The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 08, 2011
Filed:
Jun. 01, 2007
Shinya Sannohe, Osaka, JP;
Mitsuhiro Wada, Kyoto, JP;
Shinya Sannohe, Osaka, JP;
Mitsuhiro Wada, Kyoto, JP;
Panasonic Corporation, Osaka, JP;
Abstract
There are provided 2n (n is 2 or more) light sourcesto, 2n first collective optical systems composed of ellipsoidal mirrorstothat are arranged so as to focus light beams emitted from the respective light sources, n first light combiner optical systems that are composed of prismsand, each having an isosceles triangular prism shape in cross section, and are arranged so as to synthesize exiting light beams from respective corresponding two of the first collective optical systems, second collective optical systemsandarranged so as to focus exiting light beams from the respective first light combiner optical systems, a n/2 second light combiner optical system composed of a prismhaving an isosceles triangular prism shape in cross section and arranged so as to synthesize exiting light beams from respective corresponding two of the second collective optical systems, and a third collective optical systemcomposed of a plurality of lenses and a plurality of lens arrays and arranged so as to allow exiting light beam from the second light combiner optical system to be incident thereon. The 2n first collective optical systems each have an optical axis substantially parallel to one another.