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. 16, 2014
Filed:
Feb. 15, 2012
Applicant:
Yoshiaki Yasuda, Tokyo, JP;
Inventor:
Yoshiaki Yasuda, Tokyo, JP;
Assignee:
Stanley Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 26/08 (2006.01); G02B 26/10 (2006.01); G02B 26/12 (2006.01); G02B 5/02 (2006.01); G02B 26/00 (2006.01); G02B 27/48 (2006.01);
U.S. Cl.
CPC ...
G02B 27/48 (2013.01); G02B 26/105 (2013.01); G02B 5/0215 (2013.01); G02B 26/00 (2013.01);
Abstract
A light scattering elementis equipped with a transparent, thin film-like optical elementwhich scatters incident laser light, and a thin film-like piezoelectric element, which is sandwiched between two electrodesand which is laminated on a surface of the optical elementthat is different from an optical scattering surface. The light scattering elementaverages a speckle pattern of laser light scatted by the optical scattering surfaceand emitted therefrom by vibration of the piezoelectric elementgenerated when alternating voltage is applied between the two electrodes