Communications: electrical – Land vehicle alarms or indicators – External signal light system
Patent
1989-04-12
1990-07-03
Orsino, Joseph A.
Communications: electrical
Land vehicle alarms or indicators
External signal light system
307 108, 315 77, 340431, B60Q 146
Patent
active
049395033
ABSTRACT:
The control circuit of a towing vehicle is coupled to the signal lights of a towed vehicle to allow the signal lights of the towed vehicle to be controlled by the towing vehicle. The coupling itself is conveniently located and readily made or broken. A signal blocking circuit prevents signals from the towing vehicle from affecting control circuitry in the towed vehicle.
REFERENCES:
patent: 3585453 (1971-06-01), Kawai
patent: 3849664 (1974-11-01), Bryant
patent: 4006453 (1977-02-01), Bryant
patent: 4013996 (1977-03-01), Hubbard
patent: 4270115 (1981-05-01), Bonnett
patent: 4670736 (1987-06-01), Ulrich
"Tips for Wiring Tow Car Lights-Family Motor Coaching", Mar. 1989.
"Wiring Today's Car Lights for Towing-Family Motor Coaching", Mar. 1989.
Orsino Joseph A.
Swarthout Brent A.
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