Automatic control device for a receiver using a pilot

Details Automatic control device for a receiver using a pilot Automatic control device for a receiver using a pilot

1978-11-15

1981-06-02

Orsino, Jr., Joseph A.

Multiplex communications

Wide area network

Packet switching

333 15, 455234, 455249, 455619, H04J 102

Patent

active

042715032

ABSTRACT:
Disclosed is a device for automatically controlling the gain of a receiving channel in a system comprising optical connections having a very wide pass band.
The useful signal of unknown level is transmitted with a pilot signal of known level through an optical connection, where it undergoes an attenuation, to a receiving assembly connected to an opto-electronic transducer at the output of the optical channel. A device for controlling the gain of the receiving channel commanded by the pilot signal digitally controls an attenuation circuit which thereupon restores the useful signal to its initial level.

REFERENCES:
patent: 2965717 (1960-12-01), Bell
patent: 3328716 (1967-06-01), Fish et al.
patent: 3483334 (1969-12-01), Hermes
patent: 3804995 (1974-04-01), Beckr
patent: 4009350 (1977-02-01), Cabet et al.
patent: 4016557 (1977-04-01), Zitelli et al.
patent: 4070572 (1978-01-01), Summerhayes

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