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:
Jun. 20, 2017
Filed:
Mar. 01, 2012
Applicants:
Qichang Wu, Shanghai, CN;
Daniel Bogard, Austin, TX (US);
Shun Qian, Shanghai, CN;
Inventors:
Assignee:
Tempo Semiconductor, Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/00 (2006.01); H04R 29/00 (2006.01); H04R 3/00 (2006.01); H04R 3/02 (2006.01);
U.S. Cl.
CPC ...
H04R 3/02 (2013.01);
Abstract
An audio processing integrated circuit chip, such as codec chip, includes at least one port output circuit configured to generate an audio signal to drive an external audio device and a PC beep circuit configured to receive a PC beep signal and to apply the received PC beep signal to an input of the at least one port output circuit. The chip further includes a control circuit configured to detect activity of the PC beep signal and to enable and/or disable the at least one port output circuit responsive to the detected activity.