ADDRESSING DISC STORAGE SPACE USING HEAD POSITION
    15.
    发明申请
    ADDRESSING DISC STORAGE SPACE USING HEAD POSITION 审中-公开
    使用头位置寻址盘存储空间

    公开(公告)号:US20100034058A1

    公开(公告)日:2010-02-11

    申请号:US11720781

    申请日:2005-11-25

    申请人: Bart Van Rompaey

    发明人: Bart Van Rompaey

    IPC分类号: G11B21/08

    摘要: Current BD specification prescribes that in an ADIP an address is expressed with 21 bits, 19 to indicate the corresponding RUB number, and 2 to be set to 00, 01 and 10 consecutively in the 3 successive ADIP corresponding to one RUB, the smallest addressable portion of data on a disc. From this it derives that at most 32.2 GB of storage space can be addressed. Due to recent developments however, a storage capacity of 35 GB per layer could be achieved. According to the invention, one or more bits are added to the 21 bits currently allocated to express an address. This additional bits however are not stored in the ADIP but left implicit, exempting from a heavy deviation from the current BD encoding rules. The additional bits are reconstructed by an apparatus on the basis of the position on the information carrier where the corresponding RUB is present.

    摘要翻译: 当前BD规范规定,在ADIP中,地址用21位表示,19表示相应的RUB号,2表示在对应于一个RUB的3个连续ADIP中连续设置为00,01和10,最小可寻址部分 的光盘上的数据。 从中可以看出,最多可以解决32.2 GB的存储空间。 由于最近的发展,可以实现每层35 GB的存储容量。 根据本发明,一个或多个比特被添加到当前分配用于表示地址的21比特中。 然而,这个附加位不是存储在ADIP中,而是隐含的,可以免除与当前BD编码规则的严重偏离。 基于在存在相应的RUB的信息载体上的位置,装置重构附加位。

    Locking Aid For High Density Bd-Rom Discs
    16.
    发明申请
    Locking Aid For High Density Bd-Rom Discs 审中-公开
    高密度Bd-Rom光盘锁定

    公开(公告)号:US20090122691A1

    公开(公告)日:2009-05-14

    申请号:US11908141

    申请日:2006-03-10

    IPC分类号: G11B7/00

    摘要: The present invention relates to information carriers in general and high density discs such as Blu-ray discs in particular. According to the invention a system is provided comprising an information carrier (1) and an apparatus for accessing said information carrier The information carrier having recording unit blocks (400), comprising a sequence of channel bits, a link frame (402, 403) and a physical cluster, the link frame comprising a frame sync (42, 44) and a link area (43, 45). The apparatus comprises: a bit recovery unit (308), operating upon a set of control parameters, capable of retrieving a number of channel bits, on condition that the control parameters have values in respective valid ranges, and an adaptive parameters adjustment unit (309), for adjusting the set of control parameters, based upon the sequence of said channel bits, so as to bring the control parameter in the respective valid ranges. Thus, the link area comprises a link pattern for facilitating the adaptive parameters adjustment unit in adjusting the set of control parameters. Moreover, the Link pattern comprises a sequence of markers defined by a polarity transition, which encode auxiliary information bits, and that said adaptive parameters adjustment unit is configured to use the auxiliary information for adjusting said set of control parameters.

    摘要翻译: 本发明涉及一般的信息载体和特别是蓝光盘的高密度盘。 根据本发明,提供了一种包括信息载体(1)和用于访问所述信息载体的装置的系统。具有记录单元块(400)的信息载体包括信道位序列,链接帧(402,403)和 物理簇,所述链路帧包括帧同步(42,44)和链路区(43,45)。 所述装置包括:在所述控制参数具有相应的有效范围内的值的条件下,在一组控制参数上操作能够检索多个通道位的位恢复单元(308)和自适应参数调整单元(309 ),用于基于所述通道位的顺序来调整控制参数集合,以使控制参数在相应的有效范围内。 因此,链路区域包括链路模式,用于在调整控制参数的集合中促进自适应参数调整单元。 此外,链路模式包括由极性转换定义的标记序列,其编码辅助信息比特,并且所述自适应参数调整单元被配置为使用辅助信息来调整所述一组控制参数。

    RECORD CARRIER, RECORDING METHOD AN DPLAYBACK DEVICE FOR CONTROLLING COPYRIGHT
    17.
    发明申请
    RECORD CARRIER, RECORDING METHOD AN DPLAYBACK DEVICE FOR CONTROLLING COPYRIGHT 审中-公开
    记录载体,记录方法用于控制版权的DPLAYBACK装置

    公开(公告)号:US20090028024A1

    公开(公告)日:2009-01-29

    申请号:US11573955

    申请日:2005-08-03

    IPC分类号: G11B27/36

    摘要: When duplicating the record carrier the angle between the sync words S1 S2 can be preserved at the cost of a change in bit length, or the bit length can be preserved at the expense of changes in the angle between the sync words S1 S2. Consequently a playback device that checks for both changes in the angle between the sync words S1 S2, or between other marks, and for changes in bit length can detect an illegally duplicated record carrier with a high certainty.

    摘要翻译: 当复制记录载体时,可以以比特长度改变为代价来保留同步字S1 S2之间的角度,或者可以牺牲同步字S1 S2之间的角度的变化来保持比特长度。 因此,检查同步字S1 S2之间或其他标记之间的角度以及位长度变化中的两个变化的重放装置可以高度确定地检测非法复制的记录载体。

    Information carrier comprising access information
    20.
    发明授权
    Information carrier comprising access information 有权
    信息载体包括访问信息

    公开(公告)号:US08718277B2

    公开(公告)日:2014-05-06

    申请号:US10545640

    申请日:2004-02-05

    IPC分类号: H04K1/10

    摘要: An information carrier for holding user information, the information carrier comprising access information in the form of access information bits for accessing the user information, the access information bits being stored on the information carrier in a variation of a parameter, which variation is detectable by integration detection. The access information bits are scrambled according to a pre-determined scrambling method. By scrambling the access information bits according to a pre-determined scrambling method, detection of the access information is not possible as long as the scrambling method is not known. Using the integration detection technique, the only way to obtain the access information is by knowing how the signal obtained after reading-out the area comprising the access information bits must be processed. In this way illegal retrieval of the user information is further prevented.

    摘要翻译: 一种用于保存用户信息的信息载体,所述信息载体包括用于访问用户信息的访问信息位形式的访问信息,访问信息位存储在信息载体上的参数变化中,所述变化可通过集成检测 检测。 访问信息比特根据预定的加扰方法进行加扰。 通过根据预定的加扰方法对访问信息比特进行加扰,只要加扰方法是未知的,则访问信息的检测是不可能的。 使用积分检测技术,获得访问信息的唯一方法是知道如何在读出包含访问信息位的区域之后获得的信号如何被处理。 以这种方式进一步防止用户信息的非法检索。