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    Optical information recording method, optical information recording device, optical information reproduction method, optical information reproduction device, and optical information recording medium
    1.
    发明授权
    Optical information recording method, optical information recording device, optical information reproduction method, optical information reproduction device, and optical information recording medium 有权
    光信息记录方法，光信息记录装置，光信息再现方法，光信息再现装置和光信息记录介质

    公开(公告)号：US08509046B2

    公开(公告)日：2013-08-13

    申请号：US13516000

    申请日：2010-12-16

    申请人： Tomoyasu Takaoka ,  Shigeru Furumiya ,  Atsushi Nakamura

    发明人： Tomoyasu Takaoka ,  Shigeru Furumiya ,  Atsushi Nakamura

    IPC分类号： G11B7/0045

    CPC分类号： G11B7/0062 ,  G11B2007/0013

    摘要： A recording wavelength generator selects control parameters of a recording pulse sequence, based on combinations of mark length, a first space length of a first space immediately before the mark, and a second space length of a second space immediately after the mark. A laser drive circuit records the marks by the recording pulse sequence. The first and second space lengths are classified into m and n types, respectively. An absolute value of a difference between two predetermined control parameters from among (m×n) control parameters selected during recording on a second information layer located on an incidence side of the laser beam with respect to a predetermined first information layer from among N information layers is equal to or greater than an absolute value of a difference between two predetermined control parameters from among the (m×n) control parameters selected during recording on the first information layer.

    摘要翻译： 记录波长发生器基于标记长度，标记之前的第一空间的第一空间长度和紧接在标记之后的第二空间的第二空格长度的组合来选择记录脉冲序列的控制参数。 激光驱动电路通过记录脉冲序列记录标记。 第一和第二空间长度分别分为m和n类。 从在N个信息层中相对于预定的第一信息层位于激光束的入射侧的第二信息层上记录期间选择的（m×n）个控制参数中的两个预定控制参数之间的差的绝对值 等于或大于在第一信息层上记录期间选择的（m×n）个控制参数中的两个预定控制参数之间的差的绝对值。

    OPTICAL INFORMATION RECORDING METHOD, OPTICAL INFORMATION RECORDING DEVICE, OPTICAL INFORMATION REPRODUCTION METHOD, OPTICAL INFORMATION REPRODUCTION DEVICE, AND OPTICAL INFORMATION RECORDING MEDIUM
    2.
    发明申请
    OPTICAL INFORMATION RECORDING METHOD, OPTICAL INFORMATION RECORDING DEVICE, OPTICAL INFORMATION REPRODUCTION METHOD, OPTICAL INFORMATION REPRODUCTION DEVICE, AND OPTICAL INFORMATION RECORDING MEDIUM 有权
    光信息记录方法，光信息记录装置，光信息再现方法，光信息再现装置和光信息记录介质

    公开(公告)号：US20120294135A1

    公开(公告)日：2012-11-22

    申请号：US13516000

    申请日：2010-12-16

    申请人： Tomoyasu Takaoka ,  Shigeru Furumiya ,  Atsushi Nakamura

    发明人： Tomoyasu Takaoka ,  Shigeru Furumiya ,  Atsushi Nakamura

    IPC分类号： G11B7/0045

    CPC分类号： G11B7/0062 ,  G11B2007/0013

    摘要： Information is recorded and reproduced with high quality by all of the information layers of an optical information recording medium. A recording wavelength generator (112) selects control parameters of a recording pulse sequence for forming marks, on the basis of combinations of a mark length of a mark, a first space length of a first space immediately before the mark, and a second space length of a second space immediately after the mark. A laser drive circuit (111) records the marks by the recording pulse sequence determined by the selected control parameters. The first space length is classified into m types (m is an integer) and the second space length is classified into n types (n is an integer). An absolute value of a difference between two predetermined control parameters from among (m×n) control parameters selected during recording on a second information layer located on an incidence side of the laser beam with respect to a predetermined first information layer from among N information layers is equal to or greater than an absolute value of a difference between two predetermined control parameters from among the (m×n) control parameters selected during recording on the first information layer.

