| 摘要 |
PROBLEM TO BE SOLVED: To make an operated button in any out of plural click buttons easily confirmed, and to make a trouble in a switch system of the click button discriminated clearly from that in a computer side. SOLUTION: The operated button in any out of the plural click buttons is easily confirmed, and the trouble in the switch system of the click button is discriminated clearly from that in the computer side, by providing a click sound generating means for generating clock sounds different respectively in their tone qualities when the left and right click buttons of a mouse device are pressed.
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