发明授权
- 专利标题： Data processing apparatus, a data processing method, a data recording medium on which data processing program that is readable by a computer are recorded, and a recording medium
- 专利标题（中）： 数据处理装置，数据处理方法，记录有计算机可读取的数据处理程序的数据记录介质和记录介质
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申请号： US10025809申请日： 2001-12-26
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公开(公告)号： US07346932B2公开(公告)日： 2008-03-18
- 发明人: Tomo Watanabe , Kenichiro Yano
- 申请人： Tomo Watanabe , Kenichiro Yano
- 申请人地址： JP Tokyo-to
- 专利权人： Pioneer Corporation
- 当前专利权人： Pioneer Corporation
- 当前专利权人地址： JP Tokyo-to
- 代理机构： Drinker Biddle & Reath LLP
- 优先权： JPP2000-398918 20001227
- 主分类号： G06F12/14
- IPC分类号： G06F12/14 ; H04K1/00
摘要：
A navigation apparatus having a hard disk (called HD below) recording and reproduction unit and comprising: a password memory unit that stores a unique first password for each individual navigation apparatus, and that is used when recording data on or reproducing data from a first HD; the HD recording and reproduction unit that performs recording or reproduction by the first password; and a system control unit, which determines whether or not it is possible to use a second password for recording data on or reproducing data from a second HD that is used for updating the data on the first HD, and when it determines that it is possible to do, it updates the data on the first HD with one on the second HD, then it changes the second password to the first password.
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