| 摘要 |
PURPOSE: A touch screen of a portable terminal is provided to form grooves, corresponding to keys displayed on a display of the portable terminal, on a film, which is attached on the touch screen for inputting data by using a tactile sense and prevents a stylus pen from slipping on the touch screen. CONSTITUTION: The device comprises a film(13) attached on a touch screen(11) of a portable terminal. The film(13) forms grooves(15) on a surface corresponding to keys displayed on a display of the portable terminal, specially frequently used keys such as an enter key. The user pushes a stylus pen or a finger on the groove(15), corresponding to an icon or a key, for executing a specific instruction or inputting data. So the userdepends on a tactile sense of a finger, not a visual sense in pushing the stylus pen or the finger on a frequently used icon or key of the touch screen(11).
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