公开(公告)号：US4843493A

公开(公告)日：1989-06-27

申请号：US838958

申请日：1986-03-12

申请人： Takashi Furuhata ,  Yasufumi Yumde ,  Fujio Okamura ,  Takaharu Noguchi ,  Toshifumi Shibuya ,  Katsuo Mohri ,  Takao Arai ,  Toshimichi Terada

发明人： Takashi Furuhata ,  Yasufumi Yumde ,  Fujio Okamura ,  Takaharu Noguchi ,  Toshifumi Shibuya ,  Katsuo Mohri ,  Takao Arai ,  Toshimichi Terada

IPC分类号： G11B15/467 ,  G11B15/473

CPC分类号： G11B15/4672 ,  G11B15/4678 ,  G11B15/4738

摘要： A method of producing a tracking control signal in a rotary head type magnetic recording and reproducing apparatus and a rotary head type magnetic recording and reproducing apparatus capable of a proper tracking by the use of the tracking control signal. First and second tracking signals are recorded on local portions of each odd-numbered track and the first tracking signal and a third tracking signal are recorded on local portions of each even-numbered track in such a manner that the second tracking signals on two odd-numbered track adjacent to any one even-numbered track are not overlapped with each other and the third tracking signals on two even-numbered tracks adjacent to any one odd-numbered track are not overlapped with each other when viewed in a direction perpendicular to the longitudinal direction of the tracks; upon scanning of a track crosstalk signals are detected from two adjacent track simultaneously with reproduction of the first and second or third tracking signals; and the detected crosstalk signals are compared by the use of timing of the reproduction of the first tracking signal for each track thereby producing a tracking control signal. The second tracking signal may have a frequency equal to that of the third tracking frequency.

摘要翻译： 一种在旋转磁头式磁记录和再现装置中产生跟踪控制信号的方法以及能够通过使用跟踪控制信号进行适当跟踪的旋转磁头型磁记录和再现装置。 第一跟踪信号和第二跟踪信号被记录在每个奇数号的轨道的本地部分上，并且第一跟踪信号和第三跟踪信号被记录在每个偶数轨迹的本地部分上， 与任何一个偶数编号的轨道相邻的编号轨道彼此不重叠，并且在与任何一个奇数编号的轨道相邻的两个偶数轨道上的第三跟踪信号在垂直于纵向的方向上观察时不彼此重叠 轨道方向; 在轨道的扫描时，与第一和第二或第三跟踪信号的再现同时从两个相邻轨道检测串扰信号; 并且通过使用每个轨道的第一跟踪信号的再现的定时来比较检测到的串扰信号，从而产生跟踪控制信号。 第二跟踪信号可以具有等于第三跟踪频率的频率。

公开(公告)号：US4530012A

公开(公告)日：1985-07-16

申请号：US527203

申请日：1983-08-29

申请人： Hisao Kinjo

发明人： Hisao Kinjo

IPC分类号： H04N5/7826 ,  G11B5/588 ,  G11B15/467 ,  G11B15/473 ,  G11B21/10 ,  H04N5/782 ,  H04N9/491

CPC分类号： G11B15/4738 ,  G11B5/588

摘要： A tracking control system is used for a magnetic recording and/or reproducing apparatus in which a magnetic head relatively scans a magnetic recording medium to record and/or reproduce an information signal thereon and/or therefrom. The tracking control system comprises a circuit for supplying a tracking reference signal to the magnetic head together with the information signal. The reference signal supplying circuit supplies the tracking reference signal to the magnetic head so that the magnetic head is positioned at a position where the recorded position of a tracking reference signal on both sides of the tracks adjacent to a certain track is positioned successively shifted respectively to the track longitudinal direction with respect to the tracking reference signal recorded position at the certain track. The tracking control system further comprises a discriminating circuit for discriminating the relative phase with respect to a normal tracking reference signal of a tracking reference signal reproduced as cross-talk from a track adjacent to the track which is to be scanned, according to the normal tracking reference signal reproduced from a normal track which is to be scanned by the magnetic head, from within the signal reproduced by the reproducing means, a tracking error signal deriving circuit for deriving a tracking error signal from the output signal of the discriminating circuit, and a controlling circuit for controlling the relative scanning phase of the magnetic head with respect to the track of the magnetic recording medium by obtaining the mean value component of the tracking error signal from each plurality of tracks out of the tracking error signals.

