发明名称 |
Data access method and data access apparatus for accessing data at on-vehicle information device |
摘要 |
In a data access method for accessing data in an on-vehicle information device having an on-vehicle memory unit that allows data stored therein to be read out and overwritten by an external apparatus and an on-vehicle control unit that executes a data read and a data overwrite by controlling the on-vehicle memory unit, supplying power to the on-vehicle information device from the external apparatus when a power switch at the on-vehicle information device is in an OFF state, and reading out the data in the on-vehicle memory unit and overwriting the data through control implemented by the external apparatus.
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申请公布号 |
US2004111189(A1) |
申请公布日期 |
2004.06.10 |
申请号 |
US20030724204 |
申请日期 |
2003.12.01 |
申请人 |
XANAVI INFORMATICS CORPORATION;NISSAN MOTOR CO., LTD. |
发明人 |
MIYAZAWA HIROHISA;SONE GAKU;KOZAKI SEIICHI |
分类号 |
G01C21/00;B60R16/02;G01C21/32;G01C21/36;G01R31/00;G06F3/06;G06F7/00;G06F9/445;G08G1/0969;G11B20/10;(IPC1-7):G06F7/00 |
主分类号 |
G01C21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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