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:
Sep. 20, 2016
Filed:
Aug. 07, 2014
Applicants:
Goichi Akanuma, Kanagawa, JP;
Tomofumi Kitazawa, Kanagawa, JP;
Inventors:
Goichi Akanuma, Kanagawa, JP;
Tomofumi Kitazawa, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 26/08 (2006.01); G03G 15/04 (2006.01);
U.S. Cl.
CPC ...
G02B 26/0858 (2013.01); G03G 15/04036 (2013.01);
Abstract
An optical deflection device includes a mirror having a reflection face for deflecting light that enters the reflection face; and a support member to support the mirror including a torsion bar having one end being continuously connected to the mirror; a beam being continuously connected to another end of the torsion bar; and a plurality of piezoelectric elements disposed on the beam including a first piezoelectric element and a second piezoelectric element.