Analog-digital converter
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United States of America Patent
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Jun 28, 1988
Issued Date -
N/A
app pub date -
Nov 9, 1983
filing date -
Mar 12, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An analog-digital converter designed to provide digital data by converting analog input voltage signals into pulse signals by a voltage-frequency converter, and counting said pulse signals by a counter, the improvement being that the A-D converter comprises a sequence controller which selectively supplies low-level or high-level input voltage signals to the A-D converter before analog input signals being measured are received therein.
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