Measuring and testing – Volumetric content measuring
Patent
1975-03-14
1976-08-31
Ruehl, Charles A.
Measuring and testing
Volumetric content measuring
73DIG1, 73 671, G01L 100
Patent
active
039772420
ABSTRACT:
A force measuring apparatus having a vibrator which resonates with the frequency of a vibration generator. The force to be measured is applied directly to the vibrator in a manner to effectively tune it to the frequency of the generator. The vibrating motions of the vibrator are transmitted to a transducer which converts them to an electric signal which in turn is fed into a readout device.
REFERENCES:
patent: 2695517 (1954-11-01), Wiggins
patent: 2808581 (1957-10-01), Findlay
patent: 3287720 (1966-11-01), Chambers, III et al.
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