Magnetic article surveillance system, method and coded marker

Magnetic article theft alarm

Magnetic coin box sensor

Magnetic contact tamper switch for security accessories

Magnetic core transceiver for electronic article...

Magnetic detacher with open access

Magnetic detection system for items on the lower tray of a shopp

Magnetic door alarm with resettable delay

Magnetic field alarm indicator

Magnetic field detection device

Magnetic field producing apparatus

Magnetic field sensing for tamper identification

Magnetic field sensing for tamper identification

Magnetic field sensing for tamper identification

Magnetic field sensor

Magnetic key lock provided with an alarm system

Magnetic locking methods and apparatus

Magnetic locking status detection system

Magnetic marker and manufacturing method therefor

Magnetic marker and method for modifying the magnetic properties