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:
Aug. 13, 2024
Filed:
Aug. 17, 2019
Sound Fun Corporation, Tokyo, JP;
Kazunori Sato, Tokyo, JP;
Nobuhiro Miyahara, Tokyo, JP;
Yoshio Sakamoto, Tokyo, JP;
Hiroshi Tanaka, Tokyo, JP;
SOUND FUN CORPORATION, Tokyo, JP;
Abstract
[Problem] The present invention is directed to a higher-performance and higher-quality curved diaphragm speaker system without deficiency of performance for both a hearing-impaired person and a normal hearing person. [Solution] A speaker unitaccording to the present invention includes at least a first diaphragmhaving a corn shape, a second diaphragmhaving a curved sheet shape, and a driver unitthat drives both the first diaphragm and the second diaphragm. A small diameter sideof the first diaphragm and one end sideof the second diaphragm are coupled to the driver unit. When the speaker unit is mounted in a housingto be a speaker, a large diameter sideof the first diaphragm is coupled to a support plateof a support memberthat is a part of the housing, and the other end sideof the second diaphragm is coupled to a support legof the support member that is a part of the housing.