Weighing scale with dynamic zero error correction

Details Weighing scale with dynamic zero error correction Weighing scale with dynamic zero error correction

1980-11-24

1982-02-02

Miller, Jr., George H.

Weighing scales

Preset

Responsive to load receiver

177DIG3, G01G 1314

Patent

active

043135102

ABSTRACT:
A weighing scale with an electrical output includes a mechanical-to-electrical signal transducer which has a zero weight signal value which may vary in response to ambient conditions. The scale includes a fast acting switch operable to provide a switching function in response to the initiation of the placement of a weight upon the scale and a weight registering circuit operable in response to the switching function to register and store a zero weight signal before the signal transducer begins sensing the weight. The weight registering circuit is then operable to register the difference between the zero weight signal value and the ultimate signal from the transducer as the true weight.

REFERENCES:
patent: 3777828 (1973-12-01), Dietemeyer
patent: 4029162 (1977-06-01), Krolick et al.
patent: 4044846 (1977-08-01), Matilainen
patent: 4082153 (1978-04-01), Provi
patent: 4094371 (1978-06-01), Ferrell
patent: 4155411 (1979-05-01), Weaver

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