MONITORING MODULE AND METHOD FOR DETERMINING THE STATUS OF ELECTRICAL COMPONENTS
First Claim
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1. A monitoring module to determine the status of electrical components in an array of N electrical components, comprising:
- a resistance measurer to measure the resistance across a pair of diagnostic terminals;
a comparator to compare the measured resistance with a set of reference resistances; and
a status module to determine the status of at least one electrical component in the array based on the comparison.
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Abstract
According to one example, there is provided a monitoring module for determining the status of electrical components in an array of N electrical components. The monitoring module comprises a resistance measurer to measure the resistance across a pair of diagnostic terminals, a comparator to compare the measured resistance with a set of reference resistances, and a diagnostic module to determine the status of at least one electrical component in the array based on the comparison.
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Citations
19 Claims
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1. A monitoring module to determine the status of electrical components in an array of N electrical components, comprising:
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a resistance measurer to measure the resistance across a pair of diagnostic terminals; a comparator to compare the measured resistance with a set of reference resistances; and a status module to determine the status of at least one electrical component in the array based on the comparison. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A printer having an array of N fans, comprising:
a monitoring module to measure a resistance across a pair of diagnostic lines to which a diagnostic module of each fan is electrically connected;
the monitoring module configured to, based on the measured resistance, determine whether all of the fans are operating correctly, whether one of the fans has failed, or whether one of the fans is disconnected from array.- View Dependent Claims (13, 14, 15)
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16. A method of determining the status of an electrical component in an array of N electrical components, each component having a diagnostic module exhibiting a first resistance when the component is operating correctly, and a second resistance when the component is not operating correctly, the diagnostic modules of each component being electrically connected in parallel with one another, the method comprising:
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measuring the resistance across the diagnostic modules of each component in the array of fans; and determining that all of the fans are operating correctly when the measured resistance is substantially equal to a first reference resistance, determining that one of the fans has failed when the measured resistance is substantially equal to a second reference resistance, and determining that one of the fans is disconnected from the array of fans when the measured resistance is substantially equal a third reference resistance. - View Dependent Claims (17, 18, 19)
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Specification