Selectable flash sequence for a road vehicle light system
US6982637B2 · kind B2 · utility
Inventor
Key dates
| Filing date | May 2, 2002 |
| Grant date | Jan 3, 2006 |
| Priority date | — |
| Expiry date | May 2, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Q1/381
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A road vehicle road vehicle direction indicator light system 1 comprises front and rear lamps 2, 4 for the nearside and front and rear lamps 6, 8 for the offside of the vehicle, a battery 10 power source connected to an ignition switch 12, a hazard warning switch 14 and a flasher control unit 16 connected to an indicator switch 18. With the exception of the flasher control unit 16 the other individual elements of the road vehicle indicator light system 1 are fairly standard.The flasher control unit 16 is electronically controlled and comprises a microprocessor having a plurality of selectable lamp flash sequences stored in a non-volatile memory. The lamp flash sequences maybe pre-programmed into the non-volatile memory. Each flash sequence is assigned a unique number within the microprocessor coding. The flasher unit 16 has a receivable input signal from the indicator switch 18. The flasher unit 16 controls the frequency of the on/off flashing of the lamps 2, 4, 6, 8.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.