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:
Apr. 23, 2019
Filed:
Mar. 23, 2017
Applicant:
Fujitsu Ten Limited, Kobe-shi, Hyogo, JP;
Inventors:
Yuichi Nakajima, Kobe, JP;
Kayo Takamatsu, Kobe, JP;
Assignee:
FUJITSU TEN LIMITED, Kobe, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/02 (2006.01); H04R 1/28 (2006.01); H04R 7/12 (2006.01); H04R 7/18 (2006.01); H04R 9/06 (2006.01);
U.S. Cl.
CPC ...
H04R 9/06 (2013.01); H04R 1/023 (2013.01); H04R 1/2811 (2013.01); H04R 7/127 (2013.01); H04R 7/18 (2013.01); H04R 2400/11 (2013.01); H04R 2499/13 (2013.01);
Abstract
A speaker unit according to an embodiment includes a diaphragm, a frame, and a current plate. The frame supports an outer circumferential portion of the diaphragm. The current plate is provided in the frame so as to be located at a backside of the diaphragm, and its principal surface is arranged in a direction along an amplitude direction of the diaphragm.