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:
Jun. 09, 2015
Filed:
Mar. 10, 2010
Applicants:
Mamoru Shibasaki, Tachikawa, JP;
Hideo Suzuki, Ome, JP;
Inventors:
Mamoru Shibasaki, Tachikawa, JP;
Hideo Suzuki, Ome, JP;
Assignee:
CASIO COMPUTER CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/00 (2006.01); G03B 21/14 (2006.01); G09G 3/34 (2006.01); H04N 9/31 (2006.01); H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
G03B 21/14 (2013.01); G09G 3/3413 (2013.01); G09G 2310/0235 (2013.01); G09G 2320/0633 (2013.01); G09G 2360/145 (2013.01); H04N 9/3111 (2013.01); H04N 9/3182 (2013.01); H04N 9/3194 (2013.01); H04N 9/3197 (2013.01); H05B 33/0851 (2013.01); H05B 33/0854 (2013.01);
Abstract
There is provided a projection apparatus including a plurality of light-emitting devices for respectively emitting lights of a plurality of colors, a projecting unit for forming an optical image of a plurality of color components for each frame and sequentially projecting the optical image, and a power control unit for adjusting power to be supplied to the plurality of light-emitting devices to correct a decrease in luminance due to heat generation of the plurality of light-emitting devices.