Hydraulic bellow type scale

Details Hydraulic bellow type scale Hydraulic bellow type scale

1981-08-28

1983-01-04

Miller, Jr., George H.

Weighing scales

Self-positioning

Electrical current generating or modifying

177209, G01G 314, G01G 504

Patent

active

043668763

ABSTRACT:
A hydraulic bellow type scale comprises a scale body, a plurality of hydraulic bellows, a variable capacitor, an integrated circuit and a display unit. By means of the pressure in the hydraulic bellow, the weight of an object on a pan of the scale body is transmitted in terms of force for the variable capacitor to translate into a capacitance signal. The capacitance signal is further calculated by the integrated circuit. The weight and price thus calculated are displayed by the display unit.

REFERENCES:
patent: 3947692 (1976-03-01), Payne
patent: 4306629 (1981-12-01), Powell

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