Tamper switch and tamper-proof method in particular for monitoring doors, windows, etc.

摘要

The invention relates to a contact system and a method in particular for security systems with at least one reed contact (3) and at least two such in different housings (5) and (6) arranged magnets (1, 2) that the magnetic forces cancel the reed contact (3) , During a relative movement between the magnets (1, 2) of the reed contact (3) from the open into the closed or switched from the closed to the open state and simultaneously outputs a signal.