| 摘要 |
This invention integrates a keyboard and movement detecting means into one device. Accordingly, the present invention provides for a combined keyboard and movement detection system for inputting electronic data. The system comprises a unitary keyboard provided with a plurality of data keys for entering data. The keyboard is sized to allow for data input using two hands placed side by side. At least one means for detecting movement of said keyboard relative to a surface is further provided attached to a side of the keyboard. In another embodiment the combined keyboard and movement detection system comprises a keyboard as above and a plurality of spaced-apart means for detecting the movement of said keyboard attached to said keyboard.
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