Walk-through metal detector system and method

Details Walk-through metal detector system and method Walk-through metal detector system and method

1999-03-05

2000-10-17

Hofsass, Jeffery A.

Communications: electrical

Condition responsive indicating system

Specific condition

3405724, G08B 1324

Patent

active

06133829&

ABSTRACT:
Walk-through ferrous metal detector and method in which potential carriers of weapons and other ferrous metal objects pass through a surveillance area in which the earth's magnetic field is monitored, and disturbances in the field due to movement of ferrous metal objects are detected.

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