METHOD OF “ACTIVE EDGE” TYPE CONTACT SENSOR CONDITION MONITORING Russian patent published in 2025 - IPC G08B13/00 

FIELD: electrical engineering.

SUBSTANCE: invention relates to the field of electric engineering, in particular, to signalling systems actuated under certain condition, monitoring of contact sensors state, in particular, for monitoring of the state of “active edge” type contact sensor located in end rubber sealing profile of sliding plug doors. Method of monitoring the state of a contact sensor of the “active edge” type operates using a device comprising two optocouplers, two resistors and a common connection point of conductors A.

EFFECT: possibility of controlling operation of an “active edge” type contact sensor.

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