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)
09/1998
09/22/1998US5809624 Film stretching structure
09/22/1998CA2058519C Liquid crystal projector
09/17/1998WO1998035264A3 Holographic device for formation of light beams with predetermined spectral compositions and projector of video images containing such a device
09/16/1998EP0864908A2 Light valve apparatus and display system using the same
09/16/1998EP0864897A2 Light source device, illuminating system and image projecting apparatus
09/16/1998EP0843839A4 Reversing film projection system
09/15/1998US5808759 Light source apparatus
09/15/1998US5808704 Rear projection type image display apparatus
09/15/1998US5808669 Telecine with dual digitizers and multiple scanning beams
09/15/1998US5806971 Lamp device
09/15/1998US5806952 Projection type display device
09/11/1998WO1998039917A1 Liquid crystal display screen adapted for a slide projector
09/11/1998WO1998039687A1 Precision fragrance dispenser apparatus
09/11/1998WO1998039674A1 Movable three-dimensional display
09/11/1998CA2281034A1 Precision fragrance dispenser apparatus
09/09/1998CN2290871Y Near rail type multi-media projector
09/08/1998US5805723 Image processing apparatus with means for adjusting image data for divided areas
09/08/1998US5805358 UV-curable fresnel lens resin composition, fresnel lens, and back projection screen
09/08/1998US5805343 Optical element and a method for forming the same
09/08/1998US5805244 Liquid crystal projector using a monochromatic liquid crystal display
09/08/1998US5803569 Notebook computer with projection function
09/08/1998US5803568 Dual grooved Fresnel lens for overhead projection
09/08/1998US5803567 Protection-type display device
09/08/1998US5803565 Orienting projector
09/08/1998US5803449 Automatic manuscript sheet feeder
09/03/1998WO1998038536A1 Transmission holographic diffuser made and used to effect lateral color constancy in rear screen projection display systems
09/03/1998DE19751157A1 Projection system for medium format slides (i.e. 85 mm)
09/03/1998CA2252462A1 Transmission holographic diffuser made and used to effect lateral color constancy in rear screen projection display systems
09/02/1998EP0862082A1 Multiprojection system
09/02/1998EP0862081A1 Rear projection image display apparatus
09/02/1998CN2290068Y Table-type prospect composite device for camera
09/01/1998US5801793 Backlighting construction for use in computer-based display systems having direct and projection viewing modes of operation
09/01/1998US5801067 Method for recording and identifying integrated circuit chips and the like
09/01/1998US5800034 Toy film viewer and method of making same
09/01/1998US5800033 Image projecting apparatus
09/01/1998US5800032 Self correcting projector
09/01/1998CA2124466C Projector
08/1998
08/27/1998WO1998037455A1 Lighting device for a projector
08/27/1998WO1998037448A1 Illumination system
08/27/1998WO1998015164A3 Optical projection apparatus and method
08/27/1998CA2281517A1 Illumination device for a projector
08/26/1998EP0860737A1 Picture display device
08/25/1998US5798868 Projection lens
08/25/1998US5798866 Picture display device with two microlens arrays
08/25/1998US5798819 Projection-display apparatus and method providing improved brightness of projected color image
08/25/1998US5798805 Projection type display apparatus
08/25/1998CA2058802C System and technique for making holographic projection screens
08/20/1998WO1998036320A1 Device for representing static and moving images using a screen, screen and representation and production method
08/20/1998WO1998036319A1 Panelling systems
08/20/1998DE19747597A1 Vorrichtung zur Darstellung statischer und bewegter Bilder unter Verwendung einer Bildwand, Bildwand sowie Verfahren zur Darstellung und zur Herstellung Apparatus for displaying static and moving images using an image wall, screen walls, and method for representing and producing
08/20/1998DE19704741A1 Holografischer Bildschirm mit integrierter Speckleunterdrückung Holographic display screen with integrated Speckleunterdrückung