    摘要翻译： 通过光信息记录介质的所有信息层以高质量记录和再现信息。 记录波长发生器（112）基于标记的标记长度，标记之前的第一空间的第一空间长度和第二空间长度的组合来选择用于形成标记的记录脉冲序列的控制参数 在标记之后的第二个空间。 激光驱动电路（111）通过由所选择的控制参数确定的记录脉冲序列来记录标记。 第一空格长度分为m种（m为整数），第二空格长度分为n种（n为整数）。 从在N个信息层中相对于预定的第一信息层位于激光束的入射侧的第二信息层上记录期间选择的（m×n）个控制参数中的两个预定控制参数之间的差的绝对值 等于或大于在第一信息层上记录期间选择的（m×n）个控制参数中的两个预定控制参数之间的差的绝对值。

    Information recording medium, recording apparatus, reproducing apparatus and reproducing method
    3.
    发明授权
    Information recording medium, recording apparatus, reproducing apparatus and reproducing method 有权
    信息记录介质，记录装置，再现装置和再现方法

    公开(公告)号：US08259556B2

    公开(公告)日：2012-09-04

    申请号：US12745086

    申请日：2009-11-19

    申请人： Tomoyasu Takaoka ,  Shigeru Furumiya ,  Naoyasu Miyagawa

    发明人： Tomoyasu Takaoka ,  Shigeru Furumiya ,  Naoyasu Miyagawa

    IPC分类号： G11B7/24 ,  G11B7/00

    CPC分类号： G11B7/126 ,  G11B7/24038

    摘要： An information recording medium, comprising N number (N is an integer fulfilling N≧3) of information layers on which information is recordable, and allowing information to be recorded on each of the information layers and allowing information recorded on each of the information layers to be reproduced by being irradiated with laser light. The N number of information layers include an N'th information layer, an (N−1)th information layer, an (N−2)th information layer, . . . a second information layer and a first information layer sequentially located from a laser light incidence side. A reflectance of the N'th information layer is RN, and a reflectance of an M'th information layer (M refers to every integer fulfilling N>M≧1) is RM. The laser light used to irradiate the N'th information layer for reproducing information recorded on the N'th information layer has an upper limit reproduction power PrNmax, and the laser light used to irradiate the M'th information layer for reproducing information recorded on the M'th information layer has an upper limit reproduction power PrMmax. The following expressions (1) and (2) are concurrently fulfilled: RN>RM   (1) PrNmax

    摘要翻译： 一种信息记录介质，包括可记录信息的信息层的N个数（N是满足N≥3的整数），并且允许将信息记录在每个信息层上并允许记录在每个信息层上的信息 通过用激光照射来再现。 N个信息层包括第N个信息层，第（N-1）个信息层，第（N-2）个信息层。 。 。 第二信息层和从激光入射侧依次定位的第一信息层。 第N个信息层的反射率为RN，第M个信息层（M为满足N>M≥1的每个整数）的反射率为RM。 用于照射第N信息层的用于再现记录在第N信息层上的信息的激光具有上限再现功率PrNmax，并且用于照射第M个信息层的激光用于再现记录在第N信息层上的信息 第M个信息层具有上限再现功率PrMmax。 同时满足下列表达式（1）和（2）：RN> RM（1）PrNmax

    INFORMATION RECORDING MEDIUM, RECORDING APPARATUS, REPRODUCING APPARATUS AND REPRODUCING METHOD
    4.
    发明申请
    INFORMATION RECORDING MEDIUM, RECORDING APPARATUS, REPRODUCING APPARATUS AND REPRODUCING METHOD 有权
    信息记录介质，记录装置，再现装置和再现方法

