| 摘要 |
When a process (interrupt process) causing no problem in the content copyright management but to be executed with a higher priority than a content reproduction such as a telephone call or alarm display is started or ended during a content reproduction/execution, process judgment means (308) reports it to control means (305). The control means (305) outputs a reproduction interrupt instruction for temporarily stopping the use time measurement and interrupting the content reproduction to reproduction/execution means (304) and outputs a reproduction resume instruction for resuming the use time measurement and resuming the content reproduction to the reproduction/execution means (304) in accordance with the end report of process judgment means (308).
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