Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465)
01/2003
01/14/2003US6505940 Digital projector
01/14/2003US6505939 Projection system comprising at least two light sources having a unique optical arrangement with respect to at least one spatial light modulator
01/14/2003CA2301191C Rear projection display
01/09/2003WO2003003730A1 System for mounting infrared receiver behind mirror in rear projection television applications
01/09/2003US20030007135 Interactive projection system
01/09/2003US20030007133 Projector apparatus
01/09/2003US20030007132 Projector device
01/09/2003US20030007131 Overhead projector lens arms
01/09/2003US20030007129 Image reproducing apparatus and image illuminating apparatus
01/09/2003US20030006985 Method and device for restoring a light signal
01/09/2003DE20119307U1 Free standing projector system for display of pictures and data is mounted on portable frame
01/08/2003EP1274255A1 Projector apparatus
01/08/2003EP1273959A2 High efficiency polarized display
01/08/2003EP1273168A1 Waveguide display
01/08/2003EP1272997A2 Electronic device having a display
01/08/2003EP1272899A2 Trimmer iris for use with a digitally shape-controlled lighting system
01/08/2003EP1272898A1 Reverse projection system for moving imagery
01/08/2003EP1272875A2 Illumination assembly
01/08/2003EP1166166B1 Spectral light splitting and recombination device, and method for modulating light in a spectrally selective manner
01/08/2003CN1390041A Focal distance control apparatus for display
01/08/2003CN1389762A Projective lighting device and film component used therein
01/08/2003CN1389761A Vibration-control projecting head for elevated projecting machine
01/08/2003CN1389760A Improved projecting head connected to head supporting arm of elevated projecting machine
01/08/2003CN1389659A Adjustable foot stool
01/07/2003US6502942 Rear projection display apparatus and translucent screen for use therein
01/07/2003US6502342 Photographic mount
01/07/2003US6502341 Cardboard-plastic slide mount
01/03/2003WO2003001292A1 Projector device
01/03/2003WO2003001291A1 Illumination optical unit, liquid crystal projector and production method of liquid crystal projector
01/03/2003WO2003001281A1 Method, apparatus, and diffuser for reducing laser speckle
01/03/2003WO2003001280A2 Scrolling color sequential illumination system
01/02/2003US20030002871 Microlens array, optical apparatus, single lens reflex camera and optical finder
01/02/2003US20030002162 Optical film
01/02/2003US20030002161 Lens sheet and method for producing it
01/02/2003US20030002159 Lens sheet and producing method therefor
01/02/2003US20030002152 Low energy source front projection screen for large screen pictorial displays
01/02/2003US20030002151 Image display apparatus
01/02/2003US20030002019 Lubricating micro-machined devices using fluorosurfactants
01/02/2003US20030002018 System for mounting infrared receiver behind mirror in rear projection television applications
01/02/2003US20030002017 Reduction of moire effect in pixelated rear-projection displays
01/02/2003US20030002015 Back projection display apparatus
01/02/2003US20030001990 Scrolling color sequential illumination system
01/02/2003US20030001986 Liquid crystal display device and projection liquid crystal display apparatus
01/02/2003EP1271228A1 Large sized rear projection screen
01/02/2003EP1269758A2 Methods and apparatuses for superimposition of images
01/02/2003EP1269756A2 Improvements in dmd-based image display systems
01/02/2003EP1269242A2 Coupling of light from a small light source for projection systems using parabolic reflectors
01/02/2003EP1105760A4 Transparent seam display panel and a method of making a transparent seam display panel
01/02/2003EP1013099B1 Projection televisions with holographic screens having center to edge variations
01/02/2003DE20216448U1 Projector system uses two types of light source and two types of optical systems depending on application
01/01/2003CN2529279Y 动态广告投影仪 Dynamic ad Projector
01/01/2003CN2529278Y Low common difference bulb assembling component
01/01/2003CN1388917A Method for manufacturing transmission screen and transmission screen
01/01/2003CN1388909A 显示装置 Display device
01/01/2003CN1388409A Light-collecting assembly with high light-collecting efficiency and display with the same assembly
01/01/2003CN1097749C Projection screen for back projection television set
12/2002
12/31/2002US6501599 Double concave screen and method of assembly
12/31/2002US6501523 Liquid crystal display element and a display device having a homeotropic alignment
12/31/2002US6501517 Optical system in projection television receiver
12/31/2002US6499849 Rear projector that can adjust image size and operating method
12/31/2002US6499847 Projection system and projector
12/31/2002US6499846 Projection system with projector and deflection mirror
12/31/2002US6499845 Optical apparatus and projection type display apparatus using the same
12/31/2002US6499844 Projection device and integrator plate suitable for such a projection device
12/31/2002CA2312312C Augmented imaging using a silhouette to improve contrast
12/27/2002WO2002104040A1 Projection engine
12/27/2002WO2002104015A1 Spring bracket for mounting cathode ray tubes in projection television devices
12/27/2002WO2002104014A1 Lcd projection device
12/27/2002WO2002103454A1 Double-sided lens sheet and projection screen
12/27/2002WO2002103453A1 Image display screen and image display unit
12/27/2002WO2002103452A1 Projection device with means for adjusting the direction of polarisation and with transmissive diffusive system.
12/27/2002CA2418812A1 Double-sided lens sheet and projection screen
12/26/2002US20020197158 Cooling device for projector
12/26/2002US20020197078 Shutter apparatus
12/26/2002US20020196606 Cooling fan controller and liquid crystal projector
12/26/2002US20020196516 Rear projection apparatus
12/26/2002US20020196414 Systems and methods for speckle reduction through bandwidth enhancement
12/26/2002US20020196377 Image display apparatus
12/25/2002CN1387083A 投影仪 Projector
12/25/2002CN1387068A Display with light gathering module containing spherical reflector
12/25/2002CN1387053A 菲涅尔透镜片 Fresnel lens sheet
12/24/2002US6498686 Single light valve projector with reduced sequential color artifacts
12/24/2002US6497489 Projector with guiding rib in vent
12/24/2002US6497488 Illumination system and projector
12/24/2002US6497484 Optical imaging apparatus
12/19/2002WO2002102088A1 Optical device for projection system
12/19/2002WO2002102087A1 Projection system having low astigmatism
12/19/2002WO2002101460A1 Back-projection screen
12/19/2002WO2002101459A1 Achieving color balance in image projection systems by injecting compensating light
12/19/2002WO2002101458A1 Lamphouse
12/19/2002WO2002101457A1 Lighting device and projection type image display device
12/19/2002WO2002101456A1 Ultrathin mesh optical panel and a method of making an ultrathin mesh optical panel
12/19/2002WO2002101452A2 Projection system
12/19/2002WO2002101427A2 Multilayer birefringent film for polarizing beam splitter
12/19/2002US20020191289 Projection display with two reflective light valves
12/19/2002US20020191287 Polarizer and optical device using the polarizer
12/19/2002US20020191283 Transmission projection screen
12/19/2002US20020191235 Projection engine
12/19/2002US20020191232 Overhead slide projector with output capabilities
12/19/2002US20020191161 Reflection type projection optical system