Patents for G03B 23 - Devices for changing pictures in viewing apparatus or projectors (977)
09/2004
09/29/2004CN2645105Y Stage back cloth projection magic lantern
09/29/2004CN1533148A Clamping mechanism for automatic paper feeder
09/29/2004CN1533147A Automatic paper feeder
09/22/2004CN1531319A Automatic paper feeder
09/16/2004US20040178191 Method for manufacturing magnetic tape and magnetic tape
09/02/2004DE10316775A1 Verfahren und Vorrichtung für eine digitale Bildanzeige Method and apparatus for a digital image display
08/2004
08/17/2004US6776490 Dual image slide and/or video projector
06/2004
06/30/2004EP1434084A2 Slide mount supply device preventing damage to a bulged slide portion
06/17/2004US20040113007 Hand winch handle with release feature that permits cable to wind off of winch drum without handle rotation
06/10/2004WO2004049060A1 Multimedia presentation apparatus and method
06/10/2004CA2502773A1 Multimedia presentation apparatus and method
05/2004
05/12/2004CN2615704Y Slide magazine
04/2004
04/06/2004US6715890 Adjustable height apparatus of a horizontal projector
03/2004
03/03/2004EP1393177A1 Diagnostic systems and methods for predictive condition monitoring
02/2004
02/05/2004US20040021836 Projector
02/03/2004US6685149 Adjustable support stand
01/2004
01/22/2004US20040012576 Digital image display method and system
01/08/2004US20040004146 Recording tape cartridge and method of manufacturing said cartridge
12/2003
12/18/2003WO2003104893A1 Image projector
12/03/2003EP1367433A2 Projector
09/2003
09/17/2003EP1322999B1 Projector
09/17/2003CN1442750A Video picture filmslide
08/2003
08/12/2003US6604831 Elevatable display apparatus
07/2003
07/24/2003US20030139908 Diagnostic systems and methods for predictive condition monitoring
07/24/2003US20030137638 Dual image slide and/or video projector
07/23/2003EP0839347B1 Position determination of a laser pointer in a projection display system
07/02/2003EP1322999A1 Projector
05/2003
05/28/2003EP1314066A1 Transparent image projector and image support
05/22/2003WO2002075452A3 Picture changer with recording and playback capability
05/21/2003CN2552045Y Automatic reverse disk
05/14/2003EP1310956A2 Wide tape holding frame
03/2003
03/12/2003EP1105874A4 Large capacity, high performance tape cartridge
01/2003
01/08/2003CN2530279Y Multifunctional remote controlled audio-visual teaching machine
12/2002
12/31/2002US6499848 Slide feeder, slide system and slide feeding method
12/18/2002EP1267203A2 Slide scanner with means for separating the slides from a stack
12/05/2002US20020183971 Diagnostic systems and methods for predictive condition monitoring
11/2002
11/20/2002EP1257871A1 Dual image slide and/or video projector
11/19/2002US6481853 Image projector forming rotating image
10/2002
10/31/2002WO2002086726A1 Diagnostic systems and methods for predictive condition monitoring
10/31/2002US20020158129 Picture changer with recording and playback capability
10/31/2002CA2443579A1 Diagnostic systems and methods for predictive condition monitoring
09/2002
09/26/2002WO2002075452A2 Picture changer with recording and playback capability
09/17/2002US6450434 Wide tape holding frame
09/12/2002WO2002071149A1 Projector
08/2002
08/27/2002US6439727 Barrier member for a telescope
08/22/2002US20020113951 Adjustable height apparatus of a horizontal projector
06/2002
06/13/2002US20020071100 Image projector forming rotating image
05/2002
05/23/2002US20020060259 Film cassette
05/21/2002US6390402 Tape cartridge having lockout features
03/2002
03/27/2002EP1191388A2 Slide scanner with means for separating the slides from a stack
03/12/2002US6354527 Tape cartridge having lockout rails
02/2002
02/20/2002EP0673516B1 An apparatus for withdrawing an individual sheet from a sheet stack
12/2001
12/18/2001US6331848 Projection display system
11/2001
11/06/2001US6313870 Modular photographic film digitizing apparatus
09/2001
09/19/2001EP1134614A1 Packaging case for photographic prints
09/04/2001US6283598 Method of and apparatus for displaying an image
08/2001
08/30/2001US20010017329 Tape cartridge having lockout features
08/02/2001US20010010577 Slide feeder, slide system and slide feeding method
07/2001
07/12/2001WO2001050186A1 Dual image slide and/or video projector
06/2001
06/13/2001EP1105874A2 Large capacity, high performance tape cartridge
05/2001
05/09/2001CN2429849Y Slide casing of slide projector
03/2001
03/28/2001CN2425372Y Film-winding device for slide projector
02/2001
02/07/2001CN2418499Y Film-projection mechanism for video showing-table
12/2000
12/27/2000CN1059966C Apparatus for withdrawing an individual sheet from a sheet stack
07/2000
07/05/2000EP0695433B1 Electromotive device for exhibiting pictures
06/2000
06/28/2000CN1053981C Electromotive device for exhibiting pictures
06/27/2000US6079832 Annotation displaying projector
06/07/2000CN1053279C 投影仪 Projector
06/02/2000WO2000010163A3 Large capacity, high performance tape cartridge
05/2000
05/30/2000US6068207 Tape cartridge having roller sets with substantially equal geometries
05/25/2000WO2000028862A1 Changer frame
05/25/2000WO2000010162A3 Large capacity, high performance tape cartridge
05/10/2000CN2377548Y Photograph enlarger
04/2000
04/04/2000US6045079 Tape cartridge having a large door and pivotally mounted write protect arm
03/2000
03/07/2000US6032895 Collared hub pin for a tape cartridge
02/2000
02/24/2000WO2000010163A2 Large capacity, high performance tape cartridge
02/24/2000WO2000010162A2 Large capacity, high performance tape cartridge
02/16/2000CN1049507C 投影仪 Projector
11/1999
11/10/1999CN2348452Y Automatic picture-changing display machine
09/1999
09/15/1999CN2338776Y Remote control, line-by-line displaying projector
09/08/1999CN2337588Y Push-pull changing picture magazine
08/1999
08/31/1999US5944404 Defined orientation slide projector and slides
08/25/1999CN2335167Y Double-leas analogus controlled picture-changing slide projector
08/10/1999US5934777 Method for sequencing film image presentations and film image sequencer
07/1999
07/01/1999WO1999032305A1 Photograph case
06/1999
06/17/1999DE19753313A1 Slide projector
06/17/1999DE19753312A1 Slide projector for film strip
06/01/1999CA2159601C Electromotive device for exhibiting pictures
04/1999
04/01/1999DE19740868A1 Projection device with laser remote control
01/1999
01/20/1999EP0892302A1 Defined orientation slide projector and slides
12/1998
12/09/1998EP0883021A1 Method and apparatus for sequencing film image presentations
11/1998
11/10/1998US5833342 Device for the successive display of pictures in recreational machines
10/1998
10/01/1998DE19700040C1 Film transparency magazine e.g. for projector
09/1998
09/11/1998WO1998039917A1 Liquid crystal display screen adapted for a slide projector
09/08/1998US5803565 Orienting projector
09/01/1998US5800266 Device for the successive exposure of images in amusement machines
08/1998
08/20/1998DE19702599A1 Focal sharpness remote control method for multiple slide projector
07/1998
07/08/1998EP0852023A1 Slide film magazine
07/01/1998EP0851280A2 Annotation displaying projector
07/01/1998EP0851279A2 Method and apparatus for preparing photographic film units having image frame associated encoded information
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