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    • 34. 发明申请
    • Information Recording Apparatus and Method, and Computer Program
    • 信息记录装置与方法,计算机程序
    • US20080232226A1
    • 2008-09-25
    • US10586488
    • 2004-12-08
    • Masahiro KatoShoji TaniguchiEiji MuramatsuToshio SuzukiKazuo KurodaKunihiko Horikawa
    • Masahiro KatoShoji TaniguchiEiji MuramatsuToshio SuzukiKazuo KurodaKunihiko Horikawa
    • G11B7/00
    • G11B7/126G11B7/0045
    • An information recording apparatus has: a recording device for recording information onto an information recording medium, whose recording speed can be changed to first and second linear velocities, by irradiating laser light with a variable recording power; a measuring device for measuring reproduction quality by reproducing the record information recorded at the first linear velocity, if the recording speed is changed from the first linear velocity to the second linear velocity; a first calculating device for calculating a link power which is the recording power which gives the reproduction quality measured by the measuring device in the second linear velocity, on the basis of correlation information for representing a correlation between the recording power in the second linear velocity and the reproduction quality of the record information; and an adjusting device for adjusting the recording power at a time in stages or in continuity.
    • 信息记录装置具有:通过用可变记录功率照射激光将信息记录到信息记录介质上的记录装置,其记录速度可以改变为第一和第二线速度; 如果记录速度从第一线速度改变为第二线速度,则通过再现以第一线速度记录的记录信息来测量再现质量的测量装置; 第一计算装置,用于基于用于表示第二线速度中的记录功率与第二线速度之间的相关性的相关信息,计算作为以第二线速度给出由测量装置测量的再现质量的记录功率的链接功率; 记录信息的再现质量; 以及用于分级或连续地调整记录功率的调整装置。
    • 36. 发明授权
    • Information recording medium, information recording device and method, information recording/reproducing device and method, and computer program
    • 信息记录介质,信息记录装置和方法,信息记录/再现装置和方法以及计算机程序
    • US07603027B2
    • 2009-10-13
    • US10574354
    • 2004-09-28
    • Masahiro KatoShoji TaniguchiEiji MuramatsuKunihiko HorikawaToshio SuzukiKazuo Kuroda
    • Masahiro KatoShoji TaniguchiEiji MuramatsuKunihiko HorikawaToshio SuzukiKazuo Kuroda
    • H04N5/00
    • G11B7/1267
    • An information recording apparatus (1) is provided with: a recording device (310) for recording record information onto an information recording medium by irradiating the information recording medium (100) with laser light with a recording power according to a set value; a calculating device (340) for preparing correlation information which represents a correlation between the set value and reproduction quality, and for obtaining a reference set value which gives target reproduction quality as being desired reproduction quality, by reproducing test-record information recorded with changing the set value on the recording device; a measuring device (330) for measuring the reproduction quality, by reproducing the record information recorded by using the reference set value on the recording device; and an adjusting device (400) for obtaining adjustment amount of the reference set value on the basis of the correlation information if the reproduction quality measured by the measuring device is different from the target reproduction quality, and for adjusting the reference set value such that a set value which is adjusted based on the adjustment amount is to be a new reference set value.
    • 一种信息记录装置(1)具有:记录装置,用于通过用记录功率根据设定值照射信息记录介质(100)来将记录信息记录在信息记录介质上; 计算装置(340),用于准备表示设定值和再现质量之间的相关性的相关信息,并且通过再现通过改变所述再现质量而记录的测试记录信息,获得给出目标再现质量作为期望再现质量的参考设定值 在录音设备上设置值; 用于通过在记录装置上再现通过使用参考设定值记录的记录信息来测量再现质量的测量装置; 以及调整装置(400),用于如果由测量装置测量的再现质量与目标再现质量不同,则基于相关信息获得参考设定值的调整量,并且用于调整参考设定值,使得 基于调整量调整的设定值为新的基准设定值。
    • 39. 发明申请
    • Information record medium, and information record apparatus and method
    • 信息记录介质,信息记录装置和方法
    • US20050276212A1
    • 2005-12-15
    • US11148433
    • 2005-06-09
    • Masahiro KatoEiji MuramatsuKunihiko HorikawaShoji TaniguchiKazuo Kuroda
    • Masahiro KatoEiji MuramatsuKunihiko HorikawaShoji TaniguchiKazuo Kuroda
    • G11B7/24G11B7/0045G11B7/007G11B7/125G11B7/244
    • G11B7/1267G11B7/00736G11B7/24038G11B7/24079
    • An information record medium is provided with: a first record layer (107) for recording first information, and one or more second record layers (207) disposed on said first record layer, each second layer being for recording second information, each layer of said second layers has a predetermined area (PCA1-1) where a power calibration is performed to detect an optimum recording power of recording laser beam transmitted through the first record layer and another layer of the second layers, said another layer positioned closer to said first record layer than said each layer, and in opposite areas (TA) of said another layer and said first record layer, said opposite areas being opposite to said predetermined area of said each layer of said second layers, a first absolute amount of at least one of width and depth of a groove is increased and thereby light transmittance in said opposite areas is approached to (i) light transmittance under an assumption that the first absolute amount is not increased and said another layer and said first record layer are in a recorded state, in comparison to (ii) light transmittance under an assumption that the first absolute amount is not increased and said another layer and said first record layer are in a non-recorded state.
    • 信息记录介质设置有:用于记录第一信息的第一记录层(107)和设置在所述第一记录层上的一个或多个第二记录层(207),每个第二层用于记录第二信息,每层所述 第二层具有预定区域(PCA 1-1),其中执行功率校准以检测通过第一记录层传输的记录激光束和第二层的另一层的最佳记录功率,所述另一层位于更靠近所述第一层 记录层,并且在所述另一层和所述第一记录层的相对区域(TA)中,所述相对区域与所述第二层的每层的所述预定区域相对,第一绝对量的至少一个 增加凹槽的宽度和深度,从而在所述相对区域中的光透射率接近(i)透光率,假设第一绝对量 在不假定第一绝对量不增加且所述另一层和所述第一记录层为...的情况下,与(ii)透光率相比,t不增加,并且所述另一层和所述第一记录层处于记录状态 非记录状态。