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:
Nov. 18, 2014
Filed:
Jul. 20, 2011
Applicant:
André Michaelis, Wedemark, DE;
Inventor:
André Michaelis, Wedemark, DE;
Assignee:
Sennheiser electronic GmbH & Co. KG, Wedemark, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 29/00 (2006.01); H04R 1/10 (2006.01); H04B 15/00 (2006.01);
U.S. Cl.
CPC ...
H04R 1/1016 (2013.01);
Abstract
There is provided an in-ear earphone comprising a housing having at least one electroacoustic transducer, a control unit which outputs a test signal to the electroacoustic reproduction transducer for reproduction, and a tightness measuring unit for measuring a parameter representative of the tightness of a fit of the earphone in an ear canal. The control unit is adapted to output a second audio signal as confirmation of a tight fit of the earphone to the electroacoustic reproduction transducer for reproduction.