| 摘要 |
PROBLEM TO BE SOLVED: To improve security without the need of an extra operation. SOLUTION: An operation input device includes: an operation unit having operation keys; and a determiner for allocating a code in accordance with the combination of operations of the operation keys in advance, and for determining that a code corresponding to the combination of operations of the operation keys is input, when the operation keys are operated. COPYRIGHT: (C)2011,JPO&INPIT
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