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. 05, 2016
Filed:
Oct. 22, 2013
Airbus Helicopters, Marignane, FR;
Julien Caillet, Les Pennes Mirabeau, FR;
Franck Marrot, La Ciotat, FR;
AIRBUS HELICOPTERS, Marignane, FR;
Abstract
A noise treatment device (D) comprising at least one local noise sound sensor () and at least one sound system having a support () and at least one sound actuator ('). The device also includes a position sensor for determining the position of a person's head, at least one treatment unit (′) connected to the local noise sound sensor to receive a local noise signal and configured to deliver a control signal to each sound actuator (′), the control signal being a function of the local noise signal and of at least one transfer function per ear, and active matching means () co-operating with the position sensor in order to keep each transfer function used in preparing each control signal representative of the path to be traveled by the anti-noise.