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Remotely Controlled Receiver for Radiotelephone Systems

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1 Author(s)
Fischer, H.B. ; Bell Telephone Laboratories, Inc., New York, N.Y.

New radio receiving equipment for shore station used in ship-to-shore telephone circuits has been developed. This equipment is designed to operate on a remotely attended basis and may be located a considerable distance from the telephone terminal equipment. The radio receiver forming a part of the equipment has a codan circuit which operates reliably under high noise conditions and does not require adjustments to compensate for variations in the noise level. An emergency battery. power-supply system is provided which is automatically connected to the receiver when the primary alternating-current power supply fails. Power failures are indicated at the telephone central office. A test oscillator which is controlled from the telephone central office is provided which may be used to check the operation of the receiver or to measure the frequency deviations of the incoming signals. The various apparatus units are mounted in two weatherproof cabinets which may be fastened to the same telephone pole which supports the receiving antenna.

Published in:

Proceedings of the IRE  (Volume:27 ,  Issue: 4 )