Automatic vehicle light relay switching system for providing daytime running lights
US5886471A · kind A · utility
2Cited by
18References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 1997 |
| Grant date | Mar 23, 1999 |
| Priority date | — |
| Expiry date | Mar 17, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Q2300/314
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Relay switching circuits for supplying power to a vehicle exterior lighting system to provide for daytime running lights and which are controlled by solid state logic circuits, depending upon the condition of either or both of the vehicle starter and ignition switches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.