Current sense circuit in a line powered network element

Details Current sense circuit in a line powered network element Current sense circuit in a line powered network element

2006-09-26

2006-09-26

Harold, Jefferey F. (Department: 2614)

Telephonic communications

Subscriber line or transmission line interface

Power supply

C379S399010, C379S322000

Reexamination Certificate

active

07113591

ABSTRACT:
Managing line power for network elements in an access network. In one embodiment a current sense system in a line power network is disclosed. The current sense system includes a power supply, a splitter and a sense circuit. The power supply is adapted to supply output current to a twisted pair drop. The splitter is adapted to combine communication signals and the output current on a twisted pair drop. The sense circuit is coupled to sample the output current of the power supply between the power supply and the splitter. The sense circuit is further adapted to output a sense signal that is representative of the output current.

REFERENCES:
patent: 5953237 (1999-09-01), Indermaur et al.
patent: 6199180 (2001-03-01), Ote et al.
patent: 6208714 (2001-03-01), Brablec
patent: 6606383 (2003-08-01), Robinson et al.
patent: 6647116 (2003-11-01), Gay
patent: 6825726 (2004-11-01), French et al.
patent: 2002/0126833 (2002-09-01), Youngblood
patent: 2003/0185385 (2003-10-01), Boudreaux et al.

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