Optical pulse demodulator

Details Optical pulse demodulator Optical pulse demodulator

1975-01-30

1976-05-04

Wilbur, Maynard R.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

With radiant energy sensitive control means

315 12R, 329108, H01J 3148

Patent

active

039551172

ABSTRACT:
A fast scanning optical cathode ray tube with an array of electron multiplier output channels across the sweep path provides demodulation of short pulse code modulated optical signals. The cathode ray tube includes a photocathode, accelerating grid and fast sweep deflection electrodes to direct electron pulses successively across the plurality of output channels. The scanning is synchronized with the repetition rate and time of the incoming light pulses so that each channel accepts only pulses occurring during a particular time interval of the scan.

REFERENCES:
patent: 3333145 (1967-07-01), Nielsen

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