Liquid meter comprising a circuit for reducing a detection error resulting from a variable flow rate
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United States of America Patent
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Dec 22, 1981
Grant Date -
N/A
app pub date -
Nov 14, 1979
filing date -
Nov 17, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A meter for a liquid, such as water, comprises a measuring circuit (55) for measuring those measuring periods in response to a detection pulse sequence resulting from rotation of a body (30) rotated by the liquid, each of which may be defined either by a period of one complete rotation of the body or a predetermined interval, such as six seconds. The circuit produces measurement signals representative of individual amounts of the liquid used with the individual amounts accompanied by detection errors resulting from a variable flow rate of the liquid. A totalizing circuit (61), which may comprise an ROM or consist of a microcomputer, totalizes the individual amounts with the detection errors reduced.
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