Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With amplifier or space discharge device
Patent
1976-06-30
1978-01-31
Rolinec, Rudolph V.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With amplifier or space discharge device
324 65R, 330 69, G01R 130, G01R 2702
Patent
active
040718239
ABSTRACT:
Two differential amplifiers are provided each having two input terminals. One of the input terminals of each differential amplifier receives an output signal derived from a measuring circuit, while the other terminals of the differential amplifiers are coupled to each other. Output signals of the respective differential amplifiers control correspondingly two series-connected current control circuits, respectively. With such a circuit arrangement, a current flowing through a receiving unit connected in series to the two current control circuit is controlled in response to the output signal from the measuring circuit.
REFERENCES:
patent: 3629719 (1971-12-01), Heller et al.
patent: 3825852 (1974-07-01), Pinckaers
Hitachi , Ltd.
Karlsen Ernest F.
Rolinec Rudolph V.
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