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:
May. 17, 2005
Filed:
Feb. 26, 2002
Masashi Kitabayashi, Horigahe-mura, JP;
Koichi Kojima, Shimosuwa-machi, JP;
Masashi Kitabayashi, Horigahe-mura, JP;
Koichi Kojima, Shimosuwa-machi, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
In a light beam sensor () of a position adjuster, a light beam irradiated from a cross dichroic prism () is directly received by a CCD camera () via a beam splitter (), so that the position adjuster can be adjusted without using a conventional projection screen and great size reduction of the position adjuster is possible, and, since only small space is required for installing the position adjuster, workspace can be efficiently utilized.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile