TRACKING TOY VEHICLE
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United States of America Patent
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Issued Date -
Feb 9, 2017
app pub date -
Mar 3, 2016
filing date -
Aug 4, 2015
priority date (Note) -
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Abstract
A tracking toy vehicle includes a vehicle body, a left drive wheel, a right drive wheel, a sensing device installed at bottom of the vehicle body for sensing a tracking line, a controller electrically connected to the sensing device, a left driving device for driving the left drive wheel to steer, and a right driving device for driving the right drive wheel to steer. The sensing device includes a first sensor and a second sensor respectively installed on left and right sides of an axle of the vehicle body, for respectively sensing whether the toy vehicle is following the tracking line. The sensing device can identify the tracking line under the vehicle body to confirm the location of the tracking line, and then the controller changes the rotational speed of the left driving device or the right driving device to steer the toy vehicle along the tracking line.
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