Measuring instrument and method of measuring flows

Details Measuring instrument and method of measuring flows Measuring instrument and method of measuring flows

2007-07-24

2007-07-24

Barlow, John (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Mechanical measurement system

Reexamination Certificate

active

10942996

ABSTRACT:
A measuring instrument whose measuring principle is based on an oscillator, for example an eddy counter, and in which there is arranged a sensor for recording a measured signal (S(t)), which can be supplied to an evaluation unit (2), characterized in that, from the phase increments psi(tau,t), that is to say from the differences between the instantaneous values phi(t) of the phase signal derived from the measured signal S(t) in a phase extractor (18) and values phi(t-tau) time-delayed by a delayed time tau, a coupling indicator value (KI) is formed in such a way that the existence of phase coupling with a further oscillator can be detected on the latter by means of comparison with a coupling reference value (KR).

REFERENCES:
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patent: 5005427 (1991-04-01), Ohmae
patent: 5343404 (1994-08-01), Girgis
patent: 2002/0129661 (2002-09-01), Clarke et al.
patent: 37 13523 (1987-10-01), None

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