Protection system

Details Protection system Protection system

1989-03-20

1990-06-05

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

241 36, 340568, 360 66, G08B 1300

Patent

active

049317709

ABSTRACT:
A system for transferring information stored on a disc, tape or film is provided which prevents unauthorized or unintentional use or disclosure to third parties of the information contained on the disc, tape or film. The disc, tape or film is contained within a cassette having structure for sensing intrusion into the cassette. The sensing structure triggers a destructive device which destroys the information on the disc, tape or film when intrusion into the cassette is sensed.

REFERENCES:
patent: 4236463 (1980-12-01), Westcott
patent: 4325089 (1982-04-01), Hsu
patent: 4479579 (1984-10-01), Miklos
patent: 4532566 (1985-07-01), Horimoto
patent: 4549658 (1985-10-01), Sifkas
patent: 4567983 (1986-02-01), Morris
patent: 4572369 (1986-02-01), Morris
patent: 4615490 (1986-10-01), Goldhammer
patent: 4664317 (1987-05-01), Morton
patent: 4767564 (1988-08-01), Kitchens et al.
patent: 4804826 (1989-02-01), Hertzen et al.
patent: 4814749 (1989-03-01), Abramson

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