F - Mech Eng,Light,Heat,Weapons – 42 – D
Patent
F - Mech Eng,Light,Heat,Weapons
42
D
342/47
F42D 1/04 (2006.01)
Patent
CA 1273086
A B S T R A C T This invention provides modules and a system for sequentially activating a series of detonators. The modules and the system rely on a transistor in which the base-collector junction is caused to change state by a current pulse of suitable magnitude so that it presents a low resistance. Similarly, the base-emitter junction is also caused to change state to present a low resistance path in both directions. Such transistors are utilized to steer signals through a module in which they are used to activate a detonator associated with that module and then to steer a further signal to a next module in the series.
543421
Johannesburg Construction Corporation (proprietary)
Sim & Mcburney
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