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Proportional Automobile Brake Light Disclosure Number: IPCOM000010525D
Original Publication Date: 2002-Dec-11
Included in the Prior Art Database: 2002-Dec-11

Publishing Venue



Currently the only indication that a vehicle is stopping is the binary signal of brake-lights. A following driver must discern the rate at which the vehicle is decelerating based on how quickly the gap between the vehicles narrows. This delay in driver reaction can be crucial when the leading vehicle is braking hard. The solution is the addition of a brake signal that varies with rate of deceleration of the vehicle. This article describes such a brake-light.