Multiplex communications – Fault recovery – Bypass an inoperative switch or inoperative element of a...
Patent
1997-06-30
2000-03-21
Horabik, Michael
Multiplex communications
Fault recovery
Bypass an inoperative switch or inoperative element of a...
370217, 370221, 370222, 370225, 34082503, 34082506, 340827, G01R 3108, G06F 1100, G08C 1500, H01H 6700
Patent
active
060410353
ABSTRACT:
A communications, navigation and identification (CNI) avionics system is disclosed. The CNI system includes a first integrated sensor performing a first CNI function and a second integrated sensor performing a second CNI function of a lower priority than the first CNI function. A first communication path is assigned to the first integrated sensor such that it carries signals between the first integrated sensor and a first system asset. A second communication path is assigned to the second integrated sensor such that it carries signals between the second integrated sensor and a second system asset. Each of the first and second communication paths includes a common first interconnect coupled to both of the first and second integrated sensors, a common second interconnect coupled to each of the first and second system assets, and a separate cryptographic processor. A resource management controller reassigns the second communication path to the first integrated sensor in the event of a failure of the first communication path so that the higher priority CNI function is maintained.
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Eppele Kyle
Horabik Michael
O'Shaughnessy James P.
Phan Man
Rockwell Collins, Inc.
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