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    • 2. 发明申请
    • Optical Recording Method and Optical Recording Device
    • 光记录方法和光记录装置
    • US20080062842A1
    • 2008-03-13
    • US11587697
    • 2005-04-26
    • Tomo KishigamiOsamu TsukaharaYoshihiro Kiyose
    • Tomo KishigamiOsamu TsukaharaYoshihiro Kiyose
    • G11B7/0045
    • G11B7/00456
    • In a dye-type optical recording medium, a write strategy for use in recording is determined based on recommended write strategy parameters recorded on an optical disk (160) and the characteristics of the optical recording device, and recording is carried out on the optical disk (160) according to the determined write strategy. In a medium of the phase change type, a power ratio and modulation degree for use in recording are determined from a recommended pulse width value in the recommended write strategy parameters recorded in the optical disk (160), the recommended power ratio value, the recommended recording power value, and the characteristics of the optical recording device, and recording is carried out on the optical disk (160) according to the power ratio value and modulation degree value thus determined. Optimal recording can be carried out even on an optical disk for which the optimal write strategy information has not been determined in advance, without the need to store write strategy information suitable for each and every optical disk.
    • 在染料型光学记录介质中,基于记录在光盘(160)上的推荐写入策略参数和光学记录装置的特性来确定用于记录的写入策略,并且在光盘上执行记录 (160)根据确定的写策略。 在相变型的介质中,根据记录在光盘(160)中的推荐写入策略参数中的推荐脉冲宽度值,推荐功率比值,推荐的功率比,推荐的功率比和调制度 记录功率值和光学记录装置的特性,并且根据如此确定的功率比值和调制度值在光盘(160)上进行记录。 即使在没有预先确定最佳写入策略信息的光盘上也可以进行最佳记录,而不需要存储适合于每个光盘的写入策略信息。
    • 3. 发明申请
    • OPTICAL RECORDING METHOD AND OPTICAL RECORDING DEVICE
    • 光学记录方法和光学记录装置
    • US20110128836A1
    • 2011-06-02
    • US13016142
    • 2011-01-28
    • Tomo KISHIGAMIOsamu TsukaharaYoshihiro Kiyose
    • Tomo KISHIGAMIOsamu TsukaharaYoshihiro Kiyose
    • G11B7/125
    • G11B7/00456
    • In a dye-type optical recording medium, a write strategy for use in recording is determined based on recommended write strategy parameters recorded on an optical disk (160) and the characteristics of the optical recording device, and recording is carried out on the optical disk (160) according to the determined write strategy. In a medium of the phase change type, a power ratio and modulation degree for use in recording are determined from a recommended pulse width value in the recommended write strategy parameters recorded in the optical disk (160), the recommended power ratio value, the recommended recording power value, and the characteristics of the optical recording device, and recording is carried out on the optical disk (160) according to the power ratio value and modulation degree value thus determined. Optimal recording can be carried out even on an optical disk for which the optimal write strategy information has not been determined in advance, without the need to store write strategy information suitable for each and every optical disk.
    • 在染料型光学记录介质中,基于记录在光盘(160)上的推荐写入策略参数和光学记录装置的特性来确定用于记录的写入策略,并且在光盘上执行记录 (160)根据确定的写策略。 在相变型的介质中,根据记录在光盘(160)中的推荐写入策略参数中的推荐脉冲宽度值,推荐功率比值,推荐的功率比,推荐的功率比和调制度 记录功率值和光学记录装置的特性,并且根据如此确定的功率比值和调制度值在光盘(160)上进行记录。 即使在没有预先确定最佳写入策略信息的光盘上也可以进行最佳记录,而不需要存储适合于每个光盘的写入策略信息。
    • 4. 发明授权
    • Optical recording method and optical recording device
    • 光记录方法和光记录装置
    • US07903518B2
    • 2011-03-08
    • US11587697
    • 2005-04-26
    • Tomo KishigamiOsamu TsukaharaYoshihiro Kiyose
    • Tomo KishigamiOsamu TsukaharaYoshihiro Kiyose
    • G11B7/00
    • G11B7/00456
    • In a dye-type optical recording medium, a write strategy for use in recording is determined based on recommended write strategy parameters recorded on an optical disk (160) and the characteristics of the optical recording device, and recording is carried out on the optical disk (160) according to the determined write strategy. In a medium of the phase change type, a power ratio and modulation degree for use in recording are determined from a recommended pulse width value in the recommended write strategy parameters recorded in the optical disk (160), the recommended power ratio value, the recommended recording power value, and the characteristics of the optical recording device, and recording is carried out on the optical disk (160) according to the power ratio value and modulation degree value thus determined. Optimal recording can be carried out even on an optical disk for which the optimal write strategy information has not been determined in advance, without the need to store write strategy information suitable for each and every optical disk.
