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    • 4. 发明专利
    • Information recording format and information recording medium
    • 信息记录格式和信息记录介质
    • JP2005196609A
    • 2005-07-21
    • JP2004003787
    • 2004-01-09
    • Matsushita Electric Ind Co Ltd松下電器産業株式会社
    • OKADA TAKAFUMIISHIDA KEIICHISAITO HIROSHI
    • G06F12/16G06F3/06G06F12/00G06F12/02
    • G06F12/0246G06F3/0616G06F3/0644G06F3/0679G06F2212/1036G06F2212/7211
    • PROBLEM TO BE SOLVED: To solve the problem that a memory block of a group including information to be frequently updated reaches rewriting lifetime early when it is impossible to change the number of preliminary blocks prepared in advance inside a semiconductor memory card or when the memory block is divided into a plurality of groups so as to be alternately processed, .
      SOLUTION: This recording format is provided with a partition management information area and a partition area, and the partition management information area includes the start position information of the partition area, and the start position information is recorded with a value by which a predetermined area is secured between the end of the partition management information area and the beginning of the partition area, and the area secured between the end of the partition management information area and the beginning of the partition area is provided by using a format in a state that physically data are erased.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了解决当不可能改变在半导体存储卡内预先准备的预备块的数量时,包括要频繁更新的信息的组的存储块提前到达重写寿命的问题,或者当 存储块被分成多个组,以便被交替地处理。 解决方案:该记录格式具有分区管理信息区域和分区区域,并且分区管理信息区域包括分区区域的开始位置信息,并且开始位置信息以 在分区管理信息区域的端部与分割区域的开头之间确保预定区域,并且通过使用状态的格式来提供在分区管理信息区域的末端和分区区域的开始之间保护的区域 物理数据被擦除。 版权所有(C)2005,JPO&NCIPI
    • 10. 发明专利
    • Recording and reproducing apparatus
    • 记录和再现设备
    • JP2005110195A
    • 2005-04-21
    • JP2003395362
    • 2003-11-26
    • Matsushita Electric Ind Co Ltd松下電器産業株式会社
    • OKADA TAKAFUMISHIMOTASHIRO MASAFUMIGOTOU YOSHITOSHISAKAUCHI TATSUJI
    • H04N5/91G11B20/10G11B27/034
    • PROBLEM TO BE SOLVED: To provide a recording and reproducing apparatus capable of after-recording editing for a disk determined as impossible for after-recording editing with a conventional method and reproducing the after-recording edited data in the disk, by devising an access method for one cycle in iteration processing of after-recording editing. SOLUTION: The apparatus comprises a pickup for recording or reproducing information and a controller for controlling operation of the pickup. An information record medium comprises a main sequence and an additional sequence. A data block including original audio data and original video data is continuously recorded in the main sequence. A data block of audio data of after-recording is continuously recorded in the additional sequence. The additional sequence is formed in a region separated from the one for the main sequence. During reproduction of the information record medium, the controller controls operation of the pickup. The controller controls the pickup to access a main sequence and an additional sequence alternately and reproduce a plurality of data blocks collectively for each access. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种记录和再现装置,其能够对通过常规方法确定为不可能进行后记录编辑的磁盘进行后记录编辑,并且通过设计将再现记录后的编辑数据再现 用于后记录编辑的迭代处理中的一个周期的访问方法。 解决方案:该装置包括用于记录或再现信息的拾取器和用于控制拾取器的操作的控制器。 信息记录介质包括主序列和附加序列。 包含原始音频数据和原始视频数据的数据块以主序列连续记录。 后续记录的音频数据的数据块以附加顺序连续记录。 附加序列形成在与用于主序列的区域分离的区域中。 在信息记录介质的再现期间,控制器控制拾取器的操作。 控制器控制拾取器交替地访问主序列和附加序列,并且为每个访问共同再现多个数据块。 版权所有(C)2005,JPO&NCIPI