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:
Nov. 29, 2016
Filed:
Aug. 27, 2014
Applicants:
Michiaki Shinotsuka, Kanagawa, JP;
Tsutomu Kawase, Kanagawa, JP;
Inventors:
Michiaki Shinotsuka, Kanagawa, JP;
Tsutomu Kawase, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 9/02 (2006.01); H04R 31/00 (2006.01); H04R 7/00 (2006.01); H04R 9/00 (2006.01); H04R 9/04 (2006.01);
U.S. Cl.
CPC ...
H04R 9/02 (2013.01); H04R 7/00 (2013.01); H04R 9/00 (2013.01); H04R 9/04 (2013.01); H04R 31/00 (2013.01); Y10T 29/49005 (2015.01);
Abstract
An energy converter includes a permanent magnet and a diaphragm. The permanent magnet is fixed to a predetermined area. The diaphragm is disposed on the permanent magnet and has a coil formed of a conductor pattern.