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:
Sep. 19, 2006
Filed:
Mar. 27, 2000
Applicants:
William Richard Saunders, Blacksburg, VA (US);
Michael Allen Vaudrey, Columbia, SC (US);
Inventors:
William Richard Saunders, Blacksburg, VA (US);
Michael Allen Vaudrey, Columbia, SC (US);
Assignee:
Adaptive Technologies, Inc., Blackburg, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 11/06 (2006.01); H03B 29/00 (2006.01); G10K 11/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
An improved active noise reduction system which has a transducer, an electro-acoustic sensing means including adjacent to the transducer, an attenuation means with electro-acoustic sensing means to attenuate selected sound frequencies, said system utilizing both feed forward control means and feedback control means comprising a heteronomous electronic controller with algorithmic transfer function and said controller being individually operable.