Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465) |
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04/22/1998 | CN2279630Y Zoomlens using for slide projector |
04/22/1998 | CN2279629Y 投影仪 Projector |
04/22/1998 | CN1179867A Picture display device |
04/21/1998 | US5742326 Focus adjustable image reading device for calculating a focus position of a source document |
04/21/1998 | US5741057 Device for displaying a projected image |
04/21/1998 | US5741056 Projecting head mechanism of a projecting machine |
04/16/1998 | WO1998015164A2 Optical projection apparatus and method |
04/15/1998 | EP0835477A2 Transparency viewing apparatus |
04/15/1998 | EP0835473A1 Fixed-focus triplet projection lens for overhead projectors |
04/14/1998 | US5739895 Film saving system |
04/14/1998 | US5739894 Method for exhibiting cinematic images photographed at two different frame rates |
04/14/1998 | US5738429 Portable projection display apparatus |
04/14/1998 | US5738428 For use with processed photographic film |
04/14/1998 | US5738427 Projector cooling system |
04/09/1998 | WO1998014829A1 Projection display device |
04/09/1998 | WO1998014828A2 Image projection system |
04/09/1998 | DE19641075A1 Headlamp light distribution presenting method for car |
04/08/1998 | EP0834766A2 Transmission-type screen |
04/08/1998 | EP0834765A1 Projection display apparatus |
04/08/1998 | EP0834764A2 Display adapter for overhead projector presentation |
04/08/1998 | CN2278232Y Strong water curtain generator |
04/08/1998 | CN1178586A Overhead projector with vibration control head |
04/08/1998 | CN1178432A Projection type liquid crystal display device |
04/07/1998 | US5737124 Polarizing splitter device and application to a system for illuminating a liquid-crystal screen |
04/02/1998 | WO1998014012A1 Angled color dispersement and recombination prism |
04/02/1998 | WO1998013726A1 Transparency holder and method of manufacture thereof |
04/02/1998 | WO1998013725A1 Projection display having light source |
04/02/1998 | CA2264024A1 Angled color dispersement and recombination prism |
04/01/1998 | EP0833548A1 Light source lamp unit, light source device, and projection display device |
04/01/1998 | EP0833192A1 Transparency holder and method of manufacturing thereof |
04/01/1998 | CN2277531Y Universal film interpretoscope |
03/31/1998 | US5734447 Compact back projection device having either a diffractive optical component or two optical mixing components |
03/26/1998 | WO1998012601A1 Projector |
03/25/1998 | CN2277087Y 动态演示投影仪 Dynamic presentation projector |
03/24/1998 | US5730517 Projector |
03/19/1998 | WO1998011275A1 High-brightness color liquid crystal display panel employing systemic light recycling |
03/19/1998 | DE19642617A1 Image or image sequence projection device |
03/18/1998 | EP0830032A2 White light enhanced colour field sequential projection system |
03/18/1998 | EP0830003A2 Apparatus for scanning slides |
03/18/1998 | EP0829750A2 Liquid crystal display projector |
03/18/1998 | EP0829739A1 Polarized light separator, method of manufacturing the same, and projection display |
03/17/1998 | US5729386 Light projection method and a projection type image display apparatus for performing the same |
03/17/1998 | US5727860 Interlaced image projection apparatus |
03/11/1998 | EP0828202A2 Method for producing transparent type hologram |
03/11/1998 | CN1175708A Speaker apparatus with picture projecting screen |
03/11/1998 | CN1175707A 投影型显示装置 A projection type display apparatus |
03/10/1998 | US5724775 Multi-pieced, portable projection dome and method of assembling the same |
03/05/1998 | WO1998009113A1 Illuminating apparatus and projection display |
03/04/1998 | EP0827014A2 Projector |
03/04/1998 | EP0827006A2 Projector apparatus with means for color separation/synthesis |
03/04/1998 | CN1175309A 3-D imaging system |
