Pedestrian warning system providing adjustable acoustic indications
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United States of America Patent
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Jan 16, 2018
Grant Date -
Dec 14, 2017
app pub date -
Jun 14, 2016
filing date -
Jun 14, 2016
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Abstract
Systems and methods are disclosed for a pedestrian warning system. An example disclosed method to simulate noise for an electric or noise-dampened vehicle to warning pedestrians includes producing a first sound at a first frequency range from a first sound generator located at a front of the vehicle. The method also includes producing a second sound at a second frequency range from a second sound generator located under the vehicle. Additionally, the example method includes adjusting the acoustic characteristics of the first and second sounds based on vehicle motion data.
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