METHOD AND DEVICE FOR CONTROLLING TRACKING OF OPTICAL MEMORY CARD
    3.
    发明申请
    METHOD AND DEVICE FOR CONTROLLING TRACKING OF OPTICAL MEMORY CARD 审中-公开
    用于控制光记忆卡跟踪的方法和装置

    公开(公告)号:WO1998007146A1

    公开(公告)日:1998-02-19

    申请号:PCT/JP1997002836

    申请日:1997-08-15

    Abstract: A method and device for controlling the tracking of an optical memory card by which synchronism can be established easily, a track holding mistake can be detected and corrected easily, high speed operation can be realized and the double-writing, etc. can be avoided. The guide tracks (2) for optical memory cards are composed of the rows of guide track segments (4, 4a, 4b, 4c and 4d). A synchronizing signal is extracted from the row pattern of the guide tracks detected by photodetectors (11 and 12) and a data recording track (1) is identified to establish synchronism and a track holding mistake is detected and corrected.

    Abstract translation: 用于控制光存储卡的跟踪的方法和装置可以容易地建立同步,可以容易地检测和校正轨道保持错误,可以实现高速操作,并且可以避免双重写入等。 用于光学存储卡的引导轨道(2)由导轨段(4,4a,4b,4c和4d)的行组成。 从由光电检测器(11和12)检测到的导轨的行图案中提取同步信号,并且识别数据记录轨道(1)以建立同步,并且检测和校正轨道保持错误。

    METHOD FOR DETECTING TRANSIENT WRITE ERRORS IN A DISK DRIVE
    4.
    发明申请
    METHOD FOR DETECTING TRANSIENT WRITE ERRORS IN A DISK DRIVE 审中-公开
    用于检测磁盘驱动器中的瞬态写入错误的方法

    公开(公告)号:WO1997041564A1

    公开(公告)日:1997-11-06

    申请号:PCT/US1997006541

    申请日:1997-04-16

    CPC classification number: G11B20/182 G11B19/04 G11B33/14

    Abstract: A method for reducing write errors in a disk drive system is presented. When the flying height of a read/write head above a disk surface becomes too great, the signal strength diminishes and data write errors will occur. Often these increases in flying height are transient. Flying height increases are determined by detecting servo mark and sector information read errors. Recently written data is verified after detection of flying height induced errors.

    Abstract translation: 介绍了一种减少磁盘驱动器系统写入错误的方法。 当磁盘表面上的读/写磁头的飞行高度变得太大时,信号强度会降低,并且会发生数据写入错误。 通常这些飞行高度的增加是短暂的。 通过检测伺服标记和扇区信息读取错误来确定飞行高度增加。 检测到飞行高度引起的误差后,验证最近的书面数据。

    METHOD OF TESTING A RECORDING MEDIUM, AND A DEVICE FOR CARRYING OUT THE METHOD
    5.
    发明申请
    METHOD OF TESTING A RECORDING MEDIUM, AND A DEVICE FOR CARRYING OUT THE METHOD 审中-公开
    测试记录介质的方法和实现方法的设备

    公开(公告)号:WO1992017985A1

    公开(公告)日:1992-10-15

    申请号:PCT/CH1992000061

    申请日:1992-04-02

    CPC classification number: G11B27/36 G11B20/182 H04N17/06

    Abstract: In the method disclosed, an erasable-recording medium (1) with recorded data which must be retained is passed in the direction of motion through a test-signal read-out device (R2), a first erasing device (E1), a test-signal recording device (W1), a test-signal read-out device (R1), a second erase device (E2) and a recording device (W2) for the data read off by the test-signal read-out device (R2). The test signal is generated and tested in a device (6) which also controls a signal-processing and control device (8) located in the path (7) of the signals.

