Patents for G03B 23 - Devices for changing pictures in viewing apparatus or projectors (977)
11/1988
11/01/1988US4780976 Container for accommodating a pile of pictures
10/1988
10/26/1988EP0288396A1 Slide-changing mechanism for slide projectors, and projector comprising such a mechanism
10/26/1988EP0287620A1 Picture exchanger
10/18/1988USRE32766 Picture viewer
10/18/1988US4777748 Device for the cyclic rearrangement of a pile of rectangular or square sheets
10/11/1988US4776689 Slide magazine for storage and retrieval system
10/11/1988US4776119 Container for a pile of sheets
09/1988
09/22/1988WO1988007221A2 Still view projector
09/20/1988US4772168 Device for rearranging a pile of sheets
09/13/1988US4770524 Slide projection system for coplanar stored slides
09/13/1988US4769915 Random access image retrieval apparatus
09/08/1988DE3706067A1 Projector for the projection of transparencies held in glassless slide mounts
09/06/1988US4769732 Magnetic tape cassette
08/1988
08/30/1988USRE32738 Picture viewer
08/23/1988US4765734 Digitally encoded alpha-numeric projector slide and systems for using the same
08/23/1988CA1240865A1 Microfiche card transport apparatus
08/23/1988CA1240864A1 Microfiche guidance and buckling detection system
08/23/1988CA1240863A1 Transport apparatus for microfiche cards
08/16/1988US4763429 Device for the cyclic rearrangement of a pile of rectangular or square sheets
07/1988
07/26/1988US4759142 Cyclic rearrangement apparatus for stacked rectangular sheets
07/20/1988CN87216613U Disk type additional slide-drawing projecting device for slide projector
07/19/1988US4758127 Original feeding apparatus and a cassette for containing the original
07/12/1988US4757355 Mask storing mechanism
07/12/1988US4756614 Film projector toy
07/05/1988US4754564 Device for the cyclic rearrangement of a pile of rectangular or square sheets
05/1988
05/24/1988US4747121 Remote control slide projector module
05/24/1988US4746209 Device for storing and handling slides
05/24/1988US4745697 Device for the cyclic rearrangement of a pile of sheets
05/05/1988WO1988003280A1 Picture exchanger
05/03/1988US4741614 Projected device
04/1988
04/27/1988EP0264518A1 Package for visualizing photographic pictures
04/05/1988US4735499 Film carrier support mechanism for film projector
03/1988
03/22/1988US4732467 Automated photograph slide storage and retrieval system
03/09/1988EP0258807A2 Slide projector
03/09/1988EP0258713A2 Slide magazine
03/03/1988DE3629812A1 Dissolving projector arrangement
03/02/1988CN87103756A Improved stereoscopic viewer
02/1988
02/23/1988US4726653 Stereoscopic viewer
02/17/1988CN87104570A Slide projector
02/10/1988CN86209152U Small 16 mm slide projector with an automatically slide-moving mechanism
01/1988
01/14/1988WO1988000360A1 Apparatus for projections of slides
01/13/1988EP0252675A2 Automated photograph silde storage and retrieval system
01/13/1988EP0252106A1 Picture viewing device.
01/07/1988EP0251222A1 Fade-over projector
12/1987
12/29/1987US4715705 Method for presentation of information of a plurality of sheetshaped information carriers and a device for the accomplishment of the method
12/02/1987EP0247200A1 Frame for a set of pictures
11/1987
11/25/1987EP0246799A1 Digitally encoded alpha-numeric projector slide and systems for using the same
11/25/1987EP0246586A1 Improved stereoscopic viewer
11/25/1987EP0246253A1 Frame for a set of pictures.
11/19/1987EP0147462B1 Slide projector and device for storing slides to be presented with the projector
11/17/1987US4707092 Transparency transport system for overhead projector
10/1987
10/27/1987USRE32528 Container for pictures having similar formats
10/13/1987US4699372 Transport mechanism
09/1987
09/30/1987EP0238900A1 Storage and manipulating device for slides
09/17/1987DE3608162A1 Slide projector
09/16/1987CN87101754A Device for storing and handling slides
09/15/1987US4693373 Slide archival storage and retrieval system
09/12/1987CN86202452U 纸影片 Paper Videos
09/10/1987DE3607763A1 Device for storing and retrieving microfiches
09/09/1987EP0235278A1 Projection apparatus
09/02/1987EP0127647B1 Projector
07/1987
07/14/1987US4679922 Retrieving images stored on windowed discs
07/02/1987WO1987003971A1 Picture viewing device
06/1987
06/23/1987US4674209 Picture viewer
06/09/1987US4671633 Slide magazine for a slide projector having a picture changing device with a horizontally activated slide pusher
06/09/1987CA1222727A1 Container for photographic prints
05/1987
05/21/1987WO1987003106A1 Frame for a set of pictures
05/21/1987WO1987003105A1 Frame for a set of pictures
05/13/1987EP0221069A1 A device for presentation of information on a plurality of sheetshaped information carriers
04/1987
04/28/1987US4660722 Sheet film cassette
04/02/1987DE3527191A1 Device for producing a continuous picture sequence from a picture stack
04/01/1987CN86204819U Linear overlapped automatic holder of slide projector
04/01/1987CN85106940A Double-len, telecontrol diapositive replacing projecting epidiascope
03/1987
03/31/1987US4653744 Device for transferring flat objects between two stations
03/25/1987EP0096032B1 Slide previewer and tray loader
03/17/1987USRE32371 Apparatus for viewing and sorting photographic slide transparencies
03/17/1987US4650303 Projection apparatus for photographic transparencies and a device apparatus for storing transparencies to be projected with the apparatus
03/12/1987WO1987001471A1 Projection apparatus
02/1987
02/26/1987DE3600614A1 Slide projector
02/19/1987DE3528788A1 Counting device for the position of a slide magazine in a projector
01/1987
01/29/1987DE3525829A1 Pull-in device for microfilm cassettes
12/1986
12/18/1986WO1986007291A1 Slide archival storage and retrieval system
12/17/1986EP0204757A1 Device for cyclically rearranging a pile of rectangular or square sheets.
12/17/1986EP0204756A1 Device for cyclically rearranging a pile of rectangular or square sheets.
12/17/1986EP0204729A1 Device for cyclically rearranging a pile of sheets.
12/17/1986EP0204717A1 Selective microfiche display equipment
12/09/1986US4627696 Projection apparatus
12/03/1986EP0203168A1 Container for a pile of sheets.
12/03/1986EP0203155A1 Device for cyclically rearranging a pile of rectangular or square sheets.
11/1986
11/26/1986EP0202307A1 Container for piles of pictures.
11/26/1986EP0202283A1 Device for cyclically rearranging a pile of sheets.
11/20/1986EP0201596A1 Device for cyclically rearranging a pile of rectangular or square sheets.
11/20/1986EP0201595A1 Device for rearranging a pile of pictures
11/20/1986EP0201594A1 Device for cyclically rearranging a pile of rectangular or square sheets.
11/20/1986EP0201552A1 Device for rearranging a pile of photographic sheets.
11/20/1986EP0201551A1 Device for cyclically rearranging a pile of rectangular or square sheets.
11/20/1986EP0201550A1 Device for rearranging a pile of sheets.
09/1986
09/10/1986CN85203260U Hand-operated mnemonic device
08/1986
08/26/1986US4607926 Apparatus for processing and/or projecting transparency film assemblages
07/1986
07/29/1986US4602865 Method for sorting out slide films in a magazine system
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