Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465)
02/2001
02/06/2001US6183092 Laser projection apparatus with liquid-crystal light valves and scanning reading beam
02/06/2001US6183091 Color imaging systems and methods
02/06/2001US6183090 Projection type image display apparatus
02/01/2001WO2001007942A1 Method, device and laser system for producing screen holograms, and screen hologram
01/2001
01/31/2001EP1073280A2 Projection apparatus
01/31/2001EP1072944A1 Lenticular lens sheet
01/31/2001EP1071975A2 Optical imaging apparatus
01/31/2001CN1282000A Projection display device
01/31/2001CN1281998A Polarized light changeable device for projected display unit
01/31/2001CN1281995A Projector
01/31/2001CN1061505C Reflecting image projection screen and image projection system comprising such screen
01/31/2001CN1061438C Device for testing projection angle of image display projection system
01/30/2001US6181388 Projector of a reflection type
01/30/2001US6181386 Projecting images
01/30/2001US6179426 Integrated front projection system
01/30/2001US6179425 Image projection system
01/30/2001US6179424 Optical system for a projector
01/30/2001US6179423 Projection-type image display system
01/25/2001WO2001006796A1 Image projection system
01/25/2001WO2001006316A1 Apparatus and method for programming a color light projector system
01/25/2001WO2001006311A1 Method and device for white balance adjustment
01/25/2001WO2001006299A1 Compound lens arrangement for use in lens arrays
01/25/2001WO2001006282A1 Single-lens stereoscopic light-valves and apparatuses
01/25/2001CA2379785A1 Compound lens arrangement for use in lens arrays
01/24/2001EP1071292A2 Color projector
01/24/2001EP1071291A2 Projector
01/24/2001EP1070984A1 Projector and display both comprising optical element for diffraction and scattering
01/24/2001EP1070422A2 Compact projector
01/24/2001EP1070278A1 Film supply and take-up apparatus
01/24/2001CN1281209A 'Photoelectric virtual blackboard' system based on large-screen display
01/23/2001US6178043 Multiview three-dimensional image display system
01/23/2001US6176584 Curved surface, real image dome display system, using laser-based rear projection
01/23/2001US6176583 Polarization conversion dichroic mirror and a liquid crystal projector
01/18/2001WO2001004701A1 Rear projection screen using internal reflection and its production
01/18/2001WO2001004665A2 3-dimensional imaging screen for multi-viewer
01/18/2001WO2000065399A3 Projection system
01/17/2001EP1069594A2 DC arc Lamp
01/17/2001EP1068558A1 Light dispersing film and method of manufacture
01/17/2001EP1068067A1 Method of making replicas while preserving master
01/17/2001CN1280746A Light separation and recombination system for off-axis projector
01/11/2001WO2001002882A1 Lenticular lens sheet for projection screen
01/11/2001WO2001002877A2 Light sampling devices and projector system including same
01/11/2001DE19930232A1 Optical gate for scanning film material has toothed roller conical running surface with largest diameter at bounding roller edge so roller's maximum peripheral speed is at this point.
01/11/2001CA2341395A1 Light sampling devices and projector system including same
01/10/2001EP1066725A1 Image representation system
01/10/2001EP1066547A1 Mechanical convergence fixture apparatus and method
01/10/2001CN1279801A Eletro-optical display apparatus
01/09/2001US6172814 Plano lens, rear-projection type projector screen employing the same, and rear-projection type video display apparatus
01/09/2001US6172734 Shutter
01/09/2001US6170954 Overhead projector of the under mirror type
01/04/2001WO2001001703A1 Projection display device comprising an integrator device provided with a tunnel prism
01/04/2001WO2001001195A1 Optical systems for projection displays
01/04/2001WO2001001194A1 Device for displacing 3-dimensional objects in the projection area of a projection system
01/04/2001CA2377687A1 Device for displacing 3-dimensional objects in the projection area of a projection system
01/03/2001EP1065560A1 Method and apparatus for the projection of images under acute angles
01/03/2001EP1065559A1 Rear projection display device
01/03/2001EP1064585A2 Protection device for transparencies for overhead projectors
01/02/2001US6169636 Focus corrector for zoom projection lenses used with pixelized panels
01/02/2001US6169633 Lenticular lens sheet and transmission type screen using the same
12/2000
12/28/2000WO2000079341A1 Rear projection screen with means for diverging light asymmetrically
12/28/2000WO2000079340A1 Projection screen with lenticular lenses of different optical power
12/28/2000WO2000079325A1 Head-mounted display
12/28/2000CA2375465A1 Rear projection screen with means for diverging light asymmetrically
12/28/2000CA2375417A1 Projection screen with lenticular lenses of different optical power
12/27/2000EP1062808A1 Portable visual display device with a collapsible presentation screen
12/27/2000CN1278072A Color projecting apparatus
12/26/2000US6164780 Image display apparatus
12/21/2000WO2000077572A1 Method and apparatus for image projection, and apparatus for controlling image projection
12/21/2000WO2000076742A1 Optical sheet
12/20/2000EP1061408A1 Illuminator and projection display
12/19/2000US6163402 Rear projection screen
12/19/2000US6163349 Projection-type color liquid crystal display device having non overlapping pixel images
12/19/2000CA2228951C Stereo slide mount
12/14/2000WO2000076223A1 Color projection display system with reduced hue variation
12/14/2000WO2000075912A2 Large display apparatus of modular construction
12/14/2000WO2000075724A1 Light-shielding plate for projection video apparatus
12/14/2000CA2338597A1 Large display apparatus of modular construction
12/12/2000US6159398 Method of making replicas while preserving master
12/07/2000WO2000074392A1 Device for projecting a colour image
12/07/2000WO2000073850A1 Image device
12/07/2000WO2000073825A1 System and method for stereoscopic imaging and holographic screen
12/07/2000DE19924167A1 Verfahren zur Aufzeichnung und Wiedergabe von Farbbildern mit gesteigerter Wiedergabetreue A method for recording and reproducing color images with increased fidelity
12/06/2000EP1058461A2 Colour image projector
12/06/2000EP1058158A2 Color image display system
12/06/2000EP1057347A1 Device for the projection of a video image
12/06/2000CN1275721A Optical system and projection display device
12/06/2000CN1059277C Holographic projecting screen
12/05/2000US6157491 Lenticular lens sheet
12/05/2000US6157420 Projection-type image display apparatus
12/05/2000US6155687 Light guide for use in a color wheel display synchronization apparatus and method
12/05/2000US6155686 Projection display device
12/05/2000CA2115216C Film sheet
11/2000
11/30/2000WO2000072299A1 Projection display
11/30/2000WO2000072089A1 Camera system and display device
11/30/2000WO2000035200A9 Image correction method to compensate for point of view image distortion
11/30/2000DE19917453C1 Einrichtung zur Verbesserung der Darstellungseigenschaften eines Projektionssystems an einer gekrümmten Projektionswand Means to improve the presentation properties of a projection system of a curved projection wall
11/29/2000EP1055152A1 Method and device for wide-angle projection
11/29/2000EP1055151A2 Rear projection screen and methods of manufacture thereof
11/29/2000EP1055147A1 Image projection system with improved contrast
11/28/2000US6152566 Projector for modulating polarized luminous flux