| 主权项 |
1. A multi-mode touch input device, comprising:
a first touch input device generating a first touch signal; and a second touch input device generating a second touch signal, wherein when a first lateral surface of the first touch input device and a first lateral surface of the second touch input device are combined together, both of the first touch input device and the second touch input device are operated in a keyboard mode, and the first touch input device and the second touch input device are collaboratively defined as a touch keyboard, wherein when a second lateral surface of the first touch input device and a second lateral surface of the second touch input device are combined together, both of the first touch input device and the second touch input device are operated in a handwriting tablet mode, and the first touch input device and the second touch input device are collaboratively defined as a handwriting tablet. |
