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 7020288 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 28, 2006

Filed:

Aug. 17, 2000
Applicant:

Toshihiko Ohashi, Osaka, JP;

Inventor:

Toshihiko Ohashi, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 11/06 (2006.01); G10K 11/16 (2006.01); H03B 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An active noise control system includes a source unit for generating regenerative signals, an ANC unit for processing signals so as to actively cancel noise, sensors for detecting the information on the inside and outside of a vehicle, a vehicle interior voice discriminating unit for discriminating voice of conversation generated in the vehicle interior, an amplifier for amplifying the signals processed by ANC unit and reproducing transducers for reproducing the signals amplified by the amplifier.


Find Patent Forward Citations

Ohashi, Toshihiko. (2006). Noise reduction apparatus (U.S. Patent No. 7020288). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7020288

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

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