Electronic back-up safety mechanism for hand-emplaced land mines

Details Electronic back-up safety mechanism for hand-emplaced land mines Electronic back-up safety mechanism for hand-emplaced land mines

1988-08-05

1989-11-28

Kyle, Deborah L.

Ammunition and explosives

Igniting devices and systems

Ignition or detonation circuit

F42C 1100

Patent

active

048829935

ABSTRACT:
A back-up electrical safety device for a land mine is presented which proes an additional 50 to 60 second time delay concurrent with the conventional built-in one minute delay before any detonation is possible. A soldier is therefore afforded an additional assurance of an ear one minute time lag before an accidental explosion could be possible due to premature pulsing of the mines's built-in timer. A Darlington pair RC switching circuit appears electrically in tandem between the internal timer and the various arming means, to doubly insure an approximate one minute override before detonation. This dual safety feature permits hand-emplacement, over gun-launching, of a conventional land mine.

REFERENCES:
patent: 3340811 (1967-09-01), Gauld
patent: 4001610 (1977-01-01), Griffin
patent: 4617866 (1986-10-01), Simpson
patent: 4632032 (1986-12-01), Muller
patent: 4699241 (1987-10-01), Kerekes
patent: 4712477 (1987-12-01), Aikon et al.
patent: 4776277 (1988-10-01), Fieldler et al.

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