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. 07, 2020
Filed:
Aug. 23, 2017
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Yoshimichi Kajihara, Osaka, JP;
Takuji Miyamoto, Osaka, JP;
Yuuki Izumi, Kanagawa, JP;
Satoshi Koura, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/02 (2006.01); H04R 9/06 (2006.01); H04R 9/02 (2006.01); H04R 7/16 (2006.01);
U.S. Cl.
CPC ...
H04R 1/025 (2013.01); H04R 1/023 (2013.01); H04R 7/16 (2013.01); H04R 9/025 (2013.01); H04R 9/06 (2013.01);
Abstract
A loudspeaker device includes a loudspeaker, a box, and a lid. The box is provided with an opening and accommodates the loudspeaker. The lid covers the opening of the box. The lid includes a grille with one or more hexagonal holes each having an opening area equal to the area of a circle with a diameter in a range from 6.0 mm to 9.0 mm, inclusive.