Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1982-03-19
1984-11-13
Krawczewicz, Stanley T.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
361251, 324 57PS, 324 51, G01R 2700
Patent
active
044828586
ABSTRACT:
An apparatus for and a method of testing AC operable detonating modules (10) whereby an electric charge is discharged through a primary wire (20) threaded through or around a transformer core (14) of a module being tested and the voltage across, or the current through the primary wire is determined. Modules can be simply and reliably tested by means of a compact apparatus requiring a current of only about 1.4 mA.
REFERENCES:
patent: 2623922 (1952-12-01), Muffly
patent: 3163818 (1964-12-01), Spaven
patent: 4422378 (1983-12-01), Plichta
patent: 4422379 (1983-12-01), Geller et al.
Milman & Taub; "Pulse and Digital Circuits"-McGraw Hill, 1956--Chapter 2, pp. 48-56.
AECI Limited
Krawczewicz Stanley T.
Solis Jose M.
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