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:
May. 30, 2023
Filed:
Jun. 28, 2021
Audio-technica Corporation, Tokyo, JP;
Hiromichi Ozawa, Kanagawa, JP;
AUDIO-TECHNICA CORPORATION, Tokyo, JP;
Abstract
An acoustic diaphragmaccording to the present invention includes a center dome member, and a sub dome member. The center dome member includes a center domeand an annular first plane partthat is disposed along the outer periphery of the center dome and formed integrally with the center dome. The sub dome member includes a sub domeand an annular second plane partthat is disposed along the inner periphery of the sub dome and formed integrally with the sub dome. The first plane part includes a rising partof the center dome, a first front surface, and a first back surface. The second plane part includes an inner peripheral edge, a second front surface, and a second back surface. The center dome is formed of a material different from that of the sub dome. The sub dome surrounds the periphery of the center dome. The inner peripheral edge coincides with the rising part. The first front surface is joined to the second back surface.