Digital pressure transducer and corrections circuitry system

Details Digital pressure transducer and corrections circuitry system Digital pressure transducer and corrections circuitry system

1984-12-21

1987-02-17

Gruber, Felix D.

Boots, shoes, and leggings

364557, 364571, 73579, G01N 700, G06F 1532

Patent

active

046444823

ABSTRACT:
A vibrating cylinder pressure transducer system with an incorporated error correction circuitry is disclosed. The compensation circuitry includes a microcomputer, a frequency counting circuit and a arithmetic processor. The system further provides for digital temperature measurement and compensation. The characterizing equation of the vibrating transducer is solved by the microcomputer and the arithmetic processor in order to provide a thermal compensated, highly accurate digital output indication of the measurement of pressure in a single self-contained unit which is small in size and which provides a direct engineering unit output thereby eliminating the need for a further and separate dedicated computer in order to obtain pressure measurements.

REFERENCES:
patent: 3790910 (1974-02-01), McCormack
patent: 4377851 (1983-03-01), McNamara
patent: 4406157 (1983-09-01), Mujahara et al.
patent: 4593370 (1986-06-01), Balkanli

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