| 摘要 |
A wireless input device 1 for relaying commands to a computer, the input device comprising a wireless transmitter, at least one array of keys 4 and a touch-sensitive tracking device 7 for inputting of commands by a user. The keys 4 may be in the form of a QWERTY keyboard, or a reduced set of keys may be provided wherein each key corresponds to a plurality of characters and predictive text or sequential key presses may be employed. A second set of control keys 6 is preferably provided. At least one key may be user-defined. The touch sensitive tracking device may be a track ball or a touch pad. If a touch pad is employed then it may be divided into more than one area, each having a specific function such as scrolling. The device preferably includes a docking cradle (see figure 7) which can recharge the device when installed. The docking cradle may connect to a computer via a USB connector and contain memory for software storage.
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