| 摘要 |
A dual purpose printer interface device has a printer connector, a printer interface, a joystick interface, a power generator, a mode selection circuit and a selection device. The mode selection circuit to automatically select the desire mode so that once the printer or the joystick are plugged into the printer connector the mode selection circuit automatically generate the proper mode selection signal to switch the operation mode. Users can just simply plug in the printer or the joystick without any further action to switch the operation mode.
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