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)
11/2000
11/28/2000CA2057012C 4:3 perf conversion sprocket
11/23/2000WO2000070880A1 Projection system with polymeric film optical components
11/23/2000WO2000070404A1 Display and light-transmitting plate for a display
11/23/2000WO2000070403A1 Color imaging systems and methods
11/23/2000WO2000070386A1 Reflective lcd projection system using wide-angle polarizing beam splitter
11/23/2000WO2000070376A1 Optical system for producing a modulated color image
11/23/2000WO2000069783A1 Glass microspheres for use in rear projection screen displays and methods
11/23/2000CA2387982A1 Reflective lcd projection system using wide-angle cartesian polarizing beam splitter
11/22/2000EP1053505A1 Front projection screen
11/22/2000EP1053489A2 Optical signaling or display device
11/22/2000CN2407225Y Brightness and focus adjustable lighting device for teaching demonstration
11/22/2000CN1274455A Video display device and method of adjustment thereof
11/22/2000CN1274093A Light scattering angle limiter and its method and projecting image displaying appts.
11/22/2000CN1058791C Stereo slide mount and masking-amount guide device
11/22/2000CN1058790C Projector with multiple lamp light source
11/21/2000US6151163 Holographic projection screen having a rear-facing fresnel lens
11/21/2000US6151162 Rear projection screen
11/21/2000US6149276 Image projector
11/16/2000WO2000069167A1 Focus position lock device for projection television
11/16/2000WO2000068736A1 Three-dimensional hybrid screen having multiple viewing sections
11/16/2000WO2000068723A1 Projection television lens assembly
11/16/2000WO2000068712A1 High contrast screen material
11/16/2000DE19930753A1 Projection of image onto inclined surface
11/15/2000EP1052856A2 Reflection type color projector
11/15/2000EP1051860A1 Projection televisions with mirrors incident on holographic screens
11/15/2000EP1051859A1 Direct projection television with three dimensional holographic screen
11/15/2000EP1051858A1 Projection television with holographic screen and partly occluded projection lens
11/15/2000EP1051857A1 Projection televisions with holographic screens having stacked elements
11/15/2000EP1051856A1 Projection television with three-dimensional holographic screen and centered blue crt for balanced crt drive
11/15/2000EP1051855A1 Projection televisions with holographic screens for high off axis exclusion
11/15/2000CN2406269Y Light-keeping-off projection film for teaching
11/15/2000CN1273370A Reflection type projector
11/15/2000CN1058598C 光学投影系统 Optical projection system
11/14/2000US6147801 Rear projection screen with reduced speckle
11/14/2000US6147720 Two lamp, single light valve projection system
11/09/2000WO2000067071A1 Projection screen
11/09/2000WO2000067059A1 Projection lenses having reduced lateral color for use with pixelized panels
11/08/2000EP1049959A1 Augmented imaging using a silhouette to improve contrast
11/08/2000EP1049899A1 A light transmitting and dispersing filter having low reflectance
11/07/2000US6144496 Lenticular lens sheet, method of manufacturing the same, and transmission type screen
11/07/2000US6144491 Reflection-type projection screen
11/07/2000US6144490 Video display system having multiple panel screen assembly
11/07/2000US6144440 Color and motion based depth effects
11/07/2000US6142634 Projector
11/07/2000US6142632 Film position detection apparatus and method and image film projection apparatus
11/07/2000CA2141238C Optical system for rear projection picture display apparatus
11/02/2000WO2000065885A1 Feeding device for discharge lamp
11/02/2000WO2000065845A1 Color projection system
11/02/2000WO2000065561A1 Display desk
11/02/2000WO2000065401A1 Mechanically oscillated projection display
11/02/2000WO2000065399A2 Projection system
11/02/2000EP1048967A2 Compact, light-weight optical imaging system and method of making same
11/02/2000EP1047976A1 Projection system analyser and method
11/01/2000CN1058092C Bear projection screen
10/2000
10/31/2000US6141150 Dichroic prism, prism unit, and projection display apparatus
10/31/2000US6141000 Projection display system with touch sensing on screen, computer assisted alignment correction and network conferencing
10/31/2000US6139157 Illuminating apparatus and projecting apparatus
10/31/2000US6139156 Light source device and projection type display apparatus
10/31/2000US6139154 Projector
10/25/2000EP1046949A1 Projection system with curved projection walls using a polarizing device
10/25/2000EP1046932A2 Lens device for forming a magnified erect image
10/25/2000EP1046306A1 Method for color correction of field sequential light valve projectors with line-at-a-time addressing
10/25/2000EP1046304A2 Dichroic filters with low angle sensitivity and projection system incorporating same
10/25/2000EP1046080A1 Projection system with projector and deflection mirror
10/25/2000EP0720802B1 Single panel color image projection system having improved scanning
10/25/2000CN1057847C Apparatus for adjusting projection angle of projection system
10/24/2000US6137629 Projection screen system with circuitry for multi-stage installation
10/24/2000US6137548 Mounting structure of protecting panel for an image device and mounting method thereof
10/24/2000US6135600 Projector
10/24/2000US6135598 Optical device with light path changing element and projection-type display apparatus
10/19/2000WO2000062125A1 Dual-screen theater
10/19/2000WO2000062114A1 Method and device for reducing the formation of speckle on a projection screen
10/17/2000US6132049 Picture display apparatus and cooling apparatus for optical apparatus
10/17/2000CA2305484A1 Projection system
10/12/2000WO2000060643A1 Method for cooling an arc lamp
10/12/2000WO2000060413A1 Rear projection screen
10/12/2000WO2000060412A1 Display screen and method of manufacture therefor
10/12/2000WO2000060397A2 Light scanner with cylindrical lenses
10/12/2000WO2000060396A1 Dual lamp illumination system and projection system incorporating same
10/12/2000CA2369033A1 Display screen and method of manufacture therefor
10/12/2000CA2268634A1 An apparatus and method for managing a condition in a film projection system
10/11/2000EP1043620A2 Projection display system using polarized light
10/11/2000EP1043619A2 Image display apparatus
10/11/2000CN1269892A Rear projection display
10/11/2000CN1269518A Projection type displaying apparatus and prism used in said apparatus
10/10/2000US6130777 Lenticular lens sheet with both a base sheet having lenticular elements and a surface diffusing part having elements of elementary shape smaller than lenticular elements
10/10/2000US6129553 Film image display system
10/05/2000WO2000058932A1 Wide-field-of-view projection display
10/05/2000WO2000058786A1 Light source device, adjusting device therefor and production method therefor, and illuminating device and projection type display device provided with light source device
10/05/2000WO2000058772A1 Spectral light splitting and recombination device, and method for modulating light in a spectrally selective manner
10/05/2000WO2000058762A1 Lens array unit, method of producing lens array unit and optical device using lens array unit
10/04/2000EP1041828A2 Device for mounting a liquid crystal display in a projector
10/04/2000EP1041431A2 Image projector with cooling means
10/03/2000US6128130 Visually seamless projection screen and methods of making same
10/03/2000US6128125 Digital projector with an optical system for compensating the optical path length difference
10/03/2000US6126288 Programmable light beam shape altering device using programmable micromirrors
09/2000
09/28/2000WO2000057245A1 Projection system and projector
09/28/2000WO2000057218A1 Projection system
09/28/2000WO2000057214A1 Reflective projection screen and projection system
09/28/2000WO2000028370A9 Microdisplay viewer
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