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. 26, 2011
Filed:
Jul. 21, 2008
Takahiro Sagawa, Chino, JP;
Takahiro Sagawa, Chino, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A control system includes a principal light source for outputting light to a light path used for image projection, an auxiliary light source for outputting light to the light path, and a control section for controlling light intensity of the auxiliary light source, and the control section performs one of control of setting combined light intensity obtained by combining light intensity of the principal light source and the light intensity of the auxiliary light source with each other in a certain range, or control of setting the combined light intensity to be equal to or higher than a predetermined value.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile