Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465)
12/2004
12/28/2004US6836348 Image display device and holographic screen
12/28/2004US6836298 Apparatus and method for correcting distortion of image and image displayer using the same
12/28/2004US6836293 Image processing system and method, and image display system
12/28/2004US6835009 Shutter apparatus
12/28/2004US6834968 Teleprompter with directional screen
12/28/2004US6834967 Optical system for projection display
12/28/2004US6834966 Passageway with virtual reality environment
12/28/2004US6834965 Self-configurable ad-hoc projector cluster
12/28/2004US6834964 Liquid crystal projector
12/28/2004US6834963 Illumination system and projector adopting the same
12/28/2004US6834962 Projection system
12/25/2004WO2004102267A2 Precision optical system for display panel
12/25/2004CA2525254A1 Precision optical system for display panel
12/25/2004CA2467980A1 A display apparatus
12/23/2004WO2004112387A1 Projector with tilt-angle detecting capability
12/23/2004WO2004112386A1 Device for simultaneously projecting images and illuminating the ambient
12/23/2004WO2004111915A2 Micro-lens array based light transmission screen
12/23/2004WO2004111769A2 Protector device user interface system
12/23/2004WO2004111724A1 Projection type display device
12/23/2004WO2004111723A2 Image projector with means for changing direction and/or magnification of image beam
12/23/2004WO2004111706A2 Micro-lens array with precisely aligned aperture mask and methods of producing same
12/23/2004WO2004111699A1 Objective for a projection or backprojection apparatus
12/23/2004WO2004102267A3 Precision optical system for display panel
12/23/2004WO2004068836A3 Camcorder with level sensor
12/23/2004US20040258342 Polarization recovery system for projection displays
12/23/2004US20040257813 Illumination device and projector equipping the same
12/23/2004US20040257812 Light source device, method and device for manufacturing the same, and projector
12/23/2004US20040257666 Projection lens and projection image display apparatus
12/23/2004US20040257664 LIuminating optical device in image display device and image display device
12/23/2004US20040257655 Polarization recovery system for projection displays
12/23/2004US20040257654 Polarization recovery system for projection displays
12/23/2004US20040257653 Polarization recovery system for projection displays
12/23/2004US20040257652 Flat valley fresnel lens for a display device
12/23/2004US20040257651 Transmissive screen and rear projection type image display apparatus using same
12/23/2004US20040257650 Rear projection screen and method for the production thereof
12/23/2004US20040257649 Combination window and video display with dual sided viewability
12/23/2004US20040257644 Projection zoom lens and optical projector provided with the same
12/23/2004US20040257542 Electric apparatus
12/23/2004US20040257541 Color-filter array and manufacturing method therefor, display device, and projection display device
12/23/2004US20040257540 Single or multi-projector for arbitrary surfaces without calibration nor reconstruction
12/23/2004US20040257539 Projection television device and screen
12/23/2004US20040257538 Liquid crystal projector
12/23/2004US20040257537 Single-path color video projection systems employing corrective optics
12/23/2004US20040257536 Reduced form factor projection system
12/23/2004US20040257535 Projector apparatus
12/23/2004US20040257534 Projecting system with an image-capturing device
12/23/2004US20040257533 Split image optical display
12/23/2004US20040257532 Passageway with virtual reality environment
12/23/2004US20040257491 Cooling device and optical device and projector having the cooling device
12/23/2004US20040257473 Display device having an image pickup function and a two-way communication system
12/23/2004US20040257366 System for correcting approximate expressions used in geometrical correction of projected images
12/23/2004DE202004015008U1 Projector screen is assembled from sections of profiled rods incorporating a T-groove for sliding anchorage buttons
12/23/2004CA2527854A1 Micro-lens array based light transmission screen
12/23/2004CA2527602A1 Micro-lens array with precisely aligned aperture mask and methods of producing same
12/22/2004EP1489854A2 Method of driving a spatial light modulator and projector
12/22/2004EP1489853A2 Illuminator, projection display device, and method for driving the same
12/22/2004EP1489851A1 Projector apparatus
12/22/2004EP1489844A2 A display device having an image pickup fuction and a two-way communication system
12/22/2004EP1489458A1 Projection type image display unit
12/22/2004EP1489457A1 Projection type image display unit and lighting device
12/22/2004EP1488633A1 Rear projection system
12/22/2004EP0895118B1 Rear projection screen
12/22/2004CN2665759Y Portable standard projection screen
12/22/2004CN2665758Y 背投式影像显示装置 Rear projection video display device
12/22/2004CN2665757Y Slide showing device
12/22/2004CN1556938A Display device and display method
12/22/2004CN1181390C Cooling air duct device of optical machine engine lighting system
12/22/2004CN1181389C Projective image display device
12/22/2004CN1181376C Optical system and image display using same
12/21/2004US6833966 Optical system, and optical apparatus
12/21/2004US6833953 Polarizer and optical device using the polarizer
12/21/2004US6833951 Seamless rear projection screen
12/21/2004US6832895 Light shield fan
12/21/2004US6832839 System for enhancing the quality of an image
12/21/2004US6832838 Projector having retractable housings
12/21/2004US6832837 Projection display device and air blowing device
12/21/2004US6832836 Optical unit and projection type projector apparatus using the same
12/16/2004WO2004110048A2 Injection-molded vent screens
12/16/2004WO2004110047A2 Elevator assembly for a projection device
12/16/2004WO2004109453A2 System and method for updating an image display device from a remote location
12/16/2004WO2004109391A1 Fresnel lens sheet, transmission screen and back projection display
12/16/2004WO2004109390A1 Laser projector
12/16/2004WO2004109389A1 Lighting device and projector having the same
12/16/2004WO2004109384A2 Image-rendering device
12/16/2004WO2004109341A2 Micro-lens array based light transmitting screen with tunable gain
12/16/2004US20040252835 Method for spoiling copies of a theatrical motion picture made using a video camera and recorder
12/16/2004US20040252512 Lamp polarization converting optical system, and image display system
12/16/2004US20040252373 Projection screen and projection system containing same
12/16/2004US20040252285 Projection device and lamp source system for such projection device
12/16/2004US20040252284 Image display system
12/16/2004US20040252283 Projector with tilt-angle detecting capability
12/16/2004US20040252282 Cooling structure for projection apparatus
12/16/2004US20040252281 Compact work light with high illumination uniformity
12/16/2004US20040252280 Digital projector automation
12/16/2004US20040252253 Electro-optical device encased in mounting case, projection display apparatus, and mounting case
12/16/2004US20040252228 Multiple-screen display and a method of controlling the same
12/16/2004DE10321020A1 Homogenous luminous field generating device for projection apparatus, has receptacle coupled to light integrator covering light incidence surface
12/16/2004DE10321019A1 Light source for use in digital projectors has a light integrator to produce homogeneous input to the optical system
12/16/2004CA2527850A1 Micro-lens array based light transmitting screen with tunable gain
12/15/2004EP1487202A1 Projection screen and projection system