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:
May. 20, 2014
Filed:
May. 31, 2012
Takanori Aimono, Tokyo, JP;
Takanori Aimono, Tokyo, JP;
Stanley Electric Co., Ltd., Tokyo, JP;
Abstract
In a two-dimensional optical deflector including a mirror, a movable frame supporting the mirror, a first piezoelectric actuator connected between the movable frame and the mirror and adapted to rock the mirror with respect to a first axis of the mirror, a support body supporting the movable frame, and a second piezoelectric actuator connected between the support body and the movable frame and adapted to rock the mirror through the movable frame with respect to a second axis of the mirror, at least one piezoelectric sensor is provided on the movable frame and adapted to sense rocking vibrations of the mirror caused by the first and second piezoelectric actuators.