Ammunition and explosives – Mines – Marine type
Patent
1962-12-31
1990-11-20
Bentley, Stephen C.
Ammunition and explosives
Mines
Marine type
F42B 2242
Patent
active
049709585
ABSTRACT:
A control system for a magentic submarine mine adapted to be fired automaally upon the approach of a vessel and in which the possibility of premature detonation of the mine by a minesweeper is substantially reduced. For example, some of the magnetic mines being laid in a particular mine field may be set so that after several actuations by a minesweeper a few of the mines will be exploded, the remaining mine field requiring a larger number of signals before detonation. By varying the number of signals before a mine is detonated the particular mine field after being swept is still considered lethal because many of the mines are left in the armed condition and others awaiting to be armed by subsequent minesweeping or the passage of vessels, as the case may be.
REFERENCES:
patent: 2399523 (1946-04-01), Van Atta et al.
patent: 2881702 (1959-04-01), Glennon et al.
patent: 3010395 (1961-11-01), Maltby
Lorenz, deceased Richard L.
Lyon Robert J.
Bentley Stephen C.
The United States of America as represented by the Secretary of
Walden Kenneth E.
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