Load cell

Details Load cell Load cell

1987-11-30

1989-03-28

Miller, Jr., George H.

Weighing scales

Computer

Electrical

177211, 177255, 73 1B, G01G 1940, G01G 314, G01G 2301, G01L 2500

Patent

active

048155470

ABSTRACT:
A digital load cell includes a rocker pin, guided beam, torsion ring or other counterforce, a circuit board mounted on the counterforce and an enclosure sealing the circuit board and all but the load bearing surfaces of the counterforce. The circuit board includes an A/D converter and a microcomputer. Digital communication is provided with the circuit board through a connector mounted on the enclosure. Weight data are corrected digitally. The load cell may be calibrated, characterized, controlled and monitored without physically penetrating the enclosure. One or a number of digital load cells may be connected to a computer or controller to form one or more weighing scales.

REFERENCES:
patent: 3621927 (1971-11-01), Ormond
patent: 3891870 (1975-06-01), Corbett
patent: 4248317 (1981-02-01), Rahav
patent: 4703216 (1987-10-01), Corbett
patent: 4738324 (1988-04-01), Borchard

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