Control system for deflecting an electron beam

Details Control system for deflecting an electron beam Control system for deflecting an electron beam

1977-10-14

1980-04-08

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315365, 315395, H01J 2970, H01J 2972

Patent

active

041974867

ABSTRACT:
An electron beam deflection control system includes a first signal generation circuit which generates a triangular signal varying at a comparatively low speed, a second signal generation circuit which generates a stepped signal varying at a comparatively high speed, and a switching arrangement to change over the first and second signal generation circuits and to drive one of them, whereby the signal from the generation circuit selected by the switching arrangement is used as a deflection signal for an electron beam.

REFERENCES:
patent: 3937879 (1976-02-01), Jensen
patent: 4019090 (1977-04-01), Wolff et al.

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