作者: Koji Ogusu , Takaharu Idogaki , Naoki Matsumoto , Manabu Otsuka
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摘要: A mobile communication device can perform direct with another without providing a new circuit. The moves by driving wheels rotated motor. pressure sensor is provided on an outer surface of the body to detect contact device. control circuit maintains constant level force motor when in and receives data determining changes detected which correspond predetermined transmission data. Alternately, exchanges maybe performed using relative distance between devices.