Patent ID: 8378978

Claim:
An input/output apparatus comprising: a main body comprising: a power supply for providing electric power; a driver capable of generating drive signals, the driver being connected to the power supply; and a controller connected to the power supply; a display module fixed to the main body and connected to the power supply, the display module being driven by the driver to display information, the display module comprising: a display for displaying information according to the drive signals, the display being E-paper type; and a sensor attached to the display, the sensor being capable of sensing external operations and generating corresponding sensor signals; and another display module comprising a display of E-paper type, wherein the display modules are substantially have a same size and rotationally fixed to the main body, the display modules are selectively configured to overlap by rotating with respect to the main body, the displays of the display modules face each other when the display modules overlap; wherein the controller is connected to the sensor and configured for receiving the sensor signals and automatically controlling the sensor to adjust the on/off status and/or the sensitivity of the sensor.