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    • 2. 发明申请
    • RECORDING MEDIUM AND METHOD FOR RECORDING AND REPRODUCING DATA ON AND FROM THE SAME
    • 记录介质和记录数据的方法
    • WO2005088616A1
    • 2005-09-22
    • PCT/KR2005/000726
    • 2005-03-15
    • LG ELECTRONICS INC.KIM, Jin Yong
    • KIM, Jin Yong
    • G11B7/007
    • G11B19/122G11B7/0053G11B7/00736G11B7/0901G11B7/0945G11B19/125
    • A recording medium and a method for recording and reproducing data on and from the recording medium are provided. Identification information, indicating which one of an in-groove recording method and an on-groove recording method has been or will be used to record data, is recorded in a specific area, such as a Burst Cutting Area (BCA) and a Permanent Information & Control data (PIC) area, of a recording medium such as a Blue-ray Disc (BD) on which a land and a groove are formed. The on-groove recording method or the in-groove recording method selected based on the identification information recorded in the specific area is used to record or reproduce data on or from the recording medium. This allows the in-groove recording method to be backward-compatibly applied to recording media.
    • 提供了一种用于在记录介质上记录和再现数据的记录介质和方法。 识别信息,指示已经或将要用于记录数据的凹槽内记录方法和槽内记录方法中的哪一种记录在特定区域中,例如突发切割区域(BCA)和永久信息 控制数据(PIC)区域,诸如蓝色光盘(BD)的记录介质,其上形成有焊盘和凹槽。 使用基于记录在特定区域中的识别信息选择的槽内记录方法或凹槽内记录方法来在记录介质上记录或再现数据。 这使得槽内记录方法能够向后兼容地应用于记录介质。
    • 7. 发明申请
    • METHOD OF CONVERTING A SERIES OF DATA WORDS INTO A MODULATED SIGNAL
    • 将一系列数据字转换成调制信号的方法
    • WO2003005589A1
    • 2003-01-16
    • PCT/KR2002/001255
    • 2002-07-03
    • LG ELECTRONICS INC.SUH, Sang WoonKIM, Jin YongLEE, Jae JinLEE, Joo Hyun
    • SUH, Sang WoonKIM, Jin YongLEE, Jae JinLEE, Joo Hyun
    • H03M7/00
    • H03M7/46G11B20/1426G11B2020/1457H03M5/145
    • The present invention relates to method and apparatus of converting a series of data words into modulated signals. This method generates for each data word a number of intermediate sequences by combining mutually different digital words with that data word, scrambles these intermediate sequences to form alternative sequences, translates each alternative sequence into a (d,k) constrained sequence, measures for each (d,k) constrained sequence not only an inclusion rate of undesired sub-sequence but also a running DSV (Digital Sum Value), and selects one (d,k) constrained sequence having small inclusion rate for recording on an optical or magneto-optical recording medium among the (d,k) constrained sequences having maximum value of running DSV smaller than a preset limit. According to the present invention, efficient DSV control can be achieved for even relatively-long sequences.
    • 本发明涉及将一系列数据字转换为调制信号的方法和装置。 该方法通过将相互不同的数字字与该数据字组合来为每个数据字生成多个中间序列,对这些中间序列进行加扰以形成替代序列,将每个备选序列转换为(d,k)约束序列, d,k)约束序列不仅是不期望的子序列的包含率,而且是运行的DSV(数字和值),并且选择具有小的包含率的一个(d,k)约束序列用于在光学或磁光学上记录 (d,k)约束序列中的记录介质,其运行DSV的最大值小于预设限制。 根据本发明,对于甚至相当长的序列,可以实现有效的DSV控制。