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    • 11. 发明专利
    • Recording and reproducing apparatus and program
    • 记录和再现设备和程序
    • JP2007172808A
    • 2007-07-05
    • JP2006202186
    • 2006-07-25
    • Denso Corp株式会社デンソー
    • SUZUKI SATOSHITAHIRA MASAKI
    • G11B20/10B60R11/02H04N5/91
    • G11B19/26G11B20/10G11B2020/10962
    • PROBLEM TO BE SOLVED: To provide a technology for recording content data in a shorter period while preventing generation of a reproducing error associated with generation of a recording error by recording the content data at a proper recording speed, in a recording and reproducing device capable of simultaneously executing processing for reading the content data from a portable recording medium to record it on a recording means and processing for reproducing the read content data.
      SOLUTION: A controller 29 determines whether a read time period of a track (a) is less than the reproducing time period of a track a-1 or not (S103), when reading the track (a) at Nx speed (high speed). In the case of affirmative determination, the reading speed for the track (a) is set at the Nx speed (high speed) (S104), and in the case of denial determination, the reading speed for the track (a) is set at an nx speed (low speed) (S105). The controller 29 performs recording and reproducing of each track at the set reading speed (S108).
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种用于在更短的时间内记录内容数据的技术,同时通过以适当的记录速度记录内容数据来防止产生与产生记录错误相关的再现错误,在记录和再现中 能够同时执行用于从便携式记录介质读取内容数据以将其记录在记录装置上的处理和用于再现读取的内容数据的处理的处理。 解决方案:当以Nx速度读取轨道(a)时,控制器29确定轨道(a)的读取时间段是否小于轨道a-1的再现时间段(S103) 高速)。 在肯定判定的情况下,将轨道(a)的读取速度设定为Nx速度(高速)(S104),在拒绝判定的情况下,将轨道(a)的读取速度设定为 nx速度(低速)(S105)。 控制器29以设定的读取速度执行每个轨道的记录和再现(S108)。 版权所有(C)2007,JPO&INPIT
    • 18. 发明专利
    • Optical disk drive and its revolution speed control method
    • 光盘驱动及其革命速度控制方法
    • JP2005108285A
    • 2005-04-21
    • JP2003336848
    • 2003-09-29
    • Funai Electric Co Ltd船井電機株式会社
    • TAKENAKA HIROYUKI
    • G11B19/04G11B19/26G11B19/28H04N5/85
    • H04N21/42646G11B19/26H04N5/85
    • PROBLEM TO BE SOLVED: To provide an optical disk drive and its revolution control method that can determine the revolution speed of the disk spindle motor according to the environmental conditions.
      SOLUTION: This method has a revolution speed range determining step to determine the upper and/or lower limits of the disk drive (A) according to the environmental information, a revolution speed limiting step to select the upper and/or lower limit having a priority from the upper and/or lower limits determined for the disk spindle motor 2 by a host computer HC, a read speed determining step to detect the upper limit of the speed in which the optical pickup can read by gradually lowering the speed from the determined upper limit speed, and a recording step to record the detected revolution speed of the disk spindle motor 2 in the memory.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供可以根据环境条件确定盘主轴电动机的转速的光盘驱动器及其转速控制方法。 解决方案:该方法具有根据环境信息确定盘驱动器(A)的上限和下限的转速范围确定步骤,选择上限和/或下限的转速限制步骤 从由主计算机HC确定的对于盘主轴电动机2的上限和/或下限具有优先权;读取速度确定步骤,通过逐渐降低速度来检测光学拾取器可读取的速度的上限 所确定的上限速度和记录步骤,用于将检测到的盘主轴电动机2的转速记录在存储器中。 版权所有(C)2005,JPO&NCIPI