| 摘要 |
The invention relates to a computer input device comprising means for registering a displacement of said device relative to a substrate for selection of an item on a display panel. The computer input device comprises a device bottom, intended to face said substrate in use of said computer input device. The selection device comprises one or more protruding legs extending from said device bottom. At least one of said protruding legs is shaped to press, during use of said computer input device, a substantially streamlined hole in said substrate.
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