Ammunition and explosives – Igniting devices and systems – Arming devices
Patent
1993-12-30
1996-03-12
Johnson, Stephen M.
Ammunition and explosives
Igniting devices and systems
Arming devices
102266, 102215, 102212, 102216, 89 65, F42C 1104, F42C 914
Patent
active
054977045
ABSTRACT:
A multifunctional magnetic fuze is disclosed. The sensor includes an apparatus and method for counting each rotation of a projectile after firing from a weapon. A signal is generated which indicates the rotations of the projectile and a counter counts the turns so that the projectile may detonate at a predetermined nominal number of turns. The turns count may also be used to calculate spin rate and muzzle velocity so that the nominal turns count may be adjusted based on actual velocity. The fuze also may include a timer for counting a time to burst of a projectile. The turns count and/or the times count may be utilized to provide accurate detonation.
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Crist Scott D.
Erdmann David P.
Kurschner Dennis L.
Alliant Techsystems Inc.
Johnson Stephen M.
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