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:
Apr. 19, 2016
Filed:
Aug. 09, 2012
Applicant:
Shun Ming Yuen, Hong Kong, CN;
Inventor:
Shun Ming Yuen, Hong Kong, CN;
Assignee:
INNOVATION SOUND TECHNOLOGY CO., LTD., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/10 (2006.01);
U.S. Cl.
CPC ...
H04R 1/1058 (2013.01);
Abstract
The present invention relates to an earphone, which comprises a shell, a speaker arranged in said shell, an sound chamber corresponding to said speaker and an E&M, in which the sound emission hole is arranged in said E&M, and connected with said sound chamber; the earphone also comprises a normally closed pressure relief channel used for connecting the said sound chamber and the outside, and connected when a user puts said E&M in the ear canal.
Yuen, Shun. (2016). Earphone (U.S. Patent No. 9319771). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9319771
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile