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.

Date of Patent:
Jul. 10, 2007

Filed:

May. 15, 2001
Applicant:

Zezhang Hou, Cupertino, CA (US);

Inventor:

Zezhang Hou, Cupertino, CA (US);

Assignee:

Apherma, LLC, Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Improved approaches to adaptively suppress interfering noise in a multi-microphone directional system are disclosed. These approaches operate to adapt the direction null for the multi-microphone directional system in accordance with a dominant noise source.


Find Patent Forward Citations

Loading…