| 摘要 |
PROBLEM TO BE SOLVED: To selectively implement plural functions through easily operation.SOLUTION: From the pen tip of an operation pen 2 up to four pen tip components project, and a user can use a change-over switch at hand to change the projection number. For an operation button allocated with a Hiragana character, a Katakana character, an alphabet character and a number, the operation button is pushed down in a state where one, two, three or four pen tip component(s) is/are projected, and then Hiragana (Hiragana 'a'), Katakana (Katakana 'a'), alphabet (A), or number (1) allocated to the operation button is/are input and displayed. |
