| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuse capable of obtaining stabilized detonation and permitting the safe recovery of a shell even when the shell was a dud. SOLUTION: An electronic circuit, starting the reaction of a thermal battery 46 by a first electromotive force generated by passing a permanent magnet 21 through the inside of a coil 24 equipped in a setback generator 20 and operated by the approach of a target or the like, supplies a second electromotive force, generated by the battery, to an electric primer 30. On the other hand, a trigger switch 13 supplies a second electromotive force, generated by the thermal battery 46, to the electric primer 30 by the shock of impact of the shell when the electronic circuit was not operated.
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