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:
Jan. 10, 2017
Filed:
Nov. 13, 2014
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventors:
Takeaki Shimanouchi, Akashi, JP;
Osamu Toyoda, Akashi, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/12 (2006.01); H02N 2/18 (2006.01);
U.S. Cl.
CPC ...
H01L 41/125 (2013.01); H02N 2/186 (2013.01);
Abstract
A power generation device includes: first and second beams which are arranged to face each other and are bent by vibration; and a coil wound around the first and second beams. Each of the first and second beams includes: a beam body; and a stress relaxation layer made of a material different from a material of the beam body and partially covering the surface of the beam body.