| 摘要 |
PROBLEM TO BE SOLVED: To allow a person who has long nails or a senior person whose finger tips are difficult to fix to depress his or her found keys without having his or her nails slip down the key, or depressing the next key altogether. SOLUTION: While a beginner, a senior person, or a person who has long nails are tired from frequently depressing the keys of a computer with his or her fingertips sticking out of those keys, the keys are formed with slip-proofs in the upper half as shown in a figure 1 so that the user can hardly depress the surrounding keys altogether, and calm down their nerves. Thus, the user can much strongly depress the keys by using slip-resistant raw materials for the keys. COPYRIGHT: (C)2003,JPO
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