| Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465) |
|---|
| 04/14/1993 | EP0348499B1 System and method for producing a flicker-free video image |
| 04/13/1993 | US5202839 Process for the storing of drawing data by means of a cad film-card laser plotter, a microfilm card and a cad film-card laser for its implementation |
| 04/13/1993 | CA1316161C Light fixture providing normalized output |
| 04/07/1993 | CN2129423Y Protection hairdo-slecting device |
| 04/06/1993 | US5200854 Large-screen projection-type display |
| 04/06/1993 | US5200853 Board for screening and writing and a method for the production thereof |
| 04/06/1993 | US5200843 Polarized synthesization in projection type liquid crystal displays |
| 04/06/1993 | US5200603 Source distance adjustment arrangement for uniform illumination of projection surface |
| 04/06/1993 | CA1315589C Microform printer |
| 03/30/1993 | US5198846 Manual cassette system for overhead projection transparencies |
| 03/30/1993 | US5197644 Film cabinet with roller attachment and film transfer mechanisms |
| 03/30/1993 | CA1315143C Rolled microfilm printing system and method |
| 03/30/1993 | CA1315142C Microfiche printing system and method |
| 03/24/1993 | EP0533111A2 Photoprint retaining platen for digitizing image scanner |
| 03/24/1993 | EP0532906A1 Displaceable unrollable projection screen |
| 03/24/1993 | EP0359804B1 Screen simulator window |
| 03/23/1993 | US5196960 Lenticular lens sheet |
| 03/23/1993 | US5196926 Optical system for an lcd projector |
| 03/17/1993 | EP0438565A4 Wafer based active matrix |
| 03/17/1993 | CN2128393Y Overhead projector |
| 03/16/1993 | US5194958 Movie film to video conversion with correction of frame misalignment |
| 03/16/1993 | US5194884 Image projection system employing a cold cathode field-emission image source |
| 03/10/1993 | EP0530990A1 Toy projector |
| 03/10/1993 | EP0530385A1 Projector with fade-in/fade-out effect |
| 03/10/1993 | EP0530269A1 Improvements in or relating to microlens screens, photopolymerisable materials and artifacts utilising the same. |
| 03/09/1993 | US5193015 Cholesteric liquid crystal screen which reflects substantially all of the projected light |
| 03/09/1993 | US5192961 Reflecting illumination type projecting device |
| 03/04/1993 | DE4128059A1 LCD projector, partic. for slide or overhead projection. - comprises lamp, reflector and condenser constituting light source, picture stage, and lens |
| 03/03/1993 | CN2127791Y Special cartoon case for projectors |
| 03/02/1993 | US5191485 Prism for image rotation |
| 03/02/1993 | US5191479 Fresnel lens |
| 03/02/1993 | US5191474 Anamorphic illuminating optical system |
| 03/02/1993 | US5191472 Image display apparatus |
| 02/23/1993 | US5189451 Platter feed safety |
| 02/18/1993 | WO1993003413A1 Video mannequin |
| 02/18/1993 | DE4226895A1 Loading projector slides into projection magazine - incorporates projection to hold magazine in required position |
| 02/17/1993 | CN2127187Y Projection background compounding machine |
| 02/17/1993 | CN2127186Y X-ray picture watching lamp |
| 02/17/1993 | CN2127185Y Teaching slide show for children |
| 02/17/1993 | CN1069131A Slide projector for wall projection and groundglass plate projection |
| 02/16/1993 | US5187510 Liquid crystal display for projection systems |
| 02/16/1993 | US5187509 Illumination system for use in image projection apparatus |
| 02/16/1993 | US5187508 Film transport device |
| 02/16/1993 | US5186780 Melt spinning transparent polymeric strands, aligning and welding them adjacent to each other to form sheets |
| 02/16/1993 | US5186566 Baseball card storage and display device |
| 02/10/1993 | EP0526653A1 Projection-type liquid crystalline projector |
| 02/09/1993 | US5185677 Transmission type projection screen assembly |
| 02/09/1993 | US5185633 Image forming apparatus having single sensor for detecting mischucking of transfer paper and whether transfer paper is plain or transparent paper |
| 02/03/1993 | EP0525773A2 Polarizing screen and projector using the same |
| 02/03/1993 | CN2126743Y Adjustable brightness lamp for projection-type viewer |
| 02/02/1993 | US5184238 Apparatus for projecting light onto a surface having reflector means for improving the brightness of the image |
