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:
Jul. 03, 2012
Filed:
Jan. 17, 2007
Applicant:
Agnes Woo, Encino, CA (US);
Inventor:
Agnes Woo, Encino, CA (US);
Assignee:
Broadcom Corporation, Irvine, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 9/00 (2006.01); H02H 3/22 (2006.01); H02H 9/06 (2006.01); H02H 1/00 (2006.01); H02H 1/04 (2006.01); H01C 7/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A Power over Ethernet electrostatic discharge protection circuit has a first diode with an anode coupled to a positive power port and a cathode coupled to an ESD protection port. A second diode has an anode coupled to ground and a cathode coupled to the positive power port. A third diode has an anode coupled to a negative power port and a cathode coupled to the ESD protection port.