Horizontal deflection output circuit

Details Horizontal deflection output circuit Horizontal deflection output circuit

1979-05-23

1980-12-09

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315399, H01J 2970, H01J 2976

Patent

active

042387140

ABSTRACT:
In a horizontal deflection output circuit in which a horizontal output transistor, a damper diode and a resonance capacitor are respectively connected in series with a horizontal deflection coil, a series circuit of a resistor and a capacitor is connected with the damper diode and a second diode is connected with the resistor. The time constant of the series circuit is so chosen that the second diode starts conducting current at the beginning of the horizontal scanning period, and therefore the horizontal deflection current flows through the second diode at the beginning of the horizontal scanning period so that the linearity of the horizontal deflection current can be prevented from degrading immediately after the beginning of the horizontal scanning period.

REFERENCES:
patent: 4019093 (1977-04-01), Klein
patent: 4122363 (1978-10-01), Zappala et al.

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