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    DISC INFORMATION OUTPUT METHOD, PROGRAM, AND RECORDING MEDIUM
    2.
    发明公开
    DISC INFORMATION OUTPUT METHOD, PROGRAM, AND RECORDING MEDIUM 审中-公开
    PLATTENINFORMATIONSAUSGABEVERFAHREN，PROGRAMM UND AUFZEICHNUNGSMEDIUM

    公开(公告)号：EP1447805A4

    公开(公告)日：2005-05-25

    申请号：EP03758714

    申请日：2003-10-07

    Applicant: MATSUSHITA ELECTRIC IND CO LTD

    Inventor： NISHIMURA TAKUYA

    IPC: G06F3/06 ,  G11B19/12 ,  G11B20/10 ,  G11B20/12 ,  H04L12/28 ,  H04N5/00

    CPC classification number: G11B20/1217 ,  G11B19/12 ,  G11B20/10 ,  G11B20/12 ,  G11B2020/10879 ,  G11B2220/2562

    Abstract: When a disc is reformatted with the disc remaining inserted and its disc type is changed, the disc cannot be controlled in compliance with the standards corresponding to the new disc type. The method comprises the steps of outputting information, which indicates that disc information cannot be read, from a DVD recorder (200) to an STB (100) which has the descriptor read right in response to a disc information read request from the STB (100), during the initialization of an interchangeable disc; and obtaining a disc descriptor identifier from the DVD recorder (200) when the STB (100) issues a request for the disc descriptor read right for the first time after the information which indicates that disc information cannot be read is output from the DVD recorder (200) to the STB (100).

    Abstract translation: 当通过重新格式化插入的盘来改变盘的种类时，不能按照与重新格式化的盘的种类对应的标准进行控制。 提供了一种输出步骤，当DVD记录器200从具有描述符的读取权的STB 100接收到来自具有读取权限的STB 100的盘信息的读取请求时，向STB 100输出指示读取磁盘信息是不可能的信息 在可替换盘的初始化期间，以及从DVD记录器200获取描述符标识符的获取步骤，当STB 100再次请求DVD记录器200输出到STB 100之后的读取权时，该信息指示读取 磁盘信息是不可能的。

    DISC INFORMATION OUTPUT METHOD, PROGRAM, AND RECORDING MEDIUM
    3.
    发明公开
    DISC INFORMATION OUTPUT METHOD, PROGRAM, AND RECORDING MEDIUM 审中-公开
    板信息输出方法，程序和记录介质

    公开(公告)号：EP1447805A1

    公开(公告)日：2004-08-18

    申请号：EP03758714.4

    申请日：2003-10-07

    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

    Inventor： NISHIMURA, Takuya

    IPC: G11B20/10 ,  G11B20/12 ,  G06F3/06

    CPC classification number: G11B20/1217 ,  G11B19/12 ,  G11B20/10 ,  G11B20/12 ,  G11B2020/10879 ,  G11B2220/2562

    Abstract: When the kind of disk is changed by reformatting the disk inserted, a control cannot be made in accordance with the standard corresponding to the kind of the reformatted disk.
    There are provided an output step of outputting to an STB 100 the information indicating that reading the disk information is impossible when a DVD recorder 200 receives a read request of the disk information from the STB 100 having a read right of the descriptor during initialization of the replaceable disk, and an acquisition step of acquiring a descriptor identifier from the DVD recorder 200, when the STB 100 requests again the read right of the descriptor firstly after the DVD recorder 200 outputs to the STB 100 the information indicating that reading the disk information is impossible.

    Disk track emulation system and method
    8.
    发明授权
    Disk track emulation system and method 失效
    磁盘跟踪仿真系统和方法

    公开(公告)号：EP0488700B1

    公开(公告)日：1998-03-04

    申请号：EP91310974.0

    申请日：1991-11-28

    Applicant: FUJITSU LIMITED

    Inventor： Matsushima, Hitoshi, c/o Fujitsu Limited

    IPC: G06F3/06

    CPC classification number: G06F3/0601 ,  G06F2003/0697 ,  G11B20/1262 ,  G11B2020/1087 ,  G11B2020/10879 ,  G11B2020/1257 ,  G11B2220/2508

    Abstract: The invention relates to a disk track emulation system and method, whereby, when a disk device is replaced by a new disk device having a disk track with a data format different from that of the active device, a program in an active host device can be used as it is, in the same way as in the active disk device, without reforming the program. To maintain the a compatibility, using the characteristic that the data format is divided by a unit called a cell having a constant number of bytes, and writing, into a home address area and a count area in the new data format, cell position data with the new data format, and compatible cell position data with respect to the active data format in which the compatibllity should be maintained.

    Magnetic recording disk
    10.
    发明公开
    Magnetic recording disk 失效
    Magnetische Aufzeichnungsplatte。

    公开(公告)号：EP0681287A3

    公开(公告)日：1996-02-28

    申请号：EP95110805.9

    申请日：1991-01-17

    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION

    Inventor： Hetzler, Steven Robert

    IPC: G11B20/10 ,  G11B21/10 ,  G11B19/02 ,  G11B27/30 ,  G11B5/596

    CPC classification number: G11B20/10 ,  G11B5/59655 ,  G11B20/1201 ,  G11B20/1258 ,  G11B27/3027 ,  G11B2020/1087 ,  G11B2020/10879 ,  G11B2020/10916 ,  G11B2020/1257 ,  G11B2020/1282 ,  G11B2220/20 ,  G11B2220/90

    Abstract: A method and means is described wherein servo sectors written on a disk (or servo sections written on a tape) are equally spaced on a given track and read during seek, settle and track following operations. An algorithm is used to determine the allowable time separation between servo sectors (or sections) on a track and lengths of associated data sections, such as data sectors or variable length records, that may be accommodated on the disk or tape in such manner that each of the servo sectors (or sections) equally spaced on a given track is located within a data field of a data sector or within an identification region or immediately after an address indicating mark (such as address marker index mark). The rate at which the servo sector (or section) is sampled is constant and independent of the number and lengths of the data sections. As a result of this independent relationship, this technique is suitable for CLD recording, to banded disks using sectored servo as in conventional FBA, and also even to non-sectored architectures, such as count-key-data (CKD), wherein the data is written in records of variable length, and to tape drives formatted in FBA or CKD.

    Abstract translation: 描述了一种方法和装置，其中写入盘（50）上的伺服扇区（30）（或写在磁带上的伺服部分）在给定的轨道上等间隔并且在寻找，结束和追踪跟随操作期间读取。 使用算法来确定轨道上的伺服扇区（30）（或部分）和相关数据段（诸如数据扇区或可变长度记录）的长度之间的可允许时间间隔，其可以容纳在盘或磁带上 在给定磁道上等距间隔的每个伺服扇区（或部分）位于数据扇区（M）的数据字段（27分钟）内或识别区域内（22分钟）内或位于指示标记之后 （52）（如地址标记或索引标记）。 伺服扇区（或部分）采样的速率是恒定的，与数据段的数量和长度无关。 作为这种独立关系的结果，该技术适用于CLD记录，使用传统FBA中的分区伺服的带状磁盘，甚至适用于诸如计数密钥数据（CKD）的非分段架构，其中数据 以可变长度的记录写入，并以CKD的FBA格式化的磁带驱动器。

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