公开(公告)号：US20070109934A1

公开(公告)日：2007-05-17

申请号：US10577774

申请日：2004-09-29

申请人： Kunihiko Horikawa ,  Hiroyuki Uchino ,  Shoji Taniguchi ,  Akira Shirota ,  Yoshio Sasaki ,  Eiji Muramatsu

发明人： Kunihiko Horikawa ,  Hiroyuki Uchino ,  Shoji Taniguchi ,  Akira Shirota ,  Yoshio Sasaki ,  Eiji Muramatsu

IPC分类号： G11B7/12

CPC分类号： G11B7/00456 ,  G11B7/1267

摘要： An information recording apparatus (300) is provided with: a recording device (352) for irradiating an information recording medium (100) with laser light and for recording information onto the information recording medium; an obtaining device (354) for obtaining at least one of (i) a special OPC strategy for defining a waveform of the laser light used to calculate an optimum laser power of the laser light for recording the information at a second recording speed different from a first recording speed, at the first recording speed, and (ii) a recording strategy for defining a waveform of the laser light used to record the information at the second recording speed; a power calculating device (354) for calculating the optimum laser power by using the special OPC strategy at the first recording speed; and a controlling device (354) for controlling said recording device to record the information at the second recording speed, by using the calculated optimum laser power and the recording strategy.

摘要翻译： 信息记录装置（300）具有：用于利用激光照射信息记录介质（100）并将信息记录在信息记录介质上的记录装置（352）; 一种用于获得（i）用于定义用于计算激光的最佳激光功率的激光的波形的特殊OPC策略的获取装置（354），用于以与第二记录速度不同的第二记录速度记录信息 第一记录速度，以及（ii）用于定义用于以第二记录速度记录信息的激光波形的记录策略; 功率计算装置，用于通过在第一记录速度下使用特殊OPC策略来计算最佳激光功率; 以及控制装置（354），用于通过使用所计算的最佳激光功率和记录策略来控制所述记录装置以第二记录速度记录信息。

公开(公告)号：US20060098547A1

公开(公告)日：2006-05-11

申请号：US10517525

申请日：2003-04-02

申请人： Kunihiko Horikawa ,  Shoji Taniguchi ,  Eiji Muramatsu ,  Akira Shirota

发明人： Kunihiko Horikawa ,  Shoji Taniguchi ,  Eiji Muramatsu ,  Akira Shirota

IPC分类号： G11B5/09

CPC分类号： G11B7/00456 ,  G11B7/0062

摘要： Based on a recording signal, a recording pulse signal, which includes a top pulse located at a front end portion and having a first magnitude, a last pulse located at a back end portion and having the first magnitude, and an intermediate bias portion located between the top pulse and the last pulse and having a second magnitude, is generated. Based on the recording pulse signal, a light source is controlled, and a laser pulse is irradiated on a recording medium. Recording marks corresponding to the recording signal are formed on the recording medium. In generating the recording pulse signal, when the recording medium is rotationally driven, a position of the top pulse is shifted ahead of a position of the top pulse when the recording medium is rotationally driven at the first rotation speed, when the recording medium is rotationally driven at the second control speed.

摘要翻译： 基于记录信号，记录脉冲信号，其包括位于前端部并具有第一量值的顶部脉冲，位于后端部分并具有第一幅度的最后脉冲和位于第一幅度之间的中间偏置部分 产生顶脉冲和最后脉冲并具有第二幅度。 基于记录脉冲信号，控制光源，并将激光脉冲照射在记录介质上。 在记录介质上形成与记录信号对应的记录标记。 在产生记录脉冲信号时，当记录介质被旋转驱动时，当记录介质被旋转地旋转驱动记录介质时，顶部脉冲的位置在顶部脉冲的位置之前移动 以第二控制速度驱动。

公开(公告)号：US07719943B2

公开(公告)日：2010-05-18

申请号：US10577144

申请日：2004-10-26

申请人： Kunihiko Horikawa ,  Akira Shirota ,  Hiroyuki Uchino ,  Shoji Taniguchi ,  Eiji Muramatsu

发明人： Kunihiko Horikawa ,  Akira Shirota ,  Hiroyuki Uchino ,  Shoji Taniguchi ,  Eiji Muramatsu

IPC分类号： G11B7/00

CPC分类号： G11B7/0062 ,  G11B7/00456 ,  G11B7/126

摘要： An information recording device and method capable of forming a recording mark by suppressing thermal interference. The device applies a laser beam to a recording medium and forms a recording mark in accordance with a recording signal. The device includes a light source for emitting the laser beam, signal generation elements for generating a recording pulse signal according to the recording signal, and drive elements for driving the light source according to the recording pulse signal. The recording pulse signal has a mark period for forming the recording mark and a space period. The recording pulse signal makes the level in the entire space period equal to or shorter than a predetermined length and a part of the space period longer than the predetermined length to be off level. While the recording pulse signal is off level, the recording medium is cooled down, thereby suppressing the affect of thermal interference.

