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:
Dec. 29, 2009
Filed:
Dec. 05, 2007
Applicants:
Tomonari Torii, Osaka, JP;
Tomoki Hanada, Osaka, JP;
Inventors:
Tomonari Torii, Osaka, JP;
Tomoki Hanada, Osaka, JP;
Assignee:
Keyence Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B 11/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical displacement sensor is described that is capable of correctly detecting a target object, even if the position of the target object is changed in an amount greater than the thickness of the target object.