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:
Aug. 04, 1998
Filed:
Apr. 09, 1997
Applicant:
Inventor:
William E Gossman, Oakton, VA (US);
Assignee:
Noise Cancellation Technologies, Inc., Linthicum, MD (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ; H03B / ;
U.S. Cl.
CPC ...
381 711 ; 381 712 ; 381 717 ; 381 7111 ;
Abstract
A system and method for using active algorithmically controlled sensing (1a, 1b) and speaker (2a, 2b) for controlling noise from a distributed noise source (5) within an enclosure (6) with a multiple input, multiple output controller (7).