摘要翻译： 一种能够通过抑制热干扰而形成记录标记的信息记录装置和方法。 该装置将激光束施加到记录介质上，并根据记录信号形成记录标记。 该装置包括用于发射激光束的光源，用于根据记录信号产生记录脉冲信号的信号产生元件和用于根据记录脉冲信号驱动光源的驱动元件。 记录脉冲信号具有用于形成记录标记的标记周期和空间周期。 记录脉冲信号使整个空间周期中的电平等于或小于预定长度，并且使长度大于预定长度的空间周期的一部分成为关闭电平。 当记录脉冲信号为关闭电平时，记录介质被冷却，从而抑制热干扰的影响。

公开(公告)号：US07349316B2

公开(公告)日：2008-03-25

申请号：US11543234

申请日：2006-10-05

申请人： Akira Shirota ,  Kunihiko Horikawa ,  Eiji Muramatsu ,  Shoji Taniguchi

发明人： Akira Shirota ,  Kunihiko Horikawa ,  Eiji Muramatsu ,  Shoji Taniguchi

IPC分类号： G11B7/00

CPC分类号： G11B7/00456 ,  G11B7/0062

摘要： The information recording apparatus irradiates a laser beam on a recording medium such as an optical disk and forms a recording mark corresponding to a recording signal to record information. A recording pulse signal includes a mark period irradiating the laser beam for forming the recording mark and a space period in which the recording mark is not formed. The mark period has a top pulse period and an intermediate bias period following the top pulse period. The mark period constituted by the top pulse period and the intermediate bias period does not have a continuous part of a plurality of pulses having a small pulse width unlike a pulse train, so that the correct recording mark can be stably formed on the recording medium without an inadequate deformation of a recording pulse shape, even in the case of a high speed recording.

摘要翻译： 信息记录装置将激光束照射在诸如光盘的记录介质上，并形成对应于记录信号的记录标记以记录信息。 记录脉冲信号包括照射用于形成记录标记的激光束的标记周期和不形成记录标记的空间周期。 标记周期具有在顶部脉冲周期之后的顶部脉冲周期和中间偏置周期。 由顶脉冲周期和中间偏置周期构成的标记周期不像脉冲序列那样具有脉冲宽度小的多个脉冲的连续部分，从而可以在记录介质上稳定地形成正确的记录标记，而无需在 记录脉冲形状的变形不足，即使在高速记录的情况下也是如此。

公开(公告)号：US5949749A

公开(公告)日：1999-09-07

申请号：US916209

申请日：1997-08-22

申请人： Eiji Muramatsu ,  Kunihiko Horikawa ,  Shoji Taniguchi

发明人： Eiji Muramatsu ,  Kunihiko Horikawa ,  Shoji Taniguchi

IPC分类号： G11B7/24 ,  G11B7/00 ,  G11B7/0037 ,  G11B7/004 ,  G11B7/007 ,  G11B7/013 ,  G11B7/26 ,  G11B20/00 ,  G11B23/28

CPC分类号： G11B20/00123 ,  G11B20/00086 ,  G11B20/00586 ,  G11B7/24085 ,  G11B7/261 ,  G11B23/28 ,  G11B7/0037

摘要： In an optical disk, a pit train having a spatial frequency component greater than a reproduction limit defined by the modulation transfer function of a reproducing optical pick-up is recorded at predetermined position and it is discriminated whether or not the optical disk is a copied duplicate by comparing a reproduced pit train with a prerecorded reference pattern.

