Subscriber line interface circuit

Details Subscriber line interface circuit Subscriber line interface circuit

2006-10-31

2006-10-31

Kuntz, Curtis (Department: 2614)

Telephonic communications

Subscriber line or transmission line interface

Power supply

C379S416000

Reexamination Certificate

active

07130416

ABSTRACT:
A subscriber line interface circuit (1′) for supplying line current (IL′) to a two-wire transmission line connected to a load (RL′), comprises a single current amplifier (3′). That single current amplifier (3′) is to be connected with its output terminal to one (B′) of the wires (A′, B′) of the transmission line, while the other wire (A′) of the transmission line is to be connected to a voltage source (V1′) that can be provided within the subscriber line interface circuit (1′) or external thereto.

REFERENCES:
patent: 4272656 (1981-06-01), Nishikawa
patent: 4317963 (1982-03-01), Chea, Jr.
patent: 4803721 (1989-02-01), Schingh
patent: 5097223 (1992-03-01), Alexander
patent: 5249226 (1993-09-01), Schopfer
patent: WO99/27704 (1999-06-01), None

Affiliated with

Also associated with

Rating

Subscriber line interface circuit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Subscriber line interface circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Subscriber line interface circuit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3693650