Patents
Sitemap › G03 - Photography; Cinematography; Analogous techniques using waves other than optical waves; Electrography; Holography › G03B - Apparatus or arrangements for taking photographs or for projecting or viewing them; Apparatus or arrangements employing analogous techniques using waves other than optical waves; Accessories therefor › G03B 21 - Projectors or projection-type viewers; Accessories therefor
Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465)
07/1998
07/15/1998EP0793816B1 Projector with multiple lamp light source
07/15/1998CN1187886A Reversing film projection system
07/15/1998CN1187663A Educational image display device
07/15/1998CN1187634A Projection type display apparatus
07/14/1998US5781344 Light transmitting and dispersing filter having low reflectance
07/14/1998US5781251 Method and apparatus for optical scanning for single panel color projection video display
07/14/1998US5779336 Liquid crystal display with projecting function
07/09/1998WO1998029776A1 Projection televisions with three-dimensional holographic screens
07/08/1998EP0763306B1 High resolution subtractive color projection system
07/07/1998US5777720 Method of calibrating an observer tracking display and observer tracking display
07/07/1998US5777713 Liquid crystal display unit with spacers form in the light shielding regions
07/07/1998US5777695 Lighting device transformed in the direction of polarization and projection type image display device using the same
07/07/1998US5775634 Latching recyclable motion picture reel
07/01/1998EP0851293A1 Film slides having data windows
07/01/1998EP0851280A2 Annotation displaying projector
07/01/1998EP0851279A2 Method and apparatus for preparing photographic film units having image frame associated encoded information
07/01/1998EP0851278A1 Film slides having encoded data and methods for preparing film slides
07/01/1998EP0851277A2 Orienting Projector
07/01/1998EP0851276A2 Projector with means for masking the edges of the projection window of a slide
07/01/1998EP0851263A2 Light shutter projector with a fluorescent screen
07/01/1998EP0850428A1 Projection system
06/1998
06/30/1998US5772301 Display combined with slide projector and liquid crystal projector
06/30/1998US5772300 Liquid crystal panel and liquid crystal projector
06/30/1998US5772299 Optical apparatus for liquid crystal display projector
06/25/1998WO1998027453A1 Projection display
06/24/1998EP0849619A1 Optical element and uses thereof
06/23/1998US5771072 Video signal processing apparatus and synthesized-picture projecting apparatus for synthesizing a plurality of video signals
06/18/1998WO1998026210A1 Removable slide projector for a flashlight
06/18/1998DE19722404A1 Colour CRT projection system
06/17/1998EP0847670A1 Display screens incorporating loudspeakers
06/17/1998CN2284414Y Cone triangle wear-proof splicing floor screen
06/17/1998CN1185081A Projection system with fluroescent screen
06/17/1998CN1184949A Light shutter projector with fluorescent screen
06/16/1998US5768019 Reflective screen for a liquid crystal projector and method for producing the same
06/16/1998US5768014 Rear projection screen
06/11/1998WO1998025181A1 Optical structures for diffusing light
06/11/1998WO1998025179A2 Optical projection systems and methods having an image relay adapter
06/10/1998EP0846973A2 Light source device of liquid crystal projector
06/09/1998US5764319 Transmissive display device with microlenses and microprisms adjacent counter electrode
06/09/1998US5764310 Projection type image display apparatus
06/09/1998US5763056 Light blocking transparency assembly
06/09/1998US5762303 Tilting angle adjusting device for use in a projector
06/04/1998WO1998023992A1 Illumination system and image projection device provided with such an illumination system
06/04/1998WO1998023978A1 Method of producing lens sheet and projection screen
06/02/1998US5760965 Wide-projection angle liquid crystal projection lens system
06/02/1998US5760955 Rear projection screen with reduced speckle
06/02/1998US5760954 Reflective type screen for a polarizing projector
06/02/1998US5758956 High intensity lighting projectors
06/02/1998US5758940 Liquid crystal Projection display
06/02/1998US5758939 Information searching apparatus
05/1998
05/27/1998EP0844793A1 High contrast, compact, full-color polarizer and color beam splitter
05/27/1998EP0843839A1 Reversing film projection system
05/27/1998CN2282695Y Light-source apparatus for reading projecting picture
05/27/1998CN1182889A Stereo slide viewer and stereo slide mount
05/26/1998US5757341 Color liquid crystal projection display systems
05/26/1998US5755504 Screen device for use with image projecting apparatus
05/26/1998US5755500 Image reading apparatus
05/26/1998CA2222427A1 Fabricable rear projection-type multiscreen fixing device
05/22/1998WO1998021622A1 Flat display screen
05/20/1998EP0843487A1 Projector apparatus
05/20/1998EP0843203A1 Optical diffusers obtained by melt mixing of incompatible materials
05/20/1998CN2282209Y View mark drive structure for sight health instrument
05/19/1998US5754277 Image forming method and apparatus with detection of focus state over plural areas in an image
05/19/1998US5754276 Exposure control for a reader-printer projection apparatus
05/19/1998US5752758 Method for pre-compensating an asymmetrical picture in a projection system for displaying a picture
05/14/1998WO1998020384A1 Compact lighting device
05/14/1998DE19646943A1 Flachbildschirm Flat screen TV
05/13/1998EP0841685A2 High efficiency lamp apparatus for producing a beam of polarized light
05/13/1998EP0840905A1 Optical projector
05/13/1998CN2281553Y Porjecting advertisement apparatus
05/13/1998CN1181860A Method and appts. for optical scanning for single panel colour projection video display
05/13/1998CN1181815A Polarized light separator, method of mfg. the same, and projection display
05/13/1998CN1181509A Lenticular lens sheet, display front plate and transmission type projection screen
05/12/1998US5751478 Rear-projection screen
05/12/1998US5751399 Film slides having data windows
05/12/1998US5751388 High efficiency polarized display
05/12/1998US5751387 Fresnel lens and liquid crystal display device
05/12/1998US5751261 Control system for display panels
05/12/1998US5749642 Illuminating optical system and projector utilizing the same
05/12/1998US5749641 Optical projector
05/07/1998WO1998019213A1 Back projection display
05/07/1998WO1998019211A1 Projection display and illuminating optical system therefor
05/07/1998WO1998019206A1 Projection display
05/06/1998EP0840523A2 Liquid crystal projector
05/06/1998EP0839347A1 Position determination of a laser pointer in a projection display system
05/06/1998CN2280931Y High-brightness film-television projection screen
05/06/1998CN1181147A Picture display device with two microlens arrays
05/05/1998US5748376 High optical throughput liquid-crystal projection display system
05/05/1998US5748374 Picture display device
05/05/1998US5748264 Distortion Corrected display
05/05/1998US5748183 Information processing apparatus
04/1998
04/30/1998WO1998018048A1 Precision fragrance dispenser apparatus
04/29/1998CN2280303Y Multi-function apparatus for projecting reading materials
04/28/1998US5745288 Transmission type projection screen
04/28/1998US5743615 Film slides having encoded data and methods for preparing film slides
04/28/1998US5743613 Video projector with interior illuminating mechanism
04/28/1998US5743610 Projection-type display apparatus
04/28/1998US5743609 Method and apparatus for preparing photographic film units having image frame associated encoded information
04/22/1998EP0837351A2 Projection display apparatus
04/22/1998EP0741908B1 Metal halide gas discharge lamp for projection purposes
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