Deflection waveform correction signal generator

Details Deflection waveform correction signal generator Deflection waveform correction signal generator

1974-09-27

1976-10-05

Wilbur, Maynard R.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315371, 315408, H01J 2970, H01J 2956

Patent

active

039847292

ABSTRACT:
Cascaded multipliers are coupled to a source providing a periodic sawtooth deflection waveform, the amplitude of which varies with variations in the high voltage applied to an accelerating anode of a kinescope. The sawtooth signal is cubed by the cascaded multipliers and multiplied by the inverse square of a voltage which varies with changes in the kinescope anode potential. The system thus incorporates S-correction and means for correcting the deflection waveform to compensate for changes in the high voltage supplied to the kinescope anode.

REFERENCES:
patent: 3191090 (1965-06-01), Vitt, Jr. et al.
patent: 3668463 (1972-06-01), Smith et al.
patent: 3819979 (1974-06-01), Truskalo

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