| 摘要 |
PROBLEM TO BE SOLVED: To quickly and precisely move a pointer on a screen. SOLUTION: This input device is provided with a first pointer movement means 5 moving a pointer 4 on a screen 3a by moving an input device main body 1 and a second pointer movement means 6 moving the pointer 4 on the screen 3a by rolling a track ball 6 itself. COPYRIGHT: (C)2007,JPO&INPIT
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