| 摘要 |
Through operation of a software keyboard displayed on the screen, and without creating physical protrusions or depressions, this input device enables easy and reliable key operations even without visual confirmation of the keyboard. A display portion of a touch panel displays a software keyboard having a prescribed array of keys. An input portion is attached to the display portion, and is capable of user input operations. Based on the user's touch position on the touch panel, a control portion determines if said touch position is in a specific position pre-set as the home position of the software keyboard. When the touch position is in the specific position, a notification portion notifies the user by a prescribed notification. By this means, the user can determine when he or she touches the home position while performing touch operations even without visual confirmation of the software keyboard.
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