Invention Grant
US07694172B2 Data backup device, data backup method, and recording medium storing data backup program
有权
数据备份设备，数据备份方法和存储数据备份程序的记录介质
- Patent Title: Data backup device, data backup method, and recording medium storing data backup program
- Patent Title (中): 数据备份设备，数据备份方法和存储数据备份程序的记录介质
-
Application No.: US11712894Application Date: 2007-03-02
-
Publication No.: US07694172B2Publication Date: 2010-04-06
- Inventor: Kenji Hasegawa
- Applicant: Kenji Hasegawa
- Applicant Address: JP Tokyo
- Assignee: NEC Corporation
- Current Assignee: NEC Corporation
- Current Assignee Address: JP Tokyo
- Agency: Young & Thompson
- Priority: JP2006-065890 20060310
- Main IPC: G06F11/00
- IPC: G06F11/00
Abstract:
A data backup device according to the present invention comprises a first table, a second table, an update management part configured to perform recording in the second table an identifier of updated portion of a first memory, a table rewriting part configured to perform rewriting the first table such that the first table identifies the portion of the first memory identified by the second table, and a data copy control part configured to perform output of first data from the portion of the first memory identified by the first table.
Public/Granted literature
- US20070226439A1 Data backup device, data backup method, and recording medium storing data backup program Public/Granted day:2007-09-27
Information query
