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:
Apr. 24, 2012
Filed:
Jun. 22, 2006
Applicants:
Yasuo Onishi, Soraku-gun, JP;
Hideki Yamamoto, Kyoto, JP;
Inventors:
Yasuo Onishi, Soraku-gun, JP;
Hideki Yamamoto, Kyoto, JP;
Assignee:
SANYO Electric Co., Ltd., Moriguchi-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A projection type video display apparatus includes a projection lamp and a video signal processing circuit which performs video processing to an input video signal. The projection type video display apparatus includes means for performing an initializing process of the video signal processing circuit in a period until brightness of the projection lamp reaches brightness enough to project video since the projection lamp is lit and in a period except for a period during which lamp lighting noise is generated immediately after the projection lamp is lit.