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1. 发明专利

JP2005078153A Information recorder and information recording method 审中-公开
标题翻译：信息记录器和信息记录方法
公开(公告)号：JP2005078153A
公开(公告)日：2005-03-24
申请号：JP2003304561
申请日：2003-08-28
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： USUI TSUTOMU , AZUMA MASAYUKI , KURIYAMA NORIHISA , CHIBA HIROSHI
IPC分类号： G06F3/06 , G06F12/00
摘要： PROBLEM TO BE SOLVED: To lighten the processing to update index information by setting a specific HDD for common and backup use, and by sequentially switching an HDD to be paired to set it as an original HDD, thus performing processing for recording the index information of the backup HDD.
SOLUTION: An information recorder is provided with a plurality of HDDs having data areas, index information areas including time and recording positions related to data, and index information management areas indicating whether the index information is valid or invalid. The recorder records by mirroring by using one specific HDD1 for backup and another HDD as an original paired HDD, for overwriting the data on the original HDD2; overwrites a data Key40 in the data area for the oldest index information; and records by overwriting on a recording position same as the recording position ((6) in the figure) for recording the data on the backup HDD without retrieving the index information of the backup HDD, and by using a recording position used when recording on the original HDD.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：通过设定用于通用和备份使用的特定HDD来减轻更新索引信息的处理，并且通过顺序地切换要配对的HDD来将其设置为原始HDD，从而执行用于记录备份硬盘的索引信息。解决方案：信息记录器具有多个具有数据区的HDD，索引信息区包括与数据相关的时间和记录位置，索引信息管理区指示索引信息是有效还是无效。录像机通过使用一个特定的HDD1作为备份，另一个HDD作为原始配对的HDD进行镜像记录，用于覆盖原始HDD2上的数据; 在数据区中覆盖最早索引信息的数据Key40; 并且通过重写与记录位置（图中的（6））相同的记录位置，用于将数据记录在备份HDD上，而不检索备用HDD的索引信息，并且通过使用当在备份HDD上记录时使用的记录位置原装硬盘。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2002359836A REMOTE MONITORING SYSTEM, MONITORING CAMERA DEVICE FOR THE REMOTE MONITORING SYSTEM AND MONITOR FOR THE REMOTE MONITORING SYSTEM 失效
公开(公告)号：JP2002359836A
公开(公告)日：2002-12-13
申请号：JP2001163670
申请日：2001-05-31
申请人： HITACHI LTD
发明人： NAKATOMI TOSHIHARU , SASAKI KENICHI , KURIYAMA NORIHISA , HAMANAKA ICHIRO , ARIMA HIROAKI
IPC分类号： H04N7/18 , G08B25/00 , G08B25/08 , H04N7/24 , H04N19/00 , H04N19/31 , H04N19/33 , H04N19/36 , H04N19/423 , H04N19/426 , H04Q9/00
摘要： PROBLEM TO BE SOLVED: To provide a remote monitoring system capable of displaying any past images. SOLUTION: A monitoring camera device 1 divides an image signal imaged with a camera between first image component data and second image component data to perform compression and encoding with an image information compressing part 5, stores the compressed and encoded second image component data in a second image component data storing part 6 and also transmits the compressed and encoded first image component data to a monitor 2 through a communication line 3; and the monitor 2 stores the compressed and encoded first image component data that are transmitted in a first image data storing part 13, decompresses the first image component data, converts the first image component data into an image signal with an image information decompressing part 14, displays the image signal on a display means 15, reads the compressed and encoded first image component data stored in the first image data storing part, in response to an instruction input, decompresses the first image component data for converting the first image component data into an image signal with the image information decompressing part and displays the image signal on the displaying means.

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