Apparatus and method for programmable line interface...

Details Apparatus and method for programmable line interface... Apparatus and method for programmable line interface...

2006-07-04

2006-07-04

Kuntz, Curtis (Department: 2643)

Telephonic communications

Subscriber line or transmission line interface

C379S403000, C379S404000, C379S413010

Reexamination Certificate

active

07072463

ABSTRACT:
A line interface capable of connecting to a variety of transport mediums, each having a different impedance. The line interface comprises a programmable resistor. The programmable resistor along with an external resistor provide a range of resistor values which are used to substantially match the impedance requirements of the various transport mediums.

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patent: 6330138 (2001-12-01), Kwon
patent: 6553117 (2003-04-01), Armistead et al.
patent: 6611580 (2003-08-01), Dahan et al.
patent: 6665399 (2003-12-01), Gorcea et al.

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