| 02/02/1993 | US5184224 Television projection screen having anti-static elements |
| 01/28/1993 | DE4124502A1 Projection system for slides - has two projectors which can be rotated about their vertical axes |
| 01/27/1993 | EP0524243A1 Stacked display panel construction and method of making same |
| 01/27/1993 | EP0524210A1 Projection systems. |
| 01/26/1993 | US5181367 Method and apparatus for inserting slide frames or film strips into the pockets of a film jacket |
| 01/26/1993 | US5181355 Frame support for paneled screens and like structures |
| 01/26/1993 | CA1313102C Film jacket for flat articles, particularly slide frames |
| 01/20/1993 | EP0523988A1 Image projector |
| 01/20/1993 | EP0523427A1 Casing for projection television receiver and screen mounting method |
| 01/20/1993 | EP0523261A1 Combined apparatus for the projection and back-projection of slides |
| 01/20/1993 | EP0523147A1 Displays having improved contrast. |
| 01/13/1993 | EP0522514A1 Housing for retractable projection screen |
| 01/13/1993 | EP0522299A1 Suspension rail for suspended projection screens or similar |
| 01/13/1993 | EP0522298A1 Projection screen with casing and retaining device |
| 01/12/1993 | US5179440 Rear projection facetted dome |
| 01/12/1993 | US5179399 Theatre in the round projection apparatus and method |
| 01/12/1993 | US5179398 Projector and image adjustment method |
| 01/07/1993 | DE4221481A1 Operating microfilm reading unit esp. for unperforated roll film - transporting film between spools in both directions with separate motors and measuring rotation angle and film transport length |
| 01/06/1993 | CN2126531Y Reflective projector for colour images or objects |
| 01/05/1993 | US5177615 Apparatus for recovering a film signal from a television video signal |
| 12/30/1992 | EP0520497A1 Thermal dye transfer receiver slide element |
| 12/30/1992 | EP0519909A1 Roll brake. |
| 12/29/1992 | US5175575 Segmented ellipsoidal projection system |
| 12/29/1992 | US5175573 Film transport device |
| 12/29/1992 | US5174517 Motion picture film shipping and handling system |
| 12/29/1992 | US5174516 Motion picture film shipping and handling unit |
| 12/29/1992 | CA1312059C Apparatus for feeding the free end of a microfilm to a takeup reel and for winding the microfilm thereon |
| 12/23/1992 | EP0519260A2 Automatic position correction by eccentric rotating prism axis |
| 12/23/1992 | CN2125843U Lamp for observing x-ray film |
| 12/22/1992 | US5173776 Apparatus and method for improving the signal-to-noise ratio of video display signals |
| 12/22/1992 | CA2045287A1 Real tridimensional image projection method |
| 12/22/1992 | CA1311633C Device for reproducing static or moving three-dimensional images, that is four-dimensional, without the use of coherent light |
| 12/16/1992 | EP0518362A1 Image display device using liquid-crystal panel, liquid-crystal TV projector, and conical optical-element array used therein |
| 12/15/1992 | US5172254 Projection-type liquid crystal display apparatus |
| 12/15/1992 | US5172145 Bidirectional, cassette-loaded changer mechanism for overhead transparencies |
| 12/15/1992 | US5172144 Image display control panel for overhead projectors |
| 12/13/1992 | WO1992022989A1 Recording and reproducing a 3-dimensional image |
| 12/10/1992 | WO1992022007A1 Projection type display device |
| 12/09/1992 | EP0517517A1 Single light valve full-color projector display |
| 12/08/1992 | WO1992022008A1 Condenser lens system for overhead projector |
| 12/08/1992 | US5170287 Method for hiding scratches or imperfections on the surface of screens used in projection systems |
| 12/08/1992 | US5170196 Portable projector |
| 12/08/1992 | US5170194 Reflection type liquid crystal valve and projector having the same |
| 12/08/1992 | CA2108007A1 Condenser lens system for overhead projector |
| 12/01/1992 | US5168294 Display demonstration system for providing enlarged projected image of calculator display |
| 11/25/1992 | EP0515015A2 Method and apparatus for interacting with a computer generated projected image |
| 11/25/1992 | EP0514728A1 Device for an uniform illumination of a screen |
| 11/25/1992 | EP0514727A1 Procedure and device for reenlargement of microfilmed documents |
| 11/25/1992 | EP0393154B1 Film transport device |