| Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465) |
|---|
| 09/09/1980 | CA1085201A1 Sawtooth shaped front projection screen |
| 09/02/1980 | US4220404 Microfiche reader |
| 08/26/1980 | US4219737 Self regulating microfilm frame detection circuit |
| 08/26/1980 | US4219259 Editing machine |
| 08/26/1980 | US4219253 Screen |
| 08/26/1980 | CA1084323A1 Dry process production and annotation of archival microform records from hard copy |
| 08/20/1980 | EP0014220A1 Slide projector comprising actuating means |
| 08/19/1980 | US4218118 Slide viewing apparatus |
| 08/19/1980 | US4218117 Audio system vibration isolation arrangement for photographic viewer |
| 08/19/1980 | US4218115 Changeover control arrangement for projection apparatus |
| 08/19/1980 | CA1084026A1 Web cassette with cartridge load |
| 08/19/1980 | CA1083864A1 Roll film reader/printer with manually insertable discrete film |
| 08/12/1980 | US4217041 Cassegrainian microfiche lens construction |
| 08/12/1980 | US4217040 Apparatus for projecting an image having a convoluted focal plane |
| 08/12/1980 | US4217039 Microfiche viewer with rotatable base |
| 08/12/1980 | US4217016 Rotary electric receptacle |
| 08/06/1980 | EP0013984A1 Process and device for transporting an endless web out of a coil |
| 08/06/1980 | EP0013926A1 Projection screen |
| 08/05/1980 | US4215921 Intermittent prime film mover using multi-toothed wheel drive |
| 08/05/1980 | US4215915 Objective lens holding arrangement for a micro-film reader |
| 07/22/1980 | US4213696 Scan mechanism for a microfilm reader/printer |
| 07/22/1980 | US4213679 Projector |
| 07/22/1980 | US4213260 Overlay device for use with an illuminated transparency viewer |
| 07/22/1980 | CA1082014A1 Compact image viewer |
| 07/15/1980 | US4212532 Slit exposure type copying apparatus |
| 07/08/1980 | CA1081139A1 Record card feeding apparatus |
| 07/01/1980 | US4209923 Slide holder tray |
| 06/24/1980 | US4209238 Microfilm transport with shuttered lens and glass flat control |
| 06/24/1980 | CA1080302A1 Motor angular velocity monitor circuit |
| 06/17/1980 | US4208363 Method of making a plurality of adjacent light pipe elements |
| 06/17/1980 | US4208109 Selective real estate display systems |
| 06/17/1980 | US4208018 Method and apparatus for winding an endless tape |
| 06/17/1980 | US4207980 Slide file sheet |
| 06/17/1980 | US4207979 Tray for sorting and storing photographic transparency slides |
| 06/17/1980 | CA1079554A1 Film strip projection apparatus |
| 06/17/1980 | CA1079553A1 Front projection type microfiche reader |
| 06/12/1980 | WO1980001210A1 Projector |
| 06/11/1980 | EP0011772A1 Cinematographic lamp |
| 06/10/1980 | US4207473 Frame detection circuitry for microfilm reader apparatus |
| 06/10/1980 | US4206984 Overhead projector |
| 06/10/1980 | US4206981 Telecine projector |
| 06/10/1980 | US4206969 Directional front projection screen |
| 06/03/1980 | US4205806 Take-up motion for a tapelike material |
| 06/03/1980 | US4205803 Adaptor for a film viewer |
| 06/03/1980 | CA1078750A1 On-line tape library system |
| 05/27/1980 | US4204753 Rotary film strip holding apparatus |
| 05/27/1980 | US4204752 Portable card motion picture viewer |
| 05/20/1980 | US4203659 Transparency storage and display apparatus |
| 05/20/1980 | US4203658 Micro image storage and retrieval apparatus |
| 05/20/1980 | US4203657 Micro image cassette and viewer |
| 05/20/1980 | US4203564 Tape reel |
| 05/13/1980 | US4202613 Film strip handling apparatus and method |
| 05/13/1980 | US4202611 Projector apparatus and control arrangement |
| 05/13/1980 | US4202122 Self-supporting unitary plate for holding photographic slides |
| 05/06/1980 | US4201449 Screen |
| 05/06/1980 | CA1077007A1 Reversible drive transmission for strip handling systems |
| 04/30/1980 | EP0010504A1 Device for keeping the side flanges of a motion-picture film or magnetic tape reel contained in a box at a constant distance from each other |
| 04/29/1980 | US4200392 Photographic copy apparatus with cropping feature |
| 04/29/1980 | US4200368 Slide presence shutter lock |
| 04/29/1980 | US4200367 Projector |
| 04/29/1980 | US4200366 Microform readers |
| 04/29/1980 | US4200365 Display and reproduction of color |
| 04/22/1980 | US4199234 Slide projector apparatus |
| 04/22/1980 | US4199233 Feed shuttle mechanism for motion picture film strips |
| 04/22/1980 | US4199232 Optical rectification apparatus |
| 04/15/1980 | US4198138 Automatic focusing system for projectors |
| 04/15/1980 | US4198137 Microfilm reader/printer with normally open and removable glass flat assembly |
| 04/15/1980 | US4198136 Reproducing of interspersed motion-picture scenes and still shots |
| 04/15/1980 | US4198134 Film cartridge |
| 04/08/1980 | US4196983 Sound motion picture camera |
| 04/08/1980 | CA1075062A1 Vesicular film camera with inspection station |
| 04/03/1980 | WO1980000622A1 Device for presenting opaque images,for example photos |
| 04/01/1980 | US4195920 Golf game projector |
| 03/25/1980 | US4194817 Marking of interspersed motion-picture scenes and still shots with interrupt-transport markings |
| 03/25/1980 | US4194816 High speed rotating drive termination system |
| 03/25/1980 | CA1074418A1 Apparatus for sensing notches |
| 03/19/1980 | EP0008801A1 Daylight projector |
| 03/18/1980 | USRE30232 Large capacity film cassette |
| 03/18/1980 | US4193317 Fine position control device |
| 03/18/1980 | US4193218 Translucent storage pages for filing film slides |
| 03/11/1980 | US4192585 Slide projector with automatic focusing system |
| 03/11/1980 | US4192584 System for creating motion effects employing still projection equipment |
| 03/06/1980 | WO1980000378A1 Rotary film strip holding apparatus |
| 03/04/1980 | US4191457 Bi-directional optical apparatus for altering an optically projected member |
| 03/04/1980 | US4191455 Manual retrieving mechanism for microfiche reader apparatus or the like |
| 03/04/1980 | US4191451 Projection screen and method of making same |
| 02/26/1980 | US4190320 Projection screen |
| 02/26/1980 | US4189858 Apparatus for jointly examining and depositing a plurality of transparent pictures |
| 02/26/1980 | CA1072663A1 Display device having image sense reversal capability |
| 02/26/1980 | CA1072380A1 Vertically scanning microfilm reader and reader/printer |
| 02/12/1980 | US4188114 Microfiche scanner module |
| 02/12/1980 | US4188101 Rotatable slide holder |
| 02/12/1980 | US4188100 Rotary slide carrier system |
| 02/12/1980 | US4188099 Image projection apparatus with sustained image exposure |
| 02/05/1980 | US4187010 Frame positioning apparatus |
| 01/29/1980 | US4185901 Reading device |
| 01/29/1980 | US4185900 Roll film reader/printer with manually insertable discrete film |
| 01/29/1980 | US4185899 Combination viewer and projector |
| 01/29/1980 | US4185406 Multislide holder and editor and cabinet therefor |
| 01/22/1980 | US4184762 Variable definition projection systems |