Ammunition and explosives – Igniting devices and systems – Ignition or detonation circuit
Reexamination Certificate
2007-10-09
2009-08-25
Bergin, James S (Department: 3641)
Ammunition and explosives
Igniting devices and systems
Ignition or detonation circuit
C102S311000, C102S301000, C102S200000, C102S202500, C299S013000
Reexamination Certificate
active
07578237
ABSTRACT:
A method for controlling the initiation of an electronic detonator when located in surrounding ground, the method comprising the steps of: measuring the actual spatial position of the said detonator in relation to one or more adjacent detonators; and calculating the time of initiation of the said detonator based upon its actual spatial position.
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patent: 6945174 (2005-09-01), Aebi et al.
patent: 2008/0041260 (2008-02-01), Koekemoer et al.
patent: 897098 (1999-02-01), None
patent: 897098 (1999-02-01), None
Johnston Peter
Russel John Keir
Bergin James S
Birch & Stewart Kolasch & Birch, LLP
Redbull Powder Co. Limited
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