发明名称 File-update apparatus for updating a file recorded on a recording medium
摘要 A file-update apparatus, which can mount a removable information recording medium storing a FAT and a directory entry that show a storage location, on the medium, of data constituting a content of a file, and which executes a plurality of update procedures to update the file, records progress information showing which of the update procedures have been executed in updating the file into an internal memory having a continuous power supply. Even if an abnormal stoppage of the update procedures caused by a power-down or the like occurs during updating of the FAT, for example, the progress and update information remain in the memory. Thus, the FAT and the like can be re-updated and inconsistencies resolved using this information, after recovering from the abnormal stoppage.
申请公布号 US7533378(B2) 申请公布日期 2009.05.12
申请号 US20030685539 申请日期 2003.10.16
申请人 PANASONIC CORPORATION 发明人 MAEDA TAKUJI;INOUE SHINJI
分类号 G06F9/44;G06F3/06;G06F11/14;G06F12/00;G06F12/16;G06F17/30 主分类号 G06F9/44
代理机构 代理人
主权项
地址