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    • 8. 发明申请
    • Reproduction Device, Reproduction Method, Reproduction Program, Recording Medium, and Data Structure
    • 复制设备,复制方法,复制程序,记录介质和数据结构
    • US20080075437A1
    • 2008-03-27
    • US11573717
    • 2005-08-02
    • Toshiya HamadaYasushi FujinamiTatsuya KakumuTakenori Ohshima
    • Toshiya HamadaYasushi FujinamiTatsuya KakumuTakenori Ohshima
    • H04N5/00
    • G11B27/329
    • User's operations for a player can be easily restricted. A restriction mode that restricts user's operations that control the player that reproduces contents are preset. A value that represents a restriction mode for each play list is recorded as attribute information on a disc. When the player reproduces contents from the disc, the player creates a table corresponding to a restriction mode for each play list. The player references the table and filters control commands corresponding to user's operations that control the reproduction of contents using a command filter. Restriction modes includes a mode causing the player to reproduce a play list from beginning at predetermined speed for example 1× speed and a mode prohibiting the player from jumping while it is reproducing a play list. The load of the content creator side that verifies restrictions against user's operations decreases. The load of the player side that verifies operations decreases.
    • 玩家的用户操作可以很容易地被限制。 限制用于控制重放内容的播放器的操作的限制模式被预设。 将表示每个播放列表的限制模式的值作为属性信息记录在盘上。 当播放器从盘再现内容时,播放器创建与每个播放列表的限制模式相对应的表格。 播放器参考表格,并且使用命令滤波器过滤与用户操作相对应的控制命令来控制内容的再现。 限制模式包括导致玩家从预定速度开始例如1x速度再现播放列表的模式,以及在播放播放列表时禁止播放器跳跃的模式。 验证对用户操作的限制的内容创建者方的负载减少。 验证操作的玩家方的负载减少。
    • 9. 发明授权
    • Signal regenerating apparatus having asymmetrical signal detection
circuit for detecting amplitude error and signal offset from a training
signal and correcting same
    • 具有不对称信号检测电路的信号再生装置,用于检测来自训练信号的振幅误差和信号偏移,并进行校正
    • US6052245A
    • 2000-04-18
    • US58446
    • 1998-04-09
    • Takao SugawaraTakenori Ohshima
    • Takao SugawaraTakenori Ohshima
    • G11B5/09G11B5/02G11B5/035G11B20/22H03K5/08H04L25/06
    • G11B5/02G11B20/22H03K5/082G11B5/09
    • Disclosed are an asymmetrical signal detector for detecting an asymmetrical quantity of an asymmetrical signal and a signal regenerating apparatus using this detector. This detector includes a first delaying element for delaying the input signal, a first subtracting element for subtracting an output of the first delaying element from the input signal, a second delaying element for delaying an output of the first subtracting element, an adding element for adding an output of the second delaying element to an output of the first subtracting element, a gate signal generating element for generating a gate signal by comparing an output of the adding element with a predetermined threshold value, a second subtracting element for subtracting the output of the subtracting element from the input signal and a selecting element for selecting an output of the second subtracting element in accordance with the gate signal, thereby obtaining an offset quantity. The detector further includes a third subtracting element for subtracting an output of the second delaying element from an output of the first subtracting element and a selecting element for selecting an output of the third subtracting element in accordance with the gate signal, thereby obtaining between-positive-negative amplitude error quantity.
    • 公开了一种用于检测不对称信号的不对称量的不对称信号检测器和使用该检测器的信号再生装置。 该检测器包括用于延迟输入信号的第一延迟元件,用于从输入信号中减去第一延迟元件的输出的第一减法元件,用于延迟第一减法元件的输出的第二延迟元件,用于添加的加法元件 第二延迟元件的输出到第一减法元件的输出;栅极信号产生元件,用于通过将加法元件的输出与预定阈值进行比较来产生栅极信号;第二减法元件,用于减去第 从输入信号中减去元件;以及选择元件,用于根据门信号选择第二减法元件的输出,从而获得偏移量。 检测器还包括用于从第一减法元件的输出中减去第二延迟元件的输出的第三减法元件和用于根据栅极信号选择第三减法元件的输出的选择元件,从而获得正的 - 负值幅度误差量。