Patents for G03B 23 - Devices for changing pictures in viewing apparatus or projectors (977)
07/1998
07/01/1998EP0851277A2 Orienting Projector
07/01/1998EP0851276A2 Projector with means for masking the edges of the projection window of a slide
06/1998
06/23/1998US5769684 Compact low-cost portable slide presentation toy
05/1998
05/06/1998EP0839347A1 Position determination of a laser pointer in a projection display system
04/1998
04/28/1998US5743609 Method and apparatus for preparing photographic film units having image frame associated encoded information
04/14/1998US5738428 For use with processed photographic film
02/1998
02/26/1998DE19633825A1 Planar tensioning method for film slide band in projector
02/24/1998US5721610 Film image pickup device
01/1998
01/14/1998EP0818698A1 Optical projector
01/08/1998DE19616700A1 Magazine for transparency film with two=part cassette
11/1997
11/26/1997CN2268625Y Music photo album
11/06/1997WO1997041502A1 Position determination of a laser pointer in a projection display system
10/1997
10/14/1997US5677759 Film transfer and viewing device
09/1997
09/17/1997EP0648347B1 Projector
08/1997
08/27/1997EP0791904A1 Device for the successive display of pictures in recreational machines
07/1997
07/30/1997CN2258624Y Transparent sheet viewing machine
07/16/1997EP0648346B1 Projector
06/1997
06/24/1997US5642430 Visual presentation system which determines length of time to present each slide or transparency
04/1997
04/30/1997DE19643567A1 Transparency projector with additional lens system for projection of cursor
03/1997
03/11/1997US5609403 Film image display apparatus and method
03/11/1997US5609252 Photograph display and storage tray system
02/1997
02/20/1997WO1997006467A1 Transparency display system
02/19/1997CN2247822Y horizontal-axle picture and photograph show machine
12/1996
12/27/1996EP0750282A2 Reel system for tensioning a flexible image strip in a fruit machine
11/1996
11/14/1996DE19610901A1 Slide projector control method
11/12/1996US5574798 Visual presentation system which determines length of time to present each slide or transparency
11/12/1996US5573196 Cartridge and method for attaching or detaching a filmstrip to a film cartridge
11/07/1996DE19518251C1 Transparency projector esp. for children
10/1996
10/31/1996DE19515458A1 System for endless projection of slides esp. from flat slide magazines in slide projector
10/23/1996EP0673516A4 An apparatus for withdrawing an individual sheet from a sheet stack.
10/02/1996DE19508829A1 Arrangement for removing dark phase when exchanging photo-slides in projector
09/1996
09/19/1996DE19510691A1 Brightness shutter for image projectors
09/18/1996CN2235627Y Device for changing picture
09/10/1996US5555042 Apparatus for automatically feeding slides into a film scanner
08/1996
08/20/1996US5546686 Electromotive device for exhibiting pictures
07/1996
07/30/1996US5541680 Slide projector assembly
07/25/1996DE19501768A1 Dark phase compensating appts. when changing slides in slide projectors
06/1996
06/06/1996WO1996017275A1 Slide film magazine
06/05/1996DE4442775A1 Diafilm-Magazineinrichtung Positive Film magazine device
06/05/1996DE4442774A1 Slide projector with frame orientation control
05/1996
05/15/1996EP0712031A1 Film image display apparatus and method
05/08/1996EP0711070A1 Apparatus for automatically feeding slides into a film scanner
04/1996
04/17/1996CN1120865A Electromotive device for exhibiting pictures
03/1996
03/28/1996WO1996009570A1 A method and an apparatus for transporting and selecting film carrying frames in a horizontally movable magazine
03/21/1996DE4433571A1 Endless dia feeding arrangement, esp. for dia projector with flat magazine
02/1996
02/21/1996EP0697676A2 Visual presentation system which determines length of time to present each slide or transparency
02/07/1996EP0695433A1 Electromotive device for exhibiting pictures
01/1996
01/24/1996CN1115585A An apparatus for withdrawing an individual sheet from a sheet stack
01/24/1996CN1030802C Slide magazine
01/09/1996US5483309 Slide projector
12/1995
12/12/1995US5475453 Manually-operated tray assembly for dispensing and receiving overhead projector transparencies
11/1995
11/15/1995CN1111759A Film cartridge projection device
11/14/1995US5467152 Overhead projector
11/09/1995WO1995030175A1 Improved overhead projector
10/1995
10/18/1995CN2210403Y Automatic device for changing picture
10/18/1995CN1030112C Slide magazine
09/1995
09/27/1995EP0673516A1 An apparatus for withdrawing an individual sheet from a sheet stack
09/27/1995CN1109262A 投影仪 Projector
09/27/1995CN1109261A 投影仪 Projector
08/1995
08/23/1995CN2205972Y Box for storing photos
08/08/1995US5440362 Transparency display system
08/02/1995CN1105937A Hanging calendar
07/1995
07/19/1995EP0663608A1 Remote control unit for photographic slide projector
07/11/1995CA1336235C Stereoscopic viewer
06/1995
06/28/1995EP0660168A1 Film cartridge projection device
06/28/1995EP0660166A1 A cartridge and method for attaching or detaching a filmstrip to a film cartridge
06/27/1995US5428415 Slide projector for front and rear projection
06/21/1995CN2201681Y Automatic negative reader
05/1995
05/23/1995CA2068208C Slide projector
05/17/1995EP0653666A1 Slide projector
05/16/1995CA2135585A1 Slide projector
05/11/1995WO1995010796A3 An apparatus for withdrawing an individual sheet from a sheet stack
04/1995
04/25/1995US5410377 Drum-type slide magazine
04/20/1995WO1995010796A2 An apparatus for withdrawing an individual sheet from a sheet stack
04/19/1995EP0648347A1 Projector.
04/19/1995EP0648346A1 Projector.
04/18/1995US5408284 Remote-controlled slide projector
03/1995
03/08/1995EP0564593B1 Random access module for slide projector
03/08/1995CN2191443Y Photo display box
02/1995
02/07/1995US5387954 Transparency magazine loading device
12/1994
12/21/1994CN2185906Y Translating machine for selling goods
11/1994
11/15/1994US5365289 Manual cassette system for overhead projection transparencies
11/10/1994WO1994025898A1 Projector
11/10/1994WO1994025897A1 Projector
11/08/1994US5363156 Film cartridge projection device
10/1994
10/13/1994WO1994023337A1 Electromotive device for exhibiting pictures
09/1994
09/08/1994DE4314457C1 Projector
08/1994
08/17/1994EP0610761A1 Drum-type slide magazine
07/1994
07/19/1994CA1330810C Storage container for a pile of sheets
07/13/1994CN2171879Y Photograph box
07/07/1994CA2544690A1 Still film sound photography method & apparatus
06/1994
06/22/1994EP0438430B1 Film cassette
06/15/1994CN2169145Y Multifunctional stereo photos album
06/14/1994US5321449 Projecting flashlight
06/08/1994EP0398940B1 Mechanism for handling slides and film strips
05/1994
05/04/1994EP0355130B1 Storage container for a pile of sheets
04/1994
04/12/1994US5302984 Device for moving a slide into a slide gate and for receiving a lens mount
03/1994
03/22/1994CA1327983C Device for cyclically rearranging a stack of sheets
02/1994
02/01/1994US5283603 Slide magazine
01/1994
01/12/1994EP0577802A1 A device for cyclically rearranging a stack of sheets
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