Safe arming system and method
First Claim
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1. An arming system comprising:
- a first logic device coupled to a detonation circuit that, in operation of the arming system, selectively initiates a detonation device; and
a second logic device coupled to the detonation circuit and the first logic device;
wherein, in operation of the arming system, the second logic device receives one or more first signals generated by the first logic device;
determines a first fault condition of the first logic device according to the received one or more first signals; and
disables the detonation circuit according to the determined first fault condition.
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Abstract
According to certain embodiments, an arming system includes a first logic device and a second logic device that are both coupled to a detonation circuit operable to initiate a detonation device. The second logic device is operable to receive one or more first signals generated by the first logic device, determine a first fault condition of the first logic device according to the received one or more first signals, and disable the detonation circuit according to the determined first fault condition.
47 Citations
33 Claims
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1. An arming system comprising:
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a first logic device coupled to a detonation circuit that, in operation of the arming system, selectively initiates a detonation device; and a second logic device coupled to the detonation circuit and the first logic device; wherein, in operation of the arming system, the second logic device receives one or more first signals generated by the first logic device;
determines a first fault condition of the first logic device according to the received one or more first signals; and
disables the detonation circuit according to the determined first fault condition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An arming method comprising:
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receiving, by a second logic device, one or more first signals generated by a first logic device operable to initiate a detonation device; determining, by the second logic device, a first fault condition of the first logic device according to the received one or more first signals; and disabling, by the second logic device, the detonation circuit according to the determined first fault condition. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. An arming system comprising:
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a detonation circuit configured to initiate a detonation device;
a first logic device coupled to the detonation circuit and operable to initiate the detonation device; anda second logic device coupled to the detonation circuit and the first logic device, the second logic device operable to; receive one or more first signals generated by the first logic device; determine a first fault condition of the first logic device according to the received one or more first signals; and disable the detonation circuit according to the determined first fault condition. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27)
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28. An arming system comprising:
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a first logic device; and a second logic device; wherein the first logic device is operably coupled to the second logic device to generate one or more first signals that are received by the second logic device; and wherein the second logic device selectively enables or disables a detonation circuit according to a first fault condition of the first logic device, which is determined in the second logic device from the one or more first signals. - View Dependent Claims (29, 30, 31, 32, 33)
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Specification