Vertical deflection system for a television receiver

Details Vertical deflection system for a television receiver Vertical deflection system for a television receiver

H - Electricity

01

J

350/106

H01J 29/70 (2006.01) H03K 4/72 (2006.01) H03K 4/90 (2006.01)

Patent

CA 1086419

VERTICAL DEFLECTION SYSTEM FOR A TELEVISION RECEIVER ABSTRACT of THE DISCLOSURE A vertical deflection system for a televi- sion receiver produces a sawtooth wave signal of a high linearity by high speed charge (or discharge) of a capacitor and a low speed discharge (or charge) thereof at a constant current rate, compares a deflection current flowing in a vertical deflection coil with the sawtooth wave signal in a differential amplifier to correct the deflection current whereby the amplitude and linearity of the vertical deflection are automatically corrected. The amplitude of the vertical deflection can be adjusted without affecting other characteristics.

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