    Abstract translation: 在所公开的方法中,具有必须保留的记录数据的可擦除记录介质(1)通过测试信号读出装置(R2),第一擦除装置(E1),测试 - 信号读出装置(R2),测试信号读出装置(R1),第二擦除装置(E2)和记录装置(W2) )。 测试信号在还控制位于信号的路径(7)中的信号处理和控制设备(8)的设备(6)中生成和测试。

    DEVICE FOR OBTAINING STATISTICAL CHARACTERISTICS OF MAGNETIC RECORD-REPRODUCTION CHANNEL
    6.
    发明申请
    DEVICE FOR OBTAINING STATISTICAL CHARACTERISTICS OF MAGNETIC RECORD-REPRODUCTION CHANNEL 审中-公开
    用于获取磁记录传播通道的统计特性的设备

    公开(公告)号:WO1982002614A1

    公开(公告)日:1982-08-05

    申请号:PCT/SU1981000010

    申请日:1981-01-28

    CPC classification number: G11B20/182 G11B27/36

    Abstract: A device for obtaining statistical characteristics of a magnetic record-reproduction channel comprises pulse generators (1, 2) connected to pulse counters (13, 12) and further connected to a code dialing unit (3) and to an electron key (10). The code dialing unit (3) is connected to a record amplifier (5) connected in its turn to the magnetic head (7) which is connected to a reproduction amplifier (6). The device comprises as well a delay element (18) which is connected to the output of the code dialing unit (4) and further comprises a logical unit (17) connected with its inputs to the electron key (10) and to the delay element (18) and connected with its outputs to pulse counters (15 and 19).

    Abstract translation: 用于获得磁记录再生通道的统计特性的装置包括连接到脉冲计数器(13,12)并进一步连接到代码拨号单元(3)和电子钥匙(10)的脉冲发生器(1,2)。 代码拨号单元(3)连接到连接到再现放大器(6)的磁头(7)的记录放大器(5)。 该装置还包括连接到代码拨号单元(4)的输出的延迟元件(18),并且还包括与其输入连接到电子钥匙(10)的逻辑单元(17)和延迟元件 (18)并与其输出端连接到脉冲计数器(15和19)。

    仮想ライブラリ制御プログラム、仮想ライブラリ装置および仮想ライブラリ制御方法
    7.
    发明申请
    仮想ライブラリ制御プログラム、仮想ライブラリ装置および仮想ライブラリ制御方法 审中-公开
    虚拟图书馆管理计划,虚拟图书馆设备和虚拟图书馆管理方法

    公开(公告)号:WO2008126298A1

    公开(公告)日:2008-10-23

    申请号:PCT/JP2007/057232

    申请日:2007-03-30

    Inventor: 土井 巧一

    CPC classification number: G11B20/182 G06F3/0619 G06F3/0686 G11B2220/90

    Abstract:  仮想テープライブラリ装置には、物理ドライブのデータを一時的に記憶するキャッシュディスクと、ホストコンピュータとの間でのデータのやり取りを制御する対ホストI/Oサーバと、物理ドライブとの間でのデータのやり取りを制御する対バックエンドI/Oサーバとを備える、このような構成において、仮想テープライブラリ装置は、キャッシュディスクに接続されるインターフェースごとに独立した領域を、キャッシュディスク上に保持し、インターフェースを介して、所定の間隔で保持される領域に所定のデータパターンを書き込み、領域に書き込まれたデータパターンをインターフェースを介して所定の間隔で読み出して、書き込まれたデータパターンと読み出したデータパターンとが一致するか否かを判定し、一致しないと判定された場合に、当該インターフェースを介するデータの送受信において、データの整合性が保証できないと検出する。

    Abstract translation: 虚拟磁带库设备具有临时存储物理驱动器的数据的现金盘,用于控制与主计算机的数据交换的计数器主机I / O服务器,以及用于控制数据的计数器后端I / O服务器 与物理驱动器交换数据。 在这种结构中,虚拟磁带库在与现金盘连接的每个接口上在现金盘上保持独立区域,通过接口将以预定间隔保持的区域中的预定数据模式写入,通过接口读出数据模式 写入区域中,判断写入数据模式是否与读出的数据模式一致,如果判断为不一致,则检测到在传输中无法保证数据的一致性, 通过界面接收数据。

