Weighing scale

Weighing scales – Self-positioning – Electrical current generating or modifying

Patent

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Details

G01G 314

Patent

active

044783035

ABSTRACT:
A weighing scale is provided with a multi-string system stressed in tension and vibrated at its natural frequency for determining the magnitude of a weight applied to the scale. The string system comprises two or more laterally spaced-apart parallel strings that are constrained to vibrate as a unit.

REFERENCES:
patent: 3565193 (1971-02-01), Wirth
patent: 3612198 (1971-10-01), Gallo
patent: 3621713 (1971-11-01), Wirth et al.
patent: 3692128 (1972-09-01), Gallo
patent: 3712395 (1973-01-01), Streater et al.
patent: 3724572 (1973-04-01), Saner
patent: 3869004 (1975-03-01), Gallo
patent: 3885427 (1975-05-01), Melcher et al.
patent: 3897681 (1975-08-01), Meier
patent: 4147224 (1979-04-01), George et al.

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