Magnifying image intensifier

Details Magnifying image intensifier Magnifying image intensifier

1976-04-28

1978-01-24

Chatmon, Jr., Saxfield

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

313 94, 313442, H01J 3150, H01J 3912

Patent

active

040705749

ABSTRACT:
An improvement in a magnetically focused image intensifier for increasing the usable range of magnification without degradation of image quality and while keeping to a minimum the power requirements of the focusing coils. The improvement comprises an arrangement of focusing coils which reverses the direction of the axial magnetic field distribution between the planes of the photocathode and the phosphor screen.

REFERENCES:
patent: 2727182 (1955-12-01), Francken
patent: 2917645 (1959-12-01), Fries
patent: 2950405 (1960-08-01), Poole
patent: 3286114 (1966-11-01), Schlesinger
patent: 3801849 (1974-04-01), Edgecumbe

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