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:
Jan. 05, 2010
Filed:
Oct. 11, 2006
Applicants:
Jason Pierce, Dahlonega, GA (US);
Brent Hughes, Cumming, GA (US);
Inventors:
Jason Pierce, Dahlonega, GA (US);
Brent Hughes, Cumming, GA (US);
Assignee:
ARRIS Group, Inc., Suwanee, GA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 3/20 (2006.01); H02H 3/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pair of back-to-back-coupled zener diodes is coupled from the input to the output of each leg of a common mode choke used in a LC circuit for reducing EMI into the power supply of an electrical device. The reversed biased zener diode of each pair breaks down when ringing voltage amplitude resulting from a voltage surge applied at the inputs of the common mode choke exceeds the breakdown threshold voltage of the zener diode. Transorb devices may be substituted for the back-to-back-coupled diode pairs.