摘要翻译： 在光盘中，具有大于由再现光学拾取器的调制传递函数限定的再现限制的空间频率分量的凹坑列被记录在预定位置，并且判别光盘是否是复制副本 通过将再现的坑列与预先记录的参考图案进行比较。

公开(公告)号：US07609595B2

公开(公告)日：2009-10-27

申请号：US10577774

申请日：2004-09-29

申请人： Kunihiko Horikawa ,  Hiroyuki Uchino ,  Shoji Taniguchi ,  Akira Shirota ,  Yoshio Sasaki ,  Eiji Muramatsu

发明人： Kunihiko Horikawa ,  Hiroyuki Uchino ,  Shoji Taniguchi ,  Akira Shirota ,  Yoshio Sasaki ,  Eiji Muramatsu

IPC分类号： G11B7/00

CPC分类号： G11B7/00456 ,  G11B7/1267

摘要： An information recording apparatus (300) is provided with: a recording device (352) for irradiating an information recording medium (100) with laser light and for recording information onto the information recording medium; an obtaining device (354) for obtaining at least one of (i) a special OPC strategy for defining a waveform of the laser light used to calculate an optimum laser power of the laser light for recording the information at a second recording speed different from a first recording speed, at the first recording speed, and (ii) a recording strategy for defining a waveform of the laser light used to record the information at the second recording speed; a power calculating device (354) for calculating the optimum laser power by using the special OPC strategy at the first recording speed; and a controlling device (354) for controlling said recording device to record the information at the second recording speed, by using the calculated optimum laser power and the recording strategy.

摘要翻译： 信息记录装置（300）具有：用于利用激光照射信息记录介质（100）并将信息记录在信息记录介质上的记录装置（352）; 一种用于获得（i）用于定义用于计算激光的最佳激光功率的激光的波形的特殊OPC策略的获取装置（354），用于以与第二记录速度不同的第二记录速度记录信息 第一记录速度，以及（ii）用于定义用于以第二记录速度记录信息的激光波形的记录策略; 功率计算装置，用于通过在第一记录速度下使用特殊OPC策略来计算最佳激光功率; 以及控制装置（354），用于通过使用所计算的最佳激光功率和记录策略来控制所述记录装置以第二记录速度记录信息。

公开(公告)号：US07532557B2

公开(公告)日：2009-05-12

申请号：US11730063

申请日：2007-03-29

申请人： Akira Shirota ,  Kunihiko Horikawa ,  Hiroyuki Uchino ,  Yoshio Sasaki ,  Shoji Taniguchi ,  Eiji Muramatsu

发明人： Akira Shirota ,  Kunihiko Horikawa ,  Hiroyuki Uchino ,  Yoshio Sasaki ,  Shoji Taniguchi ,  Eiji Muramatsu

IPC分类号： G11B20/10

CPC分类号： G11B7/1263 ,  G11B7/00456

摘要： The present invention provides a recording pulse generating apparatus capable of forming a recording pit having a proper shape even at the time of ultra-high-speed recording of, for example, 8× recording or higher.A recording controller 10 for generating recording pulse signals having lengths corresponding to ten kinds of lengths of pits formed at the time of recording information has a recording controller 10 for generating the recording pulse signals so that the amplitude of a recording pulse signal corresponding to a pit having a length of 4T changes from a first amplitude to a second amplitude, and generating the recording pulse signals so that the amplitude of a recording pulse signal corresponding to a pit having a length of 5T or longer changes from a third amplitude to a fourth amplitude and further changes to a fifth amplitude.

摘要翻译： 本发明提供一种记录脉冲发生装置，即使在例如8×或更高记录的超高速记录时也能形成具有适当形状的记录凹坑。 用于产生具有对应于在记录信息时形成的凹坑的十种长度的长度的记录脉冲信号的记录控制器10具有用于产生记录脉冲信号的记录控制器10，使得对应于凹坑的记录脉冲信号的幅度 具有从第一幅度到第二幅度的4T长度的变化，并且产生记录脉冲信号，使得对应于具有5T或更长的长度的凹坑的记录脉冲信号的幅度从第三幅度变化到第四幅度 并进一步改变为第五幅度。

公开(公告)号：US20070133369A1

公开(公告)日：2007-06-14

申请号：US10577144

申请日：2004-10-26

申请人： Kunihiko Horikawa ,  Akira Shirota ,  Hiroyuki Uchino ,  Shoji Taniguchi ,  Eiji Muramatsu

发明人： Kunihiko Horikawa ,  Akira Shirota ,  Hiroyuki Uchino ,  Shoji Taniguchi ,  Eiji Muramatsu

IPC分类号： G11B7/0045

CPC分类号： G11B7/0062 ,  G11B7/00456 ,  G11B7/126

摘要： An information recording device and method capable of forming a recording mark by suppressing thermal interference. The device applies a laser beam to a recording medium and forms a recording mark in accordance with a recording signal. The device includes a light source for emitting the laser beam, signal generation elements for generating a recording pulse signal according to the recording signal, and drive elements for driving the light source according to the recording pulse signal. The recording pulse signal has a mark period for forming the recording mark and a space period. The recording pulse signal makes the level in the entire space period equal to or shorter than a predetermined length and a part of the space period longer than the predetermined length to be off level. While the recording pulse signal is off level, the recording medium is cooled down, thereby suppressing the affect of thermal interference.

