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:
Aug. 22, 2023
Filed:
Oct. 20, 2021
Applicant:
Goertek Inc., Weifang, CN;
Inventors:
Assignee:
GOERTEK INC., Weifang, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01); H04R 1/10 (2006.01);
U.S. Cl.
CPC ...
H04R 1/1008 (2013.01); H04R 1/105 (2013.01); H04R 2420/07 (2013.01);
Abstract
Disclosed is an earphone, which includes a housing defined with a first sound hole, a second sound hole, and a resonant cavity communicating the first sound hole and the second sound hole inside the housing; and a loudspeaker in the resonant cavity, having a first sound emitting surface corresponding to the first sound hole, and a second sound emitting surface facing the first sound emitting surface, where sound emitted from the second sound emitting surface pass to the second sound hole through the resonant cavity.
Zhang, Jie. (2023). Earphone (U.S. Patent No. 11736846). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11736846
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile