Uncancelled turn signal indicator

Details Uncancelled turn signal indicator Uncancelled turn signal indicator

1989-03-27

1990-03-13

Crosland, Donnie L.

Communications: electrical

Land vehicle alarms or indicators

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

340476, 340477, 3408153, B60Q 100, B60Q 140

Patent

active

049078445

ABSTRACT:
An uncancelled turn signal indicator senses both that the monitored vehicle has a speed in excess of a predetermined threshold, and that a turn signal indicator for the vehicle has been selected for more than a predetermined period of activation. Upon sensing coincidence of both conditions, audible and visual indicators are provided to the driver of the vehicle to alert the driver of this condition.

REFERENCES:
patent: 3806868 (1974-04-01), Portman
patent: 3964019 (1976-06-01), Wethe et al.
patent: 4254397 (1981-03-01), Shannon
patent: 4333071 (1982-06-01), Kira et al.
patent: 4358751 (1982-11-01), Roudebush, Jr.
patent: 4731546 (1988-03-01), Hau
patent: 4792785 (1988-12-01), Yukio et al.

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