Waveform disturbance detection apparatus and method
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United States of America Patent
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Sep 15, 1987
Grant Date -
N/A
app pub date -
May 28, 1985
filing date -
May 28, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A waveform disturbance detection apparatus for detecting disturbances in alternating current electromagnetic energy waveform, the alternating current electromagnetic energy waveform having a plurality of periodic, substantially similar cycles. The detection apparatus comprises converter means for sampling the electromagnetic energy waveform, generating a plurality of samples, and converting the samples into digital signals. The detection apparatus also comprises processing means for evaluating the digital signals so as to detect disturbances in the electromagnetic energy waveform, wherein the processing means detects the disturbances by comparing a particular one of the digital signals that represents a particular one of the samples in a particular one of the cycles with a corresponding one of the digital signals that represents a corresponding one of the samples from the remaining cycles.
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