Systems and methods operable to allow loop powering of...

Details Systems and methods operable to allow loop powering of... Systems and methods operable to allow loop powering of...

2005-08-19

2009-11-17

Connolly, Mark (Department: 2116)

Electrical computers and digital processing systems: support

Computer power control

C713S340000

Reexamination Certificate

active

07620825

ABSTRACT:
Embodiments of the present invention provide a network device operable to receive a network signal that may include both power and data from a coupled network. This network device includes a network connector and an integrated circuit. The network connector physically couples the network device to the network. An optional protection circuit may provide surge protection or incoming network signals received by the network device through the network connector. An optional switching/rectifying circuit sees the output of the protection circuit and is operable to rectify a power signal when contained within the network signal. The integrated circuit further includes a power feed circuit conductively coupled to the protection circuit and the rectifying circuit. This power feed circuit is operable to separate and pass the received data signal to a network physical layer and separate and pass the received power signal to a power management module. The power management module electrically couples to the integrated circuit but is not necessarily part of the integrated circuit. The power management module is operable to at least partially power the network device for specific circuits within the network device from the received power signal.

REFERENCES:
patent: 5179586 (1993-01-01), Lee
patent: 2002/0149034 (2002-10-01), Sakiyama et al.
patent: 2002/0191553 (2002-12-01), Lehr et al.
patent: 2004/0232768 (2004-11-01), Hung et al.
patent: 2005/0246557 (2005-11-01), Vanzante

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