DIAGNOSIS FOR MIXED SIGNAL DEVICE FOR USE IN A DISTRIBUTED SYSTEM
First Claim
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1. A mixed signal device for use in a distributed system of independent and interoperating devices, comprising:
- at least one analog module;
a diagnosis controller coupled to the at least one analog module, said diagnosis controller being operable to determine an operational status of the mixed signal device; and
a comparison circuit operable to compare an operational status information received from another device within the distributed system against an expected pre-calculated operational status information.
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Abstract
A mixed signal device for use in a distributed system of independent and interoperating devices, comprising at least one analog module, characterised in that the mixed signal device further comprises a diagnosis controller coupled to the at least one analog module, said diagnosis controller being operable to determine an operational status of the mixed signal device.
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Citations
33 Claims
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1. A mixed signal device for use in a distributed system of independent and interoperating devices, comprising:
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at least one analog module; a diagnosis controller coupled to the at least one analog module, said diagnosis controller being operable to determine an operational status of the mixed signal device; and a comparison circuit operable to compare an operational status information received from another device within the distributed system against an expected pre-calculated operational status information. - View Dependent Claims (2, 3, 4, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 19, 20, 32, 33)
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5-6. -6. (canceled)
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14. (canceled)
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21. A method of determining operational status information of a distributed system having at least two independent and interoperating devices linked together by a communications link, at least one of the interoperating devices being a mixed signal device having an analog module, a comparison circuit (90) and a diagnosis controller, the method comprising:
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determining an operational status of the mixed signal device using the diagnosis controller within the mixed signal device; sending the determined operational status information to another one of the interoperating devices for comparison with a pre-calculated expected compressed operational status information; and comparing by the comparison circuit the operational status information received from another one of the interoperating devices within the distributed system against an expected pre-calculated operational status information.
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22-31. -31. (canceled)
Specification