Telephone carrier system repeater and power supply

Details Telephone carrier system repeater and power supply Telephone carrier system repeater and power supply

1981-02-17

1983-07-05

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

455 7, 455 63, 455 68, 179170R, H04J 110

Patent

active

043922252

ABSTRACT:
A signal-amplifying telephone carrier repeater which is automatically self-adjusting for both cable length and cable gauge in a plural channel, frequency division multiplexed, amplitude modulated carrier system. Also disclosed herein is a subscriber power supply which delivers sufficient power to the subscriber terminal load despite variations in load current due to changes in the number of channels in the carrier system. The power supply also has a back-up unit which operates to deliver power to the load in the event that a fault occurs in the primary supply.

REFERENCES:
patent: 2876283 (1959-03-01), Lundry
patent: 3423535 (1969-01-01), Hochgraf et al.
patent: 4242542 (1980-12-01), Kimbrough

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