Abstract
An automatically balancing vehicle having a headroom monitor. The headroom monitor determines the difference between the maximum velocity of the vehicle and the present velocity of the vehicle. An alarm receives a signal from the headroom monitor and produces a warning when the headroom falls below a specified limit.
Cite
CITATION STYLE
APA
Kamen, D. L., Ambrogi, R. R., Duggan, R. J., Field, J. D., Heinzmann, R. K., Amesbury, B., & Langenfeld, C. C. (2001). Personal mobility vehicles and methods. United States Patent. United States Patent. Retrieved from https://www.google.com/patents/US6302230
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