03/04/1998 | CN1175006A Backward projecting screen and making method and image display device |
03/03/1998 | US5724188 Lenticular lens sheet |
03/03/1998 | US5724182 Optical sheet and a light transmission screen using the same |
03/03/1998 | US5722769 Retractable projector |
03/03/1998 | US5722753 Lamp device of liquid-crystal projection apparatus |
03/03/1998 | US5722751 Stereo slide mount and masking-amount guide device |
03/03/1998 | US5722694 Transparent envelope with foldable pocket flap for information display |
03/02/1998 | CA2214059A1 Projector apparatus |
02/26/1998 | WO1998008141A1 Image projecting apparatus |
02/26/1998 | WO1998008140A1 Method for imparting both high-impact cinematic images and conventional cinematic images on the same strip of motion picture film |
02/26/1998 | WO1998008118A1 Polarized light separating/combining optical element, polarized light illuminating apparatus and projection-type display device |
02/25/1998 | EP0825597A1 Film scanner with servo system |
02/25/1998 | EP0825480A2 Reflection screen and front projection system |
02/25/1998 | EP0825473A2 Projector apparatus |
02/25/1998 | EP0825472A2 Projection-type display apparatus |
02/25/1998 | EP0825460A2 Lenticular lens sheet, display front plate and transmission type projection screen |
02/25/1998 | EP0824829A1 Projection device |
02/25/1998 | CN2275312Y Monitor with projection function |
02/25/1998 | CN1174333A Projector with projetion angle adjusting means |
02/24/1998 | US5721603 Illumination system and display device including such a system |
02/24/1998 | US5720539 Apparatus for detecting a projection angle in a projection system for displaying a picture |
02/24/1998 | US5720538 Stereo slide viewer and stereo slide mount |
02/19/1998 | WO1998006588A1 Recording assembly for ink-jet printing and transparencies |
02/17/1998 | US5719621 Film image reproducing apparatus |
02/12/1998 | DE19631945A1 LCD video signal projector for e.g. television or computer monitor |
02/11/1998 | EP0823813A2 Portable communication device |
02/11/1998 | CN1172964A Athermal LCD projection lens |
02/10/1998 | US5717529 Controllable horizon diaphragm for planetaria |
02/10/1998 | US5716118 Imaging optical system |
02/05/1998 | WO1998005161A1 Video projection apparatus and method of displaying a video image composed of pixels of a defined size |
02/05/1998 | CA2231152A1 Video projection device and method for showing a video picture-formed of picture points of defined magnitude |
02/04/1998 | EP0822723A2 Screen of Projection Display |
02/04/1998 | EP0822443A1 Rear projection screen |
02/04/1998 | CN1172273A 快门装置 Shutter device |
02/03/1998 | US5715083 Screen for liquid crystal projector |
02/03/1998 | US5715021 Methods and apparatus for image projection |
02/03/1998 | US5715019 Video signal processing apparatus for prompter |
02/03/1998 | US5713652 Slide projector mountable light valve display |
01/29/1998 | WO1998003898A1 Rear projection screen |
01/29/1998 | DE19705763A1 DC starter type discharge lamp like metal halide lamp used in projector apparatus |
01/27/1998 | US5712693 Light valve and display system with a substrate having particular relationship between its central thickness, display area diameter, and refractive index |
01/21/1998 | EP0819975A1 Transmission type screen and method of manufacturing thereof |
01/21/1998 | EP0819974A1 Transmission type screen and method of manufacturing thereof |
01/21/1998 | EP0819973A1 Fresnel lens sheet for rear projection screen |
01/21/1998 | EP0819966A2 Light projection device with lens array integrator |
01/21/1998 | EP0819259A1 High efficiency polarized display |
01/20/1998 | US5710616 Film position detecting device, film image display device and movie film recording device |
01/20/1998 | US5709445 Oblique projection optical system |
01/15/1998 | DE19627598A1 Transparency projector with two parallel glass panes |