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.

Date of Patent:
Oct. 19, 2021

Filed:

Apr. 06, 2020
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Takuji Miyamoto, Okayama, JP;

Kengo Takeda, Osaka, JP;

Kazuma Fujioka, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 9/02 (2006.01); H04R 31/00 (2006.01); H04R 7/26 (2006.01);
U.S. Cl.
CPC ...
H04R 9/025 (2013.01); H04R 7/26 (2013.01); H04R 31/00 (2013.01);
Abstract

A loudspeaker including a magnetic circuit; a voice coil body; a diaphragm attached to the voice coil body; a housing which accommodates the magnetic circuit and the voice coil body and to which an outer circumferential portion of the diaphragm and the magnetic circuit are attached; two connection terminals disposed exposed inside and outside the housing; and signal wires which extend from the voice coil body and are connected to the connection terminals. Each signal wire is outwardly curved to be away from a virtual straight line connecting the proximal end of the signal wire and the connection portion. The distal end of the signal wire projects from the connection portion toward the voice coil body.


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