| 摘要 |
This invention relates to a kind of coding method and related miniature keyboard for western characters. The invention assigns a 3-digit number that has specific value to every western letter. The 3-digit number corresponding to a letter is the code of this letter, which is composed of three numbers, namely, 0, 1 and 2. The total of corresponding modes that correlates the three-digit code with letters of alphabet is the factorial of 26, which is 4x10<SUP>26</SUP>. The data input keyboard that introduces this coding principle can be simplified as to a miniature keyboard that is consisted of only three input keys, which can be used as data input device for small portable electronic equipment and the like to replace traditional large keyboards. Besides, this coding method can be designed as a kind of tool for character games.
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