| Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465) |
|---|
| 03/20/1979 | US4145127 Film transport and control mechanism for motion picture projectors |
| 03/20/1979 | US4145126 Film cassette sensing and retaining unit |
| 03/13/1979 | US4143953 Microfilm reader |
| 03/13/1979 | US4143951 Cine-projector |
| 03/13/1979 | US4143950 Camera |
| 03/13/1979 | US4143943 Rear projection screen system |
| 03/13/1979 | CA1050514A1 Film core with restrainer |
| 03/13/1979 | CA1050312A1 Overhead image projecting optical system |
| 03/06/1979 | CA1050098A1 Microfiche reader/printer |
| 02/27/1979 | US4142129 Lamp changing system for projectors |
| 02/27/1979 | US4141523 Projector having an adjustable height |
| 02/27/1979 | CA1049305A1 Front projection screen |
| 02/27/1979 | CA1049304A1 Portable microfiche projector |
| 02/21/1979 | EP0000712A1 Method and device for presenting a cassette with an endless web |
| 02/20/1979 | US4140377 Dental X-ray film viewer |
| 02/20/1979 | US4140376 Microfiche reader |
| 02/13/1979 | US4139283 Rear projection viewer having automatically erecting auxiliary screen |
| 02/13/1979 | US4138757 Ultrasonic film cleaning apparatus |
| 02/13/1979 | CA1048316A1 Projection screen and apparatus for the fabrication thereof |
| 01/30/1979 | US4136938 Optical projection apparatus |
| 01/30/1979 | US4136937 Microfilm reader |
| 01/30/1979 | US4136935 Rear projection viewer having auxiliary viewing screen |
| 01/23/1979 | US4135784 Rear screen optic projection apparatus |
| 01/23/1979 | US4135680 Flat strip spool having a core provided with strip fastening means |
| 01/23/1979 | US4135343 Method and apparatus for framing photographic film sections in slide frames |
| 01/23/1979 | CA1046813A1 Back projection system and screen for image projection |
| 01/16/1979 | US4134674 Microfiche retrieval system with a printer operable in four modes |
| 01/16/1979 | US4134650 Distributed-optical microfiche reader |
| 01/16/1979 | CA1046541A1 Film tension absorbing system |
| 01/16/1979 | CA1046317A1 Microform reader with viewing screen |
| 01/09/1979 | US4133605 Preview and projection system for slides stored in spaced, co-planar relation in a planar holder |
| 01/02/1979 | US4132462 Filamentary projection system |
| 12/26/1978 | US4131348 Collapsible microfilm reader |
| 12/26/1978 | US4131346 Projector |
| 12/26/1978 | US4131344 Motor control system for automatic processing of photographic film strips |
| 12/26/1978 | US4131305 Leader pin |
| 12/26/1978 | US4131273 Record card feeding apparatus |
| 12/19/1978 | US4130352 Portable microfiche reader with foldup lens and mirror assembly |
| 12/19/1978 | CA1044683A1 Arrangements for movably supporting display elements |
| 12/19/1978 | CA1044616A1 Microfiche reader |
| 12/12/1978 | US4129365 Wide angle anamorphic display projection system |
| 12/12/1978 | US4129364 Film projector |
| 12/12/1978 | CA1044205A1 Film supply and take-up system for motion picture projector |
| 12/12/1978 | CA1044106A1 Microfiche carrier |
| 12/05/1978 | US4128319 Cover plate for a microform reader |
| 12/05/1978 | US4128175 Stand for holding gramophone records and magnetic tape cassette cases |
| 12/05/1978 | CA1043855A1 Methods and apparatus for controlling slide projectors |
| 11/28/1978 | US4127323 Still projector with spare projection lamp |
| 11/21/1978 | US4126387 Microform reader |
| 11/14/1978 | US4125321 Apparatus for projecting light images |
| 11/07/1978 | US4124882 Light source for multiple image projection device |
| 11/07/1978 | US4124285 Marker projector system |
| 11/07/1978 | US4123891 Microfilm jacket microfilm-feeding process |
| 10/31/1978 | US4123699 Vertically scanning microfilm reader and reader printer |
| 10/31/1978 | US4123157 Dry process production and annotation of archival microform records from hard copy |
| 10/24/1978 | US4121887 Microfiche reader with improved carriage mounting |
| 10/24/1978 | US4121786 Coaxial reel system |
| 10/17/1978 | US4120575 Test tube projection system and method |
| 10/17/1978 | US4120574 Portable microfilm reader |
| 10/17/1978 | US4120573 Microfiche reader |
| 10/17/1978 | US4120572 Multiple film type motion picture projection |
| 10/17/1978 | CA1040548A1 Microfiche cartridge |
| 10/17/1978 | CA1040466A1 Low-glare overhead projector |
| 10/10/1978 | US4119990 Fluid applicator doctor blade |
| 10/10/1978 | US4119372 Microfiche inspection apparatus |
| 10/10/1978 | US4119370 Self-developing motion picture viewer having controlled film imbibition |
| 10/03/1978 | US4118761 Light condensing illuminator |
| 10/03/1978 | US4118737 Automatic system for handling and processing photographic film strips |
| 10/03/1978 | US4118114 Low-glare overhead projector |
| 10/03/1978 | CA1039544A1 Microform projection apparatus |
| 09/26/1978 | US4116911 Rear projection screens |
| 09/26/1978 | US4116553 Display method and apparatus |
| 09/26/1978 | US4116551 Projector auto rewind mechanism |
| 09/26/1978 | US4116550 Projector reset-auto stop mechanism |
| 09/19/1978 | US4114997 Navigational device |
| 09/19/1978 | CA1038779A1 Selection for microfiche cartridge |
| 09/12/1978 | US4114168 Film strip recorder and viewer |
| 09/12/1978 | US4113377 Reader-printer |
| 09/12/1978 | US4113369 Motion picture projector |
| 09/12/1978 | US4113366 Film projection system |
| 09/12/1978 | US4113091 Holders for tape cassettes |
| 09/12/1978 | CA1038210A1 Image projection system |
| 09/05/1978 | US4112438 Method and projection apparatus |
| 09/05/1978 | US4112165 X-ray film mount |
| 09/05/1978 | US4111538 Projection system of high efficiency |
| 09/05/1978 | US4111537 Optical structure for microfiche reader |
| 09/05/1978 | US4111149 Optical structure for microfiche reader |
| 09/05/1978 | US4110924 Mount for x-ray films |
| 09/05/1978 | CA1037750A1 Illuminated optical viewers |
| 08/29/1978 | US4110039 Microfilm enlarging apparatus |
| 08/29/1978 | US4110021 Micro fiche indexer |
| 08/29/1978 | US4110020 Electronically controlled microfilm photographic image utilization device |
| 08/29/1978 | US4110019 Intermittent drive mechanism for film |
| 08/29/1978 | US4110003 Portable movie screen device |
| 08/22/1978 | CA1037104A1 Microfiche reader/printer |
| 08/15/1978 | US4106866 Image projection system |
| 08/15/1978 | US4106863 Cassette receiving well structure for photographic viewing apparatus |
| 08/15/1978 | US4106852 Projection screen support structure |
| 08/15/1978 | CA1036402A1 Carriage mechanism for microfiche reader |
| 08/08/1978 | US4105319 Microfiche carrier |