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. 17, 2019
Filed:
Apr. 13, 2018
Applicant:
Kabushiki Kaisha Audio-technica, Tokyo, JP;
Inventors:
Assignee:
KABUSHIKI KAISHA AUDIO-TECHNICA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/10 (2006.01); H04R 1/28 (2006.01);
U.S. Cl.
CPC ...
H04R 1/1008 (2013.01); H04R 1/288 (2013.01);
Abstract
A headphone includes a driver unit, the first housingthat forms a first air chamberon a back side of the driver unit, the second housingthat forms a second air chamberon an opposite side of an inner surface different from an inner surface where the driver unitis provided in the first housing, and a damperprovided in the second housing. In the first housing, an openingthat communicates between the first air chamberand the second air chamberis formed.