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