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:
Jul. 21, 2009
Filed:
Feb. 14, 2006
Applicants:
Yasuji Seko, Kanagawa, JP;
Tsutomu Abe, Kanagawa, JP;
Yoshinori Yamaguchi, Kanagawa, JP;
Hiroyuki Miyake, Kanagawa, JP;
Inventors:
Yasuji Seko, Kanagawa, JP;
Tsutomu Abe, Kanagawa, JP;
Yoshinori Yamaguchi, Kanagawa, JP;
Hiroyuki Miyake, Kanagawa, JP;
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 7/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A position measurement system, includes: a plurality of concentric pattern projectors each for projecting a concentric pattern; an image sensor that has a sensor plane and that detects the concentric pattern; and an arithmetic unit that calculates a position of the image sensor and a normal direction of the sensor plane from a detection signal of the image sensor.