SWITCH POSITION CHECKING DEVICE Russian patent published in 1995 - IPC

Abstract RU 2047523 C1

FIELD: railway transport; signalling and automatic control. SUBSTANCE: device has pilot frequency self-excited oscillators 1 and 2, check bars extreme positions inductive pickups 5 and 10, register relays 6 and 7, pilot frequencies clamping units 8 and 9, matching element 11 and coupling line 12. EFFECT: enhanced reliability of operation. 2 dwg

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RU 2 047 523 C1

Authors

Kozlov Vjacheslav Vasil'Evich

Panov Vladislav Nikolaevich

Dates

1995-11-10Published

1992-06-29Filed