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:
Jul. 24, 2007
Filed:
Jun. 13, 2002
John C. Heine, Weston, MA (US);
Istvan L. Ver, Stow, MA (US);
William B. Coney, Littleton, MA (US);
Robert D. Preuss, Sagamore Beach, MA (US);
John C. Heine, Weston, MA (US);
Istvan L. Ver, Stow, MA (US);
William B. Coney, Littleton, MA (US);
Robert D. Preuss, Sagamore Beach, MA (US);
BBN Technologies Corp., Cambridge, MA (US);
Abstract
A system () for reducing non-acoustic noise includes a primary sensor (), at least one secondary sensor (), a filter (), and a summation unit (). The primary sensor () measures pressure and produces a primary pressure signal. The at least one secondary sensor () measures pressure and produce a secondary pressure signal. The filter () processes the secondary pressure signal to produce a filtered pressure signal. The summation unit () subtracts the filtered pressure signal from the primary pressure signal to reduce non-acoustic noise in the primary pressure signal.