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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.:

US 9549257 B1

PDFFull Text
Date of Patent:
Jan. 17, 2017

Filed:

Mar. 27, 2014

Feedback cancellation for vehicle communications system

Applicant:

Pinnacle Peak Holding Corporation, Austin, TX (US);

Inventors:

Steve B. Hall, Austin, TX (US);

James P. Roberts, Austin, TX (US);

Samuel W. Grove, Austin, TX (US);

Assignee:

Pinnacle Peak Holdings Corporation, Austin, TX (US);

Attorney:

Faegre Baker Daniels LLP

Primary Examiner:

Alexander Jamal

Int. Cl.
CPC ...
A61F 11/06 (2006.01); G10K 11/16 (2006.01); H03B 29/00 (2006.01); H04R 3/02 (2006.01); H04R 1/10 (2006.01); H04R 3/12 (2006.01); H04R 5/02 (2006.01);
U.S. Cl.
CPC ...
H04R 3/02 (2013.01); H04R 1/1083 (2013.01); H04R 3/12 (2013.01); H04R 5/023 (2013.01); H04R 2410/05 (2013.01); H04R 2499/13 (2013.01);
Abstract

The present disclosure relates to a system and method of cancelling feedback in a vehicle communications system. The system and method may adjust a phase and a polarity of the microphone signal to produce an inverted microphone signal having a shifted phase. A speaker signal may be summed with the inverted microphone signal to cancel out at least a portion of a microphone signal component of the speaker signal.

Find Patent Forward Citations

Hall, Steve. (2017). Feedback cancellation for vehicle communications system (U.S. Patent No. 9549257). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9549257

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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