| 摘要 |
A pointer operation apparatus having a reaction force to a user operation changes an intensity of the reaction force according to respective users and/or user's conditions by using an operation unit, a force applicator, and other units. The intensity of the reaction force is determined by the pointer operation apparatus based on a relationship between a position of a pointer on a display unit and the reaction force applied to the operation unit, and the force applicator is controlled according to the relationship and the pointer position by the pointer operation apparatus. The relationship is changed based on a history of a pointer position movement (e.g., a speed/path of a pointer movement) recorded by the pointer operation apparatus.
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