Frequency measuring system
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United States of America Patent
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Feb 18, 1992
Grant Date -
N/A
app pub date -
Feb 20, 1990
filing date -
Feb 20, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The disclosure is of a system for measuring the frequency of an audio signal by converting the signal to a rectangular wave, counting the number of oscillator pulses which can be generated during one cycle of said wave and decoding the number of pulses to obtain the frequency of the audio signal.
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