Ammunition and explosives – Igniting devices and systems – Ignition or detonation circuit
Reexamination Certificate
2006-04-04
2006-04-04
Carone, Michael J. (Department: 3641)
Ammunition and explosives
Igniting devices and systems
Ignition or detonation circuit
C102S202100, C102S202700, C361S251000
Reexamination Certificate
active
07021218
ABSTRACT:
A safety and performance enhancement arrangement for primary explosive detonators. This arrangement involves a circuit containing an energy storage capacitor and preset self-trigger to protect the primary explosive detonator from electrostatic discharge (ESD). The circuit does not discharge into the detonator until a sufficient level of charge is acquired on the capacitor. The circuit parameters are designed so that normal ESD environments cannot charge the protection circuit to a level to achieve discharge. When functioned, the performance of the detonator is also improved because of the close coupling of the stored energy.
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Bergin James S.
Carone Michael J.
Tak James S.
The Regents of the University of California
Thompson Alan H.
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