Weight detection circuit for a load cell scale

Details Weight detection circuit for a load cell scale Weight detection circuit for a load cell scale

1982-06-04

1984-10-09

Miller, Jr., George H.

Weighing scales

Self-positioning

Electrical current generating or modifying

7386267, 338 3, G01G 314, G01L 512, G01L 122

Patent

active

044756089

ABSTRACT:
A weight detection circuit for a load cell scale which connects an operational amplifier directly to an-output of a bridge circuit of a load cell so as to simplify a conventional differential amplifier, thereby enabling simplification of the overall weight detection circuit to result in a reduction in manufacturing cost. Furthermore, a bias resistance is connected directly to the bridge circuit for the load cell thereby also to simplify the bias circuit to lead to a further reduction in manufacturing cost.

REFERENCES:
patent: 3831687 (1974-08-01), Maffia et al.
patent: 4177868 (1979-12-01), Sanders et al.

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