Infrared vidicon system

Details Infrared vidicon system Infrared vidicon system

1976-11-22

1977-12-13

Dixon, Harold A.

Radiant energy

Infrared-to-visible imaging

250333, 250342, H01J 3149

Patent

active

040630935

ABSTRACT:
An infrared vidicon system having capacitive type target elements is provided with a means for modulating the target scene with a duty cycle of less than 50% and the reading of the target scene in a predetermined sequence when modulation is not being applied to the vidicon tube. The sequentially read target scene is stored and continuously played back to prevent flicker. This operation allows signal buildup, because the target scene is not discharged every frame.
This vidicon system also reduces the non-uniformity of responsivity across the surface of the target of the tube by illuminating the target by an adjustable uniform source of infrared radiation.

REFERENCES:
patent: 3239672 (1966-03-01), Gabloffsky
patent: 3774043 (1973-11-01), LeCarvennec

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