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. 10, 2008
Filed:
Jan. 14, 2005
Applicants:
Koji Muraoka, Nishinomiya, JP;
Naoki Kaise, Higashi-Osaka, JP;
Yoshichika Hirao, Neyagawa, JP;
Toru Kirimura, Tsushima, JP;
Ryoji Nakanishi, Higashi-Osaka, JP;
Inventors:
Koji Muraoka, Nishinomiya, JP;
Naoki Kaise, Higashi-Osaka, JP;
Yoshichika Hirao, Neyagawa, JP;
Toru Kirimura, Tsushima, JP;
Ryoji Nakanishi, Higashi-Osaka, JP;
Assignee:
Sanyo Electric Co., Ltd., Moriguchi, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A projection type video display has a sensor which includes an image pick up device to take a projected image and the projection type video display projects an adjustment image to automatically implement the focus adjustment and the keystone distortion correction on the basis of output of the sensor.