Access control for electronic blasting machines

Details Access control for electronic blasting machines Access control for electronic blasting machines

2005-02-08

2005-02-08

Luu, Teri P. (Department: 3644)

Ammunition and explosives

Igniting devices and systems

C102S202100, C102S214000, C102S215000, C102S217000, C102S221000, C102S275110

Reexamination Certificate

active

06851369

ABSTRACT:
Blasting apparatuses and methods control actuation of a plurality of detonators, and involve the use of one or more authorization keys each associated with a blasting machine. The authorization key(s) are transferable from the blasting machine(s) to a central command station, each authorization key storing a data package comprising a randomly generated access code generated by its corresponding blasting machine. Transfer of the one or more authorization keys to a central command station allows the data packages (and associated randomly generated access codes) to be transmitted by the central command station for receipt by the blasting machine(s).

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