| 摘要 |
PROBLEM TO BE SOLVED: To provide ten-key with frame for a laptop personal computer which achieves independent ten-key convenient for inputting numbers in spread sheet and data input in a small laptop personal computer, and which has a function to prevent a typing error. SOLUTION: A laptop personal computer includes a body part provided on both sides to place the root of the palm at the front side, and a ten-key with frame disposed on the right or left side thereof. A frame is prepared around each key, and the keys are installed at the same height or lower than the frames in order to prevent a typing error when the root of the palm touches the ten-key during use of the keyboard. Intuitive use of the ten-key is achieved, in a similar manner as using the personal computer equipped with a general ten-key. COPYRIGHT: (C)2011,JPO&INPIT
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