| 摘要 |
A remotely-controlled vehicle, preferably configured as a golf cart is controlled by two independent driving motors operably connected each to one of the wheels. Signals for operation of the motors are generated by an infra-red signal detecting device, which detects infra-red signals from a remote source being followed by the vehicle. The infra-red signal detecting device includes two detectors which detect the source to the sides of the vehicle and turn the device in that direction by applying a differential speed to the wheels. The infra-red detecting device also includes two detectors which detect the source forwardly of the device at one of three different locations in response to which the speed of the vehicle is controlled.
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