| 摘要 |
PROBLEM TO BE SOLVED: To provide a mobile communication device and an input device interface used for the same type of devices. SOLUTION: A mobile electronic device includes: an earphone/microphone port; an I/O circuit to receive a modulated data signal from data input devices via the earphone/microphone port; and a processor unit programmed to extract data from the modulated data signal. The processor unit (or the I/O circuit) detects connection of a device to an earphone/microphone connector of the mobile electronic device and determines whether the connected device is a data input device or not. If the connected device is a data input device, the processor unit is programmed to extract data from modulated data signals generated by the data input device. COPYRIGHT: (C)2011,JPO&INPIT
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