Magnetic focused microchannel plate image intensifier having dyn

Details Magnetic focused microchannel plate image intensifier having dyn Magnetic focused microchannel plate image intensifier having dyn

1977-06-13

1979-01-09

Tokar, M.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

250213VT, G01J 132

Patent

active

041340094

ABSTRACT:
The dynamic range enhancement of the image intensifier is provided by an electrically conductive membrane or mesh which is disposed within the intensifier between the photocathode and the microchannel plate and a pulse width modulator to provide a control signal proportional to the light level adjacent the output window of the intensifier to provide a control signal for the membrane or mesh to control the electron image from the photocathode.

REFERENCES:
patent: 3666957 (1972-05-01), Wyess
patent: 3739178 (1973-06-01), Chow
patent: 3934170 (1976-01-01), Enck et al.

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