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. 18, 2017
Filed:
Aug. 17, 2015
Applicant:
B/e Aerospace, Inc., Wellington, FL (US);
Inventor:
Brian Rutherford, Stilwell, KS (US);
Assignee:
B/E Aerospace, Inc., Wellington, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10L 21/0208 (2013.01); H04R 1/08 (2006.01); H04R 3/00 (2006.01); H04R 3/04 (2006.01); A62B 18/08 (2006.01); H04R 1/02 (2006.01);
U.S. Cl.
CPC ...
G10L 21/0208 (2013.01); H04R 1/08 (2013.01); H04R 3/00 (2013.01); H04R 3/04 (2013.01); A62B 18/08 (2013.01); H04R 1/028 (2013.01); H04R 2201/023 (2013.01); H04R 2410/07 (2013.01);
Abstract
An audio filter for a breathing apparatus uses active filtering in a multi-wire system where one or more electrical conductors contain bi-directional signals using multiple stages of active isolation to separate direct current (DC) power, which is then used to bias an active filtering element. Using active signal conditioning or processing elements, the audio filter directionally separates the power and audio components to allow active conditioning or processing of the audio signal.