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 dev
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.
대표청구항▼
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; anda second logic device coupled to the detonation circuit and the first logic device;wherein, in operation of the arming system, t
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; anda 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. 2. The arming system of claim 1, wherein, in operation of the arming system, the first logic device: receives one or more second signals generated by the second logic device; determines a second fault condition of the second logic device according to the received one or more second signals; and disables disable the detonation circuit according to the determined second fault condition. 3. The arming system of claim 1, wherein the first logic device comprises a memory coupled to a processor that executes instructions stored in the memory, and the second logic device comprises a programmable logic device. 4. The arming system of claim 1, wherein the first logic device and the second logic device each comprise a memory coupled to a processor that executes instructions stored in the memory. 5. The arming system of claim 1, wherein the first logic device and the second logic device each comprises a programmable logic device. 6. The arming system of claim 1, wherein, in operation of the arming system, the second logic device determines the fault condition based on not receiving the one or more first signals within a specified period of time. 7. The arming system of claim 1, further comprising a receiver circuit coupled to the first logic device and the second logic device;wherein, in operation of the arming system, the first logic device and the second logic device inhibit the detonation circuit upon receiving a wireless signal from the receiver circuit. 8. The arming system of claim 1, further comprising at least two arming pin switches coupled to the first logic device and the second logic device;wherein, in operation of the arming system, the first logic device and the second logic device inhibit the detonation circuit based on a failure of either of the at least two arming pin switches. 9. The arming system of claim 1, wherein the first logic device comprises a first clock and the second logic device comprises a second clock that operates independently of the first clock. 10. An arming method comprising: 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; anddisabling, by the second logic device, the detonation circuit according to the determined first fault condition. 11. The arming method of claim 10, further comprising: receiving, by the first logic device, one or more second signals generated by the second logic device;determining, by the first logic device, a second fault condition of the second logic device according to the received one or more second signals; anddisabling, by the first logic device, the detonation circuit according to the determined second fault condition. 12. The arming method of claim 10, wherein the first logic device comprises a memory coupled to a processor that executes instructions stored in the memory, and the second logic device comprises a programmable logic device. 13. The arming method of claim 10, wherein the first logic device and the second logic device each comprise a memory coupled to a processor that executes instructions stored in the memory. 14. The arming method of claim 10, wherein the first logic device and the second logic device each comprises a programmable logic device. 15. The arming method of claim 10, wherein determining the first fault condition by the second logic device comprises determining the first fault condition based on not receiving the one or more first signals with a specified period of time. 16. The arming method of claim 10, further comprising inhibiting, by the first logic device and the second logic device, the detonation circuit according to a wireless signal received from a receiver circuit. 17. The arming method of claim 10, further comprising inhibiting, by the first logic device and the second logic device, the detonation circuit based on a failure of either of at least two arming pin switches. 18. The arming method of claim 10, further comprising: clocking the first logic device using a first clock; and clocking the second logic device using a second clock that operates independently of the first clock. 19. An arming system comprising: 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; anddisable the detonation circuit according to the determined first fault condition. 20. The arming system of claim 19, wherein the first logic device is operable to: receive one or more second signals generated by the second logic device;determine a second fault condition of the second logic device according to the received one or more second signals; anddisable the detonation circuit according to the determined second fault condition. 21. The arming system of claim 19, wherein the first logic device comprises a memory coupled to a processor that executes instructions stored in the memory, and the second logic device comprises a programmable logic device. 22. The arming system of claim 19, wherein the first logic device and the second logic device each comprise a memory coupled to a processor that executes instructions stored in the memory. 23. The arming system of claim 19, wherein the first logic device and the second logic device each comprises a programmable logic device. 24. The arming system of claim 19, wherein the second logic device is operable to determine the fault condition based on not receiving the one or more first signals with a specified period of time. 25. The arming system of claim 19, further comprising a receiver circuit coupled to the first logic device and the second logic device, the first logic device and the second logic device operable to inhibit the detonation circuit according to a wireless signal received from the receiver circuit. 26. The arming system of claim 19, further comprising at least two arming pin switches coupled to the first logic device and the second logic device, the first logic device and the second logic device operable to inhibit the detonation circuit based on a failure of either of the at least two arming pin switches. 27. The arming system of claim 19, wherein the first logic device comprises a first clock and the second logic device comprises a second clock that operates independently of the first clock. 28. An arming system comprising: a first logic device; anda 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; andwherein 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. 29. The arming system of claim 28, wherein the second logic device is operable to generate one or more second signals that are received by the first logic device; and the first logic device selectively enables or disables a detonation circuit according to a first fault condition of the second logic device. 30. The arming system of claim 28, wherein the second logic device is operable to generate one or more third signals that are received by the detonation circuit to selectively enable or disable the detonation circuit. 31. The arming system of claim 30, wherein the second logic device is operable to generate the one or more third signals in response to the received one or more first signals. 32. The arming system of claim 28, wherein the first logic device is operable to generate one or more fourth signals that are received by the detonation circuit to selectively enable or disable the detonation circuit. 33. The arming device of claim 32, wherein the first logic circuit is operable to generate the one or more fourth signals in response to one or more second signals generated by the second logic device.
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