Subscriber line interface circuitry

Details Subscriber line interface circuitry Subscriber line interface circuitry

2007-08-07

2007-08-07

Tieu, Binh K. (Department: 2614)

Telephonic communications

Subscriber line or transmission line interface

Circuitry to provide a coder and decoder function

C379S325000, C379S377000, C379S382000, C379S413020

Reexamination Certificate

active

11093730

ABSTRACT:
A subscriber line interface circuit apparatus includes a signal processor having sense inputs for sensed tip and ring signals of a subscriber loop. The signal processor generates linefeed driver control signals in response to the sensed signals. A linefeed driver provides the sensed tip and ring signals. The linefeed driver drives the subscriber loop in accordance with the linefeed driver control signals.

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