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:
Jan. 25, 2005
Filed:
Jul. 18, 2003
Applicants:
Kazuo Mochizuki, Tokyo, JP;
Hisakazu Aoyanagi, Tokyo, JP;
Daisuke Moriwaki, Tokyo, JP;
Inventors:
Assignee:
NEC Viewtechnology, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 2114 ;
U.S. Cl.
CPC ...
Abstract
An image sensor is installed in the vicinity of a projection lens. The image sensor images a projected and displayed image and a screen. A projection display area and a screen area are detected from the image imaged by the image sensor. An inputted image data is corrected so that the projection display area matches the screen area. The image to be displayed is automatically displayed in a shape, which matches a display surface of the screen.