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482 条记录 (耗时 0.029 秒)

    Tracking control system with pilot signal phase setting circuitry
    1.
    发明授权
    Tracking control system with pilot signal phase setting circuitry 失效
    具有导频信号相位设定电路的跟踪控制系统

    公开(公告)号：US4951162A

    公开(公告)日：1990-08-21

    申请号：US116523

    申请日：1987-11-03

    申请人： Katsuji Yoshimura ,  Koji Takahashi ,  Kenichi Nagasawa ,  Shinichi Yamashita ,  Motokazu Kashida ,  Mitsuhiro Otokawa

    发明人： Katsuji Yoshimura ,  Koji Takahashi ,  Kenichi Nagasawa ,  Shinichi Yamashita ,  Motokazu Kashida ,  Mitsuhiro Otokawa

    IPC分类号： G11B15/467 ,  G11B21/10

    CPC分类号： G11B21/103 ,  G11B15/4678

    摘要： In an apparatus for recording an information signal on a recording medium forming many parallel tracks on the medium and for reproducing the information signal from the medium, a tracking control system is arranged to record a pilot signal of a given frequency along with the information signal in the first of the many tracks; to have the pilot signal also recorded in second and third tracks adjoining the first track on both sides thereof but at pilot signal phases shifted from the pilot signal phase of the first track to equal degrees in the directions opposite to each other at parts of the second and third tracks aligned perpendicularly to the longitudinal direction of the first track; and, in reproducing the information signal, the position of the recording medium and that of a reproducing head relative to each other are controlled on the basis of the pilot signal of the given frequency reproduced by the reproducing head from the first track along with the information signal.

    摘要翻译： 在用于在介质上形成许多并行轨道的记录介质上记录信息信号并用于从介质再现信息信号的设备中，跟踪控制系统被布置成将信号信号与信息信号一起记录在一起 第一个很多轨道; 使得导频信号也记录在与其两侧相邻的第一磁道的第二和第三磁道中，但是在第二磁道的一部分处的导频信号相位从第一磁道的导频信号相位相移到相等的方向 和第三轨道，其垂直于第一轨道的纵向排列; 并且在再现信息信号时，基于由再现头从第一轨道再现的给定频率的导频信号与信息一起来控制记录介质和再现头相对于彼此的位置 信号。

    Tracking control system using single frequency pilot signal
    2.
    发明授权
    Tracking control system using single frequency pilot signal 失效
    跟踪控制系统采用单频导频信号

    公开(公告)号：US5229891A

    公开(公告)日：1993-07-20

    申请号：US831632

    申请日：1992-02-07

    申请人： Katsuji Yoshimura ,  Koji Takahashi ,  Kenichi Nagasawa ,  Shinichi Yamashita ,  Motokazu Kashida ,  Mitsuhiro Otokawa

    发明人： Katsuji Yoshimura ,  Koji Takahashi ,  Kenichi Nagasawa ,  Shinichi Yamashita ,  Motokazu Kashida ,  Mitsuhiro Otokawa

    IPC分类号： G11B15/467 ,  G11B21/10

    CPC分类号： G11B21/103 ,  G11B15/4678

    摘要： In an apparatus for recording an information signal on a recording medium forming many parallel tracks on the medium and for reproducing the information signal from the medium, a tracking control system is arranged to record a pilot signal of a given frequency along with the information signal in the first of the many tracks; to have the pilot signal also recorded in second and third tracks adjoining the first track on both sides thereof but at pilot signal phases shifted from the pilot signal phase of the first track to equal degrees in the directions opposite to each other at parts of the second and third tracks aligned perpendicularly to the longitudinal direction of the first track; and, in reproducing the information signal, the position of the recording medium and that of a reproducing head relative to each other are controlled on the basis of the pilot signal of the given frequency reproduced by the reproducing head from the first track along with the information signal.

