Magnetic isolation of power sourcing equipment control...

Details Magnetic isolation of power sourcing equipment control... Magnetic isolation of power sourcing equipment control...

2008-02-13

2011-12-13

Fureman, Jared (Department: 2836)

Electrical transmission or interconnection systems

Superimposed unlike currents

Reexamination Certificate

active

08076793

ABSTRACT:
A circuit for providing electrical isolation of Power Sourcing Equipment (PSE) circuitry from external circuitry in a Power over Ethernet (PoE) system has an inductive circuit for providing an isolation barrier to electrically isolate an isolated side of the isolation circuit from a non-isolated side of the isolation circuit. A signal path circuitry is configured for transferring bidirectional and/or unidirectional signals over the isolation barrier between respective nodes at the isolated and non-isolated sides.

REFERENCES:
patent: 2005/0281326 (2005-12-01), Yu
patent: 2006/0164108 (2006-07-01), Herbold
European Office Action issued in European Patent Application No. EP 07 852 890.8-1244 dated May 19, 2011.
John Blyer, “Looking for Ethernet Power? Find the Outlet, Nevermore”, Mar. 2004, XP002515353, retrieved from the Internet: URL:http://www.joejava.com/poe.htm, retrieved on Feb. 12, 2009.
Chinese Office Action, w/ partial English translation thereof, issued in Chinese Patent Application No. CN 200880004872.8, dated May 25, 2011.

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