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:
Jul. 24, 2018
Filed:
Oct. 01, 2015
Applicant:
Sony Corporation, Tokyo, JP;
Inventors:
Tomohiro Matsuo, Tokyo, JP;
Akihiro Ogata, Saitama, JP;
Kazuyasu Tsunezumi, Kanagawa, JP;
Takashi Yamazaki, Kanagawa, JP;
Assignee:
SONY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/10 (2006.01); H04R 11/02 (2006.01); H04R 5/033 (2006.01); H04R 23/02 (2006.01); H04R 13/00 (2006.01); H04R 25/02 (2006.01);
U.S. Cl.
CPC ...
H04R 1/1016 (2013.01); H04R 5/033 (2013.01); H04R 11/02 (2013.01); H04R 13/00 (2013.01); H04R 23/02 (2013.01); H04R 25/02 (2013.01);
Abstract
An earphone includes: a housing; a dynamic driver unit provided in the housing; and a sound conduit having a length of approximately 10 mm or more, the sound conduit being configured to transmit sound output from the dynamic driver unit.