Telephone station repeater

Details Telephone station repeater Telephone station repeater

1977-07-26

1978-09-05

Claffy, Kathleen H.

179 81B, H04B 318, H04B 336

Patent

active

041122623

ABSTRACT:
A telephone station repeater is disclosed which will provide bidirectional gain in a long telephone loop at the customer's station. The repeater is powered from the central office battery over the loop and provides gain with very small power consumption and virtually no power consumption when not in use.
The station repeater comprises a negative impedance amplifier including a shunt negative impedance, a series negative impedance and an autotransformer connected in a .pi. configuration. The shunt converter is disconnected when the telephone set is on-hook. The autotransformer provides impedance matching to the telephone set.

REFERENCES:
patent: 2878325 (1959-03-01), Merrill, Jr.
patent: 3141138 (1964-07-01), Oshima et al.
patent: 3384844 (1968-05-01), Meacham
patent: 3503002 (1970-03-01), Valfre
patent: 3521181 (1970-07-01), Bitzer
patent: 3551838 (1970-12-01), Valfre
patent: 3872258 (1975-03-01), Chambers
patent: 3927280 (1975-12-01), Gupta et al.
patent: 3963876 (1976-06-01), Holtz et al.
patent: 4056688 (1977-11-01), Stiefel

Affiliated with

Also associated with

Rating

Telephone station repeater does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2098071