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:
Sep. 21, 2021
Filed:
Jun. 14, 2018
Applicant:
Sony Corporation, Tokyo, JP;
Inventors:
Kohei Kikuchi, Saitama, JP;
Nobukazu Suzuki, Kanagawa, JP;
Assignee:
SONY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 7/18 (2006.01); H04R 7/12 (2006.01); H04R 9/02 (2006.01); H04R 9/06 (2006.01);
U.S. Cl.
CPC ...
H04R 7/18 (2013.01); H04R 7/12 (2013.01); H04R 9/025 (2013.01); H04R 9/06 (2013.01);
Abstract
An edge including an inner notch extending in a diaphragm-side region, and an outer notch extending in a frame-side region near the inner notch, in which the inner notch and the outer notch have a depression with a depth equal to or larger than a thickness, and an angle B formed by an extending direction of the outer notch with respect to a line radially extending from an edge center is larger than an angle A formed by an extending direction of the inner notch with respect to the line.