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US06926106B2 Wheelchair having speed and direction control touchpad 失效
轮椅有速度和方向控制触摸板

Wheelchair having speed and direction control touchpad
摘要:
A wheelchair having a speed and direction control touchpad. The touchpad comprises two separated semi-conductive film layers, one measuring an X coordinate and one measuring a Y coordinate. When pressure is applied to the layers bringing them into contact with each other, an X, Y coordinate location is produced and the wheelchair is moved in a direction and speed analagous to the location of the pressure applied to the touchpad. A change in location of the pressure will result in a corresponding change in direction and speed. The touchpad also has a neutral or no movement activation point.
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