High voltage current regulator
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United States of America Patent
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-
Jan 12, 1988
Grant Date -
N/A
app pub date -
Dec 22, 1986
filing date -
Dec 22, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A high voltage power supply current regulator includes at least one high voltage rectifier diode having a plurality of pn junctions, said diode being adapted to be connected between a high voltage power supply whose current is to be regulated and a load such that the diode is reverse biased. A control circuit, operating at a voltage which is relatively low compared with the power supply voltage, controls the reverse current through the diode to the load. The reverse current constitutes the load current. The control circuit includes a light source for illuminating the pn junctions of the diode with a predetermined flux of photons, the reverse current through the diode being a function of the photon flux on the diode junctions.
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