Television receiver with horizontal deflection circuit
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United States of America Patent
Stats
-
Oct 23, 2001
Grant Date -
N/A
app pub date -
Nov 24, 1998
filing date -
Dec 2, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a television receiver comprising a horizontal deflection circuit (2) associated with a flyback transformer (9), the horizontal deflection circuit comprises a switch (6) which is controlled by a control signal (Hdrive) generated by a deflection control circuit (1). The deflection control circuit generates a phase difference signal (Vcomp) which is a function of the phase difference of a horizontal synchronisation pulse and a flyback pulse and generates the control signal (Hdrive) as a continuous function of the phase difference signal (Vcomp). The deflection circuit is further arranged to generate at least one discrete phase jump of the control signal (Hdrive) when the phase difference signal (Vcomp) lies outside of a range of preset values (Vlow, Vhigh).
First Claim
Family
International Classification(s)
Cited Art Landscape
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