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Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
June 14, 2016
Patent Application Number
14511517
Date Filed
October 10, 2014
Patent Primary Examiner
Patent abstract
An ultrasonic noise cancelation system can include a communication module configured to receive a noise signal detected by a noise detection module, the noise signal representing a noise sound in a listener environment; a noise cancelation module configured to invert the received noise signal thereby creating an inverse noise signal representing an inverse of the noise sound; and a modulator configured to modulate the inverse noise signal onto an ultrasonic carrier to generate an ultrasonic signal.
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