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. 08, 2020
Filed:
Jan. 17, 2018
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Takashi Ogura, Osaka, JP;
Shohei Kawagoe, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/34 (2006.01); H04R 1/02 (2006.01);
U.S. Cl.
CPC ...
H04R 1/34 (2013.01); H04R 1/02 (2013.01); H04R 1/345 (2013.01);
Abstract
Acoustic lens includes a plurality of fins arranged at a predetermined interval. At least one fin among the plurality of fins includes: first notch portion provided on a front side of a path of a sound; and second notch portion provided on a rear side of the path of the sound. Second notch portion has a shape corresponding to a shape of a diaphragm of a speaker disposed in proximity to the fin.