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    • 64. 发明授权
    • Optical disc and optical disc device
    • 光盘和光盘设备
    • US08031581B2
    • 2011-10-04
    • US12600366
    • 2007-05-15
    • Kazuo KurodaEiji Muramatsu
    • Kazuo KurodaEiji Muramatsu
    • G11B7/24G11B7/20
    • G11B7/0037G11B7/0938G11B7/24038
    • Provided herein is an optical disc having: an optical plotting layer 17 which is formed at a label surface B-side and on which an image is formed by heat change with a laser beam 28 emitted from a recording surface A-side; a protective layer 18 which is formed at the label surface B-side of the optical plotting layer 17, protects the optical plotting layer 17, and through which the image can be viewed from the label surface B-side; a substrate 15 which supports the protective layer 18 and the optical plotting layer 17; and a guide track 24 which is formed on the optical plotting layer 17 so as to be intermittent in a guide direction.
    • 这里提供了一种光盘,其具有:光刻图层17,其形成在标签表面B侧,并且通过利用从记录表面A侧发射的激光束28的热变化形成图像; 在光学绘图层17的标签表面B侧形成的保护层18保护光学绘图层17,从标签表面B侧可以看到图像。 支撑保护层18和光学绘图层17的基板15; 以及形成在光学绘图层17上以沿导向方向间歇的导轨24。
    • 65. 发明授权
    • Information recording medium, information recording device and method, and computer program
    • 信息记录介质,信息记录装置和方法以及计算机程序
    • US07800999B2
    • 2010-09-21
    • US10577227
    • 2005-06-30
    • Eiji MuramatsuKunihiko HorikawaKazuo Kuroda
    • Eiji MuramatsuKunihiko HorikawaKazuo Kuroda
    • G11B7/12
    • G11B7/00736G11B7/1267G11B7/24038G11B2007/0013
    • An information recording medium (100) is provided with: a first recording layer (L0 layer) having a first calibration area (103-1) in which test information for calibrating a power of laser light in recording record information can be recorded; and a second recording layer (L1 layer) having a second calibration area (103-2) in which the test information can be recorded and in which at least one portion of a recording area faces the first calibration area, wherein the first calibration area and the second calibration area including a space area (103U-1, 103U-2) having a predetermined size in positions facing each other, the test information is recorded in a recording area (103R-1) located on one side, centered on the space area, in the first calibration area, and the test information is recorded in a recording area (103R-2) located on other side which is opposite to the one side, centered on the space area, in the second calibration area.
    • 信息记录介质(100)具有:具有第一校准区域(103-1)的第一记录层(L0层),其中可以记录用于校准记录记录信息中的激光功率的测试信息; 和具有第二校准区域(103-2)的第二记录层(L1层),其中可以记录测试信息,并且记录区域的至少一部分面向第一校准区域,其中第一校准区域和 所述第二校准区域包括在彼此面对的位置中具有预定尺寸的空间区域(103U-1,103U-2),所述测试信息被记录在位于一侧的记录区域(103R-1)中, 区域,并且测试信息被记录在第二校准区域中位于与空间区域相对的另一侧的另一侧的记录区域(103R-2)中。
    • 67. 发明申请
    • INFORMATION RECORDING AND REPRODUCING DEVICE
    • 信息记录和复制设备
    • US20100118684A1
    • 2010-05-13
    • US12593439
    • 2008-03-13
    • Kunihiko HorikawaEiji MuramatsuKazutoshi KitanoAtsushi YamaguchiMasahiro MiuraKazuo Kuroda
    • Kunihiko HorikawaEiji MuramatsuKazutoshi KitanoAtsushi YamaguchiMasahiro MiuraKazuo Kuroda
    • G11B7/135
    • G11B7/0908G11B7/1353G11B7/1374G11B7/1387G11B2007/13727
    • An information recording and reproducing device diffracts by a diffracting means (14) to make laser light separated into a main beam and a sub-beam, irradiates evanescent light in relation to the main beam, by an evanescent light generating means (21), to a track where a recording pit provided on a recording surface of a recording medium is formed and also irradiates evanescent light in relation to the sub-beam to be separated to a track where no recording pit provided on the recording surface of the recording medium is formed. A moving means (210) moves the evanescent light generating means to a direction to change a gap with the recording surface. Further, a judging means (40) judges an uneven state of the recording pit formed on the recording medium, a signal generating means (3161) generates a gap error signal from a signal indicative of a return light amount in relation to the sub-beam or the main beam in accordance with the result, a control means (315) controls the moving means in accordance with a gap error signal so as to make the gap become a target value in response to the uneven state to be judged.
    • 信息记录和再现装置通过衍射装置(14)衍射,以使分离成主光束和子光束的激光相对于主光束相对于主光束照射消逝光,由ev逝光发生装置(21),以 形成记录介质的记录表面上的记录凹坑的轨道,并且还将相对于要分离的子光束的ev逝光照射到不形成记录介质的记录表面上的记录凹坑的轨道 。 移动装置(210)将瞬逝光发生装置移动到与记录表面改变间隙的方向。 此外,判断装置(40)判断在记录介质上形成的记录凹坑的不均匀状态,信号产生装置(3161)从表示相对于子光束的返回光量的信号产生间隙误差信号 或主光束,根据结果,控制装置(315)根据间隙误差信号控制移动装置,以使得间隙响应于待判断的不均匀状态而变为目标值。
    • 69. 发明授权
    • Information recording apparatus and computer program
    • 信息记录装置和计算机程序
    • US07539113B2
    • 2009-05-26
    • US10577226
    • 2005-08-26
    • Kazuo KurodaToshiro TanikawaEiji Muramatsu
    • Kazuo KurodaToshiro TanikawaEiji Muramatsu
    • G11B7/00
    • G11B7/0045G11B2007/0006
    • An information recording apparatus (300) is provided with: a recording device (352) for recording record information into a first or second recording layer by irradiating thereon laser light; a first controlling device (354) for controlling the recording device to record the record information into a first object area of the second recording layer which faces a recorded area of the first recording layer; and a second controlling device (354) for controlling the recording device to record the record information into a second object area of the second recording layer which faces an unrecorded area of the first recording layer smaller than a predetermined width, out of an unrecorded area whose both ends are adjacent to the recorded area.
    • 信息记录装置(300)具有:用于通过在其上照射激光将记录信息记录到第一或第二记录层中的记录装置(352) 第一控制装置(354),用于控制记录装置将记录信息记录到面对第一记录层的记录区域的第二记录层的第一对象区域中; 以及第二控制装置(354),用于控制所述记录装置将所述记录信息记录到所述第二记录层的面向距所述第一记录层的未记录区域小于预定宽度的第二对象区域的未记录区域中, 两端都与记录区相邻。