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Jikikirokusaiseisochinooototoratsukingusochi

机译:大都会虎王的时间记录再现措施

摘要

PURPOSE:To make reproduction with high accuracy, without crosstalk, by recording and reproducing a pilot signal with a main signal recording rotating head and controlling a relative position of the rotating head to a track so the head can accurately scan a track with the pilot signal. CONSTITUTION:Rotating heads 1W and 2W for recording of a main signal and rotating heads 1R and 2R for reproduction have different azimuth angle, and the main signal recording heads 1W and 2W sequentially record four different pilot signals f1, f2, f3 and f4 on tracks 1A, 1B, 2A, 2B... at each track. At reproduction, the main signal is reproduced with the reproduction head with the same azimuth angle as the recorded tracks, and the pilot signals on the left and right tracks are reproduced with the main signal recording heads with the same azimuth angle as at recording to the left and right tracks. This pilot signal controls the relative position between the rotating heads and the tracks to obtain just tracking.
机译:目的:通过用主信号记录旋转磁头记录和再现导频信号并控制旋转磁头相对于磁道的相对位置,以实现高精度,无串扰的再现,从而磁头可以利用导频信号精确地扫描磁道。组成:用于记录主信号的旋转磁头1W和2W和用于再现的旋转磁头1R和2R具有不同的方位角,并且主信号记录磁头1W和2W在轨道上顺序记录四个不同的导频信号f1,f2,f3和f4在每个轨道上分别为1A,1B,2A,2B ...在再现时,用与记录的轨道相同的方位角的再现头来再现主信号,并且用与记录到磁道上相同的方位角的主信号记录头来再现左右轨道上的导频信号。左右轨道。该引导信号控制旋转头和轨道之间的相对位置以获得正好跟踪。

著录项

  • 公开/公告号JPH0239015B2

    专利类型

  • 公开/公告日1990-09-03

    原文格式PDF

  • 申请/专利权人 HITACHI LTD;

    申请/专利号JP19810070723

  • 申请日1981-05-13

  • 分类号H04N5/7826;G11B5/53;G11B5/588;

  • 国家 JP

  • 入库时间 2022-08-22 06:20:44

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