Liquid meter comprising a circuit for reducing a detection error

Details Liquid meter comprising a circuit for reducing a detection error Liquid meter comprising a circuit for reducing a detection error

1979-11-14

1981-12-22

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Using rotating member with particular electrical output or...

G01F 108

Patent

active

043064574

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.

REFERENCES:
patent: 3699320 (1972-10-01), Zimmerman et al.
patent: 3780579 (1973-12-01), Barnard
patent: 3866028 (1975-02-01), Schontzler
patent: 3965341 (1976-06-01), Honey et al.
patent: 4118780 (1978-10-01), Hirano

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