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99 条记录 (耗时 0.042 秒)

    Optical information recording/reproducing method and optical information recording/reproducing apparatus
    51.
    发明授权
    Optical information recording/reproducing method and optical information recording/reproducing apparatus 失效
    光信息记录/再现方法和光信息记录/再现装置

    公开(公告)号：US06510116B1

    公开(公告)日：2003-01-21

    申请号：US09493102

    申请日：2000-01-28

    申请人： Naoyasu Miyagawa ,  Takashi Ishida ,  Junichi Minamino ,  Kenji Koishi ,  Shigeru Furumiya

    发明人： Naoyasu Miyagawa ,  Takashi Ishida ,  Junichi Minamino ,  Kenji Koishi ,  Shigeru Furumiya

    IPC分类号： G11B509

    CPC分类号： G11B7/00456 ,  G11B7/00736 ,  G11B7/24085 ,  G11B20/10009 ,  G11B20/10481 ,  G11B2020/1275 ,  G11B2220/2537

    摘要： When data is reproduced by an apparatus which is different from an apparatus used for recording the data, the fluctuation of edge positions of the reproducing data increases, making reproduction incompatible, and the present invention solves this problem. The present invention comprises reproducing learning means 13 and 24 for switching a frequency characteristic of the reproducing system, which detects the changes of the local optical constant, to a predetermined frequency characteristic, and recording learning means 20 for correcting the start edge or end edge position of the recording pulse for each combination of length of a mark block and length of the preceding or subsequent space, so that the edge position of the binarized reproducing data comes to a desired position, and since the frequency characteristic of the reproducing system is unified before learning the edge shift amount caused by the thermal interference between marks, the length of the recorded marks and spaces can always be constant, which improves the reproducing compatibility among reproducing apparatuses.

    摘要翻译： 当通过与用于记录数据的装置不同的装置再现数据时，再现数据的边缘位置的波动增加，使得再现不兼容，并且本发明解决了这个问题。 本发明包括用于将检测局部光学常数的变化的再现系统的频率特性切换到预定频率特性的再现学习装置13和24，以及用于校正起始边缘或结束边缘位置的记录学习装置20 对于标记块的长度和前一或后续空格的长度的每个组合的记录脉冲，使得二值化再现数据的边缘位置到达期望位置，并且由于再现系统的频率特性在 学习由标记之间的热干扰引起的边缘偏移量，记录的标记和间隔的长度总是恒定的，这提高了再现装置之间的再现兼容性。

    Information processing device, access device, recording medium, information processing method, and information processing program
    53.
    发明授权
    Information processing device, access device, recording medium, information processing method, and information processing program 有权
    信息处理装置，存取装置，记录介质，信息处理方法和信息处理程序

    公开(公告)号：US07924673B2

    公开(公告)日：2011-04-12

    申请号：US12163563

    申请日：2008-06-27

    申请人： Harumitsu Miyashita ,  Junichi Minamino ,  Takeshi Nakajima

    发明人： Harumitsu Miyashita ,  Junichi Minamino ,  Takeshi Nakajima

    IPC分类号： G11B7/00

    CPC分类号： G11B7/00736 ,  G11B7/004 ,  G11B7/005 ,  G11B7/0053 ,  G11B19/12

    摘要： An information processing device processes specific information recorded on a recording medium, and has a characteristic identification unit and a processing unit. The characteristic identification unit identifies the reflection characteristic of the recording medium. The processing unit processes the specific information recorded on the recording medium according to the identified reflection characteristic. The reflection characteristic is either a first characteristic such that the reflectance of light reflected by a recorded region of the recording medium (referred to as first reflectance) is greater than the reflectance of light reflected by an unrecorded region of the recording medium (referred to as second reflectance), or a second characteristic such that the first reflectance is less than the second reflectance.

    摘要翻译： 信息处理装置处理记录在记录介质上的特定信息，并具有特征识别单元和处理单元。 特征识别单元识别记录介质的反射特性。 处理单元根据所识别的反射特性处理记录在记录介质上的特定信息。 反射特性是由记录介质的记录区域反射的光的反射率（被称为第一反射率）大于由记录介质的未记录区域反射的光的反射率的第一特性（称为第一反射率 第二反射率）或第二特性使得第一反射率小于第二反射率。