Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 26, 2008
Patent Application Number
10559460
Date Filed
June 4, 2004
Patent Primary Examiner
Patent abstract
A reflection-type laser projector (100) projects modulated laser beams outputted from a laser projection unit (40), on a screen, wherein a reflector (112) as a constituent of the screen (110) has reflection characteristics of reflecting, among the incident light, only laser beams of three colors of red, blue, and green, which are projected from the laser projection unit (40) and light in the neighboring wavelength band, and transmitting light in other wavelength bands, thereby preventing pictures on the screen (110) from becoming hard to be seen due to effects of indoor illumination or light from outdoors.
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