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公开(公告)号：EP0587320B1
公开(公告)日：1997-06-04
申请号：EP93306452.9
申请日：1993-08-16
IPC分类号： G11B15/18 , G11B15/467
CPC分类号： G11B15/4678 , G11B15/1808
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公开(公告)号：EP0638897A3
公开(公告)日：1996-12-27
申请号：EP94305792.7
申请日：1994-08-04
IPC分类号： G11B15/467
CPC分类号： G11B15/463 , G11B5/588 , G11B15/4672 , G11B15/4678 , G11B15/4738
摘要： A tracking error detecting circuit is used in a magnetic reproducing apparatus for reproducing an information signal from tracks (2a,2b,2c) which are formed on a magnetic tape (8) obliquely in a longitudinal direction of the magnetic tape. The tracks have selectively recorded thereon a pilot signal (F 1 ,F 2 ) multiplexed with the information signal. The tracking error detecting circuit comprises: a rotating magnetic head (1) scanning the tracks for reproducing the information signal on which the pilot signal is selectively multiplexed to obtain a reproduced signal; a comparator (12) 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 (3a,4a,3b,4b) for detecting a level of the pilot signal contained in the reproduced signal from an output of the comparator.
摘要翻译： 在磁回放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再现信息信号。 轨道上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端检测包含在再现信号中的导频信号的电平。
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3.发明公开A tape medium recording and/or reproducing apparatus 失效Band-Aufzeichnungs- und / oder-Wiedergabegerät。
公开(公告)号：EP0580306A3
公开(公告)日：1995-01-04
申请号：EP93305185.6
申请日：1993-07-01
发明人： Sakakibara, Yoshio , Gotou, Makoto , Isaka, Haruo
IPC分类号： G11B15/473 , G11B27/036 , G11B15/467
CPC分类号： G11B15/4738 , G11B15/04 , G11B15/602 , G11B27/032 , G11B27/036 , G11B27/3027 , G11B2220/90
摘要： A tape medium recording and/or reproducing apparatus for use in recording or reproducing information on or from a plurality of tracks (34a, 34b, 34c) on a tape medium in which each track (34a, 34b, 34c) has first and second regions (31, 32, 33) defined therein in a direction conforming to the direction of scan and each first region (31) has a positioning signal recorded in it and selected ones also have a tracking pilot signal recorded in it. The apparatus includes a positioning signal detector (7) for detecting the positioning signal to provide a reproducing position signal (104), and a reproduction timing generator (8) for generating a reproduction timing signal (105) at a first timing determined by the reproducing position signal (104) . A timing memory (9) is provided to store the length of time from the timing, at which the rotational reference position of a cylinder (2) has been detected, to the first timing. When no positioning signal can be detected, a timing protector (10) generates a pseudo timing signal (115) based on a previously detected timing stored in the timing memory (9) and also for combining the pseudo timing signal (115) with the reproduction timing signal (105) to provide a protection timing signal (107). A tracking control section (21) performs tracking control in reference to a level determined by the pilot signals sampled by the sample timing signal (108) . The apparatus can perform insert recording by determining the timing therefor based on the reproduction timing signal (105).
摘要翻译： 一种磁带介质记录和/或再现装置，用于在磁带介质上的多个轨道（34a，34b，34c）上记录或再现信息，其中每个轨道（34a，34b，34c）具有第一和第二区域 （31,32,33），其沿着与扫描方向一致的方向限定，并且每个第一区域（31）具有记录在其中的定位信号，并且所选定的信号也具有记录在其中的跟踪导频信号。 该装置包括用于检测定位信号以提供再现位置信号（104）的定位信号检测器（7）和用于在由再现确定的第一定时产生再现定时信号（105）的再现定时发生器（8） 位置信号（104）。 提供定时存储器（9），用于存储从检测到气缸（2）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（10）基于存储在定时存储器（9）中的先前检测到的定时产生伪定时信号（115），并且还将伪定时信号（115）与再现 定时信号（105）以提供保护定时信号（107）。 跟踪控制部分（21）根据由采样定时信号（108）采样的导频信号确定的电平进行跟踪控制。 该装置可以基于再现定时信号（105）确定其定时来执行插入记录。
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公开(公告)号：EP0524007A3
公开(公告)日：1994-04-27
申请号：EP92306556.9
申请日：1992-07-17
发明人： Nakamura, Akihiko , Isaka, Haruo , Gotou, Makoto
CPC分类号： G11B27/3027 , G11B27/032 , G11B27/036 , G11B27/107 , G11B27/3036 , G11B2220/216 , G11B2220/90 , H04N5/9206
摘要： A magnetic recording and reproducing apparatus records video signals divided in plural segments in every specific group, and index signals accompanying the video signals in different areas on a magnetic having oblique tracks, records the time code of at least the video signal as the index signal, and records the same time code in the index areas of continuous plural tracks. The index area for recording the time code is divided into a plurality of small areas in one track, and the same time code is recorded in each small region. The leader code is recorded in the index area for recording at least the time code.