    公开(公告)号：US20100302921A1

    公开(公告)日：2010-12-02

    申请号：US12745086

    申请日：2009-11-19

    申请人： Tomoyasu Takaoka ,  Shigeru Furumiya ,  Naoyasu Miyagawa

    发明人： Tomoyasu Takaoka ,  Shigeru Furumiya ,  Naoyasu Miyagawa

    IPC分类号： G11B19/00 ,  G11B7/26 ,  G11B7/00

    CPC分类号： G11B7/126 ,  G11B7/24038

    摘要： An information recording medium, comprising N number (N is an integer fulfilling N≧3) of information layers on which information is recordable, and allowing information to be recorded on each of the information layers and allowing information recorded on each of the information layers to be reproduced by being irradiated with laser light. The N number of information layers include an N'th information layer, an (N−1)th information layer, an (N−2)th information layer, . . . a second information layer and a first information layer sequentially located from a laser light incidence side. A reflectance of the N'th information layer is RN, and a reflectance of an M'th information layer (M refers to every integer fulfilling N>M≧1) is RM. The laser light used to irradiate the N'th information layer for reproducing information recorded on the N'th information layer has an upper limit reproduction power PrNmax, and the laser light used to irradiate the M'th information layer for reproducing information recorded on the M'th information layer has an upper limit reproduction power PrMmax. The following expressions (1) and (2) are concurrently fulfilled: RN>RM   (1) PrNmax

    摘要翻译： 一种信息记录介质，包括可记录信息的信息层的N个数（N是满足N≥3的整数），并且允许将信息记录在每个信息层上并允许记录在每个信息层上的信息 通过用激光照射来再现。 N个信息层包括第N个信息层，第（N-1）个信息层，第（N-2）个信息层。 。 。 第二信息层和从激光入射侧依次定位的第一信息层。 第N个信息层的反射率为RN，第M个信息层（M为满足N>M≥1的每个整数）的反射率为RM。 用于照射第N信息层的用于再现记录在第N信息层上的信息的激光具有上限再现功率PrNmax，并且用于照射第M个信息层的激光用于再现记录在第N信息层上的信息 第M个信息层具有上限再现功率PrMmax。 同时满足下列表达式（1）和（2）：RN> RM（1）PrNmax

    Recording method and apparatus using write pulse waveforms
    5.
    发明授权
    Recording method and apparatus using write pulse waveforms 有权
    使用写入脉冲波形的记录方法和装置

    公开(公告)号：US07551536B2

    公开(公告)日：2009-06-23

    申请号：US12180681

    申请日：2008-07-28

    申请人： Atsushi Nakamura ,  Shigeru Furumiya

    发明人： Atsushi Nakamura ,  Shigeru Furumiya

    IPC分类号： G11B7/0045

    CPC分类号： G11B7/0062

    摘要： A data recording method according to the present invention is a method for recording data as edge position information, including marks and spaces of multiple different lengths, on a storage medium by irradiating the storage medium with a pulsed energy beam. The method includes the steps of: (A) generating a write code sequence based on the data to be recorded; (B) determining a write pulse waveform, defining the power modulation of the energy beam, according to the code lengths of respective codes included in the write code sequence; and (C) modulating the power of the energy beam based on the write pulse waveform. If the shortest code length of the write code sequence is n (which is an integer equal to or greater than one), a write pulse waveform that has only one write pulse is assigned to recording mark making periods corresponding to codes with code lengths x of n, n+1 and n+2, and a write pulse waveform that has multiple write pulses Pw is assigned to recording mark making periods corresponding to codes with code lengths x of n+3 or more.

    摘要翻译： 根据本发明的数据记录方法是通过用脉冲能量束照射存储介质，将数据作为边缘位置信息（包括多个不同长度的标记和间隔）记录在存储介质上的方法。 该方法包括以下步骤：（A）基于要记录的数据生成写代码序列; （B）根据包含在写代码序列中的各个代码的码长，确定写入脉冲波形，定义能量束的功率调制; 和（C）基于写入脉冲波形调制能量束的功率。 如果写代码序列的最短代码长度为n（其为等于或大于1的整数），则仅具有一个写脉冲的写脉冲波形被分配给与代码长度为x的代码相对应的记录标记制作周期 n，n + 1和n + 2，并且具有多个写入脉冲Pw的写入脉冲波形被分配给与代码长度为x + 3或更大的代码相对应的记录标记制作周期。