| 摘要 |
A DATA INPUT DEVICE IS COMPOSED OF A DISPLAY SCREEN (5) ON WHICH A KEYBOARD APPEARS, AND A TABLET (3) THAT COVERS THE SCREEN (5). KEYS ARE DISPLAYED IN SUCH A MANNER THAT A SINGLE ALPHABETIC CHARACTER APPEARS IN A SINGLE KEY REPRESENTATION AREA. A MARK WITH A PEN (7) ON THE TABLET (3) INDICATES THE TRANSFORMATION OR MODIFICATION OF THE SPECIFIED CHARACTER, SUCH THAT A CHARACTER INDICATED BY A TOUCH IS ENTERED IN LOWERCASE, AND A CHARACTER INDICATED BY A CHECK IS ENTERED IN UPPERCASE. FURTHERMORE, BY DISPLAYING A PLURALITY OF SYMBOLS IN A SINGLE KEY REPRESENTATION AREA, ONE OF THE SYMBOLS CAN BE SELECTED AND ENTERED, DEPENDING ON THE WAY OF TOUCHING. (FIG. 3)
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