Patents for G03B 23 - Devices for changing pictures in viewing apparatus or projectors (977)
07/1986
07/22/1986US4601559 Slide projector and slide tray
07/15/1986US4600680 Instant images
06/1986
06/17/1986US4595266 Multiple projection optics slide projection apparatus using a circular slide tray, having fixed-position slide gates
06/04/1986CN85202974U Film spool made of thin metal sheet
05/1986
05/22/1986WO1986003031A1 Device for cyclically rearranging a pile of rectangular or square sheets
05/22/1986WO1986003030A1 Device for rearranging a pile of photographic sheets
05/22/1986WO1986003029A1 Device for cyclically rearranging a pile of rectangular or square sheets
05/22/1986WO1986003028A1 Device for cyclically rearranging a pile of rectangular or square sheets
05/22/1986WO1986003027A1 Device for cyclically rearranging a pile of rectangular or square sheets
05/22/1986WO1986003026A1 Device for cyclically rearranging a pile of sheets
05/22/1986WO1986003025A1 Container for piles of pictures
05/22/1986WO1986003024A1 Device for cyclically rearranging a pile of sheets
05/22/1986WO1986003023A1 Container for a pile of sheets
05/22/1986WO1986003022A1 Device for cyclically rearranging a pile of rectangular or square sheets
05/22/1986WO1986003021A1 Device for rearranging a pile of pictures
05/22/1986WO1986003020A1 Device for rearranging a pile of sheets
05/22/1986WO1986003019A1 Device for cyclically rearranging a pile of rectangular or square sheets
05/22/1986WO1986003018A1 Device for cyclically rearranging a pile of rectangular or square sheets
05/06/1986US4586797 Slide projector system
04/1986
04/16/1986EP0178291A2 Slide magazine
04/15/1986US4582407 Automatic distributor for flat rigid pieces
04/10/1986WO1986002174A1 Selective microfiche display equipment
04/08/1986US4581729 Case containing optically readable carrier structure and apparatus for using same
03/1986
03/26/1986EP0174931A1 Multiple projection optics slide projection apparatus using a circular slide tray, having fixed-position slide gates.
02/1986
02/25/1986US4571865 Container for a stack of pictures
02/18/1986US4571042 Disk film projector
02/13/1986WO1986001008A1 A method for presentation of information on a plurality of sheetshaped information carriers and a device for the accomplishment of the method
02/04/1986US4568161 Computer controlled slide projector interface arrangement
12/1985
12/10/1985US4557595 Optical apparatus for exposure and/or image reproduction of microfiche sheet film, and cassette suitable therefor
11/1985
11/05/1985US4550516 Picture viewer
10/1985
10/23/1985EP0158768A1 Device provided with two stations for flat objects, especially film cards
10/15/1985US4546561 Picture viewer
10/01/1985US4544151 Transfer device for film card
09/1985
09/26/1985WO1985004265A1 Multiple projection optics slide projection apparatus using a circular slide tray, having fixed-position slide gates
09/25/1985EP0155446A2 Delivery facility for film cards
09/10/1985US4540257 Card separating members for a microfiche storage and retrieval system
07/1985
07/30/1985US4531829 Multi-form slide selection apparatus
07/10/1985EP0147462A1 Slide projector and device for storing slides to be presented with the projector.
07/02/1985US4526337 Projector stacking stand
06/1985
06/26/1985EP0146139A2 Slide magazine
01/1985
01/31/1985WO1985000436A1 Slide projector and device for storing slides to be presented with the projector
01/15/1985US4493540 Transport apparatus for microfiche cards
12/1984
12/19/1984EP0128868A1 Automatic distributor for flat, rigid objects
12/12/1984EP0127647A1 Projector.