摘要翻译： 一种能够通过抑制热干扰而形成记录标记的信息记录装置和方法。 该装置将激光束施加到记录介质上，并根据记录信号形成记录标记。 该装置包括用于发射激光束的光源，用于根据记录信号产生记录脉冲信号的信号产生元件和用于根据记录脉冲信号驱动光源的驱动元件。 记录脉冲信号具有用于形成记录标记的标记周期和空间周期。 记录脉冲信号使整个空间周期中的电平等于或小于预定长度，并且使长度大于预定长度的空间周期的一部分成为关闭电平。 当记录脉冲信号为关闭电平时，记录介质被冷却，从而抑制热干扰的影响。

公开(公告)号：US07161888B2

公开(公告)日：2007-01-09

申请号：US10517525

申请日：2003-04-02

申请人： Kunihiko Horikawa ,  Shoji Taniguchi ,  Eiji Muramatsu ,  Akira Shirota

发明人： Kunihiko Horikawa ,  Shoji Taniguchi ,  Eiji Muramatsu ,  Akira Shirota

IPC分类号： G11B7/00 ,  G11B5/09

CPC分类号： G11B7/00456 ,  G11B7/0062

摘要： Based on a recording signal, a recording pulse signal, which includes a top pulse located at a front end portion and having a first magnitude, a last pulse located at a back end portion and having the first magnitude, and an intermediate bias portion located between the top pulse and the last pulse and having a second magnitude, is generated. Based on the recording pulse signal, a light source is controlled, and a laser pulse is irradiated on a recording medium. Recording marks corresponding to the recording signal are formed on the recording medium. In generating the recording pulse signal, when the recording medium is rotationally driven, a position of the top pulse is shifted ahead of a position of the top pulse when the recording medium is rotationally driven at the first rotation speed, when the recording medium is rotationally driven at the second control speed.

摘要翻译： 基于记录信号，记录脉冲信号，其包括位于前端部并具有第一量值的顶部脉冲，位于后端部分并具有第一幅度的最后脉冲和位于第一幅度之间的中间偏置部分 产生顶脉冲和最后脉冲并具有第二幅度。 基于记录脉冲信号，控制光源，并将激光脉冲照射在记录介质上。 在记录介质上形成与记录信号对应的记录标记。 在产生记录脉冲信号时，当记录介质被旋转驱动时，当记录介质被旋转地旋转驱动记录介质时，顶部脉冲的位置在顶部脉冲的位置之前移动 以第二控制速度驱动。

公开(公告)号：US20070223340A1

公开(公告)日：2007-09-27

申请号：US11703112

申请日：2007-02-07

申请人： Akira Shirota ,  Kunihiko Horikawa ,  Eiji Muramatsu ,  Shoji Taniguchi

发明人： Akira Shirota ,  Kunihiko Horikawa ,  Eiji Muramatsu ,  Shoji Taniguchi

IPC分类号： G11B7/00

CPC分类号： G11B7/00456 ,  G11B7/0062

摘要： The information recording apparatus irradiates a laser beam on a recording medium such as an optical disk and forms a recording mark corresponding to a recording signal to record information. A recording pulse signal includes a mark period irradiating the laser beam for forming the recording mark and a space period in which the recording mark is not formed. The mark period has a top pulse period and an intermediate bias period following the top pulse period. The mark period constituted by the top pulse period and the intermediate bias period does not have a continuous part of a plurality of pulses having a small pulse width unlike a pulse train, so that the correct recording mark can be stably formed on the recording medium without an inadequate deformation of a recording pulse shape, even in the case of a high speed recording.

摘要翻译： 信息记录装置将激光束照射在诸如光盘的记录介质上，并形成对应于记录信号的记录标记以记录信息。 记录脉冲信号包括照射用于形成记录标记的激光束的标记周期和不形成记录标记的空间周期。 标记周期具有在顶部脉冲周期之后的顶部脉冲周期和中间偏置周期。 由顶脉冲周期和中间偏置周期构成的标记周期不像脉冲序列那样具有脉冲宽度小的多个脉冲的连续部分，从而可以在记录介质上稳定地形成正确的记录标记，而无需在 记录脉冲形状的变形不足，即使在高速记录的情况下也是如此。