| Patents for G03B 23 - Devices for changing pictures in viewing apparatus or projectors (977) |
|---|
| 01/12/1994 | CN2152691Y Decorative tv shaped photograph album |
| 01/12/1994 | CN1080731A Box type multi-function cartoon projector |
| 11/30/1993 | US5265726 Method and apparatus for positive positioning of slides |
| 11/18/1993 | DE4215019A1 Device for changing stack of photographic prints |
| 11/02/1993 | US5257447 Method for inserting a slide into a slide frame |
| 10/13/1993 | EP0564718A1 Photographic slide holder |
| 10/13/1993 | EP0564593A1 Random access module for slide projector. |
| 09/15/1993 | CN2142205Y Movable element combined device for changing pictures in projector |
| 09/08/1993 | EP0344251B1 Device for cyclic modification of the distribution of a pile of sheets |
| 09/07/1993 | US5243369 Film cassette |
| 08/17/1993 | US5237354 Slide projector |
| 08/03/1993 | US5233376 Film slide feeder |
| 07/29/1993 | DE4202063A1 Device for rearranging sheets |
| 07/28/1993 | CN1074763A A device for cyclically rearranging a stack of sheets |
| 07/26/1993 | WO1993015435A1 A device for cyclically rearranging a stack of sheets |
| 07/26/1993 | CA2106851A1 Device for cyclically rearranging a stack of sheets |
| 07/21/1993 | EP0551811A1 Remote-controlled slide projector |
| 07/21/1993 | EP0551810A1 Device for moving a slide into a slide gate and for receiving a lens mount |
| 07/20/1993 | US5229799 Collapsible slide carousel |
| 05/25/1993 | US5214460 Projector slide orientation rectification system |
| 05/19/1993 | EP0541792A1 A device for cyclically rearranging a stack of sheets |
| 05/12/1993 | CN1072024A Slide projector |
| 05/11/1993 | US5210556 Slide magazine |
| 04/29/1993 | DE3645232C2 Slide projector for circular magazine |
| 04/14/1993 | EP0536618A1 Slide projector |
| 04/08/1993 | DE3645231C2 Slide projector for circular magazine |
| 04/07/1993 | CN1070747A Slide magazine |
| 03/30/1993 | US5198846 Manual cassette system for overhead projection transparencies |
| 03/24/1993 | EP0438467B1 Slide projector |
| 03/17/1993 | CN1070054A Slide magazine |
| 03/16/1993 | US5193795 Device for the cyclic rearrangement of a pile of sheets |
| 03/10/1993 | EP0530386A1 Slide magazine |
| 03/10/1993 | EP0530385A1 Projector with fade-in/fade-out effect |
| 03/03/1993 | EP0529112A1 Slide magazine |
| 02/24/1993 | CN1069345A Device for cyclically rearranging stack of sheets |
| 02/18/1993 | DE4226895A1 Loading projector slides into projection magazine - incorporates projection to hold magazine in required position |
| 01/28/1993 | DE4124502A1 Projection system for slides - has two projectors which can be rotated about their vertical axes |
| 01/05/1993 | CA1312341C Apparatus for cyclic rearrangement of a sheet stack |
| 12/15/1992 | US5172279 Precision film input gate |
| 12/10/1992 | DE4118390A1 Removing photographic prints one at a time from stack - using oscillating lever which removes bottom print |
| 12/06/1992 | WO1992022010A1 A device for cyclically rearranging a stack of sheets |
| 12/06/1992 | CA2088769A1 Device for cyclically rearranging a stack of sheets |
| 11/03/1992 | CA1309736C Picture changer |
| 10/29/1992 | WO1992018898A1 Collapsible slide carousel |
| 10/21/1992 | CN2119671U Automatic artistic box for photograph |
| 10/13/1992 | CA1308557C Container for a pile of sheets |
| 09/08/1992 | CA1307109C Device for the cyclic rearrangement of a pile of rectangular or square sheets |
| 09/02/1992 | EP0500593A1 Slide projector |
| 09/02/1992 | CN1064183A Electronic camera without photosenstive film |
| 08/26/1992 | EP0315679B1 Method and apparatus for unloading slide projector trays |
| 08/26/1992 | CN2114184U New-type projector |
| 08/13/1992 | DE4101452A1 Slide projector with image fading device - has secondary slide support frame mounted above or below main support frame |
| 08/11/1992 | CA1306298C Digitally encoded alpha-numeric projector slide and systems for using the same |
| 08/04/1992 | CA1305881C Selective microfiche display equipment |
| 07/23/1992 | WO1992012458A1 Random access module for slide projector |
| 06/30/1992 | US5125734 Random access module for slide projector |
| 06/17/1992 | CN1017098B Improved stereoscopic viewer |
| 05/19/1992 | US5113613 Storage container for a pile of sheets |
| 05/07/1992 | DE4034489A1 Magazine for transparencies - is injection moulded with dividing, face and longitudinal walls and has external selective segment indicators |
| 04/28/1992 | US5107611 Device for the cyclic rearrangement of a pile of rectangular or square sheets |
| 04/28/1992 | CA1299403C Projector for photographic transparencies |
| 04/28/1992 | CA1299401C Guide means for random access retrieval apparatus |
| 04/14/1992 | US5103580 Device for the cyclic rearrangement of a pile of sheets |
| 04/07/1992 | US5101588 Container for accommodating a pile of pictures |
| 03/18/1992 | EP0475229A2 A container for a stack of sheets |
| 03/10/1992 | CA2050062A1 Container for a stack of sheets |
| 03/04/1992 | EP0472871A2 Method and device for the insertion of a transparency in a transparency frame |
| 03/01/1992 | CA2048266A1 Method and apparatus for inserting a slide into a slide frame |
| 02/26/1992 | EP0201596B1 Device for cyclically rearranging a pile of rectangular or square sheets |
| 01/15/1992 | EP0246253B1 Frame for a set of pictures |
| 12/31/1991 | US5077154 Projecting photographic images onto a viewing screen |
| 12/11/1991 | EP0460713A2 Improved stereoscopic viewer |
| 11/06/1991 | CN2088260U C-type electric film recoiler |
| 10/29/1991 | US5060408 Device for the cyclic rearrangement of a pile of sheets |
| 10/01/1991 | US5052787 Zoom finder |
| 10/01/1991 | CA1289790C Slide projector system |
| 09/25/1991 | EP0447403A1 Movable support for transparencies |
| 09/17/1991 | US5048209 Apparatus for cyclic rearrangement of a sheet stack |
| 09/03/1991 | US5044101 Device for the cyclic rearrangement of a pile of rectangular or square sheets |
| 08/20/1991 | CA1287908C Automated photograph slide storage and retrieval system |
| 08/14/1991 | EP0440727A1 Slide changing apparatus with slide jam protection |
| 07/31/1991 | EP0438467A1 Slide projector. |
| 07/31/1991 | EP0438430A1 Film cassette. |
| 07/24/1991 | EP0252106B1 Picture viewing device |
| 06/12/1991 | EP0431718A2 Slide projector |
| 05/15/1991 | CN2077136U Continuous single projector |
| 05/10/1991 | WO1991007691A1 Slide projector |
| 05/08/1991 | EP0426044A2 Slide projector for compartment magazine |
| 04/24/1991 | CN2075792U New structure slide projector |
| 04/11/1991 | DE4030496A1 Projector throwing images onto ceiling - is enclosed in outer housing in form of ceramic vase |
| 02/26/1991 | CA1280595C Device for the cyclic rearrangement of a pile of sheets |
| 02/19/1991 | US4993179 Device for the cyclic rearrangement of a pile of rectangular or square sheets |
| 02/19/1991 | US4993178 Device for the cyclic rearrangement of a pile of rectangular or square sheets |
| 01/22/1991 | US4986015 Device for the cyclic rearrangement of a pile of rectangular or square sheets |
| 12/25/1990 | US4979814 Viewing of developed roll of slide film |
| 12/04/1990 | US4974959 Slide projector |
| 11/20/1990 | USRE33443 Container for a stack of pictures |
| 11/20/1990 | US4970813 Device for the cyclic rearrangement of a pile of rectangular sheets |
| 11/15/1990 | DE4015350A1 Automatic slide projector with variable programme control - has exchangeable separate carriers for lenses, condensers and projection lamps |
| 11/07/1990 | CN2065329U Multi-functional domestic slide projector |