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. 01, 2014
Filed:
Apr. 08, 2009
Applicant:
Tomio Ikegami, Chino, JP;
Inventor:
Tomio Ikegami, Chino, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image display apparatus includes a light source, a scanner that scans an output beam emitted from the light source to forms an image on a projection surface, a light source driver that control intensity of the output beam emitted from the light source by controlling a drive current for driving the light source based on input image data, a light source drive power supply that supplies power to the light source driver, and a voltage controller that controls an output voltage from the light source drive power supply based on the input image data.