Transducer calibration device

Details Transducer calibration device Transducer calibration device

1980-03-13

1982-05-11

Swisher, S. Clement

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

73119A, 123333, 123496, G01F 2500

Patent

active

043286976

ABSTRACT:
The output of a transducer is passed to an electrical circuit for supply to a fuel control network. In order to check the output of the transducer the output of the electrical circuit is sampled in a sample circuit when the movement of the member associated with the transducer is a known value. The signal from the sample circuit is compared in a comparator with a reference signal. Any difference is passed to a gain determining circuit which calculates a new gain value for a variable gain amplifier in the electrical circuit. The value of the gain is retained in a holding circuit and supplied to the amplifier until further adjustment is required.

REFERENCES:
patent: 3463130 (1969-08-01), Reichardt et al.
patent: 3875792 (1975-04-01), Krohn et al.
patent: 4171638 (1979-10-01), Coman et al.

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