CONTROL DEVICE AND METHOD OF SECURING (OF PROPER CLOSING) OF A DOOR OF SECURITY AREAS IN ORDER TO ASCERTAIN THE LEGALITY OF ENTRANCE AND EXIT OF EACH VISITOR.

摘要

Portable control device of closing of a door and its operation method by an integrated device for the control of change in the magnetic field and recorder of all received change values of the magnetic field, that provides safe information on the movements of the door, whereas it blocks it in case of incorrect recording or of prohibited movements or of illegal access to the guarded area.