Power supplying system for terminal

Details Power supplying system for terminal Power supplying system for terminal

1994-07-13

1996-06-25

Hofsass, Jeffery

Telephonic communications

Subscriber line or transmission line interface

Network interface device

379399, 379412, 323324, 323246, H04M 1906

Patent

active

055307485

ABSTRACT:
A power supplying system is adapted to a subscriber terminating equipment that supplies power to a subscriber terminal equipment based on a supply of power from an external power supply part. The power supplying system includes an excess current limiting circuit stopping a supply of power within the subscriber terminating equipment when an excess current is generated in the supply of power from the external power supplying part, and an excess current detection circuit detecting an excess current state.

REFERENCES:
patent: 4147970 (1979-04-01), Okuda et al.
patent: 4380687 (1983-04-01), Stewart
patent: 4425512 (1984-01-01), Tomooka et al.
patent: 4710699 (1987-12-01), Miyamoto

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