摘要翻译： 磁记录和再现设备记录在每个特定组中划分成多个段的视频信号，并且在具有倾斜轨道的磁体上的不同区域中伴随视频信号的索引信号，将至少视频信号的时间码记录为索引信号， 并将相同的时间码记录在连续多个轨道的索引区域中。 用于记录时间码的索引区域在一个轨道中被分成多个小区域，并且在每个小区域中记录相同的时间码。 领导代码被记录在索引区域中以记录至少时间代码。
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5.发明公开
公开(公告)号：EP0579411A2
公开(公告)日：1994-01-19
申请号：EP93305089.0
申请日：1993-06-29
发明人： Ichikawa, Kei , Gotou, Makoto , Isaka, Haruo , Sakakibara, Yoshio
IPC分类号： G11B27/036 , G11B15/467 , G11B27/30 , G11B15/18 , G11B15/087
CPC分类号： G11B15/4678 , G11B15/1875 , G11B27/032 , G11B27/036 , G11B27/3027 , G11B2220/216 , G11B2220/90
摘要： An editing apparatus is for use with a tape- form recording medium in which a tracking pilot signal and several synchronizing blocks each of which contains a synchronizing signal, a synchronizing signal number and a recording mode data are multiplex-recorded into a first recording area of each track which has a plurality of recording areas. Using the synchronizing signal and the synchronizing signal number, a pilot sampling signal for determining the timing of sampling the pilot signal and an editing timing signal for determining the recording location in a desired recording area following the first recording area are produced. Using the recording mode data, the discrimination of the current recording mode is carried out. After the tracking control is executed through sampling the tracking pilot signals from adjacent tracks at timing of the pilot sampling signal, a data signal is recorded into the desired recording area after the first recording area according to the editing timing signal.
摘要翻译： 一种编辑装置用于带式记录介质，其中跟踪导频信号和包含同步信号，同步信号和记录模式数据的多个同步块被多路复用记录在第一记录区 每个轨道具有多个记录区域。 使用同步信号和同步信号编号，产生用于确定导频信号的采样定时的导频采样信号和用于确定在第一记录区之后的期望记录区中的记录位置的编辑定时信号。 使用记录模式数据，执行当前记录模式的区分。 在通过在导频采样信号的定时对来自相邻磁道的跟踪导频信号进行跟踪控制来执行跟踪控制之后，根据编辑定时信号将数据信号记录在第一记录区域之后的所需记录区域中。
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6.发明公开
公开(公告)号：EP0508779A2
公开(公告)日：1992-10-14
申请号：EP92303165.2
申请日：1992-04-09
发明人： Ichikawa, Kei , Isaka, Haruo , Sakakibara, Yoshio , Gotou, Makoto
IPC分类号： G11B27/024 , G11B27/30 , G11B27/036 , G11B15/467
CPC分类号： G11B15/4677 , G11B15/4678 , G11B27/032 , G11B27/036 , G11B27/10 , G11B27/13 , G11B27/3009 , G11B2220/216 , G11B2220/90 , G11B2220/913
摘要： An editing apparatus for use with a tape-form recording medium is provided in which according to a positioning signal and a tracking pilot signal multiplex-recorded into the first recording area of each track of the recording medium which consists of a plurality of recording areas separated from each other by gaps, a pilot sampling signal for determining the timing of sampling and an editing timing signal for determining the recording location in a desired recording area following the first recording area are produced. After the tracking control is executed through sampling the tracking pilot signals from adjacent tracks at timing of the pilot sampling signal, a data signal is recorded into the desired recording area after the first recording area according to the editing timing signal.
