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    • 8. 发明公开
    • Data recording/reproducing apparatus and data recording/reproducing method
    • 数据记录/重放装置和数据记录/重放方法
    • EP0933936A3
    • 1999-08-11
    • EP99106071.6
    • 1995-03-13
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Yanagawa, YoshifumiKunihira, TadashiGoto, MakotoIketani, AkiraTakeuchi, AkihiroYamada, MasazumiHamamoto, YasuoMatsumi, Chiyoko
    • H04N5/926H04N5/937
    • H04N5/783H04N5/78266H04N5/9205H04N5/9261
    • A data recording/reproducing apparatus of the invention records data in a plurality of tracks on a tape like recording medium (7) by using a head unit (6) mounted on a rotational cylinder and reproduces recorded data from the tracks, the tracks having at least two azimuth angles different from one another, and the tracks of the different azimuth angles being alternately located on the recording medium, the apparatus including: a formatter (3) for providing, to each of the tracks, a normal data region to be used in normal reproduction and at least one search data region to be used in reproduction at a standard variable reproduction speed; for grouping the plurality of tracks into track sets each having a predetermined number of tracks, each search data region being located in the same position on a corresponding track included in the track set, and for placing identical search data in the search data region of each track included in the track set.
    • 本发明的数据记录/再现设备通过使用安装在旋转圆柱体上的头单元(6)将数据记录在诸如记录介质(7)的带上的多个轨道中,并且从轨道再现记录的数据,轨道具有在 至少两个彼此不同的方位角,并且不同方位角的轨道交替地位于记录介质上,所述设备包括:格式化器(3),用于向每个轨道提供要使用的正常数据区 在正常再现中以至少一个搜索数据区域以标准可变再现速度再现时使用; 用于将多个轨道分组成每个具有预定数量轨道的轨道组,每个搜索数据区域位于轨道组中包括的相应轨道上的相同位置,并且用于将相同的搜索数据放置在每个轨道组的搜索数据区域中 包含在赛道集中的赛道。