Horizontal deflection and high voltage generating circuit

Details Horizontal deflection and high voltage generating circuit Horizontal deflection and high voltage generating circuit

1989-12-22

1991-02-12

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Power supply from deflection circuit source

H01J 2970

Patent

active

049927086

ABSTRACT:
A horizontal deflection and high voltage generating circuit having a horizontal oscillating circuit, a horizontal excitation circuit responsive to an oscillating pulse outputted from the horizontal oscillating circuit, a horizontal output circuit excited by an output of the horizontal excitation circuit, a high voltage output circuit responsive to an oscillating pulse outputted from the horizontal oscillating circuit, which comprises a delay circuit for causing a lag to a leading edge of the oscillating pulse applied from the horizontal oscillating circuit to the horizontal excitation circuit with respect to a leading edge of the oscillating pulse applied from the horizontal oscillating pulse to the high voltage output circuit, the lag being a predetermined delay time, the value of which is set in such a manner that a trailing edge of a horizontal deflection pulse generated by the horizontal output circuit is substantially in agreement with a trailing edge of a high voltage pulse, which is generated by the high voltage output circuit and has a pulse duration larger than a pulse duration of the horizontal deflection pulse generated by the horizontal output circuit.

REFERENCES:
patent: 4442384 (1984-04-01), Maekawa et al.

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