Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kiwamu Takehisa0
Haruhiko Kusunose0
Date of Patent
July 27, 2010
Patent Application Number
11959051
Date Filed
December 18, 2007
Patent Primary Examiner
Patent abstract
According to one aspect of the present invention, there is provided an illumination apparatus 110 including a laser source 11, a two dimensional diffraction optics 13 on which laser beam from the laser source is made incident, a rectangular rod 14 on which diffraction beams from the two dimensional diffraction optics 13 are made incident and through which incident beams travel while repeating total reflection, and a galvano mirror 12 changing an incident position of the diffraction beams from the two dimensional diffraction optics 13 in an incident end surface of the rectangular rod 14.
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