Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1976-10-22
1978-06-27
Rolinec, Rudolph V.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
250416R, G01R 31024
Patent
active
040977935
ABSTRACT:
An X-ray tube test system comprising signal processing circuitry including means for converting an analog signal representative of anode current into a train of pulses having an instantaneous frequency proportional to corresponding instantaneous amplitude values of the analog signal, means for counting the pulses in the train during an exposure time interval to obtain an integrated milliampere-second (MAS) value, means for summing a train of pulses having a uniform frequency during an interval of time equivalent to the exposure time interval to obtain an integral value for the exposure time, means for optionally dividing the MAS value by the exposure time value to obtain an average anode current (MA) value during the exposure time interval, and means for displaying numerical equivalents of the values thus obtained.
REFERENCES:
patent: 3718860 (1973-02-01), Kwast
patent: 3818340 (1974-06-01), Yamaguchi
patent: 3878455 (1975-04-01), Ochmann
patent: 3963931 (1976-06-01), Shapiro
Berluti, Jr. Vincent
Pellegrino Anthony
Shapiro Jonathan S.
Wagner Howard G.
Meaney John T.
Murphy Harold A.
Pannone Joseph D.
Rolinec Rudolph V.
The Machlett Laboratories, Inc.
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