| 摘要 |
The invention provides an input device which includes a gripping part, a pointing part, and at least one depressible part furnished in such a manner that while holding the gripping part by hand, a user may manipulate the pointing and depressible parts with fingertips to perform the same kinds of operations as those of a mouse. The input device may include a rotating and/or a pivoting part and at least one operating element which provide a still wider variety of functions when operated.
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