Electron beam control system

Details Electron beam control system Electron beam control system

1981-04-23

1984-03-13

Anderson, Bruce C.

Radiant energy

With charged particle beam deflection or focussing

Magnetic lens

340709, H01J 314, G06M 314

Patent

active

044370083

ABSTRACT:
In an electron beam control system wherein manual adjusting means is used for adjusting currents to flow through two deflection coils which serve to deflect an electron beam in directions of two, x and y axes, respectively; an electron beam control system wherein the manual adjusting means comprises a joy stick type variable resistor which can simultaneously deliver coil deflection signal components in the directions of the two axes through a single operation, and the signal components from the variable resistor are applied to the corresponding deflection coils as adjusting currents.

REFERENCES:
patent: 3729129 (1973-04-01), Zygielbaum et al.
patent: 3757117 (1973-09-01), Muller et al.
patent: 3757120 (1973-09-01), Muller et al.
patent: 4148014 (1979-04-01), Burson
patent: 4313227 (1982-01-01), Eder

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