Seal system with integral detector

Details Seal system with integral detector Seal system with integral detector

1982-08-12

1985-06-11

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

340531, 340566, 340568, 340600, G08B 1318

Patent

active

045231869

ABSTRACT:
There is disclosed a seal system for materials where security is of the essence, such as nuclear materials, which is tamper-indicating, which indicates changes in environmental conditions that evidence attempts to by-pass the seal, which is unique and cost effective, said seal system comprised of a seal where an optical signal is transmitted through a loop, with a detector to read said signal, and one or more additional detectors designed to detect environmental changes, these detectors being operatively associated with the seal so that detection of a break in the optical signal or detection of environmental changes will cause an observable change in the seal.

REFERENCES:
patent: 3938124 (1976-02-01), Way et al.
patent: 4144530 (1979-03-01), Redfern
patent: 4262284 (1981-04-01), Stieff et al.
patent: 4292628 (1981-09-01), Sadler
Kennepohl et al., "The Electronic Sealing System, VACOSS . . . ", Nuclear Safeguards Technology 1978, vol. I, pp. 617-624, Vienna, 1979.
Arning et al., "Electronic Sealing Systems", 1st Seminar on Containment & Surveillance . . . , presented at Joint Research Centre, Ispra Establishment, Sep. 17-19, 1980.

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