发明申请
- 专利标题： MEMORY DEVICE, HOST DEVICE, AND MEMORY SYSTEM
- 专利标题（中）： 存储器件，主机器件和存储器系统
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申请号： US13081690申请日： 2011-04-07
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公开(公告)号： US20110258409A1公开(公告)日： 2011-10-20
- 发明人: Munetake Ebihara , Hiroshi Kuno
- 申请人： Munetake Ebihara , Hiroshi Kuno
- 申请人地址： JP Tokyo
- 专利权人： SONY CORPORATION
- 当前专利权人： SONY CORPORATION
- 当前专利权人地址： JP Tokyo
- 优先权： JPP2010-095065 20100416
- 主分类号： G06F12/14
- IPC分类号： G06F12/14
摘要：
A memory device is provided including: a storage section configured to store a content with a time limit for use; an elapsed time counting section configured to count the time limit; a battery section configured to be supplied with power from an external device accessing the time-limited content so as to be charged with power for operating the elapsed time counting section; and a control section configured to include a function of determining an expected time period during which the battery section can sustain the elapsed time counting section operating to count the time limit.
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