Ordnance – Mine-destroying devices
Utility Patent
1998-08-13
2001-01-02
Johnson, Stephen M. (Department: 3641)
Ordnance
Mine-destroying devices
C102S402000
Utility Patent
active
06167793
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a system for localizing and identifying mines.
BACKGROUND OF THE INVENTION
Mines are an effective weapon for preventing and delaying the movements of ground troops and from two to five million mines are laid each year worldwide. One problem with mine fields is that the mines also present an obstacle to one's own troops and to the civilian population. Another problem is presented when the mines are to be cleared away and removed. This task is time-consuming, dangerous and expensive, because there is no simple manner in which the mines can be localized.
SUMMARY OF THE INVENTION
The object of the present invention is to solve these problems without jeopardizing the defensive function of mines in wartime conditions.
This object is achieved in accordance with the invention by means of a mine localizing and identifying system which is characterized in that each mine is equipped with signalling means adapted to transmit a specific signal in response to receiving a specific activating signal, and is further characterized by a mine-clearing tool that is adapted to transmit said specific activating signal and to receive the specific signal emitted by the signalling means and that includes a direction-finding device which functions to localize the mine with the aid of the signal transmitted from the mine. The enemy can be prevented from finding mines, by limiting access to the specific activating signal in wartime while providing access to said specific activating signal in times of peace so as to enable individual mines to be readily removed.
In one preferred embodiment of the invention, the specific activating signal is a coded signal and the mine-clearing tool includes means for indicating the reception of a signal transmitted by a mine. The specific signal transmitted by the signalling device also includes information relating to mine identity, the type of mine concerned and to the unit to which the mine belongs and the mine-clearing tool includes means for storing information relating to localized mines. This information may then be transferred to a memory register.
REFERENCES:
patent: 2504118 (1950-04-01), Evans
patent: 3027837 (1962-04-01), Kendall
patent: 4021725 (1977-05-01), Kirkland
patent: 4390880 (1983-06-01), Henoch
patent: 5214236 (1993-05-01), Murphy et al.
patent: 5307272 (1994-04-01), Butler et al.
patent: 5452639 (1995-09-01), Aulenbacher et al.
patent: 3219488 (1983-12-01), None
patent: 3432847 A1 (1986-03-01), None
patent: 3526492 A1 (1987-01-01), None
patent: 4126381 A1 (1993-02-01), None
patent: WO 96/23236 (1996-08-01), None
Popular Science; Clearing a Path; p. 56; 89/1.13, Sep. 1943.*
Johnson Stephen M.
New Swede Construction AB
Young & Thompson
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