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 8416964 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 09, 2013

Filed:

Sep. 30, 2009
Applicants:

Michael A. Bryson, Hudsonville, MI (US);

Robert R. Turnbull, Holland, MI (US);

Inventors:

Michael A. Bryson, Hudsonville, MI (US);

Robert R. Turnbull, Holland, MI (US);

Assignee:

Gentex Corporation, Zeeland, MI (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for processing signals for reducing noise components in a vehicular microphone system (A) compares () a plurality of noise component values () for at least one frequency band of plurality of frequency bands. At least one frequency band is then downwardly expanded () by a predetermined expansion ratio () for providing a noise reduced signal () when determining a value is below a predetermined threshold ().


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