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. 14, 2020
Filed:
Aug. 12, 2019
Applicant:
Transound Electronics Co., Ltd., Dongguan, Guangdong, CN;
Inventor:
Tseng-Feng Wen, Dongguan, CN;
Assignee:
TRANSOUND ELECTRONICS CO., LTD., Dongguan, Guangdong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/10 (2006.01); G10K 11/178 (2006.01);
U.S. Cl.
CPC ...
H04R 1/1083 (2013.01); G10K 11/17853 (2018.01); G10K 11/17857 (2018.01); H04R 1/1016 (2013.01); G10K 2210/1081 (2013.01); H04R 2460/01 (2013.01);
Abstract
A noise cancelling earphone includes an earphone housing, a filter module, and a speaker. The filter module and the speaker are installed in the earphone housing. The filter module includes a printed circuit board, a microphone, and a filter unit. The microphone and the filter unit are respectively disposed on the printed circuit board. The filter unit is electrically connected between the microphone and the speaker. The filter module is arranged in the earphone. The structural design is reasonable, the space is effectively utilized, the structure is compact, and the assembly is convenient.