Preassembled fiber optic security seal

Details Preassembled fiber optic security seal Preassembled fiber optic security seal

1977-08-09

1979-07-17

Clark, Conrad J.

Closure fasteners

Clamps

Portable

70440, 350 9624, 292307R, G02B 516

Patent

active

041613481

ABSTRACT:
The invention is directed to a security device which detects tampering with secured closure. A fiber optic bundle is looped through a closure and secured at opposite ends of the bundle to a snap-together connector. An intermediate length of the fiber optic bundle surrounds the snap-together connector preventing access to its locking mechanism unless fibers are severed. After installation, light is passed through the fiber optics and a particular pattern is generated at a viewing end of the connector. Tampering with the closure will cause individual fiber optics to be disturbed or cut so that subsequent viewing of the fiber optics will generate a different viewing pattern than originally observed.

REFERENCES:
patent: 3854792 (1974-12-01), Koelle

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