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. 11, 2014
Filed:
Oct. 08, 2009
Applicants:
Joerg Andres, Neustadt, DE;
Dirk Reymann, Hambühren, DE;
Inventors:
Joerg Andres, Neustadt, DE;
Dirk Reymann, Hambühren, DE;
Assignee:
Sennheiser electronic GmbH & Co. KG, Wedemark, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 17/00 (2006.01); H04B 1/10 (2006.01); H03G 3/34 (2006.01);
U.S. Cl.
CPC ...
H04B 1/1027 (2013.01); H03G 3/341 (2013.01);
Abstract
An IR receiver having a decision logic circuit for activating or deactivating a squelch. Activation or deactivation of the squelch is effected in dependence on a mean value of the frequency, a variance of the receiver intermediate frequency, a mean value of the audio amplitude, a variance of the audio amplitude and/or a signal strength of the receiver intermediate circuit frequency.