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:
Apr. 24, 2018
Filed:
Jan. 04, 2007
Paul Zimmerman, Wimborne, GB;
Przemyslaw Gostkiewicz, Olsztynek, PL;
Leopoldine Bachelard, Chatillon, FR;
Paul Zimmerman, Wimborne, GB;
Przemyslaw Gostkiewicz, Olsztynek, PL;
Leopoldine Bachelard, Chatillon, FR;
Zodiac Aerotechnics, Plaisir, FR;
Abstract
A breathing mask adapted to be placed over a wearer's face, comprises a mask body including a gas inlet port to be disposed in flow communication with the wearer's breathing passage for flow of a gas in a predetermined flow stream there through upon inhalation by the wearer; a communications microphone () mounted to said mask body to capture the voice of the wearer, said communications microphone generating sound signals; an attenuation device () for attenuating said sound signals; a sound monitor () for monitoring the intensity of sound near the communications microphone in a predetermined frequency range, connected to a controller device () for activating the attenuation device when the sound intensity monitored by the sound monitor is in a predetermined level range.