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Browse by Category: Main > Optical & Optics
Class Information
Number: 359/449
Name: Optical: systems and elements > Projection screen > With reflector or additional screen
Description: Subject matter including another screen or a reflector which usually is between the first screen and a projector.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7942531 Edge lit locally dimmed display May. 17, 2011
7931377 Screen and projection system Apr. 26, 2011
7922341 Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus Apr. 12, 2011
7911692 Screen and projection system Mar. 22, 2011
7911580 Conversion of cinema theatre to a super cinema theatre Mar. 22, 2011
7896507 Projection type display apparatus Mar. 1, 2011
7898734 Polarization preserving front projection screen Mar. 1, 2011
7883212 Projection apparatus and method for pepper's ghost illusion Feb. 8, 2011
7871167 Projection image display apparatus Jan. 18, 2011
7862180 Optical system for image projection and image projection apparatus Jan. 4, 2011
7857462 Projection optical unit, projection-type image displaying apparatus and projection-type image displaying system Dec. 28, 2010
7835078 Reflecting screen, method of manufacturing the same, and reflection-type projection system Nov. 16, 2010
7832874 Display shelf for illuminating an article placed on a placing table Nov. 16, 2010
7830599 Projection-type display apparatus and display method thereof Nov. 9, 2010
7826135 Screen film for light projection brightness enhancement Nov. 2, 2010
7798652 Display shelf and display shelf system for projecting projector images displaying information about articles Sep. 21, 2010
7796331 Laser image display device and laser image display screen Sep. 14, 2010
7789516 Projection type image display device Sep. 7, 2010
7777949 Laminate screen for a display device Aug. 17, 2010
7738170 Projection system Jun. 15, 2010
7736028 Light source apparatus, lighting apparatus and projection display apparatus Jun. 15, 2010
7724432 Rear-projection screen for projection video display system, method of rear-projection collimation and projection video display system incorporating the same May. 25, 2010
7719762 Transmitting-reflecting projection screen, and projection system comprising the same May. 18, 2010
7714944 Projection system May. 11, 2010
7710645 Selective reflecting for laser projector May. 4, 2010
7697200 Screen having image viewable only in ambient light Apr. 13, 2010
7679823 Reflective screen Mar. 16, 2010
7667892 Projection screen and coating Feb. 23, 2010
7649687 Reflective screen Jan. 19, 2010
7637621 Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus Dec. 29, 2009
RE41062 Image projection system Dec. 29, 2009
7631975 Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus Dec. 15, 2009
7633677 Reflective screen Dec. 15, 2009
7609442 Synchronizing screen Oct. 27, 2009
7602549 Screen and image projection system Oct. 13, 2009
7595930 Portable front projection screens Sep. 29, 2009
7591560 Reflection optical system and projection display apparatus using the same Sep. 22, 2009
7567380 Rear projection display device having multiple mirrors that are substantially parallel to a screen Jul. 28, 2009
7561336 Micro-optical device, spatial optical modulator and projector utilizing the micro-optical device Jul. 14, 2009
7548369 Projection-receiving surface comprising a single sheet formed into a plurality of catenoid-like mirrorlettes Jun. 16, 2009
7535636 Selective reflecting May. 19, 2009
7517091 Color gamut improvement in presence of ambient light Apr. 14, 2009
7515336 Selective reflecting Apr. 7, 2009
7503661 Projection optical system Mar. 17, 2009
7495828 High contrast projection screen Feb. 24, 2009
7480097 Light diffusion sheet and method of producing the light diffusion sheet, and screen Jan. 20, 2009
7443582 Screen and image projection system using the same Oct. 28, 2008
7443583 Screen and image projector using the screen Oct. 28, 2008
7416306 Laser projector Aug. 26, 2008
7377656 Projector May. 27, 2008

1 2 3 4 5










 
 
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