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. 03, 2018
Filed:
Dec. 12, 2016
Merry Electronics(shenzhen) Co., Ltd., Guangdong, CN;
Chia-Chung Lin, Taichung, TW;
Chih-Hung Wang, Taichung, TW;
Merry Electronics(Shenzhen) Co., Ltd., Guangdong, CN;
Abstract
A noise-cancelling earphone including a housing, an eartip, a speaker, a first microphone and a second microphone is provided. The housing includes a tube and a chamber. The tube has a first end and a second end opposite to the first end. The first end of the tube has an audio outlet, and the chamber is connected to the second end of the tube. The eartip is sleeved on the tube, and the eartip has an accommodating space which accommodates the tube. The speaker and the first microphone are disposed inside the tube and located in the accommodating space of the eartip. The second microphone is disposed inside the chamber.