US2007201686A1PendingUtilityA1
Subscriber Line Interface Circuitry
Est. expiryApr 22, 2019(expired)· nominal 20-yr term from priority
H04M 19/005H04M 3/04H04M 19/00H04M 3/005H04M 3/2272H04M 1/745H04M 1/738
58
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0
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Claims
Abstract
An integrated circuit having sense inputs for a sensed tip signal and a sensed ring signal of a subscriber loop is disclosed. The integrated circuit processes the sensed signals to generate a control signal for a subscriber loop linefeed driver.
Claims
exact text as granted — not AI-modified1 . An apparatus comprising: an integrated circuit having sense inputs for a sensed tip signal and a sensed ring signal of a subscriber loop, wherein the integrated circuit processes the sensed signals to generate an analog control signal for a subscriber loop linefeed driver.
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