摘要翻译： 提供一种与带式记录介质一起使用的编辑装置，其中根据定位信号和多路复用记录在记录介质的每个磁迹的第一记录区域中的跟踪导频信号，该记录介质由分离的多个记录区域组成 产生用于确定采样定时的导频采样信号和用于确定在第一记录区之后的期望记录区域中的记录位置的编辑定时信号。 在通过在导频采样信号的定时对来自相邻磁道的跟踪导频信号进行跟踪控制来执行跟踪控制之后，根据编辑定时信号将数据信号记录在第一记录区域之后的所需记录区域中。
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公开(公告)号：EP0508779B1
公开(公告)日：1997-06-18
申请号：EP92303165.2
申请日：1992-04-09
发明人： Ichikawa, Kei , Isaka, Haruo , Sakakibara, Yoshio , Gotou, Makoto
IPC分类号： G11B27/024 , G11B27/30 , G11B27/036 , G11B15/467
CPC分类号： G11B15/4677 , G11B15/4678 , G11B27/032 , G11B27/036 , G11B27/10 , G11B27/13 , G11B27/3009 , G11B2220/216 , G11B2220/90 , G11B2220/913
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公开(公告)号：EP0638897A2
公开(公告)日：1995-02-15
申请号：EP94305792.7
申请日：1994-08-04
IPC分类号： G11B15/467
CPC分类号： G11B15/463 , G11B5/588 , G11B15/4672 , G11B15/4678 , G11B15/4738
摘要： A tracking error detecting circuit is used in a magnetic reproducing apparatus for reproducing an information signal from tracks (2a,2b,2c) which are formed on a magnetic tape (8) obliquely in a longitudinal direction of the magnetic tape. The tracks have selectively recorded thereon a pilot signal (F 1 ,F 2 ) multiplexed with the information signal. The tracking error detecting circuit comprises: a rotating magnetic head (1) scanning the tracks for reproducing the information signal on which the pilot signal is selectively multiplexed to obtain a reproduced signal; a comparator (12) 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 (3a,4a,3b,4b) for detecting a level of the pilot signal contained in the reproduced signal from an output of the comparator.
摘要翻译： 一种跟踪误差检测电路被用于磁再现设备中，用于从磁带（8）上沿着磁带的纵向方向倾斜地再现来自磁道（2a，2b，2c）的信息信号。 轨道选择性地在其上记录与信息信号复用的导频信号（F1，F2）。 该跟踪误差检测电路包括：旋转磁头（1），扫描轨道以再现其上选择性地多路复用导频信号的信息信号，以获得再现信号; 比较器（12），用于将再现信号的电平与指定电平进行比较，并发出表示比较结果的二进制信号; 和一个电平检测电路（3a，4a，3b，4b），用于检测包含在来自比较器输出的再现信号中的导频信号的电平。
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公开(公告)号：EP0587320A3
公开(公告)日：1995-02-15
申请号：EP93306452.9
申请日：1993-08-16
IPC分类号： G11B15/18 , G11B15/467
CPC分类号： G11B15/4678 , G11B15/1808
摘要： A signal reproducing apparatus for reproducing data from a tape in which data and a pilot signal for tracking are recorded in oblique tracks comprises a tape driver for running the tape in the longitudinal direction, a rotary head for rotating and scanning on the tape to produce reproduction signals, a reference generator (4) for generating a reference signal which is the rotation standard of the rotary head, a tracking error detector (5) for producing a tracking error signal from the pilot signal contained in the reproduction signals, and a timing controller (6) for controlling the start timing of tape running of the tape driving means to the reference signal, on the basis of the tracking error signal and reference signal in the stopped state of tape running.
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10.发明公开Tracking error detecting circuit of magnetic recording and reproducing apparatus 失效检测磁记录和重现装置的检测电路错误
公开(公告)号：EP0499238A3
公开(公告)日：1993-01-13
申请号：EP92102345.3
申请日：1992-02-12
发明人： Shimotashiro, Masafumi , Hashimoto, Kiyokazu , Gotou, Makoto , Isaka, Haruo , Ichikawa, Kei , Honjo, Kenichi , Takeuchi, Akihiro , Sakakibara, Yoshio
IPC分类号： G11B5/584
CPC分类号： G11B5/5922
摘要： A tracking error detecting circuit in which tracking error detecting pilot signals having different frequencies are added to a main signal every track and recorded onto a magnetic recording medium, and upon reproduction, reproduction output levels of the pilot signals reproduced as crosstalks from both of adjacent tracks are compared, and a tracking error is detected. n signals having the same frequencies as those of the pilot signals and whose phases are different are generated and multiplied to the reproduction signal. Unnecessary components are eliminated by n LPFs. The amplitude values of the reproduced pilot signals are vector separated and detected. Further, the vector separated amplitude values are vector synthesized and detected. Therefore, by multiplying the signals having the same frequencies as those of the pilot signals, the synchronous detection is performed. The influence due to the undetected pilot phases is solved by detecting by performing the vector separation and synthesis. Therefore, the amplitude values can be certainly detected by the synchronous detection. The S/N ratio of the reproduction pilot signals can be determined by the LPFs. Even in the case of a bad transmission S/N ratio of the reproduction pilot signals which could not be coped by the conventional construction, the amplitude values can be certainly detected.
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