Electronic weight measuring device

Details Electronic weight measuring device Electronic weight measuring device

G - Physics

01

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265/5, 73/70

G01G 3/14 (2006.01) G01G 3/147 (2006.01) G01G 23/16 (2006.01) G01G 23/37 (2006.01)

Patent

CA 1136166

- 23 - Abstract of the Disclosure Disclosed is an electronic weight measuring device including a load cell producing an output voltage varying from -VX to O according to the weight of load, a bias circuit producing a variable bias voltage Vx, a voltage generator receiving the output voltages from the load cell and bias circuit and producing an output voltage varying within a range from -1/2 Vx to +1/2 Vx, and an analog-digital converter for converting the out- put voltage from the voltage generator. This electronic weight measuring device further includes a zero point setting circuit coupled to the load cell and bias cir- cuit and applying an output voltage varying with the output voltage from the bias circuit to the load cell, so that the no-load output voltage of the load cell is kept at substantially O volt.

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