Patents for G03B 21 - Projectors or projection-type viewers; Accessories therefor (41,465)
05/2009
05/20/2009CN100489652C Screen of display
05/20/2009CN100489651C Luminance self-adjusting projector and method thereof
05/20/2009CN100489650C Projecting unit
05/20/2009CN100489649C Projection apparatus with lens capable of moving bidimensionally
05/20/2009CN100489648C Method for displaying on-off state of electronic equipment and on-off interactive device
05/20/2009CN100489647C Projection display device and method for realizing voice prompt
05/20/2009CN100489646C Projection image display device
05/20/2009CN100489645C Image projecting equipment capable of hanging and flying
05/20/2009CN100489644C Projecting unit inside portable electronic equipment
05/20/2009CN100489573C Color separating and composing element, graph light producing device, and projection type graph display
05/20/2009CN100489571C Spectroscope and projection type display unit
05/19/2009US7535721 Casing for electronic device and projector having this casing for electronic device
05/19/2009US7535711 Wind velocity measuring device and electronic apparatus
05/19/2009US7535648 Projection type image display
05/19/2009US7535644 Lens element, lithographic apparatus, device manufacturing method, and device manufactured thereby
05/19/2009US7535638 Fractional coverage louver device for a light guide screen
05/19/2009US7535637 Fresnel lens sheet, transmission type screen and rear projection type display apparatus
05/19/2009US7535636 Selective reflecting
05/19/2009US7535622 Programmable light beam shape altering device using programmable micromirrors
05/19/2009US7535435 Projector
05/19/2009US7533996 Contrast adjustable projector apparatus
05/19/2009US7533995 Device for forming visible image in air
05/19/2009US7533994 Light source array for LCD applications
05/14/2009WO2009061619A2 Apparatus and method for tracking a light pointer
05/14/2009US20090124382 Interactive image projection system and method
05/14/2009US20090122400 Portable front projection screen assemblies with flexible screens
05/14/2009US20090122399 Optical device
05/14/2009US20090122280 Electronic device
05/14/2009US20090122279 Projector
05/14/2009US20090122278 Non-specular folding mirror and a system of using the same
05/14/2009US20090122277 Projection lens with exterior stop
05/14/2009US20090122276 Multi-lamp projection display apparatus
05/14/2009US20090122275 Image display apparatus and method for displaying image
05/14/2009US20090122274 Video Projection System
05/14/2009US20090122273 Color wheel fabrication
05/14/2009US20090122272 Projection apparatus using solid-state light source array
05/14/2009US20090122271 Image display apparatus
05/14/2009US20090122270 Projector with dust suction member
05/14/2009US20090122269 Methods and systems for improving operation of a video projector
05/14/2009US20090122268 Blind for a projector
05/14/2009US20090122267 Projection optical system
05/14/2009US20090122266 Image projection device and method
05/13/2009EP2059056A2 Optical system and projection display device
05/13/2009EP2058701A1 Projection device and image display device
05/13/2009EP1197794B1 Projection display system and projector
05/13/2009CN201237693Y Colorful single-slice liquid crystal projector
05/13/2009CN201237692Y Power-off protection apparatus for projection apparatus
05/13/2009CN201237156Y LED light source and liquid crystal projection equipment employing the same
05/13/2009CN201236866Y Locking mechanism of expansion member
05/13/2009CN201235678Y Movable project screen for teaching
05/13/2009CN101430496A High-brightness glass micro-bead curtain
05/13/2009CN101430495A High-definition projection screen
05/13/2009CN101430494A Light source apparatus for projection display and projection display apparatus
05/13/2009CN101430493A Light source for projection system and projection display device
05/13/2009CN101430492A Light source for projection system and projection display device
05/13/2009CN101430491A Light source for projection system and projection display device
05/13/2009CN101430490A Electronic device with rotating module
05/13/2009CN101430489A Electronic device
05/13/2009CN101430488A Projection type image display device
05/13/2009CN101430487A Height adjusting device
05/13/2009CN101430486A Projector
05/13/2009CN101430485A Locking mechanism for bulb cover of projector
05/13/2009CN101430484A Projection type image display device
05/13/2009CN101430483A Image display apparatus and image display method
05/13/2009CN101430482A Projection picture operating system and method
05/13/2009CN101430425A Dichroic mirror and projection device using the same
05/13/2009CN101430407A System and method for detecting arrangement sequence of color block filter
05/13/2009CN101430406A Dynamic shading apparatus and projector using the same
05/13/2009CN101428627A Theater type train carriage
05/13/2009CN100487566C Projection screen and projection system containing same
05/13/2009CN100487565C Light source and projector having an image display element
05/13/2009CN100487564C Reflect type microlens optical engine illumination system
05/13/2009CN100487563C System for promoting microdisplay optical engine contrast
05/13/2009CN100487562C Projector
05/13/2009CN100487561C Image display apparatus
05/13/2009CN100487560C Illuminator and projector comprising it
05/13/2009CN100487559C System and method for displaying projector system identification information
05/13/2009CN100487558C Optical device, its manufacturing method, and projector
05/13/2009CN100487557C Image display method and device, and projector
05/13/2009CN100487556C Projector
05/13/2009CN100487555C Image display device and image display system
05/13/2009CN100487554C Display device and projection display device
05/13/2009CN100487268C Apparatus and method for removing vibration for rotary disc
05/12/2009US7532407 Projection display
05/12/2009US7532406 Device for homogenizing light
05/12/2009US7532396 Screen and projection system
05/12/2009US7532395 Lens sheet for screen
05/12/2009US7530698 Positioning device for a projection apparatus
05/12/2009US7530697 Illumination optics and image projecting apparatus having thereof
05/12/2009US7530696 Projectors and operation thereof
05/12/2009US7530695 Projector
05/12/2009US7530694 Flat projection television
05/12/2009US7530693 Single MEMS imager optical engine
05/07/2009WO2009057522A1 Scan type projection device
05/07/2009WO2009057053A1 System for adjusting a projector device, and method thereof
05/07/2009WO2007089966A3 Projection display system
05/07/2009WO2007059346A3 Projection screen coating
05/07/2009US20090116117 Projector
05/07/2009US20090116107 Multilayered Screens with Light-Emitting Stripes for Scanning Beam Display Systems
05/07/2009US20090116106 Portable front projection screens