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    • 94. 发明授权
    • Optical disc, method and apparatus for recording signal thereon
    • 用于在其上记录信号的光盘,方法和装置
    • US07911902B2
    • 2011-03-22
    • US12149579
    • 2008-05-05
    • Yasuhiro Ueki
    • Yasuhiro Ueki
    • G11B7/00
    • G11B7/1267G11B7/00736
    • An optical disc includes a data area, a first test recording area, a second test recording area, and a recording information management area. The first test recording area extends inward of the data area, and has a portion which has undergone test recording. The second test recording area extends outward of the data area, and has a portion which has undergone test recording. The recording information management area includes an address information area storing an address of the portion of the first test recording area and an address of the portion of the second test recording area. The recording information management area may further include a recording condition information area storing information representing a condition of the test recording the portion of the first test recording area has undergone and information representing a condition of the test recording the portion of the second test recording area has undergone.
    • 光盘包括数据区,第一测试记录区,第二测试记录区和记录信息管理区。 第一测试记录区域延伸到数据区域的内侧,并且具有经过测试记录的部分。 第二测试记录区域延伸到数据区域外部,并且具有经过测试记录的部分。 记录信息管理区域包括存储第一测试记录区域的部分的地址和第二测试记录区域的部分的地址的地址信息区域。 记录信息管理区域还可以包括记录条件信息区域,其存储表示测试记录第一测试记录区域的部分的测试条件的信息,以及表示测试记录第二测试记录区域的部分的条件的信息 经历了
    • 95. 发明申请
    • Information recording medium, and method and apparatus for recording a signal thereon
    • 信息记录介质,以及在其上记录信号的方法和装置
    • US20100110852A1
    • 2010-05-06
    • US12654704
    • 2009-12-29
    • Yasuhiro Ueki
    • Yasuhiro Ueki
    • G11B7/00G11B7/24
    • G11B7/1267G11B7/00736G11B2007/0013
    • A disc-shaped information recording medium includes a laminate of recording layers on and from which an information signal can be optically recorded and reproduced from one side of the medium. Data areas are provided in the recording layers, respectively. The information signal can be recorded on and reproduced from the data areas while a laser beam emitted from an optical pickup is applied to the data areas. Optical recording test areas are provided in the recording layers, respectively. A test signal can be recorded on and reproduced from the optical recording test areas to decide optimum power values of the laser beam for signal recording. The test areas are out of overlap as viewed in a direction of propagation of the laser beam.
    • 盘形信息记录介质包括记录层的层叠体,信息信号可以从介质的一侧被光学记录和再现。 分别在记录层中提供数据区。 信息信号可以被记录在数据区上并从数据区再现,而从光拾取器发射的激光束被施加到数据区。 光记录测试区域分别设置在记录层中。 测试信号可以记录在光学记录测试区域上并从光学记录测试区域再现,以确定用于信号记录的激光束的最佳功率值。 在激光束的传播方向观察时,测试区域不重叠。