Method and apparatus for detecting a reduction in the input voltage to a power supply
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United States of America Patent
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Apr 25, 1989
Grant Date -
N/A
app pub date -
Jul 21, 1988
filing date -
Jul 21, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A scheme for detecting reduced source of voltage of a controlled switching power supply including a transformer employs the inherent insolation characteristics of the transformer to yield an isolated alarm signal indicative of a failed or inadequate source voltage.
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