Volume increasing flasher unit for turn signal system

Details Volume increasing flasher unit for turn signal system Volume increasing flasher unit for turn signal system

1990-08-23

1992-03-24

Ng, Jin F.

Communications: electrical

Land vehicle alarms or indicators

External signal light system

340474, 340457, G09G 322

Patent

active

050992228

ABSTRACT:
A flasher unit is provided which can plug into the standard flasher receptacle of a turn signal system of a vehicle. When the vehicle operator selects a turn signal lamp by operation of the turn signal switch, the flasher unit will cycle the chosen lamp on and off at a predetermined rate for as long as the turn signal switch is closed. The flasher unit will also operate an audible signal to indicate that the turn signal system is in operation, with the level of the audible signal progressively increasing in the event that the operator forgets to restore the turn signal switch to the off position.

REFERENCES:
patent: 2835879 (1958-05-01), du Rocher
patent: 3445810 (1969-05-01), Donohoo
patent: 3689832 (1972-09-01), Leto
patent: 4933665 (1990-06-01), Bull

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