Diagnostic reporting for sensor integrated circuits
US9652905B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2016 |
| Grant date | May 16, 2017 |
| Priority date | — |
| Expiry date | Feb 11, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D3/08
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A sensor integrated circuit comprising a controller and a diagnostic module in communication with the controller. The controller is configured for providing a diagnostic reporting signal being a periodic superposition signal on a sensing output of the sensor integrated circuit and/or on a supply current of the sensor integrated circuit. The periodic superposition signal has periodic pulses with a predetermined fixed pulse duration and a predetermined periodicity. The controller furthermore is configured for altering the predetermined periodicity or predetermined fixed pulse duration of the periodic superposition signal upon a fault detection in the diagnostic module communicated to the controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.