VEHICLE FLASHER SYSTEM FOR INDICATING EMERGENCY BRAKING
First Claim
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1. A system for activating a vehicle'"'"'s hazard warning lights, comprising:
- an on-board microprocessor based system for performing engine management functions, a means for receiving signals related to the vehicle'"'"'s speed from said on-board microprocessor based system;
a means for calculating the vehicle'"'"'s deceleration based upon said signals related to the vehicle'"'"'s speed;
a means for determining if a preset deceleration threshold has been exceeded, and a means for activating the vehicle'"'"'s hazard warning lights if said present deceleration threshold has been exceeded.
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Abstract
One embodiment of this invention discloses a system for activating a vehicle'"'"'s emergency flashers upon harsh braking or if the vehicle otherwise undergoes severe deceleration.
24 Citations
12 Claims
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1. A system for activating a vehicle'"'"'s hazard warning lights, comprising:
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an on-board microprocessor based system for performing engine management functions, a means for receiving signals related to the vehicle'"'"'s speed from said on-board microprocessor based system;
a means for calculating the vehicle'"'"'s deceleration based upon said signals related to the vehicle'"'"'s speed;
a means for determining if a preset deceleration threshold has been exceeded, and a means for activating the vehicle'"'"'s hazard warning lights if said present deceleration threshold has been exceeded. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A system for activating a vehicle'"'"'s hazard warning lights, comprising:
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an engine control unit, said engine control unit featuring a controller area network serial bus and operating using the OBD-II protocol, a means for receiving vehicle speed sensor signals from said engine control unit through said controller network serial bus;
a means for calculating the vehicle'"'"'s deceleration based upon said vehicle speed sensor signals;
a means for determining if a preset deceleration threshold has been exceeded, and a means for activating the vehicle'"'"'s hazard warning lights for a preset duration of time if said preset deceleration threshold has been exceeded, and a means for resetting the system upon the expiration of said preset duration of time.
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Specification