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:
Jun. 21, 2016
Filed:
Feb. 01, 2012
Applicants:
Martin Streitenberger, Hannover, DE;
Hatem Foudhaili, Hannover, DE;
André Grandt, Wedemark, DE;
Inventors:
Assignee:
Sennheiser electronic GmbH & Co. KG, Wedemark, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10K 11/16 (2006.01); G10K 11/178 (2006.01); H04R 1/10 (2006.01); H04R 5/033 (2006.01);
U.S. Cl.
CPC ...
G10K 11/16 (2013.01); G10K 11/178 (2013.01); G10K 11/1788 (2013.01); H04R 1/1083 (2013.01); G10K 2210/1081 (2013.01); H04R 5/033 (2013.01); H04R 2460/01 (2013.01);
Abstract
An earphone including at least one microphone, an analog pre-emphasis filter for pre-emphasis of the microphone signal, an AD-converter for digitizing the output signal of the pre-emphasis filter, an active noise compensation unit for performing active noise compensation based on the pre-emphasized and digitized output signal of the microphone and for outputting a counter sound signal, and a DA-converter for performing analog/digital conversion of the counter sound produced by the active noise compensation unit.