| 摘要 |
The present invention discloses an electronic device (1) comprising a touch sensitive screen (10), on which graphical information (60) is presented. Covering the screen (10), a cover member (4), either pivotal, sliding or fixed, with a number of keys (5) is provided. At least a portion of the cover member (4), including the keys (5) are made of transparent material, allowing the graphical information (60) on the screen (10) to be visible through the cover member (4). If the keys (5) are transparent, multi-functional programmable keys are obtained since the information (60) displayed therethrough may change as the operation of the device (1) changes. Consequently, a single key (5) may display all from figures and letters to symbols, e.g. arrows, depending on the actual operation. In addition, text-rich messages, images and films may be viewed through the cover member (4) and at the same time being modifiable, e.g. zoomed, simply by depressing a key (5). A method for operation control of such an electronic device (1) is also disclosed.
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