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. 18, 2006
Filed:
Jul. 23, 2003
Applicant:
Hirohisa Ishino, Kanagawa, JP;
Inventor:
Hirohisa Ishino, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/00 (2006.01); G03B 21/26 (2006.01); G03B 21/16 (2006.01); G02F 1/1335 (2006.01); H04N 5/74 (2006.01);
U.S. Cl.
CPC ...
Abstract
A projector for projecting an image to an external screen in which an optical unit, includes rectangular liquid crystal panels disposed such that the short sides thereof are substantially parallel with a plane including principal light beams of the respective color light beams to be composited by a prism. Transmission cables are drawn out from the short sides of the respective liquid crystal panels, and a cooling fan is disposed such that the direction of cooling air is approximately parallel with the long sides of the liquid crystal panels.