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. 18, 2017
Filed:
Mar. 09, 2016
Applicant:
Asustek Computer Inc., Taipei, TW;
Inventors:
Pei-Yuan Chen, Taipei, TW;
Chyi-Cheng Wang, Taipei, TW;
Chao-Liang Hung, Taipei, TW;
Shuo-Wen Chang, Taipei, TW;
Sheng-Ta Lin, Taipei, TW;
Assignee:
ASUSTeK COMPUTER INC., Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 29/00 (2006.01); H04R 3/00 (2006.01);
U.S. Cl.
CPC ...
H04R 29/001 (2013.01); H04R 3/007 (2013.01); H04R 29/004 (2013.01); H04R 2420/05 (2013.01);
Abstract
An audio interface circuit including a processor, an audio jack, a first filter circuit, a second filter circuit, a first clamp circuit, a second clamp circuit, a third filter circuit, and a fourth filter circuit is provided. A first clamp circuit and a second clamp circuit between a third and fourth electrodes and a processor, so that the third and fourth electrodes are allowed to be coupled to a microphone.