摘要翻译： 跟踪控制系统用于磁记录和/或再现装置，其中磁头相对地扫描磁记录介质以在其上和/或从其上记录和/或再现信息信号。 跟踪控制系统包括用于将信号信号与跟踪参考信号一起提供给磁头的电路。 参考信号供给电路将跟踪参考信号提供给磁头，使得磁头位于与某一轨道相邻的轨道的两侧的跟踪参考信号的记录位置分别连续移动到 轨道纵向方向相对于跟踪参考信号记录在某一轨道的位置。 跟踪控制系统还包括鉴别电路，用于根据正常跟踪，鉴别相邻相对于相邻于要被扫描的轨迹的轨迹作为串扰再现的跟踪参考信号的正常跟踪参考信号的相对相位 从由再现装置再现的信号内的由磁头扫描的正常磁道再现的参考信号，用于从识别电路的输出信号导出跟踪误差信号的跟踪误差信号导出电路，以及 控制电路，用于通过从跟踪误差信号中的每个多个磁道获得跟踪误差信号的平均值分量来控制磁头相对于磁记录介质的轨迹的相对扫描相位。

公开(公告)号：US5594602A

公开(公告)日：1997-01-14

申请号：US286201

申请日：1994-08-05

申请人： Haruo Isaka ,  Toshihiko Maruoka ,  Kei Ichikawa ,  Kenichi Honjo ,  Makoto Gotou

发明人： Haruo Isaka ,  Toshihiko Maruoka ,  Kei Ichikawa ,  Kenichi Honjo ,  Makoto Gotou

IPC分类号： G11B5/588 ,  G11B15/46 ,  G11B15/467 ,  G11B15/473 ,  G11B5/584 ,  G11B5/58

CPC分类号： G11B15/463 ,  G11B15/4672 ,  G11B15/4678 ,  G11B15/4738 ,  G11B5/588

摘要： A tracking error detecting circuit is used in a magnetic reproducing apparatus for reproducing an information signal from tracks which are formed on a magnetic tape obliquely in a longitudinal direction of the magnetic tape. The tracks have selectively recorded thereon a pilot signal multiplexed with the information signal. The tracking error detecting circuit comprises: a rotating magnetic head scanning the tracks for reproducing the information signal on which the pilot signal is selectively multiplexed to obtain a reproduced signal; a comparator for comparing a level of the reproduced signal with a specified level and for issuing a binary signal representing a comparison result; and a level detecting circuit for detecting a level of the pilot signal contained in the reproduced signal from an output of the comparator.

摘要翻译： 在磁再现装置中使用跟踪误差检测电路，用于从在磁带的纵向上倾斜地形成在磁带上的磁道中再现信息信号。 磁道选择性地记录有与信息信号复用的导频信号。 跟踪误差检测电路包括：旋转磁头扫描磁道，用于再现其上选择性地复用导频信号的信息信号，以获得再现信号; 比较器，用于将再现信号的电平与指定电平进行比较，并用于发出表示比较结果的二进制信号; 以及电平检测电路，用于从比较器的输出中检测包含在再现信号中的导频信号的电平。

公开(公告)号：US5729890A

公开(公告)日：1998-03-24

申请号：US686306

申请日：1996-07-25

申请人： John M. Rottenburg ,  Joseph Lin ,  Robert H. Peirce ,  Richard Milo ,  Michael Andrews

发明人： John M. Rottenburg ,  Joseph Lin ,  Robert H. Peirce ,  Richard Milo ,  Michael Andrews

IPC分类号： G11B5/58 ,  G11B5/008 ,  G11B5/187 ,  G11B5/23 ,  G11B5/53 ,  G11B5/588 ,  G11B15/467 ,  G11B15/473 ,  G11B15/61 ,  G11B15/64 ,  G11B15/675 ,  G11B21/02 ,  G11B25/06 ,  G11B5/127

