Detection of the partial and/or total failure of a group of light sources on a vehicle
US10308178B2 · kind B2 · utility
0Cited by
1References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 4, 2017 |
| Grant date | Jun 4, 2019 |
| Priority date | — |
| Expiry date | May 4, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/58
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric power supply device for a plurality of light sources on a motor vehicle. The device includes a plurality of control units configured to control electric power supply of at least one respective light source. The control units each include a diagnostic unit configured to deliver a diagnostic signal for the respective light source. According to the invention, the device is designed to deliver two binary signals for the identification of a partial failure and for the identification of a total failure of light sources.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.