Arrangement for determining the effective value and/or the power

Details Arrangement for determining the effective value and/or the power Arrangement for determining the effective value and/or the power

1977-07-27

1979-06-05

Rolinec, Rudolph V.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With amplifier or space discharge device

73194A, 324 99R, 324132, G01R 130, G01R 1706

Patent

active

041575024

ABSTRACT:
An arrangement for the determination of the effective value and/or the performance or power and, for example, also the cross-power of electrical signals, in particular those Doppler signals which are received in ultrasonic-Doppler blood flow measurement. The arrangement includes an amplifier for the present electrical signal regulatable in amplification which, on the one hand, is connected into a control loop or circuit for regulating the degree of amplification for the purpose of producing constant amplifier power outputs and, on the other hand, connected into a measuring circuit for determination of the degree of amplification which adjust itself at the current power constant-regulation of the amplifier.

REFERENCES:
patent: 3159787 (1964-12-01), Sexton et al.
patent: 3571706 (1971-03-01), Bjor

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