CONTACTLESS KEY Russian patent published in 1994 - IPC

Abstract RU 2024190 C1

FIELD: pulse technique. SUBSTANCE: case accommodates coils with magnetically soft material core placed in their bores. Permanent magnets are joined with key head. Pushing the key head reverses core polarity and it is attracted to upper permanent magnet; in the process, voltage pulse is induced in coil. EFFECT: provision for contactless switching of electric circuits. 5 dwg

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RU 2 024 190 C1

Authors

Makhotkin V.E.

Shurukhin B.P.

Dates

1994-11-30—Published

1990-05-28—Filed