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:
Aug. 09, 2011
Filed:
Jul. 30, 2009
Applicant:
Yasuaki Kuwata, Kanagawa, JP;
Inventor:
Yasuaki Kuwata, Kanagawa, JP;
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01P 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A measuring device includes a VCSEL of a first-order or high-order single mode emitting laser beams, a driving part configured to drive the VCSEL, a detecting part configured to detect an electric signal relating to feedback lights generated when laser beams are projected onto an object, and a calculating part configured to identify a direction of movement of the object on the basis of the electric signal detected by the detecting part.