Communications: electrical – Land vehicle alarms or indicators – External signal light system
Patent
1994-07-13
1995-12-19
Peng, John K.
Communications: electrical
Land vehicle alarms or indicators
External signal light system
340331, 340326, 340474, 340475, 340427, 340432, 315200A, B60Q 152
Patent
active
054772087
ABSTRACT:
An emergency flasher circuit for use with motor vehicles comprising an emergency switch, a signal generator for generating a signal having a frequency of approximately 10 Hz, and logic circuitry for selectively applying the signal to the headlight(s), and/or to one or both of the left and right turn indicator lights, for alerting other drivers to the presence of the motor vehicle. Alternatively, an optical shutter may be connected to the logic circuitry, and the headlight(s) or one or both of the left and right turn indicator lights for causing light generated by the headlight(s) and/or the turn indicator lights to flash at approximately 10 Hz upon activation of the horn switch, for alerting other drivers to the presence of the motor vehicle.
REFERENCES:
patent: 4286308 (1981-08-01), Wolff
Henderson Steven
Kernaghan David
Peng John K.
Perry Stephen J.
Pope Daryl C.
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