12/11/1984US4487488 Microfiche guidance and buckling detection system
12/11/1984US4487487 Card separating members for a microfiche storage and retrieval system
11/1984
11/20/1984US4483600 Microfiche card transport apparatus
10/1984
10/02/1984US4474440 Slide projector having two image-projection systems which operate with a single slide tray
09/1984
09/25/1984US4473154 Container for photographic prints
09/11/1984US4470675 Random access control apparatus and method for slide projector
09/11/1984US4470510 Storage device for sheets, which are intended to be exposed, particularly microfilms
08/1984
08/21/1984US4466716 Slide projector having two image-projection systems which operate with a single slide tray
08/08/1984EP0115168A1 A projector assembly
08/01/1984EP0114682A2 Slide projector and slide magazine
07/1984
07/11/1984EP0113057A1 Picture viewer
07/10/1984US4458434 Container for pictures having similar formats
06/1984
06/26/1984US4456350 Arrangement for the viewing projection of framed slides
06/07/1984WO1984002200A1 Projector
05/1984
05/29/1984EP0096032A4 Slide previewer and tray loader.
05/02/1984EP0107043A1 Transfer device
04/1984
04/18/1984EP0105456A2 Container for a stack of pictures
04/04/1984EP0037423B1 Apparatus for viewing and sorting photographic slide transparencies
04/03/1984US4440478 Slide tray position sensing arrangement for slide projector apparatus utilizing two slide tray types
03/1984
03/27/1984US4439028 Projector assembly
03/27/1984CA1164299A1 Card holder tray and associated card reader
03/14/1984EP0102627A1 Container for the storage of framed slides
02/1984
02/22/1984EP0101430A2 Frame for a fade-in, fade-out effect device for two magazine slide projectors
02/21/1984US4432618 Tray drive and slide change control apparatus for slide projector
02/14/1984US4431282 Device for mounting diapositives in a strip and an apparatus for projecting the strip-mounted diapositives
02/07/1984US4429963 Slide transfer and shutter control arrangement for slide projector
01/1984
01/31/1984CA1161554A1 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
12/1983
12/21/1983EP0096032A1 Slide previewer and tray loader.
12/20/1983US4422026 Servo control arrangement utilizing alternately energized light sources and a single photodetector
12/13/1983US4420232 Selectively positionable slide tray position sensing arrangement for slide projector apparatus
12/06/1983US4418997 Slide projector with circular slides magazine
11/1983
11/29/1983US4417792 Device for mounting diapositives in a strip and an apparatus for projecting the strip-mounted diapositives
11/23/1983EP0094606A2 Circular magazine for slides
11/22/1983US4416520 Slide projector having two image-projection systems which operate with a single slide tray
11/15/1983US4415079 Holder for photographic prints
11/08/1983US4413435 Picture viewer
10/1983
10/18/1983US4410088 Holders for photographic slides
09/1983
09/27/1983US4406531 Drive for a circular magazine of a slide projector
09/06/1983US4402584 Dual slide projector and tray
09/01/1983WO1983003014A1 Dual slide projector and tray
08/1983
08/24/1983EP0086197A1 Storage device for sheets, which are intended to be exposed, particularly microfilms
08/10/1983EP0085186A2 Picture container
07/1983
07/20/1983EP0083754A1 Servo control arrangement utilizing alternately energized light source
07/07/1983WO1983002336A1 Slide previewer and tray loader
06/1983
06/28/1983US4389803 Slide viewer or projector
06/21/1983US4389103 Slide projector having two image-projection systems which operate with a single slide tray
05/1983
05/31/1983US4385815 Slide projector
05/10/1983US4382664 Mechanism for transporting a slide from a long magazine into the optical channel of a slide projector
05/10/1983US4382663 Diaprojector
04/1983
04/12/1983US4379627 Tray for storing and classifying slides and a viewer for slides disposed in such trays
04/05/1983CA1143970A1 Picture viewing device
03/1983
03/15/1983US4376348 Picture viewer
02/1983
02/09/1983EP0071390A1 A multiple image slide projector
02/01/1983CA1140375A1 Direct illumination projector
01/1983
01/19/1983EP0069935A1 Arrangement for the longitudinal motion of slide-magazines
01/18/1983US4368964 Slide projector with stationary slide magazines and automatic slide changer
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