    • 在染料型光学记录介质中,基于记录在光盘(160)上的推荐写入策略参数和光学记录装置的特性来确定用于记录的写入策略,并且在光盘上执行记录 (160)根据确定的写策略。 在相变型的介质中,根据记录在光盘(160)中的推荐写入策略参数中的推荐脉冲宽度值,推荐功率比值,推荐的功率比,推荐的功率比和调制度 记录功率值和光学记录装置的特性,并且根据如此确定的功率比值和调制度值在光盘(160)上进行记录。 即使在没有预先确定最佳写入策略信息的光盘上也可以进行最佳记录,而不需要存储适合于每个光盘的写入策略信息。
    • 8. 发明授权
    • Optical disc apparatus and recording method
    • 光盘装置和记录方法
    • US08547806B2
    • 2013-10-01
    • US12989297
    • 2009-01-26
    • Yoshihiro KiyoseTomo Kishigami
    • Yoshihiro KiyoseTomo Kishigami
    • G11B7/085
    • G11B7/0956
    • A recorded area is reproduced during a suspension of a recording operation; when degradation of the recorded signal is detected (S4, S5) by the signal quality detection means (16), a tilt adjustment is performed in the recorded area, the signal quality of the recorded signal is detected after the tilt adjustment (S6), and if it is still degraded, a recording parameter is altered (step S7). The need to obtain tilt adjustment values for tilt corrections at a plurality of radial positions in advance is eliminated, resulting in reduced apparatus overhead and better recording quality.
    • 在记录操作暂停期间再现记录区域; 当由信号质量检测装置(16)检测到记录信号的劣化(S4,S5)时,在记录区域中执行倾斜调整,在倾斜调整之后检测记录信号的信号质量(S6) 如果仍然劣化,则改变记录参数(步骤S7)。 预先获得在多个径向位置处获得用于倾斜校正的倾斜调整值的需要,从而减少了设备开销和更好的记录质量。
    • 9. 发明授权
    • Optical disc reproduction power setting method, optical disc reproduction method, and optical disc device
    • 光盘再现功率设定方法,光盘再现方法和光盘装置
    • US08358568B2
    • 2013-01-22
    • US13203799
    • 2010-04-07
    • Tomo KishigamiKoichi IkutaNobuo TakeshitaYoshihiro KiyoseYusuke Kanatake
    • Tomo KishigamiKoichi IkutaNobuo TakeshitaYoshihiro KiyoseYusuke Kanatake
    • G11B7/00
    • G11B7/00736G11B7/005G11B7/1267
    • According to a method for setting the laser beam power applied to reproduce information recorded on an optical disc, information recorded in a region on the optical disc is reproduced using three or more test reproduction powers (S22B), the number of reproductions until the degradation of the quality of the reproduced signal reaches a prescribed value is determined as the degradation number of reproductions (S22F), the relation between the test reproduction power and the degradation number of reproductions is approximated by a curve, and a reproduction power restricting the degradation of the reproduced signal quality to a predetermined amount or less over a certain guaranteed number of reproductions is determined (S25F). In optical reproduction from an optical disc on which information is recorded, the optimum power of irradiation for reproduction can be set, and degradation of the information due to the reproducing light can be prevented.
    • 根据用于设置用于再现记录在光盘上的信息的激光束功率的方法,使用三个或更多个测试再现功率(S22B)再现记录在光盘上的区域中的信息,直到再次使用 将再现信号的质量达到规定值确定为再现的劣化次数(S22F),则通过曲线近似测试再现功率和再现的退化次数之间的关系,并且限制了再现的劣化 确定在一定的保证数量的再现的再现信号质量达预定量或更小的值(S25F)。 在从记录有信息的光盘进行光学再现时,可以设置用于再现的照射的最佳功率,并且可以防止由于再现光引起的信息的劣化。