| Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465) |
|---|
| 01/20/1988 | EP0253081A1 Light pattern generator |
| 01/20/1988 | CN87103353A Portable microfilm reader |
| 01/14/1988 | DE3622472A1 Overhead projector |
| 01/14/1988 | DE3622471A1 Overhead projector |
| 01/12/1988 | US4719547 Illumination system for overhead projector |
| 01/12/1988 | US4718618 Method for feeding film |
| 01/12/1988 | CA1231327A1 Apparatus for driving tapes |
| 01/07/1988 | EP0251222A1 Fade-over projector |
| 12/31/1987 | CN87207728U Optical pantograph |
| 12/29/1987 | US4716092 Transparency film assemblage and roller assembly for use therewith |
| 12/29/1987 | US4715705 Method for presentation of information of a plurality of sheetshaped information carriers and a device for the accomplishment of the method |
| 12/17/1987 | DE3619842A1 Mobile stand for mounting linen screens serving as the backdrop for photographs |
| 12/16/1987 | EP0249326A1 Apparatus of forming and projecting high precision optical images |
| 12/16/1987 | CN86210530U Micro-pearly paling gilding screen |
| 12/15/1987 | US4712869 Three dimensional stacked reproduction screen |
| 12/15/1987 | CA1230248A1 Projection lens system |
| 12/10/1987 | DE3638157C1 Folding arm for the projection head of working projectors |
| 12/10/1987 | DE3618993A1 Overhead projector |
| 12/09/1987 | EP0248477A2 Bulk diffuser for a projection screen |
| 12/09/1987 | CN86207023U High brightness slide projector |
| 12/03/1987 | WO1987007398A1 Projection screen |
| 12/03/1987 | WO1987007397A1 Optical viewing apparatus |
| 12/03/1987 | WO1987007394A1 Projectable passive liquid crystal display |
| 12/03/1987 | WO1987007173A1 Information video installation |
| 12/03/1987 | DE3617784A1 Projizierbare passive fluessigkeitskristallmatrix-anzeige in mehrschichtarchitektur mit wechselrahmen und absetzbaren filtern Filter projectable passive fluessigkeitskristallmatrix-display in multi-layer architecture with variable frame and removable |
| 12/01/1987 | US4710818 Method of reading image data |
| 12/01/1987 | US4710004 Image rotation system |
| 11/25/1987 | EP0246799A1 Digitally encoded alpha-numeric projector slide and systems for using the same |
| 11/25/1987 | EP0081519B1 Information storage and retrieval |
| 11/24/1987 | US4708464 Device for erasing unnecessary images for use in reader-printers |
| 11/24/1987 | US4708463 Device for enlarging and projecting microfilm image |
| 11/24/1987 | US4708447 Apparatus for the endless projection of a cinematographic film |
| 11/24/1987 | US4708435 Rear projection screen |
| 11/19/1987 | EP0147462B1 Slide projector and device for storing slides to be presented with the projector |
| 11/17/1987 | US4707092 Transparency transport system for overhead projector |
| 11/11/1987 | EP0245096A2 Apparatus for feeding the free end of a microfilm to a takeup reel and for winding the microfilm thereon |
| 11/11/1987 | EP0245095A2 Drive assembly for microfilm cartridges |
| 11/11/1987 | EP0245094A2 Drive-out assembly for microfilm |
| 11/11/1987 | EP0244853A1 Portable microfilm reader |
| 11/11/1987 | EP0156910B1 A novel liquid crystal light valve color projector |
| 11/11/1987 | CN86205238U Film pass measuring gauge of film projector |
| 11/10/1987 | US4705355 Motion picture screen assembly |
| 11/03/1987 | US4704019 Microfiche carrier |
| 10/27/1987 | USRE32528 Container for pictures having similar formats |
| 10/21/1987 | EP0241986A1 Transmission projection screen and method of manufacturing same |
| 10/20/1987 | US4701020 Rear projection screen with improved luminance uniformity |
| 10/20/1987 | US4701019 Selective application of light-absorbing particles to a lenticular screen |
| 10/13/1987 | US4699477 Projection lens system |
| 10/13/1987 | US4699372 Transport mechanism |
