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. 19, 2022
Filed:
Dec. 14, 2018
Ams Ag, Premstaetten, AT;
Peter McCutcheon, Premstaetten, AT;
AMS AG, Premstätten, AT;
Abstract
A noise cancellation enabled audio device, in particular a headphone, comprises a speaker which is arranged within the audio device and which has a preferential side for sound emission. The audio device further comprises a first cavity enclosing a first volume of air, where the first cavity is arranged at the preferential side for sound emission of the speaker, and an error microphone which is arranged within a second cavity within the audio device. The first cavity comprises a first opening to the outside of the audio device and the second cavity comprises a second opening to the outside of the audio device. The first and the second opening are both arranged on a side of the audio device which is arranged to face an ear canal of a user. Furthermore, a noise cancellation system is provided.