Braking intensity light
First Claim
Patent Images
1. A brake light controller, comprising a braking level sensor;
- a brake light modulator responsive to signals from said sensor, wherein said modulator modulates intensity or pulse rate or both of at least one brake light, wherein said modulation occurs in discrete steps and the illuminated lights at each discrete step are the same.
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Abstract
Brake light control device is described that provides enhanced warning signals using stepped light intensity increases and/or flash rate indicative of braking level and/or determinations of hazard level posed by overtaking vehicles.
139 Citations
50 Claims
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1. A brake light controller, comprising
a braking level sensor; -
a brake light modulator responsive to signals from said sensor, wherein said modulator modulates intensity or pulse rate or both of at least one brake light, wherein said modulation occurs in discrete steps and the illuminated lights at each discrete step are the same. - View Dependent Claims (2, 3, 4, 5, 6, 8, 14, 15, 16, 17, 18, 19, 21, 22, 25, 26, 27, 28, 29, 30)
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31. A rear vehicle light controller, comprising
a trailing vehicle distance sensor and a computer, wherein said computer calculates a trailing vehicle closing rate based on signals from said trailing vehicle distance sensor; a rear vehicle light controller, wherein said controller modulates at least one rear vehicle light when said closing rate exceed a threshold rate when said trailing vehicle is within a selected distance. - View Dependent Claims (32, 33, 34)
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Specification