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US 7,397,349 B2Granted
System for automatic activation and cancellation of hazard lights on a vehicle
AssigneeInternational Truck Intellectual Property Company, LLC
InventorsJeremy A. Lahr, Allyson K. Kreft, Douglas R. Taylor
Life of this patent
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Abstract
A vehicle lighting control system for a school bus allows automatic activation of hazard mode operation of the vehicle's signaling lights in response to activation of other warning lights. Deactivation follows upon the vehicle exceeding a predetermined maximum speed.
Claims1
A motor vehicle comprising:
- exterior lighting including pupil warning lights and signaling lights operable in a flashing hazard mode;
- a lighting control system including switching control for the exterior lighting;
- a park brake position indication switch indicating setting of a park brake coupled to the lighting control system;
- a vehicle speed measurement system coupled to supply speed measurement readings to the lighting control system;
- and
- a pupil warning light activation switch coupled to the lighting control system;
- the lighting control system being responsive to operation of the pupil warning light activation switch, and, as a selectable option, setting of the park brake concurrently with or after operation of the pupil warning light activation switch for activating the signaling lights in hazard mode, and being further responsive to the vehicle speed measurement system for deactivating flashing hazard mode operation of the signaling lights upon vehicle speed exceeding a predetermined maximum.
4 more elements
Dependencies are inferred from the claim text.