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    • 41. 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
    • US07423945B2
    • 2008-09-09
    • US10950481
    • 2004-09-28
    • Yasuhiro Ueki
    • Yasuhiro Ueki
    • G11B27/22
    • 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
    • 46. 发明授权
    • Information-signal recording and reproducing apparatus
    • 信息信号记录和再现装置
    • US07352661B2
    • 2008-04-01
    • US11643870
    • 2006-12-22
    • Yasuhiro Ueki
    • Yasuhiro Ueki
    • G11B21/08
    • H04N5/85G11B7/0079G11B20/10527G11B27/005G11B27/034G11B27/036G11B27/105G11B27/329G11B27/34G11B27/36G11B2020/10537G11B2020/10592G11B2020/1062G11B2020/10703G11B2020/10722G11B2020/10916G11B2020/10953G11B2020/10962G11B2220/216G11B2220/2562G11B2220/2575H04N9/8042H04N19/152H04N19/61
    • A recording medium has first and second areas on which first and second information signals are recorded respectively. The first information signal has a size Ya. The second information signal has a size Yb. A head operates for reproducing the first and second information signals from the first and second areas of the recording medium and transmitting the reproduced first and second information signals on a time sharing basis and at a predetermined constant transfer rate Rp while moving between the first and second areas of the recording medium. A buffer memory operates for receiving the first and second information signals from the head at the predetermined constant transfer rate Rp, for temporarily storing the first and second information signals, and for outputting the first and second information signals at first and second transfer rates Ra and Rb respectively. The first and second transfer rates Ra and Rb are lower than the predetermined constant transfer rate Rp. The predetermined constant transfer rate Rp, the first transfer rate Ra, the second transfer rate Rb, the size Ya of the first information signal, the size Yb of the second information signal, a seek time Tab taken by the head to move from the first area to the second area of the recording medium, and a seek time Tba taken by the head to move from the second area to the first area of the recording medium are in a relation as follows: (Ya+Yb)≧Rp·(Ra+Rb)·(Tab+Tba)/(Rp−Ra−Rb).
    • 记录介质具有分别记录第一和第二信息信号的第一和第二区域。 第一个信息信号的大小为Ya。 第二信息信号具有大小Yb。 头部用于再现来自记录介质的第一和第二区域的第一和第二信息信号,并且在时间共享的基础上以预定的恒定传送速率Rp发送再现的第一和第二信息信号,同时在第一和第二信号之间移动 记录介质的区域。 缓冲存储器用于以预定的恒定传送速率Rp从头接收第一和第二信息信号,用于临时存储第一和第二信息信号,并且用于以第一和第二传送速率Ra输出第一和第二信息信号, Rb。 第一和第二传递速率Ra和Rb低于预定的恒定传送速率Rp。 预定的恒定传送速率Rp,第一传送速率Ra,第二传送速率Rb,第一信息信号的尺寸Ya,第二信息信号的大小Yb,由头部从第一传送速率Rp, 区域到记录介质的第二区域,以及由头部从记录介质的第二区域移动到第一区域的寻道时间Tba的关系如下:<?in-line-formula description =“ (Ya + Yb)> = Rp(Ra + Rb)(Tab + Tba)/(Rp-Ra-Rb)<?在线公式描述= “直线公式”end =“tail”?>
    • 48. 发明申请
    • Information-signal recording and reproducing apparatus
    • 信息信号记录和再现装置
    • US20070115764A1
    • 2007-05-24
    • US11643870
    • 2006-12-22
    • Yasuhiro Ueki
    • Yasuhiro Ueki
    • G11B21/08
    • H04N5/85G11B7/0079G11B20/10527G11B27/005G11B27/034G11B27/036G11B27/105G11B27/329G11B27/34G11B27/36G11B2020/10537G11B2020/10592G11B2020/1062G11B2020/10703G11B2020/10722G11B2020/10916G11B2020/10953G11B2020/10962G11B2220/216G11B2220/2562G11B2220/2575H04N9/8042H04N19/152H04N19/61
    • A recording medium has first and second areas on which first and second information signals are recorded respectively. The first information signal has a size Ya. The second information signal has a size Yb. A head operates for reproducing the first and second information signals from the first and second areas of the recording medium and transmitting the reproduced first and second information signals on a time sharing basis and at a predetermined constant transfer rate Rp while moving between the first and second areas of the recording medium. A buffer memory operates for receiving the first and second information signals from the head at the predetermined constant transfer rate Rp, for temporarily storing the first and second information signals, and for outputting the first and second information signals at first and second transfer rates Ra and Rb respectively. The first and second transfer rates Ra and Rb are lower than the predetermined constant transfer rate Rp. The predetermined constant transfer rate Rp, the first transfer rate Ra, the second transfer rate Rb, the size Ya of the first information signal, the size Yb of the second information signal, a seek time Tab taken by the head to move from the first area to the second area of the recording medium, and a seek time Tba taken by the head to move from the second area to the first area of the recording medium are in a relation as follows: (Ya+Yb)≧Rp·(Ra+Rb)·(Tab+Tba)/(Rp−Ra−Rb)
    • 记录介质具有分别记录第一和第二信息信号的第一和第二区域。 第一个信息信号的大小为Ya。 第二信息信号具有大小Yb。 头部用于再现来自记录介质的第一和第二区域的第一和第二信息信号,并且在时间共享的基础上以预定的恒定传送速率Rp发送再现的第一和第二信息信号,同时在第一和第二信号之间移动 记录介质的区域。 缓冲存储器用于以预定的恒定传送速率Rp从头接收第一和第二信息信号,用于临时存储第一和第二信息信号,并且用于以第一和第二传送速率Ra输出第一和第二信息信号, Rb。 第一和第二传递速率Ra和Rb低于预定的恒定传送速率Rp。 预定的恒定传送速率Rp,第一传送速率Ra,第二传送速率Rb,第一信息信号的尺寸Ya,第二信息信号的大小Yb,由头部从第一传送速率Rp, 区域到记录介质的第二区域,以及由头部从记录介质的第二区域移动到第一区域的寻道时间Tba的关系如下:<?in-line-formula description =“ (Ya + Yb)= Rp(Ra + Rb)(Tab + Tba)/(Rp-Ra-Rb)<?在线公式描述=“ 在线公式“end =”tail“?>