Logarithmic ratemeter with bistable signal comparison

Details Logarithmic ratemeter with bistable signal comparison Logarithmic ratemeter with bistable signal comparison

1975-03-07

1977-03-08

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 78J, 324188, 328 45, 328 50, G01R 2302

Patent

active

040115020

ABSTRACT:
A logarithmic ratemeter has a plurality of bistable devices each having two inputs the first of which is connected to a common input line for receiving voltage pulses from a detector of atomic particles and the second of which is connected to a secondary pulse train. The secondary pulse trains for the bistable devices are all different but maintain a constant frequency relationship to one another. Each bistable device produces an output signal the level of which indicates whether the device is in its first or second state and means are provided for summing the average values of the outputs of the bistable devices so as to provide an output signal which is a logarithm of the pulse rate received at the common input.

REFERENCES:
patent: 3050713 (1962-08-01), Harmon
patent: 3564284 (1971-02-01), Kamens
patent: 3704414 (1972-11-01), Herbst

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