Security mechanism for an IC packing box

Details Security mechanism for an IC packing box Security mechanism for an IC packing box

1999-06-15

2000-04-11

Lefkowitz, Edward

Communications: electrical

Condition responsive indicating system

Specific condition

361803, G08B 1300

Patent

active

060492759

ABSTRACT:
A security mechanism for an IC packing box includes a plurality of detecting circuit boards in the packing box. These circuit boards are arranged by pairs. The upper circuit board has etched vertical wiring, and the lower circuit board has etched horizontal wiring. The vertical wiring and the horizontal wiring are connected through zero-ohm resistors for forming a crossing security net. The security net has a plug to connect with a socket slot of an IC circuit board. At least one detecting lead of the IC can send random signals to the detecting circuit boards for completing an electric loop. Foreign invasion upon the packing box is determined by evaluating the flow of the electric loop.

REFERENCES:
patent: 3833853 (1974-09-01), Milford
patent: 5608262 (1997-03-01), Degani et al.
patent: 5646828 (1997-07-01), Degani et al.
patent: 5699235 (1997-12-01), Tsurumiya et al.

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