Vehicle hazard flasher control system

Details Vehicle hazard flasher control system Vehicle hazard flasher control system

2011-06-07

2011-06-07

Bugg, George A (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

External signal light system

C362S227000

Reexamination Certificate

active

07956732

ABSTRACT:
A vehicle flasher hazard function is implemented on an electrical controller having control over vehicle exterior lights. The flasher hazard function features an optimized duty cycle and operational frequency, consistent with legal requirements for the flasher rate. The point in time that individual bulbs are turned on is staggered in time to avoid all bulbs being simultaneously activated. This distributes the current surges associated with bulb activation being distributed in time. When a vehicle battery can no longer sustain the legally mandated flasher rate an optional path for flasher operation at a reduced rate is provided.

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