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. 04, 2015
Filed:
Sep. 10, 2013
Stanley Electric Co., Ltd., Meguro-ku, Tokyo, JP;
Takanori Aimono, Tokyo-to, JP;
STANLEY ELECTRIC CO., LTD., Tokyo, JP;
Abstract
In an optical deflector including a mirror, a support frame surrounding the mirror, at least one torsion bar arranged along an axis of the mirror having an end coupled to an outer circumference of the mirror, a pair of piezoelectric actuators arranged between the support frame and the torsion bar, and a piezoelectric sensor inserted between the torsion bar and one of the piezoelectric actuators, the piezoelectric sensor includes at least one piezoelectric sensor element having a width being smaller than two-fifths of a width of the one of the piezoelectric actuators and being arranged at a wide portion within two-fifths of the width from an inner end of the one of the piezoelectric actuators.