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. 07, 2016
Filed:
Mar. 09, 2012
Applicants:
Ren LI, San Diego, CA (US);
Kwokleung Chan, San Diego, CA (US);
Inventors:
Ren Li, San Diego, CA (US);
Kwokleung Chan, San Diego, CA (US);
Assignee:
Qualcomm Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 11/06 (2006.01); H04M 9/08 (2006.01); G06F 1/16 (2006.01);
U.S. Cl.
CPC ...
H04M 9/082 (2013.01); G06F 1/1694 (2013.01);
Abstract
A method includes receiving an ultrasound signal at an ultrasound receiver from an ultrasound transmitter. The method also includes detecting movement of at least one object based on the received ultrasound signal and at least one previously received ultrasound signal. The method further includes modifying a parameter of an acoustic echo canceller in response to the detected movement.