发明名称 Portable electronic device
摘要 In a portable electronic device, pointer information used to access files which are divided into a plurality of record data areas is held for each logical channel, and when a file selection command which specifies a logical command is received from the exterior, access to the file is controlled based on pointer information corresponding to the logical channel specified by the file selection command.
申请公布号 US2005132151(A1) 申请公布日期 2005.06.16
申请号 US20040006784 申请日期 2004.12.08
申请人 KABUSHIKI KAISHA TOSHIBA 发明人 KURIYAMA RYOUICHI
分类号 G06F12/14;G06F21/00;G06F21/24;G06K19/07;G06K19/10;G07F7/10;(IPC1-7):G06F12/00 主分类号 G06F12/14
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