| 摘要 |
PROBLEM TO BE SOLVED: To speedily perform processes of higher priority, and to delete data while maintaining confidentiality. SOLUTION: When receiving a first process (S1), the image processor executes a predetermined first group of processes (S2). If receiving a second process during execution of the first group of processes (S3); the image processor compares priority between the first group of processes being executed and the process of the highest priority of the second group of processes (S5), and determines whether the former has higher priority or not (S6). When the image processor determines that the former has higher priority, it continues execution of the processes (S7). If not so, it stops the processes being executed (S8) and executes the latter processes (S9). After that, the image processor performs processes according to priorities (S10). In this manner, since processes of higher priority are speedily performed, delete processes of higher priority are also speedily performed and confidentiality of data can be also maintained. COPYRIGHT: (C)2008,JPO&INPIT
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