Proximity sensor, especially for ignition of the warhead of a shell directed against an aprroaching missile
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United States of America Patent
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Issued Date -
Dec 30, 2004
app pub date -
May 10, 2004
filing date -
Feb 23, 2002
priority date (Note) -
Abandoned
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Abstract
A proximity sensor (11) is intended to initiate the warhead of a defence shell which is fired against an attacking projectile from the object to be protected in order to interfere with or even destroy the functionality of the attacker. For that purpose the proximity sensor (11) should not yet respond to the attacker which is to be defended against by the shell appearing ahead in the direction of flight thereof; rather, the proximity sensor is to respond only when the attacker to be defended against is detected ahead inclinedly at an operatively optimal distance. Such a response characteristic in the form of the wall of a hollow cone is afforded if an annular detector element (12) is arranged in the image focus plane behind a positive cylindrical lens (14).
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