Weighing equipment

Details Weighing equipment Weighing equipment

1976-06-14

1978-10-17

Hartary, Joseph W.

Weighing scales

Shock absorber, damper

Electrical or magnetic

177210EM, 177147, 328167, G01G 2310, G01G 1918

Patent

active

041203704

ABSTRACT:
Weighing equipment for weighing a load which is included in a mechanical system with a natural frequency of oscillation which depends on the size of the load, for example in a crane, includes a transducer influenced by the load and which delivers a signal corresponding to the weight of the load. The equipment includes a tunable band exclusion filter connected to the transducer for filtering the signal, in which the signal influences the tuning of the filter so that its anti-resonance frequency follows said natural frequency of the oscillation.

REFERENCES:
patent: 3565194 (1971-02-01), Engle
patent: 3643753 (1972-02-01), Godwin
patent: 3714588 (1973-01-01), DeBoo
patent: 3802522 (1974-04-01), Thompson
patent: 3835399 (1974-09-01), Holmes
patent: 3912029 (1975-10-01), Gorman
patent: 4039036 (1977-08-01), Baumgartner

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