08/20/1998DE19704740A1 Holografischer Anzeigeschirm für Flugzeuge und Fahrzeuge Holographic display screen for aircraft and vehicles
08/19/1998EP0859522A2 Projection colour image display apparatus
08/19/1998EP0859270A1 Rear projection screen
08/19/1998CN1190715A High-effect lamp equipment for producing polarizing beam
08/18/1998US5796499 Transmission holographic diffuser made and used to effect lateral color constancy in rear screen projection display systems
08/18/1998US5796446 Television receiver or video monitor of the back-projection type
08/18/1998US5796443 Rear projection television utilizing two separate housings for easy transportation
08/18/1998US5795048 Over head projector apparatus and control method
08/13/1998WO1998035498A1 Video projection holographic screen, system and method
08/13/1998WO1998035264A2 Holographic device for formation of light beams with predetermined spectral compositions and projector of video images containing such a device
08/13/1998WO1998035260A1 Holographic display screen for airplanes and vehicles
08/13/1998WO1998035246A1 Holographic display screen with integrated speckle suppression
08/13/1998CA2279310A1 Video projection holographic screen, system and method
08/12/1998EP0857986A1 Optical device, polarized light illuminating apparatus and projection-type display
08/12/1998EP0857318A1 A light valve
08/11/1998US5793918 Movable 3d display
08/11/1998US5793527 High resolution viewing system
08/11/1998US5793470 For creating visual images of entertain viewers
08/11/1998US5793446 Projector utilizing compressed white signal
08/11/1998US5793053 Apparatus and method for positionally enhancing an image
08/11/1998US5791807 Screen retaining assembly
08/11/1998US5791754 Compact desktop projection display using three mirrors
08/06/1998WO1998034155A1 Light blocking transparency assembly
08/06/1998WO1998034135A1 Laser back-projection screen
08/06/1998DE19703592A1 Bildschirm für Laserrückprojektion Screen for rear projection laser
08/05/1998CN2287315Y Large instrument system for quarantine of plants and animals
08/04/1998US5790305 Projection system comprising a free form reflector and a free form lens
08/04/1998US5790086 3-D imaging system
08/04/1998US5789850 DC glow discharge lamp, and ignition apparatus, flood-light apparatus and projector apparatus for dc glow discharge lamp
08/04/1998US5789264 Method for manufacturing a thin film actuated mirror having a flat light reflecting surface
08/04/1998US5788355 Projector with projection angle adjusting means
08/04/1998US5788354 Projection type display
08/04/1998US5788352 Multiplexed multi-image source display writing system
08/04/1998US5787624 Large-format slide mount
07/1998
07/30/1998WO1998033329A1 Projection television using a holographic screen
07/30/1998WO1998033328A1 Projection televisions with holographic screens having center to edge variations
07/29/1998CN1189222A Fixed-focus triplet projection lens for overhead projectors
07/29/1998CN1188907A 投影式显示装置 A projection type display apparatus
07/28/1998US5786939 Illumination optical system
07/28/1998US5786933 Rear projector cabinet
07/28/1998US5786874 Liquid crystal projector with condenser lenses for blue and green panels only or the red panel condenser lens focal length being largest
07/28/1998US5786873 Efficient optical system for a high resolution projection display employing reflection light valves
07/23/1998WO1998032049A1 Rear projection screen
07/23/1998DE19701703A1 Microscope system for determining emission distribution of light emitting samples e.g. in semiconductor ICs
07/21/1998US5782548 Image projection system and a method of controlling a projected pointer
07/16/1998WO1998030935A1 Apparatus to facilitate storage and projection of transparencies
07/16/1998WO1998030924A1 Screen for front laser projection
07/16/1998WO1998025179A3 Optical projection systems and methods having an image relay adapter
07/16/1998DE19700162A1 Bildschirm für Laseraufprojektion Screen Laseraufprojektion
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