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. 21, 2017
Filed:
Mar. 04, 2016
Applicant:
Sony Corporation, Tokyo, JP;
Inventors:
Satoru Awane, Tokyo, JP;
Hiroyuki Meguro, Kanagawa, JP;
Assignee:
SONY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); H04N 9/31 (2006.01); G02B 27/00 (2006.01);
U.S. Cl.
CPC ...
G03B 21/16 (2013.01); G02B 27/0006 (2013.01); H04N 9/3144 (2013.01);
Abstract
A projection display apparatus includes: a substantially box-shaped enclosure having a bottom surface portion, the bottom surface portion having an ventilation groove and an air inlet formed through a wall of the ventilation groove; an air sucking fan provided in the enclosure and forming an air flow flowing through the air inlet into the enclosure, and a filter through which the air flowing through the air inlet into the enclosure passes.