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:
Jan. 30, 2024
Filed:
Sep. 14, 2020
Sound Fun Corporation, Tokyo, JP;
Hiroshi Tanaka, Tokyo, JP;
Masahiro Suzuki, Tokyo, JP;
Sound Fun Corporation, Tokyo, JP;
Abstract
[Problem] To provide a higher performance and higher quality curved diaphragm speaker system that has sufficient performance for hard-of-hearing people and also for hearing people. [Solution] A speaker unitaccording to the present invention at least includes: a first diaphragmin a cone shape; a blade piecein a plate shape to which a second diaphragm in a sheet shape forming a rounded surface portion that is curved from one end side to the other end side; and a driver unitthat drives those cone shaped diaphragm and blade piece together. The blade piece is connected via a center cap attached to a tip end of a voice coil of the driver unit so as to protrude from a small diameterside to a large diameterside of the first diaphragm. In the first diaphragm, the small diameter side is connected to the driver unit, and also the large diameter side is attached to a cone support frame. Additionally, the second diaphragm is arranged such that the one end side is overlapped with one surface of the blade piece.