Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Parameter related to the reproduction or fidelity of a...
Patent
1994-06-16
1995-12-19
Wieder, Kenneth A.
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Parameter related to the reproduction or fidelity of a...
324628, 333 24R, G01R 2704
Patent
active
054771536
ABSTRACT:
A coupling network for electromagnetic pulsed testing arrangements includes three stacks of toroidal ferrite cores. Two of the stacks are of identical diameter, the third stack has a diameter approximately equal to the combined diameters of the first two stacks. A copper tube looped through the central aperture of the first two stacks forms a primary winding. An insulated wire looped twice through the first two apertures forms a secondary winding of a 1:2 step-up transformer. The winding is extended through the aperture of the third stack. The third stack is operable to permit the laying in of a cable connected to a device under test. The cable forms the secondary of an isolation transformer.
REFERENCES:
patent: 2446195 (1948-08-01), Shive
patent: 2881389 (1959-04-01), Quine
patent: 4425542 (1984-01-01), Tsaliovich
patent: 4647844 (1987-03-01), Biegon
patent: 4931720 (1990-06-01), Garbe
patent: 4973911 (1990-11-01), Marshall
Honeywell Inc.
Johnson Kenneth
Lenkszus Donald
Solis Jose M.
Wieder Kenneth A.
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