| 摘要 |
FIELD: electrical engineering; logic circuits for automatic control devices. SUBSTANCE: device has glass case accommodating ball-type movable electrode, fixed electrodes, and tubular ferromagnetic electrode built of two parts joined together by means of spiral- shaped spring. First of mentioned parts is fixed part and second one is movable conical part accommodating ball electrode and two fixed electrodes. Other fixed electrodes are disposed opposite to conical part of tubular ferromagnetic electrode, their mating parts being beveled over conical surface. All electrodes are made of ferromagnetic material. EFFECT: enlarged logic capabilities. 1 cl, 2 dwg
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