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:
Oct. 13, 2015
Filed:
Aug. 01, 2012
Applicants:
Chia-yu Hung, Hsinchu County, TW;
Tsung-li Yeh, Hsinchu, TW;
Yi-chang Tu, New Taipei, TW;
Inventors:
Assignee:
Realtek Semiconductor Corp., Science Park, HsinChu, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61F 11/06 (2006.01); G10K 11/16 (2006.01); H03B 29/00 (2006.01); H04R 3/02 (2006.01); H04R 3/00 (2006.01);
U.S. Cl.
CPC ...
H04R 3/02 (2013.01); H04R 3/00 (2013.01);
Abstract
A signal processing apparatus for generating a noise cancellation signal in accordance with a noise signal includes an inverting circuit and a selecting circuit. The inverting circuit is employed for inverting a first signal to generate an inverted first signal. The selecting circuit is coupled to the inverting circuit, and employed for selecting one of the first signal and the inverted first signal as an output signal.