Electronic circuit for processing the measured values from a vor

Details Electronic circuit for processing the measured values from a vor Electronic circuit for processing the measured values from a vor

1981-06-17

1983-03-08

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

G01F 132

Patent

active

043757685

ABSTRACT:
An electronic circuit for processing measured values obtained from a vortex sequence produced by a Karman vortex path, wherein the ultrasonically sensed signals are processed both digitally in a first circuit branch for a computer and analogously in a second circuit branch for the connection of a two-channel continuous recorder. An adjustable frequency transforming arrangement is serially connected in the computer branch for balancing the circuit, and an additional frequency-voltage converter and and integrator are serially connected in the recorder branch along with a control logic circuit inserted between the two branches for starting the recorder after activation of the computer only when signals which can be evaluated are present.

REFERENCES:
patent: 3818877 (1974-06-01), Barrera et al.
patent: 4318303 (1982-03-01), Harrington

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