    METHOD AND RECORDING DEVICE FOR SELECTING AN OPTIMIZED WRITE STRATEGY AND RECORDING MEDIUM FOR USE BY THE METHOD
    8.
    发明申请
    METHOD AND RECORDING DEVICE FOR SELECTING AN OPTIMIZED WRITE STRATEGY AND RECORDING MEDIUM FOR USE BY THE METHOD 审中-公开
    用于选择优化写入策略的方法和记录装置以及用于通过该方法使用的记录介质

    公开(公告)号:WO03030153A3

    公开(公告)日:2003-10-02

    申请号:PCT/IB0203850

    申请日:2002-09-18

    CPC classification number: G11B7/126 G11B7/0045 G11B19/26 G11B20/182

    Abstract: The invention relates to a method and recording device for selecting an optimal write strategy for a specific type of optical recording disk. Such an optimal write strategy is selected even when the optical recording disk is of a type that has not been previously encountered or when the optical recording disk is otherwise unrecognized by an optical disk drive. The optimal write strategy and associated settings are selected from a set of write strategies stored in a disk drive. The disk drive bases its selection of the write strategy on the performance results of test writings conducted on the optical disk. The method entails testing the write strategies first at the maximum possible write speed and if necessary, at successively lower speeds until a write strategy that achieves a minimum acceptable write quality is identified or until the minimum write speed is reached. The selected optimal write strategy may be stored in the recording device or, alternatively, on the optical recording disk itself.

    Abstract translation: 本发明涉及一种用于为特定类型的光学记录盘选择最佳写入策略的方法和记录设备。 即使当光学记录盘是先前未遇到的类型或当光盘驱动器不能识别光学记录盘时,也选择这种最佳写入策略。 最佳写入策略和相关设置是从存储在磁盘驱动器中的一组写入策略中选择的。 磁盘驱动器根据在光盘上进行的测试写入的性能结果选择写入策略。 该方法需要首先以最大可能的写入速度测试写入​​策略,并且如果必要的话,以连续较低的速度测试写入​​策略,直到识别达到最小可接受写入质量的写入策略或直到达到最小写入速度。 所选择的最优写入策略可以存储在记录设备中,或者可选地,存储在光学记录盘本身上。

    DATA RECORDING APPARATUS, DATA REPRODUCTION APPARATUS AND DATA REPRODUCTION METHOD
    10.
    发明申请
    DATA RECORDING APPARATUS, DATA REPRODUCTION APPARATUS AND DATA REPRODUCTION METHOD 审中-公开
    数据记录装置,数据再现装置和数据再现方法

    公开(公告)号:WO1997024722A1

    公开(公告)日:1997-07-10

    申请号:PCT/JP1996003856

    申请日:1996-12-27

    Inventor: SONY CORPORATION

    Abstract: Waveform equalization is carried out for a reproduction signal of a test signal recorded with data in each unit recording area of a recording medium by an adaptive type waveform equalization means while a tap coefficient is changed, and a tap coefficient at the time when the equalization signal approaches most closely to an ideal equalization signal is used as an optimum tap coefficient. The reproduction signal of data in each unit recording area is subjected to waveform equalization by using this optimum tap coefficient. In this way, a data reproduction apparatus can be obtained which can effect waveform equalization of data stably, reliably and quickly and can accomplish high density recording by a small scale circuit.

    Abstract translation: 在自适应型波形均衡装置的记录介质的每个单位记录区域中用数据记录的测试信号的再现信号进行波形均衡,同时抽头系数改变,并且在均衡信号时刻的抽头系数 最接近理想均衡信号的方法被用作最佳抽头系数。 通过使用该最佳抽头系数对每个单位记录区域中的数据的再现信号进行波形均衡。 以这种方式,可以获得可以稳定,可靠和快速地实现数据的波形均衡的数据再现装置,并且可以通过小规模电路实现高密度记录。

Patent Agency Ranking