Method and apparatus for measuring time intervals between electrical signals
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United States of America Patent
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Nov 9, 1999
Grant Date -
N/A
app pub date -
May 13, 1997
filing date -
May 13, 1997
priority date (Note) -
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Abstract
A method and apparatus for measuring time intervals between electrical signals. A coincidence detection circuit is adapted to detect coincidence or near coincidence of two signals and to provide for selection from a plurality of predetermined delays to remove the coincidence. If the two input signals are periodic and have the same frequency, the apparatus also provides a signal from which both the time delay between the signals and the period of the signals may be determined at substantially the same point in time.
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