Radiant energy – Ionic separation or analysis – Static field-type ion path-bending selecting means
Patent
1976-03-22
1977-04-19
Murray, Richard
Radiant energy
Ionic separation or analysis
Static field-type ion path-bending selecting means
H04B 900
Patent
active
040190480
ABSTRACT:
An optical pulse stream regenerator includes an optical receiver, a decision and timing circuit, and an optical transmitter. In response to an incident optical data pulse stream, a variable gain receiver section produces an electrical data pulse stream representing the incident optical data pulse stream. The receiver section is stabilized by having different variable gain devices respond to separate ranges of an automatic gain control signal. In response to the receiver section electrical data pulse stream, a phase-lock frequency-lock circuit in the timing circuit recovers a clock pulse stream that is synchronized with the incident optical data pulse stream, and the decision circuit regenerates an electrical data pulse stream representing the incident optical data pulse stream. In the transmitter section, an injection laser is controlled by the regenerated electrical data pulse stream and by a prebias signal that is established in response to the difference between a signal representing the optical output power of the laser and a signal representing the regenerated electrical data pulse stream. The injection laser regenerates an output optical data pulse stream representing the incident optical data pulse stream.
REFERENCES:
patent: 3801819 (1974-04-01), Ohnsorge
patent: 3943358 (1976-03-01), Reymond et al.
Maione Theodore Lincoln
Radcliffe Frederick Enyeart
Sell Darrell Dean
Wolaver Dan Holden
Bell Telephone Laboratories Incorporated
Havill Richard B.
Murray Richard
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