Horizontal deflection-high voltage circuit
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United States of America Patent
Stats
-
Sep 11, 1990
Issued Date -
N/A
app pub date -
Jan 26, 1989
filing date -
Jan 29, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A source-voltage controlling high voltage stabilizer for detecting the high voltage and controlling the source voltage, while providing a detector detecting the envelope of a horizontal deflection current, wherein the deflection current is stabilized as the voltage distribution of two scanning capacitors in a diode modulation type output stage and is so controlled that a coincidence is attained between the wave form of the output signal and that of the horizontal deflection current modulation signal. The source voltage supplied to the input side of the flyback transformer is controlled in such a manner that the high voltage obtained from the output side of the flyback transformer is maintained constant, and the circuit further has a variation detector for detecting the variation in the source voltage, wherein the detected variation component is applied to one of the junctions of the modulation coil.
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