Electronic balance

Details Electronic balance Electronic balance

1981-04-28

1983-02-08

Hartary, Joseph W.

Weighing scales

Self-positioning

Repositioning in response to deflection under load

177210EM, G01G 702

Patent

active

043724060

ABSTRACT:
An electronic balance includes a system in which a current supplied to a force coil in response to a load applied to the balance is caused to alternate in direction at such a time interval as to permit of no oscillations and in which the measured value is obtained by subtracting the product of the current in the negative direction and a time fraction t.sub.2 for which the same flows from the product of the current in the positive direction and a time fraction t.sub.1 for which the same flows, the sum of said time fractions t.sub.1 and t.sub.2 being equal to each of said time intervals.

REFERENCES:
patent: 4245711 (1981-01-01), Kunz

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