Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465)
03/2004
03/31/2004EP1402315A1 Projection device with means for adjusting the direction of polarisation and with transmissive diffusive screen
03/31/2004EP1402306A2 Projection display system using two lamp sources
03/31/2004CN2609005Y Wide angle projection optical system possessing long back focal distance
03/31/2004CN1486448A Projection screens
03/31/2004CN1486438A High contrast front projection display panel and a method of making a high contrast front projection display panel
03/31/2004CN1485688A Transmissive screen and rear projector
03/31/2004CN1485650A Medium handling machine
03/31/2004CN1485649A Image projection arrangement having integrated type optical diode luminous source
03/31/2004CN1485648A Image printing system using cellular phone with camera
03/31/2004CN1485646A Method of controlling brightness of user-selected area for image desplay device
03/31/2004CN1485626A Value based caching
03/31/2004CN1144076C 反射型投影仪 The reflective projector
03/30/2004US6714353 Optical device with a function of homogenizing and color separation, and optical illumination system for a projector using the same
03/30/2004US6714349 Screen and projection display system with improved viewing angle characteristic
03/30/2004US6714173 Three dimensional screen display
03/30/2004US6713754 Device and method for exposing visual data on light-sensitive recording material
03/30/2004US6712477 Optical projection system including projection dome
03/30/2004US6712476 Projection display apparatus and method of display
03/30/2004US6712475 Housing and internal layout for compact SLM-based projector
03/30/2004US6712474 Projection lens and projector provided with the same
03/30/2004US6712473 Mirror array device and projection type display apparatus using the same
03/30/2004US6712472 Color field sequential projector including polarized light beam splitter and electronically controllable birefringence quarter waveplate
03/30/2004US6712471 Wide-field-of-view projection display
03/25/2004WO2004010407A3 High brightness wide gamut display
03/25/2004WO2004006012A3 A carried for a reticle used in photolithographic semiconductor
03/25/2004US20040060011 Review device, electronic device, and image forming apparatus
03/25/2004US20040058729 Projection device with wireless devices
03/25/2004US20040057749 Method for regenerating charging member, charging member and device for regenerating charging member
03/25/2004US20040057116 Optical filter, optical device, and projector
03/25/2004US20040057110 Light distribution control element and display apparatus provided with the same
03/25/2004US20040057109 Projection unit
03/25/2004US20040057027 Illumination apparatus and display apparatus using the illumination apparatus
03/25/2004US20040057025 High contrast projection
03/25/2004US20040057024 Table type display device
03/25/2004US20040057020 Display apparatus
03/25/2004US20040057019 Color switching projection apparatus with two liquid crystal panels
03/25/2004US20040057018 Single-panel color image display apparatus
03/25/2004US20040057017 Display system
03/25/2004DE10341364A1 Projector optical system for projector apparatus, includes quarter-wave plate arranged between polarization separating surface of prism and digital micromirror device to rotate polarization direction of light
03/24/2004EP1401215A2 LCD projector system
03/24/2004EP1400127A1 Digital image projector with oriented fixed-polarization-axis polarizing beamsplitter
03/24/2004EP1400126A1 Image display system
03/24/2004EP1399779A2 Projection system
03/24/2004EP1192111B1 Glass microspheres for use in rear projection screen displays and methods
03/24/2004CN2607595Y High brightness liquid crystal projection system
03/24/2004CN1484917A Temporary simulated off state in a restart of video display
03/24/2004CN1484779A Lmage display system
03/24/2004CN1484198A Projection plane color correction method of projector, system, and proguam for same
03/24/2004CN1484089A Liquid crystal rear-projection optical engine
03/24/2004CN1484087A Method for regenerating electrized member, electrized member and regenerating device for same
03/24/2004CN1484058A Lens mounting mechanism and projector
03/24/2004CN1143530C Video display apparatus and method of preventing inadvertent switch-off of light source therein
03/24/2004CN1143177C Method and apparatus for projection display
03/24/2004CN1143142C Optical elements and Fresnel lens
03/23/2004US6710941 Fresnel lens for projection screens
03/23/2004US6710919 Translucent screen comprising a lens system
03/23/2004US6710762 Projection type display
03/23/2004US6709124 Scrolling color sequential illumination system
03/23/2004US6709116 Shape-adaptive projector system
03/23/2004US6709115 Projector
03/23/2004US6709114 Spherical mounting system for three axis adjustment of light projector assembly in a projection television
03/23/2004US6709113 Reduction of moire effect in pixelated rear-projection displays
03/23/2004US6709112 Light source device and projection type display capable of enclosing fragment herein in case of burst of discharge lamp during lighting
03/23/2004US6709111 Cooling fan controller and liquid crystal projector
03/23/2004US6709110 Optical device for projection system
03/18/2004WO2004023208A1 Portable image projection device
03/18/2004WO2004023203A2 Image projection system with a polarizing beam splitter
03/18/2004WO2004012438A3 Center convergence optimization in a projection display apparatus
03/18/2004WO2004010061A3 Energy store circuit for controlling rotor rotation
03/18/2004WO2003106893A8 Light beam preparation arrangement
03/18/2004WO2003104888A3 Mobile projection screen
03/18/2004US20040052078 Display unit and game machine system
03/18/2004US20040051977 Exposing apparatus and exposing method for microlens array
03/18/2004US20040051945 Luminous intensity distribution control device and display having the same
03/18/2004US20040051851 Method of and device for generating an image having a desired brightness
03/18/2004US20040051850 Array for projecting a polyciiromatic image on a projection surface
03/18/2004US20040051849 Projection device with wireless devices
03/18/2004US20040051818 Projection type liquid crystal display unit
03/17/2004EP1398973A2 Image display device and projector
03/17/2004EP1398972A1 Color illumination system for spatial light modulators using multiple double telecentric relays
03/17/2004EP1398660A1 Image display screen and image display unit
03/17/2004EP1398659A2 Illumination apparatus and image projection apparatus using the illumination apparatus
03/17/2004EP1398651A1 Optical path converting optical element ,optical path converter, and optical projector, and image display apparatus using said optical element
03/17/2004EP1397723A1 Ultrathin mesh optical panel and a method of making an ultrathin mesh optical panel
03/17/2004EP1397715A1 Lensed tapered optical waveguide
03/17/2004CN2606906Y Flexible assembled system and its mechanism used for optical projection device
03/17/2004CN1483156A Microstructured rear projection screen
03/17/2004CN1482490A Color switching projection apparatus with two liquid crystal panels
03/17/2004CN1482489A Improved asymmetric projection lighting system and method
03/17/2004CN1482487A Projecting color display
03/16/2004US6707606 Base material sheet having lens formed on at least one surface using ionizing radiation curable resin and containing light diffusion agent particles with specified mass average particle diameter relationship
03/16/2004US6707605 Fresnel lens sheet and transmission-type projection screen
03/16/2004US6707596 Digital mirror device projector and method of controlling amount of light being used in digital mirror device projector
03/16/2004US6707591 Angled illumination for a single order light modulator based projection system
03/16/2004US6707435 Optical signaling or display device
03/16/2004US6705735 Projecting device for displaying computer image
03/16/2004US6705734 Optic system of illumination for videoprojector
03/16/2004US6705733 Color wheel and washer thereof
03/16/2004US6705732 Polarizer module
03/16/2004US6705731 Projection type display apparatus