Security system employing magnetization and detection

Details Security system employing magnetization and detection Security system employing magnetization and detection

1992-11-30

1994-12-27

Swann, Glen

Communications: electrical

Condition responsive indicating system

Specific condition

335284, 335306, 340568, 34082532, G08B 1322

Patent

active

053769210

ABSTRACT:
A security system includes a magnet having a high magnetic field strength and wide flux area. Individuals seeking to enter or leave a secure area are directed so as to be in relatively close physical proximity to the magnet. Hard or soft ferrous material on the individual, which would be included in any items likely to be pilfered, are magnetized sufficient to generate a signal to a magnetometer, to which the individuals are proximately directed after passing the magnet. Detection of a magnetized, ferrous substance in the magnetometer causes the locking of a turnstile, forcing the individual to a secondary area. A magnetic card, unique to an individual, can also be utilized to facilitate identification of an individual prior to entry to the system, as well as to catalogue security breaches and ingress/egress times.

REFERENCES:
patent: 3701100 (1972-10-01), Yarbrough

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