Lighting control apparatus with diagnosis and warning feature
US8736173B2 · kind B2 · utility
2Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2011 |
| Grant date | May 27, 2014 |
| Priority date | — |
| Expiry date | Jan 21, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/52
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A lighting control apparatus for a vehicle is provided which works to diagnose a malfunction of a light source which includes a plurality of lighting devices such as LEDs and emits light outside the vehicle. The lighting control apparatus determines a state of the vehicle. When the light source is determined to be malfunctioning, the lighting control apparatus operates the light source in one of predetermined warning lighting modes which is selected based on the state of the vehicle. This attracts a vehicle user's attention to the malfunctioning light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.