Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1979-05-30
1983-05-03
Blum, Theodore M.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
H01J 3150, H01J 4014
Patent
active
043821804
ABSTRACT:
The invention provides a multi stage image intensifier arrangement in which, for any stage, means are provided responsive to the photo current of the stage for discharging capacitance associated with that stage so as to limit the level of current density to which the anode screen of that stage is subjected as a result of a high intensity input flash of light.
REFERENCES:
patent: 2836360 (1958-05-01), Adams
patent: 3665247 (1972-05-01), Gordon
patent: 3976874 (1976-08-01), Lange et al.
Blum Theodore M.
English Electric Valve Company Limited
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