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:
Jun. 23, 2026
Filed:
Oct. 28, 2022
Applicant:
Foster Electric Company, Limited, Tokyo, JP;
Inventor:
Kentaro Machida, Tokyo, JP;
Assignee:
FOSTER ELECTRIC COMPANY, LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/28 (2006.01); H04R 9/02 (2006.01); H04R 9/04 (2006.01); H04R 9/06 (2006.01);
U.S. Cl.
CPC ...
H04R 1/288 (2013.01); H04R 9/025 (2013.01); H04R 9/043 (2013.01); H04R 9/063 (2013.01); H04R 2400/11 (2013.01);
Abstract
A speaker device includes: a first voice coil; a second voice coil disposed radially outside the first voice coil; a first damper supporting the first voice coil to a frame; and a second damper supporting the second voice coil to the frame, and the first damper includes a recessed portion, which is separated from the second voice coil more than other portion of the first damper, on an extension line of a vibration direction of the second voice coil.