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. 14, 2009
Filed:
Apr. 20, 2006
Applicant:
Bjørn Winsvold, Tranby, NO;
Inventor:
Bjørn Winsvold, Tranby, NO;
Assignee:
Tandberg Telecom AS, Lysaker, NO;
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and method for detecting cell phone noise induced in telecommunication equipment, especially in microphones and other unshielded electronic units connected to a communication terminal. A noise detector is configured to execute a so-called 'cepstrum' transform of a captured signal exposed to cell phone noise. Due to the characteristics of cell phone radio signals using TDMA, cell phone induced can then easily be detected from the cepstrum transform as peaks at known samples, and noise elimination or attenuation may then be executed on the captured signal when cell phone noise is detected.