CPC分类号： G11B5/232 ,  G11B15/4672 ,  G11B15/61 ,  G11B15/615 ,  G11B15/64 ,  G11B15/67521 ,  G11B25/063 ,  G11B5/0086 ,  G11B5/1871 ,  G11B5/53 ,  G11B5/537 ,  G11B15/4738 ,  Y10T29/4903 ,  Y10T29/49052

摘要： An arcuate scan tape drive for transferring data to and from a data tape, including a base with four side walls and a cover, which base and cover together have a 31/2 inch form factor. In one embodiment, the head carrier assembly is provided at an oblique angle with respect to the data tape and the front surface is conically shaped. Thus, during rotation of the head carrier assembly, the recording heads are proximate to the data tape during read or write operations, but are spaced away from the data tape at other times. The head carrier assembly includes an inside-out spin motor for rotating the head carrier assembly and a pivot motor structure at the rear of the head carrier assembly for pivoting the head carrier assembly in a plane perpendicular to the longitudinal direction of advancement of the tape. The spin motor and pivoting structures receive servo signals from a controller so as to continuously adjust the position of the core elements with respect to the data tape so as to align the core elements with the arcuately-shaped data tracks.

摘要翻译： 一个弧形扫描磁带驱动器，用于将数据传输到数据磁带和从数据磁带传输数据，包括具有四个侧壁和盖子的底座，底座和盖子一起具有3 + E，1/2 + EE英寸外形尺寸。 在一个实施例中，头部托架组件相对于数据带以倾斜角度设置，并且前表面是锥形的。 因此，在头部托架组件的旋转期间，在读取或写入操作期间，记录头靠近数据带，但在其它时间与数据带间隔开。 磁头托架组件包括用于旋转磁头托架组件的内侧旋转马达和位于磁头托架组件后部的枢轴马达结构，用于使磁头托架组件垂直于磁带前进方向的平面旋转。 旋转电动机和枢转结构从控制器接收伺服信号，以便相对于数据带连续地调整芯元件的位置，以使芯元件与弓形数据轨迹对准。

公开(公告)号：US5585978A

公开(公告)日：1996-12-17

申请号：US113996

申请日：1993-08-30

申请人： John M. Rottenburg ,  Joseph Lin ,  Robert H. Peirce ,  Richard Milo ,  Michael Andrews

发明人： John M. Rottenburg ,  Joseph Lin ,  Robert H. Peirce ,  Richard Milo ,  Michael Andrews

IPC分类号： G11B5/58 ,  G11B5/008 ,  G11B5/187 ,  G11B5/23 ,  G11B5/53 ,  G11B5/588 ,  G11B15/467 ,  G11B15/473 ,  G11B15/61 ,  G11B15/64 ,  G11B15/675 ,  G11B21/02 ,  G11B25/06

CPC分类号： G11B5/232 ,  G11B15/4672 ,  G11B15/61 ,  G11B15/615 ,  G11B15/64 ,  G11B15/67521 ,  G11B25/063 ,  G11B5/0086 ,  G11B5/1871 ,  G11B5/53 ,  G11B5/537 ,  G11B15/4738 ,  Y10T29/4903 ,  Y10T29/49052

摘要： An arcuate scan tape drive for transferring data to and from a data tape, including a base with four side walls and a cover, which base and cover together have a 31/2 inch form factor. Situated within the base and cover is a head carrier assembly for recording data onto and playing back data from the data tape which advances in a longitudinal direction past the head carrier assembly. In one embodiment, the head carrier assembly is provided at an oblique angle with respect to the data tape and the front surface is conically shaped. Thus, during rotation of the head carrier assembly, the recording heads are proximate to the data tape during read or write operations, but are spaced away from the data tape at other times. Also provided within the base is a capstan motor assembly for advancing the data tape, and a cassette positioning mechanism for receiving and securing a data tape cartridge to properly position the tape as it is advanced past the head carrier assembly. The head carrier assembly includes an inside-out spin motor for rotating the head carrier assembly and a pivot motor structure at the rear of the head carrier assembly for pivoting the head carrier assembly in a plane perpendicular to the longitudinal direction of advancement of the tape. The spin motor and pivoting structures receive servo signals from a controller so as to continuously adjust the position of the core elements with respect to the data tape so as to align the core elements with the arcuately-shaped data tracks.

