Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465)
01/2002
01/24/2002US20020008791 Lighting system and projection type display unit using thereof
01/24/2002US20020008692 Electronic blackboard system
01/24/2002US20020008196 Projection-type image display apparatus
01/23/2002EP1175092A2 Projection panel assembly, projection apparatus, and production method thereof
01/23/2002CN1332390A Making proces sof antireflecting constituent for projecting screen
01/17/2002WO2002005553A2 Equipment and techniques for providing invisible seaming of multiple projection displays
01/17/2002WO2002005518A2 Cellular phone with built in optical projector for display of data
01/17/2002WO2002005038A2 Systems and methods for speckle reduction through bandwidth enhancement
01/17/2002WO2002004993A2 Micromechanical diffraction phase grating
01/17/2002WO2001050178A3 Reflective liquid-crystal-on-silicon projection engine architecture
01/17/2002US20020006255 Ultrathin optical panel and a method of making an ultrathin optical panel
01/17/2002US20020006248 Optical switching element, switching apparatus and image display apparatus using optical switching element
01/17/2002US20020005998 Image display apparatus having three-dimensionally decentered optical path
01/17/2002US20020005994 Retrofocus lens system and projection display apparatus
01/17/2002US20020005985 Projection pannel assembly, projection apparatus, and production method thereof
01/17/2002US20020005916 Projector
01/17/2002US20020005915 Integrated front projection system
01/17/2002US20020005829 Projection image display apparatus
01/17/2002DE10117289A1 Projektionsgerät Projection device
01/16/2002EP1171904A1 Method for cooling an arc lamp
01/16/2002EP1171793A1 Method and device for reducing the formation of speckle on a projection screen
01/16/2002CN1078036C Projection colour picture display device
01/15/2002US6339454 Projecting images
01/15/2002CA2177537C Projection type color image display device
01/10/2002WO2002003687A2 Equipment and techniques for increasing the dynamic range of a projection system
01/10/2002WO2002003136A1 Method for manufacturing transmission screen and transmission screen
01/10/2002WO2002003135A1 Front screen, rear screen and application product using them
01/10/2002WO2002003129A1 Image display element, and image display device
01/10/2002WO2001075505A3 Electronic device having a display
01/10/2002WO2001027962A3 Lamp apparatus and method for effectively utilizing light from an aperture lamp
01/10/2002US20020003668 Color combining optical element, color separation optical element, and projection type display apparatus using them
01/10/2002US20020003612 Producing colored light beams from white light
01/10/2002US20020003611 Method of manufacturing solid-state image pickup device
01/10/2002US20020003610 Projection type display system using a polarizing beam splitter
01/10/2002US20020003609 Optical projector using reflective liquid crystal panels
01/09/2002EP1170959A2 Illumination optical system and projector comprising the same
01/09/2002EP1170945A2 Illumination optical system and projector using the same
01/09/2002EP1169664A1 Image projection system
01/09/2002CN2470856Y Optical adjustment device of reflection-type liquid-crytal projector
01/09/2002CN2470855Y Projector for teaching
01/09/2002CN1330284A Electro-optical device and projector
01/09/2002CN1330275A Protecting screen for high constract projection television
01/08/2002US6337769 Image display system using blinds
01/08/2002US6337681 Projection display system with pressure sensing at screen, and computer assisted alignment implemented by applying pressure at displayed calibration marks
01/08/2002US6336724 Projector device capable of obtaining a high luminance without increasing output of light source
01/08/2002US6336616 Movable projection screen hanger with steadfast clips
01/03/2002WO2002001885A1 Reflective lcd projector
01/03/2002WO2002001884A2 High contrast polarizing optics for a color electro-optic display device
01/03/2002WO2002001289A1 Projector
01/03/2002WO2001069941A3 Improvements in dmd-based image display systems
01/03/2002US20020001142 Lens system, in particular projection lens system in semiconductor lithography
01/03/2002US20020001127 Image display apparatus
01/03/2002US20020001120 Optical modulation element and projection apparatus
01/03/2002US20020001067 Projection type picture display apparatus
01/03/2002US20020001066 Projection display apparatus
01/03/2002US20020001065 Projection display device
01/03/2002US20020001064 Dual-screen theater
01/03/2002US20020001030 Three-dimensional display apparatus and oblique projection optical system
01/02/2002EP1168850A2 Projector image display apparatus
01/02/2002EP1168848A2 Color display apparatus
01/02/2002EP1168057A1 An aspheric screen for visual display apparatus for a simulator or the like
01/02/2002EP1166257A1 Wide-field-of-view projection display
01/02/2002EP1166166A1 Spectral light splitting and recombination device, and method for modulating light in a spectrally selective manner
01/02/2002EP1166158A1 Reflective projection screen and projection system
01/02/2002CN1077293C Optical projection system with a varifocal projection lens system
01/01/2002US6335829 Projection screen for image reproduction devices which are positioned next to and/or above one another
01/01/2002US6335828 Micro-lens array sheet
01/01/2002US6335079 Refractive index, scratch resistance
01/01/2002US6334687 Stand type screen apparatus and projector using the same
01/01/2002US6334686 Display optical unit and display apparatus
01/01/2002US6334684 Built-in kitchen having projector, and cooking assisting image projecting system
12/2001
12/27/2001WO2001098815A2 Display device
12/27/2001US20010055159 Projection system
12/27/2001US20010055146 Method of manufacturing spatial light modulator and electronic device employing it
12/27/2001US20010055131 Optical element and apparatus
12/27/2001US20010055105 Image reading apparatus
12/27/2001US20010055098 Light pipe for a projector system
12/27/2001US20010055097 Color projection system
12/27/2001US20010055096 Display apparatus and pojection type display apparatus
12/27/2001US20010055081 Image display device
12/27/2001US20010054996 Color display apparatus
12/27/2001US20010054478 Planar type lens manufacturing method
12/26/2001CN2468073Y Projection screen capable of preventing light from interfering
12/26/2001CN2468072Y Extensible ultralarge arc film screen
12/26/2001CN2468071Y Structure of file camera
12/26/2001CN2468070Y Hinge structure for extensible arm
12/26/2001CN1328657A Optical docking station
12/26/2001CN1076835C 照相胶片 Photographic film
12/26/2001CN1076834C Image projection apparatus with autofocusing system
12/25/2001US6333778 Image reading apparatus
12/25/2001US6333773 Image display panel employing a broad-band polarizing/reflective backlighting structure and a pixelated array of reflective-type of filtering elements
12/25/2001US6332684 Projection type color image display apparatus
12/20/2001WO2001096941A1 Screen with asymmetric light diffusing characteristic
12/20/2001WO2001096907A2 Digital projection equipment and techniques
12/20/2001WO2001069942A3 Methods and apparatuses for superimposition of images
12/20/2001WO2001027693A3 Projection display employing switchable holographic optical elements
12/20/2001US20010053966 Aspheric screen for visual display apparatus
12/20/2001US20010053080 Electric lamp/reflector unit
12/20/2001US20010053078 Illuminating-light controller, projector, and illuminating-light control method
12/20/2001US20010052965 Integarated front projection digital whiteboard system