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:
Feb. 28, 2012
Filed:
Sep. 12, 2007
Applicants:
Hiroaki Fujii, Kanagawa, JP;
Takuji Ohkubo, Chiba, JP;
Yoshiro Asano, Chiba, JP;
Nobuaki Higuchi, Kanagawa, JP;
Inventors:
Hiroaki Fujii, Kanagawa, JP;
Takuji Ohkubo, Chiba, JP;
Yoshiro Asano, Chiba, JP;
Nobuaki Higuchi, Kanagawa, JP;
Assignee:
Sony Corporation, , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is provided a lamp burst sound reduction structure which may have an enlarged part in an intermediate position of a duct through which cooling air for cooling a light emitting unit of a lamp flows, the enlarged part may have a cross section area larger than a cross section area of the duct, the lamp being a light source of a projector.