| 摘要 |
PURPOSE: An input device having a wheel function and a method for driving the same are provided to supply an input device having a wheel besides a mouse and perform a wheel function using a conventional mouse corresponding unit, that is, a touch pad, a track ball, or a wheelless mouse without appending an additional scroll device. CONSTITUTION: A plurality of character and numeral keys is mounted in a keyboard(100). In addition, a touch pad(or track ball)(115) and the left and right buttons(117,119) for a touch pad are provided. The left and right buttons(117,119) are corresponded to the left and right buttons of a general mouse. A scroll wheel(111) is mounted in the keyboard(100). The scroll wheel(111) is positioned adjacent to the touch pad(115). The keyboard(100) includes a key matrix having a plurality of character and numeral keys, a movement detecting unit for detecting a movement of a user finger contacted with the touch pad(115), and two button operation detecting units for detecting operations of the left and right buttons(117,119). In addition, the keyboard(100) includes a wheel position detecting unit and a wheel press detecting unit for sensing an operation of the scroll wheel(111).
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