Circuit for supervising an electronic electricity meter
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United States of America Patent
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Feb 28, 1984
Grant Date -
N/A
app pub date -
Apr 27, 1981
filing date -
May 2, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In an electronic energy consumption meter using a mark-space amplitude multiplier, including a current-frequency transducer, a first supervisory circuit is coupled to, and supervises the mark-space modulator multiplier, a second supervisory circuit is coupled to, and supervises the current-frequency transducer, and a fault indicator is coupled to the output of each of the supervisory circuits for indicating a fault in the meter.
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