Electronic weight measuring device

Details Electronic weight measuring device Electronic weight measuring device

G - Physics

01

G

265/5

G01G 3/14 (2006.01)

Patent

CA 1097702

Abstract of the Disclosure Disclosed is an electronic weight measuring device which comprises a load cell to produce a voltage signal corresponding to the weight of load applied, and amplifier circuit for amplifying the output signal of the load cell, an A/D converter circuit for con- verting the output signal of the amplifier circuit into a digital signal, a counter for counting the number of clock pulses cor- responding to the output signal of the A/D converter circuit, a microcomputer for deriving a weight indication signal from the count output signal of the counter, and a display unit for display- ing the weight indicating signal from the microcomputer. The electronic weight measuring device further includes a bias circuit to apply a bias voltage to the amplifier circuit so as to reduce to a zero level the output signal produced from the amplifier circuit when it has received from the load cell an output signal corresponding to 1/2 of the rated weight, and the A/D converter circuit produces a digital output signal corresponding to the absolute value of a positive or negative output signal from the amplifier circuit.

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