Weighing devices

Details Weighing devices Weighing devices

1975-07-14

1976-11-16

Hartary, Joseph W.

Weighing scales

Self-positioning

Electrical current generating or modifying

177229, 235 92WT, 340195, G01G 308, G01G 700

Patent

active

039918408

ABSTRACT:
A top loading weigh balance is described which comprises a platform supported by a plurality of resilient suspension devices. Each suspension device is associated with a transducer connected in a resonant circuit of an oscillator, the transducers being arranged to vary the output frequency of the oscillator in accordance with the overall change in displacement of the suspension devices, and hence the load.

REFERENCES:
patent: 2414224 (1947-01-01), Douglas
patent: 2457727 (1948-12-01), Riffenbergh
patent: 2786669 (1957-03-01), Safford et al.
patent: 2914310 (1959-11-01), Bahrs
patent: 3203496 (1965-08-01), Harmon

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