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:
Dec. 23, 2025
Filed:
May. 31, 2023
Applicant:
Foster Electric Company, Limited, Tokyo, JP;
Inventor:
Kentaro Machida, Tokyo, JP;
Assignee:
Foster Electric Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/02 (2006.01); H04R 1/44 (2006.01);
U.S. Cl.
CPC ...
H04R 1/025 (2013.01); H04R 1/44 (2013.01);
Abstract
Provided is an electroacoustic transducer capable of improving the reliability of a drive circuit and the sound quality. The electroacoustic transducer includes: a vibration unit constituting a part of a partition defining a cabin space of a vehicle; a magnetic circuit on an outside of the cabin space; and an electrical element configured to process an electrical signal for vibrating the vibration unit. The electrical element is located in the cabin space.