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:
Dec. 15, 2015
Filed:
Mar. 27, 2014
Applicant:
Wistron Corp., New Taipei, TW;
Inventors:
Pei-Lin Chen, New Taipei, TW;
Hsin-Chun Lee, New Taipei, TW;
Shou-Jung Chang, New Taipei, TW;
Chia-Chien Feng, New Taipei, TW;
Assignee:
WISTRON CORP., New Taipei, TW;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 29/00 (2006.01); H04R 3/00 (2006.01);
U.S. Cl.
CPC ...
H04R 3/00 (2013.01); H04R 29/004 (2013.01); H04R 2420/05 (2013.01); H04R 2420/09 (2013.01);
Abstract
A circuit for detecting microphone pin assignment and method thereof is provided. The circuit includes a pin switch unit and a detection unit. The pin switch unit switches the pin assignment of a headset connector. The detection unit receives microphone signals and outputs a test voltage to the microphone. According to the voltage difference between the pins, the pin assignment of the headset is determined and the pin switch unit automatically switches to the correct pins.