Device for obtaining and switching high voltages applied to X-ray tube electrodes
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United States of America Patent
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Apr 6, 1993
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N/A
app pub date -
Oct 8, 1991
filing date -
Oct 9, 1990
priority date (Note) -
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Abstract
Disclosed is a device that can be used to obtain voltages for the biasing of the electrodes used to deflect the electron beam emitted by a cathode of an X-ray tube. Four DC voltages .+-.V.sub.1 and .+-.V.sub.2 are generated and applied to a mixing circuit in which they are added by using diodes to floating reference pulse voltages .+-.V.sub.3 so as to obtain voltages VS.sub.1, VS.sub.2, VS'.sub.1, VS'.sub.2 for the charging of capacitors such that: VS.sub.1 =V.sub.3 -V.sub.1 and VS.sub.2 =-V.sub.3 +V.sub.2 VS'.sub.1 =-VS.sub.3 +V.sub.2 and VS'.sub.2 =V.sub.3 -V.sub.1
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