F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
F42B 3/182 (2006.01)
Patent
CA 2592460
The invention relates to a pyroelectronic detonator (1) comprising an electronic circuit for at least controlling the detonator ignition by supplying igniting current to an electrothermal bridge (4) and at least one electronic shunting means (7) directly connected to said bridge (4), wherein said shunting means (7) is controllable between the closed low-electric resistance state of the shunt and the open high electric resistance state thereof and the electronic circuit (2) controls said states. The shunt is constructed in such a way that it can be monostable and bistable.
Amorce (1) pyro-électronique comportant un circuit électronique (2) d'au moins de commande d'allumage de l'amorce par envoi d'un courant d'allumage dans un pont électrothermique (4), dans laquelle l'amorce (1) comporte en outre au moins un moyen de shuntage (7) électrique disposé en relation directe avec le pont (4), le moyen de shuntage (7) étant commandable entre un état fermé à faible résistance électrique du shunt et un état ouvert à forte résistance électrique du shunt et le circuit électronique (2) pouvant commander lesdits états. Le shunt peut être monostable ou bistable.
Guyon Franck
Poudre Arthur
Trousselle Raphael
Davey Bickford
Gowling Lafleur Henderson Llp
LandOfFree
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