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    Determining estimated position information of a magnetic recording tape using media thickness estimation
    4.
    发明授权
    Determining estimated position information of a magnetic recording tape using media thickness estimation 有权
    使用介质厚度估计确定磁记录带的估计位置信息

    公开(公告)号：US09484055B2

    公开(公告)日：2016-11-01

    申请号：US15130864

    申请日：2016-04-15

    申请人： International Business Machines Corporation

    发明人： Nhan X. Bui ,  Randy C. Inch ,  Eiji Ogura

    IPC分类号： G11B15/087 ,  G11B27/22

    CPC分类号： G11B15/087 ,  G11B15/20 ,  G11B15/32 ,  G11B27/13 ,  G11B27/22 ,  G11B27/3027 ,  G11B2220/93

    摘要： In one embodiment, a computer-implemented method includes acquiring, by the computer, position information from encoding on a magnetic medium, calculating, by the computer, an estimated position information of the magnetic medium using a media thickness value, comparing, by the computer, the estimated the estimated position information with the position information acquired from encoding, determining, by the computer, whether an error between the estimated position information and the acquired position information is within a specified range. In response to the determining that the error is within the specified range, the media thickness value is stored by the computer to a memory. In response to the determining that the error is outside the specified range, the media thickness value is changed by the computer to make the estimated position information fall within the specified range.

    摘要翻译： 在一个实施例中，计算机实现的方法包括由计算机获取来自磁介质上的编码的位置信息，由计算机利用介质厚度值计算磁介质的估计位置信息，通过计算机 估算出从编码取得的位置信息的估计位置信息，由计算机确定估计位置信息和获取位置信息之间的误差是否在指定范围内。 响应于确定错误在指定范围内，介质厚度值由计算机存储到存储器中。 响应于确定错误在指定范围之外，由计算机改变介质厚度值以使估计位置信息落在指定范围内。

    Determining estimated position information of a magnetic recording tape using media thickness estimation
    5.
    发明授权
    Determining estimated position information of a magnetic recording tape using media thickness estimation 有权
    使用介质厚度估计确定磁记录带的估计位置信息

    公开(公告)号：US09336816B1

    公开(公告)日：2016-05-10

    申请号：US14876706

    申请日：2015-10-06

    申请人： International Business Machines Corporation

    发明人： Nhan X. Bui ,  Randy C. Inch ,  Eiji Ogura

    IPC分类号： G11B15/087 ,  G11B27/22

    CPC分类号： G11B15/087 ,  G11B15/20 ,  G11B15/32 ,  G11B27/13 ,  G11B27/22 ,  G11B27/3027 ,  G11B2220/93

    摘要： In one embodiment, a method includes acquiring, by the computer, position information from encoding on a magnetic medium, causing, by the computer, a reel around which the magnetic medium is wrapped to rotate a number of rotations, calculating, by the computer, an estimated thickness of the magnetic medium based on the position information, the number of rotations, and a pack radius of the magnetic medium on the reel, and causing to be stored, by the computer, the estimated thickness. In another embodiment, an apparatus includes a controller and logic integrated with and/or executable by the controller, the logic being configured to cause the controller to perform the foregoing method.

    摘要翻译： 在一个实施例中，一种方法包括由计算机从磁性介质上获取来自编码的位置信息，由计算机使卷绕磁性介质的卷轴旋转多个旋转，由计算机计算， 基于位置信息，旋转数量和磁盘介质在卷轴上的包装半径，并由计算机存储估计厚度的磁介质的估计厚度。 在另一个实施例中，一种装置包括与控制器集成和/或可执行的控制器和逻辑，该逻辑被配置为使控制器执行上述方法。

    Signal processing apparatus and method, record medium, and program
    8.
    发明授权
    Signal processing apparatus and method, record medium, and program 失效
    信号处理装置和方法，记录介质和程序

    公开(公告)号：US07061705B2

    公开(公告)日：2006-06-13

    申请号：US10509202

    申请日：2003-03-13

    申请人： Takao Oosawa

    发明人： Takao Oosawa

    IPC分类号： G11B5/02

    CPC分类号： G11B27/11 ,  G11B27/13 ,  G11B2220/655 ,  G11B2220/90

    摘要： The present invention relates to a signal processing apparatus and method, a recording medium, and a program enabling accurate calculation of a remaining amount of a tape. In a cassette shell 1, a memory 13 for storing information indicative of a total length of a magnetic tape 11 is incorporated. A remaining-tape-amount calculation apparatus 22 calculates a length of the tape as an amount of being wound around a reel 12-1 and a reel 12-2 on an assumption of a thickness of the tape being constant, and, for example, corrects a calculated tape length of the tape being retained wound around the reel 12-1 using a ratio of the total length of the magnetic tape 11, read out from the memory, to a sum of the calculated tape length of the tape being retained wound around the reel 12-1 and the tape length of the tape being put on wound around the reel 12-2 to calculate a remaining amount of the magnetic tape 11, which is recordable or reproducible. Incidentally, it is possible to apply the present invention to a VTR.

    摘要翻译： 本发明涉及信号处理装置和方法，记录介质和能够精确计算磁带剩余量的程序。 在盒式磁带外壳1中，包括用于存储指示磁带11的总长度的信息的存储器13。 剩余磁带量计算装置22在假定磁带厚度恒定的情况下，计算作为卷绕在卷轴12-1和卷轴12-2上的卷的长度，并且例如， 使用从存储器读出的磁带11的总长度与所计算的保持卷绕带的长度的总和来校正卷绕在卷轴12-1上的带被保持的磁带的计算磁带长度 围绕卷轴12-1，并且将卷带的卷带长度缠绕在卷轴12-2上，以计算可记录或可再现的磁带11的剩余量。 顺便提及，可以将本发明应用于VTR。

    Recording and reproducing apparatus and method
    9.
    发明授权
    Recording and reproducing apparatus and method 有权
    记录和再现装置和方法

    公开(公告)号：US06906882B2

    公开(公告)日：2005-06-14

    申请号：US10133841

    申请日：2002-04-25

    申请人： Toshio Kuroiwa

    发明人： Toshio Kuroiwa

    IPC分类号： G11B27/10 ,  G11B27/13 ,  G11B27/28 ,  G11B15/18

    CPC分类号： G11B27/13 ,  G11B27/102 ,  G11B27/28 ,  G11B2220/20 ,  G11B2220/455 ,  G11B2220/90

    摘要： A signal is recorded on and reproduced from a first tape-like storage medium. At least one indexing signal is recorded on the first storage medium. Or, at least one indexing signal already recorded on the first storage medium is detected. The location of the indexing signal is determined as an indexing position. The signal that has been recorded on the first storage medium is recorded on a randomly accessible second storage medium from the indexing position for a specific period.

    摘要翻译： 信号被记录在第一带状存储介质上并从其再现。 至少一个索引信号被记录在第一存储介质上。 或者，检测到已经记录在第一存储介质上的至少一个索引信号。 索引信号的位置被确定为索引位置。 已经记录在第一存储介质上的信号被记录在随机可访问的第二存储介质上从索引位置一段特定的时间段。