System and method for diagnosing relay fault
US11635466B2 · kind B2 · utility
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4References
14Claims
0Family size
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Key dates
| Filing date | Nov 20, 2018 |
| Grant date | Apr 25, 2023 |
| Priority date | — |
| Expiry date | Jan 18, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2201/10151
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A relay abnormality diagnosis system and method capable of diagnosing an abnormality of a relay by directly connecting a diagnosis resistor to a current measurement unit and by using a current input to the current measurement unit from the diagnosis resistor and a current flowing on an electric circuit measured by the current measurement unit, in the relay abnormality diagnosis system that diagnoses the abnormality of the relay using the diagnosis resistor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.