy production attachment |
| 01/17/1978 | US4068922 Front projection screen |
| 01/17/1978 | US4068921 Screen assembly |
| 01/10/1978 | US4067648 Microfiche reader |
| 01/10/1978 | US4067537 Arrangements for movably supporting display elements |
| 01/03/1978 | US4066887 Segmented sectional reflection for the projection of light beams and its method of production |
| 01/03/1978 | US4066350 Character display and input device |
| 01/03/1978 | US4066349 Information retrieval system having ramp motor control |
| 01/03/1978 | US4066332 Rear projection screens |
| 12/13/1977 | US4062140 Slide mount |
| 12/06/1977 | US4061300 Apparatus for stopping and releasing the movement of a sliding up-and-down pole of a portable motion picture screen stand |
| 12/06/1977 | US4061232 Rectilinear transport means |
| 11/29/1977 | US4060318 Projection apparatus |
| 11/29/1977 | US4060317 Compact folded mirror recorder and viewer of information |
| 11/29/1977 | US4060310 Detachable modular drive unit for projection screen apparatus |
| 11/22/1977 | US4059707 Method of filling apertures with crystalline material |
| 11/22/1977 | US4059475 Combined mounting and projection apparatus for aperture cards |