| 摘要 |
This invention is a variable automatic forward/reverse control device for an unattended baby cart which is particularly designed for the housewife who is too busy at home to take care of her baby in the cart. Placing the baby in this cart equipped with this control device and taking advantage of the device may make this cart automatically advance a preset distance and then automatically back a preset distance, without worrying about this cart ramming against a room wall or some stationary objects indoors. Thus, the baby will feel quite safe and not cry. In addition, this cart may be provided with music to let the housewife use her spare time to do some handicraft or other chores. Furthermore, the timing equipment or rang-finding computer in the control device may be adjusted to close to zero time so that this cart can slightly vibrate to-and-from in situ so that in such circumstances, the baby will not cry.
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