    摘要翻译： 在用于在介质上形成许多并行轨道的记录介质上记录信息信号并用于从介质再现信息信号的设备中，跟踪控制系统被布置成将信号信号与信息信号一起记录在一起 第一个很多轨道; 使得导频信号也记录在与其两侧相邻的第一磁道的第二和第三磁道中，但是在第二磁道的一部分处的导频信号相位从第一磁道的导频信号相位相移到相等的方向 和第三轨道，其垂直于第一轨道的纵向排列; 并且在再现信息信号时，基于由再现头从第一轨道再现的给定频率的导频信号与信息一起来控制记录介质和再现头相对于彼此的位置 信号。

    Information signal recording apparatus for aligning helical slant tracks
    9.
    发明授权
    Information signal recording apparatus for aligning helical slant tracks 失效
    用于对准螺旋倾斜轨道的信息信号记录装置

    公开(公告)号：US4878134A

    公开(公告)日：1989-10-31

    申请号：US855174

    申请日：1986-04-22

    申请人： Toshiyuki Masui ,  Motokazu Kashida ,  Koji Takahashi ,  Kenichi Nagasawa

    发明人： Toshiyuki Masui ,  Motokazu Kashida ,  Koji Takahashi ,  Kenichi Nagasawa

    IPC分类号： G11B15/467

    CPC分类号： G11B15/4678

    摘要： An apparatus for recording an information signal with rotary heads in each of a plurality of areas extending in the longitudinal direction of a tape-shaped recording medium is arranged to reproduce with the rotary heads a signal already recorded in a first area among the plurality of areas; and to record the information signal in the second of the areas while performing tracking control over the rotary heads by using the reproduced signal obtained from the first area.

    摘要翻译： 用于在沿带状记录介质的纵向方向延伸的多个区域中的每个区域中记录具有旋转磁头的信息信号的装置被布置成利用旋转磁头再现已经记录在多个区域中的第一区域中的信号 ; 并且通过使用从第一区域获得的再现信号在第二区域中记录信息信号，同时对旋转磁头进行跟踪控制。

    Rotary head type recording apparatus having an erasing function based on recording mode
    10.
    发明授权
    Rotary head type recording apparatus having an erasing function based on recording mode 失效
    具有基于记录模式的擦除功能的旋转头型记录装置

    公开(公告)号：US4879609A

    公开(公告)日：1989-11-07

    申请号：US277479

    申请日：1988-11-23

    申请人： Susumu Kozuki ,  Koji Takahashi ,  Keiji Satoh ,  Kenichi Nagasawa ,  Hiroo Edakubo ,  Mitsuhiro Otokawa

    发明人： Susumu Kozuki ,  Koji Takahashi ,  Keiji Satoh ,  Kenichi Nagasawa ,  Hiroo Edakubo ,  Mitsuhiro Otokawa

    IPC分类号： G11B5/008 ,  G11B5/024 ,  G11B15/12

    CPC分类号： G11B15/125 ,  G11B5/0086 ,  G11B5/00878 ,  G11B5/024

    摘要： A rotary head type recording apparatus according to the present invention can record information signals on a tape-shaped magnetic recording medium based on a plurality of kinds of recording modes in which track pitches are different from each other, and the track pitches of the recording tracks formed on the taped-shaped magnetic recording medium are varied depending on the kinds of the recording modes and at the same time a pattern of a signal-for-erasion supplied to a rotary type erasing head with wider width in the direction perpendicularly crossing a tracing direction of the head than that of a rotary type magnetic head is varied depending on the kinds of the recording modes, so that the undesirable influence of the signal-for-erasion over the recording of the information signals is reduced and at the same time power consumption is also reduced.

    摘要翻译： 根据本发明的旋转头型记录装置可以基于轨道间距彼此不同的多种记录模式将信息信号记录在带状磁记录介质上，并且记录轨道的轨道间距 形成在带状磁记录介质上的形状根据记录模式的种类而变化，并且同时提供给垂直于跟踪的方向上具有较宽宽度的旋转式擦除头的用于擦除的信号的图案 头的方向与旋转式磁头的方向根据记录模式的种类而变化，从而减少信息信号的记录对信息信号的不期望的影响，并且同时功率 消费也减少了。