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. 04, 2011
Filed:
Jun. 30, 2008
Applicant:
Katsuyuki Kobayashi, Yokohama, JP;
Inventor:
Katsuyuki Kobayashi, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 11/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A coordinate detection apparatus has a light projecting unit and light receiving unit, detects abnormal light based on the output from the light receiving unit in a state in which the light projecting unit does not project any light, and detects the coordinates of a light-shielded position based on the output from the light receiving unit in a state in which the light projecting unit projects light.
Kobayashi, Katsuyuki. (2011). Coordinate detection apparatus and method, and computer program (U.S. Patent No. 7864341). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7864341
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