| 10/07/1987 | EP0240045A1 Compact rear-projection system with obliquely incident light beam |
| 10/06/1987 | US4698687 Temperature control of light modulating fluid in a light valve projection system |
| 10/06/1987 | US4697896 Electronic projector |
| 09/30/1987 | EP0239024A2 Projection display apparatus |
| 09/30/1987 | EP0239007A1 Liquid crystal projector |
| 09/30/1987 | EP0238900A1 Storage and manipulating device for slides |
| 09/30/1987 | EP0238583A1 Device for the projection of video images on a screen with daylight and/or artificial so-called make-up light |
| 09/29/1987 | US4696557 Collapsible overhead projector |
| 09/24/1987 | WO1987005711A1 Method and apparatus for displaying a three dimensional visual image |
| 09/22/1987 | US4695155 Reader-printer having an image rotation device |
| 09/16/1987 | CN87101754A Device for storing and handling slides |
| 09/15/1987 | US4693591 Microfilm and microfilm printer |
| 09/15/1987 | US4693557 Liquid crystal motion picture projector |
| 09/15/1987 | US4693373 Slide archival storage and retrieval system |
| 09/10/1987 | DE3607763A1 Device for storing and retrieving microfiches |
| 09/09/1987 | EP0235215A1 Transparent rear projection screen |
| 09/08/1987 | US4692359 Magnetic application of light-absorbing particles to a lenticular screen |
| 09/08/1987 | US4691826 Information recording carrier-holding frame |
| 09/02/1987 | EP0234059A1 Rear-projection screen |
| 09/02/1987 | EP0233882A1 Projection screen |
| 09/02/1987 | CN86208335U Marlti mechanism of film projector with no intermittent gear displacement in adjusting image amplitude |
| 08/26/1987 | EP0233662A1 Rear-projection system |
| 08/25/1987 | US4688911 Image mask for microfiche |
| 08/25/1987 | US4688910 Transparency presentation device |
| 08/19/1987 | EP0232563A1 Light-tight film reel |
| 08/18/1987 | US4688093 Transmission projection screen and method of manufacturing same |
| 08/18/1987 | US4687321 Mark detection apparatus for a micro-roll film |
| 08/18/1987 | US4687166 Swivel arm |
| 08/13/1987 | DE3610334C1 Film reading device |
| 08/12/1987 | EP0231554A1 Transmission projection screen and method of manufacturing same |
| 08/12/1987 | EP0231553A1 Transmission projection screen and method of manufacturing same |
| 08/12/1987 | CN87100493A Rear projection system |
| 08/12/1987 | CN86205959U Sustaining rack for screen |
| 08/12/1987 | CN86204182U Integral compound camera |
| 08/11/1987 | US4685785 Integral plastic frame for holding a film slide |
| 07/29/1987 | EP0230086A1 An improved process for exhibiting motion pictures |
| 07/29/1987 | CN86108423A Rear-projection screen |
| 07/28/1987 | US4682868 Thermal management system for an episcopic image projector |
| 07/28/1987 | US4682853 Transmission projection screen and method of manufacturing same |
| 07/21/1987 | US4681405 Method and lens for producing a wide angle image |
| 07/16/1987 | DE3600776A1 Optical projector |
| 07/16/1987 | DE3600775A1 Optical projector |
| 07/15/1987 | EP0228931A1 Curved screen, especially for motion picture projection |
| 07/15/1987 | EP0228681A2 Temperature control of light modulating fluid in a light valve projection system |
| 07/15/1987 | EP0228536A1 Container for slides and a method for automatically packaging the slides in the container |
| 07/14/1987 | US4679923 Protecting device for transparencies |
| 07/14/1987 | US4679900 Bulk diffuser for a projection television screen |
| 07/08/1987 | EP0227725A1 Combined apparatus for the projection and back-projection of slides contained in a rotary circular basket |
| 07/07/1987 | US4678525 Elastically expandable from one extruded plastic sheet plastic web |
| 07/07/1987 | US4678314 Image forming apparatus |
| 07/07/1987 | US4678018 Screen arrangement |