Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1982-09-24
1984-07-31
Krawczewicz, Stanley T.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
G01R 2700
Patent
active
044633092
ABSTRACT:
Method and device to determine the threshold of resistance of an electric or electronic equipment to an external electromagnetic aggression, by simulating such aggression, the said equipment comprising at least two units joined together by way of a connection comprising shielded conductors.
The invention is remarkable in that at least one passive injection element is inserted in the said connection, which element presents a known transfer impedance and comprises an external casing, inner conductors, and end connectors, so that said injection element ensures a continuity of the normal electric connections between the said units and that its external casing is electrically connected to the shielding of the said connection, in that the said equipment equipped with its injection element is subjected to the action of an electromagnetic testing field.
REFERENCES:
patent: 3952245 (1976-04-01), Miller
Burns: "Rejection of R-F Noise . . . "-IEEE Trans. on Nuclear Science-vol. 23, No. 1, pp. 375-382, Feb. 1976.
Crochet Michel H.
Riaudet Jean-Claude L.
Krawczewicz Stanley T.
Societe Nationale Industrielle et Aerospatiale
Solis Jose M.
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