Patents for G03B 23 - Devices for changing pictures in viewing apparatus or projectors (977) |
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11/02/1982 | CA1134653A1 Image storage and display |
10/19/1982 | US4354745 Slide handling apparatus |
09/30/1982 | WO1982003278A1 Storage device for sheets, which are intended to be exposed, particularly microfilms |
09/28/1982 | US4351497 Cassette for band material |
09/14/1982 | US4349253 Cassette rotary tray slide projector and slide cassette usable therewith |
08/25/1982 | EP0058163A1 Built-in dissolve unit for slide projectors |
06/23/1982 | EP0054224A2 Circular magazine for a lap dissolve projector |
06/22/1982 | US4335989 Miniature slide storage tray and method of using same |
06/09/1982 | EP0053336A1 Slide projector with a slide-changer and a shiftable rider thereon |
05/25/1982 | US4331398 Device for transporting slide film mounts in a slide film projector |
05/18/1982 | CA1123808A1 Dual web sound movie cassette with emulsion stripping web |
05/04/1982 | CA1122836A1 Rotary film strip holding apparatus |
03/17/1982 | EP0047466A1 Tray for holding and classifying fiches and projector therefor |
03/09/1982 | CA1119458A1 Photoprinting apparatus employing base line control imaging font |
03/04/1982 | WO1982000722A1 Built-in dissolve unit for slide projectors |
02/10/1982 | EP0045666A1 Holders for photographic slides |
02/02/1982 | US4313675 Episcope |
01/26/1982 | CA1116901A2 Magazine loading of photographic slides |
01/26/1982 | CA1116900A1 Multiple optics slide projector |
01/19/1982 | CA1116445A1 Viewer for photographic prints |
01/05/1982 | US4309087 Slide magazine projector |
12/22/1981 | US4306782 Removable remote control unit for a slide projector |
12/09/1981 | EP0041211A1 Projekting system for diapositives |
11/11/1981 | EP0039416A1 Slides projector and slides magazine |
11/04/1981 | EP0038941A1 Remote control device |
10/27/1981 | US4297010 Slide tray protector |
10/27/1981 | US4297009 Image storage and display |
10/13/1981 | US4294418 Tape cartridge |
09/30/1981 | EP0036492A1 Circular magazine |
09/29/1981 | US4291955 Gravity-feed rotary tray slide projector |
09/08/1981 | CA1108446A1 Viewing carrier for photographic sheets |
08/26/1981 | EP0034218A1 Projector for films, slides or the like |
08/26/1981 | EP0034195A1 Device for simplifying the operation of lap dissolve projectors having a magazine |
08/19/1981 | EP0034014A1 Storage apparatus for photographic microform recordings |
08/18/1981 | CA1107103A1 Viewer for photographic prints |
08/18/1981 | CA1107102A1 Viewer for photographic prints |
08/11/1981 | CA1106662A1 Viewer for photographic prints |
08/04/1981 | CA1106214A1 Viewer for photographic prints |
07/22/1981 | EP0032438A2 Image storage and display |
07/08/1981 | EP0031363A1 Gravity-feed rotary tray slide projector |
06/25/1981 | WO1981001752A1 Apparatus for projecting films,slides etc. |
06/23/1981 | US4274719 Slide projector |
06/23/1981 | CA1103490A1 Container and viewer for photographic prints |
06/16/1981 | US4273427 Apparatus for storing and randomly accessing planar film records |
05/12/1981 | US4266834 Filing arrangement |
04/28/1981 | US4264158 Picture changer for large-scale picture projector |
04/28/1981 | CA1099966A1 Magazine loading of photographic slides |
04/08/1981 | EP0026550A2 A case with an information carrier consisting of a tape one side of which has a structure carrying optically readable information, as well as an apparatus for writing, reading or erasing such information |
04/07/1981 | US4259802 Picture viewer |
04/02/1981 | WO1981000918A1 Apparatus for viewing and sorting photographic slide transparencies |
03/31/1981 | CA1098348A1 Microfilm jacket |
03/11/1981 | EP0024469A1 Slide magazine |
03/10/1981 | US4255026 Viewer |
03/03/1981 | US4253789 Miniature slide storage tray |
02/18/1981 | EP0023945A1 Cross-fade still picture projector |
02/11/1981 | EP0023535A1 Cross-fade still picture projector |
02/10/1981 | US4249329 Apparatus for viewing and sorting photographic slide transparencies |
02/04/1981 | EP0023255A1 Projector provided with an operating device |
02/03/1981 | US4248508 Projection mask storage and carrier system |
01/28/1981 | EP0022909A1 Slide projector with cross-fade facility |
01/28/1981 | EP0022908A1 Dissolving still picture twin projector |
01/22/1981 | WO1981000155A1 Gravity-feed rotary tray slide projector |
01/20/1981 | US4245899 Slide magazine for slide projectors |
01/20/1981 | US4245417 Picture viewer |
01/07/1981 | EP0021008A1 Device for concealed slide change and method of producing the same, and projector |
01/06/1981 | US4242820 Container for photographic prints |
01/06/1981 | CA1093139A1 Photographic apparatus |
12/30/1980 | US4241529 Picture viewer |
12/30/1980 | US4241528 Picture viewer |
12/16/1980 | US4238899 Picture viewer |
12/16/1980 | US4238898 Picture viewer |
12/10/1980 | EP0019698A1 Slide projector |
12/02/1980 | CA1090634A1 Remote controlled refracting chart projector |
11/11/1980 | US4232953 Gravity-feed rotary tray slide projector |
11/04/1980 | US4231643 Photographic film projection dissolve system for arc lamp projectors |
10/21/1980 | US4229084 Transparency cassette and viewer or projector |
09/30/1980 | US4225044 Slide frames and a slide magazine for storing such slide frames |
09/17/1980 | EP0015362A1 Slide projector |
08/20/1980 | EP0014220A1 Slide projector comprising actuating means |
08/19/1980 | US4218118 Slide viewing apparatus |
08/19/1980 | CA1084026A1 Web cassette with cartridge load |
08/06/1980 | EP0014024A1 Apparatus for handling photographic slides |
07/01/1980 | CA1080531A2 Character-bearing matrix for photographic type composing machine |
07/01/1980 | CA1080530A2 Photographic type composing apparatus with multi-function drive means |
06/17/1980 | CA1079554A1 Film strip projection apparatus |
06/11/1980 | EP0011740A1 Slide projector |
06/10/1980 | US4206985 Filmstrip projector take-up |
05/28/1980 | EP0011229A1 Slide projector and suitable slide magazines therefor |
05/27/1980 | US4204754 Format film selecting device |
05/27/1980 | US4204753 Rotary film strip holding apparatus |
05/14/1980 | EP0010554A1 Device for optically suppressing the motion of picture changes in projecting apparatuses |
04/29/1980 | US4200368 Slide presence shutter lock |
04/22/1980 | US4199234 Slide projector apparatus |
04/16/1980 | EP0009878A1 A self-threading take-up magazine for a photographic printer |
03/06/1980 | WO1980000378A1 Rotary film strip holding apparatus |
03/05/1980 | EP0008448A2 Slide viewer |
02/19/1980 | US4189226 Electrophotographic apparatus for developing an electrostatic latent image on a slide film |
01/01/1980 | US4181410 Method and apparatus for automatic implementation of fade-in, fade-out and fade-over recording effects on film |
12/12/1979 | EP0005817A1 Slide projector |
11/14/1979 | EP0005236A1 Device for the transport of slides in a projector |