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:
Aug. 09, 2016
Filed:
Feb. 08, 2016
Doppler Labs, Inc., San Francisco, CA (US);
Jeff Baker, Newbury Park, CA (US);
Dan Wiggins, Montecito, CA (US);
Anthony Parks, Queens, NY (US);
Thomas Ezekiel Burgess, North Hollywood, CA (US);
Matthew Fumio Yamamoto, Moorpark, CA (US);
Sal Garcia, Camarillo, CA (US);
Chris Caronna, Ventura, CA (US);
James Dexter Tickle, Moorpark, CA (US);
Doppler Labs, Inc., San Francisco, CA (US);
Abstract
Non-occluding active noise suppression apparatus and methods are disclosed. A housing includes an inlet to admit ambient sound and an outlet to output personal sound to the ear of a user. An acoustic path and an electronic path are provided from the inlet to the outlet within the housing. For a predetermined frequency range, a phase difference between the acoustic path and the electronic path is substantially 180 degrees.