摘要翻译： 一个弧形扫描磁带驱动器，用于将数据传输到数据磁带和从数据磁带传输数据，包括具有四个侧壁和盖子的底座，底座和盖子一起具有3 + E，1/2 + EE英寸外形尺寸。 位于基座和盖内的是用于将数据记录在数据带上并从数据带重放数据的头托架组件，该数据带沿着纵向方向前进通过头托架组件。 在一个实施例中，头部托架组件相对于数据带以倾斜角度设置，并且前表面是锥形的。 因此，在头部托架组件的旋转期间，在读取或写入操作期间，记录头靠近数据带，但在其它时间与数据带间隔开。 还设置在基座内的是用于推进数据带的主导轴马达组件，以及用于接收和固定数据带盒以便当带先进通过磁头托架组件时正确定位磁带的盒定位机构。 磁头托架组件包括用于旋转磁头托架组件的内侧旋转马达和位于磁头托架组件后部的枢轴马达结构，用于使磁头托架组件垂直于磁带前进方向的平面旋转。 旋转电动机和枢转结构从控制器接收伺服信号，以便相对于数据带连续地调整芯元件的位置，以使芯元件与弓形数据轨迹对准。

公开(公告)号：US5469304A

公开(公告)日：1995-11-21

申请号：US320573

申请日：1994-10-11

申请人： Yoshio Sakakibara ,  Makoto Gotou ,  Haruo Isaka

发明人： Yoshio Sakakibara ,  Makoto Gotou ,  Haruo Isaka

IPC分类号： G11B15/467 ,  G11B15/04 ,  G11B15/473 ,  G11B15/60 ,  G11B27/032 ,  G11B27/036 ,  G11B27/30 ,  H04N5/7826 ,  G11B27/02 ,  G11B5/584 ,  G11B27/10

CPC分类号： G11B15/4738 ,  G11B15/04 ,  G11B15/602 ,  G11B27/036 ,  G11B27/3027 ,  G11B2220/90 ,  G11B27/032

摘要： A tape medium recording and/or reproducing apparatus suited for use in recording or reproducing information on or from a plurality of tracks on a tape medium. Each track has first and second regions defined therein in a direction conforming to the direction of scan. Each first region has a positioning signal recorded therein while a tracking pilot signal is recorded in selected ones of the first regions. The apparatus includes a positioning signal detector for detecting the positioning signal to provide a reproducing position signal, and a reproduction timing generator for generating a reproduction timing signal at a first timing determined by the reproducing position signal. A timing memory is provided to store the length of time from the timing, at which the rotational reference position of a cylinder has been detected, to the first timing. When no positioning signal can be detected, a timing protector generates a pseudo timing signal based on a previously detected timing stored in the timing memory and also for combining the pseudo timing signal with the reproduction timing signal to provide a protection timing signal. A tracking control section performs tracking control in reference to a level determined by the pilot signals sampled by the sample timing signal. The apparatus can perform insert-recording by determining the timing therefor based on the reproduction timing signal.

摘要翻译： 一种适合用于在磁带介质上的多个轨道上记录或再现信息的磁带介质记录和/或再现装置。 每个轨道具有沿着与扫描方向一致的方向限定在其中的第一和第二区域。 每个第一区域具有记录在其中的定位信号，而跟踪导频信号被记录在所选择的第一区域中。 该装置包括用于检测定位信号以提供再现位置信号的定位信号检测器，以及用于在由再现位置信号确定的第一定时产生再现定时信号的再现定时发生器。 提供了一种定时存储器，用于存储从检测到气缸的旋转基准位置的定时到第一定时的时间长度。 当不能检测到定位信号时，定时保护器基于存储在定时存储器中的先前检测到的定时产生伪定时信号，并且还将伪定时信号与再现定时信号组合以提供保护定时信号。 跟踪控制部分参考由采样定时信号采样的导频信号确定的电平进行跟踪控制。 该装置可以通过基于再现定时信号确定其定时来执行插入记录。