Combination vehicle flasher having first and second flash rates

Details Combination vehicle flasher having first and second flash rates Combination vehicle flasher having first and second flash rates

1991-08-01

1993-09-21

Ng, Jin F.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340471, 340463, 340475, 340642, B60Q 1100

Patent

active

052472809

ABSTRACT:
An integrated circuit is utilized to control a switch so the flash rate and duty cycle of a flasher system is accurately regulated. The tighter control allows two flash rate and duty cycle combinations whereby a driver perceives a significant difference between the two settings, normal operation and lamp out operation. Such a feature allows one flasher to meet all Federal Motor Vehicle Safety Standards when used as a combination flasher for a 3-lamp turn signal and a 6-lamp hazard warning lighting system in vehicles.

REFERENCES:
patent: 4684819 (1987-08-01), Haag
patent: 5072210 (1991-12-01), Kimmelman

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