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    • 71. 发明申请
    • METHOD FOR CONTROLLING OVERWRITING OF DATA BY TAPE RECORDING APPARATUS , PROGRAM FOR CONTROLLING OVERWRITING , AND TAPE RECORDING APPARATUS
    • 用于通过磁带记录装置控制数据的控制的方法,用于控制重写的程序和磁带记录装置
    • US20110222379A1
    • 2011-09-15
    • US13128875
    • 2009-09-28
    • Takashi Katagiri
    • Takashi Katagiri
    • G11B11/00
    • G11B20/18G11B15/04G11B20/10G11B2020/10898G11B2020/183G11B2220/90
    • A data-overwriting technique that facilitates determining whether data is new or old, when reading thereof. A tape recording apparatus includes: a receiving unit for receiving information on overwrite starting position and an overwrite request; a trying unit for trying to determine a beginning position of a data unit based on the information on an overwrite starting position, wherein the data unit is a unit of writing data recorded on a tape medium; an overwrite executing unit for executing overwriting from the determined overwrite starting position in response to a success of the determination by the trying unit; and a type judging unit for judging whether the data unit that is recorded at the overwrite starting position is a null data unit or not in response to a failure of the determination by the trying unit. The trying unit responds to judgment that the data unit is the null data unit by trying to determine a beginning of a data unit following the data unit as the overwrite starting position.
    • 一种有助于确定数据是新的还是旧的数据重写技术。 磁带记录装置包括:接收单元,用于接收关于重写起始位置和重写请求的信息; 尝试单元,用于基于关于覆盖开始位置的信息来尝试确定数据单元的开始位置,其中所述数据单元是记录在磁带介质上的数据的写入单元; 覆盖执行单元,用于响应于所述尝试单元的确定的成功,从所确定的覆盖开始位置执行覆盖; 以及类型判断单元,用于响应于所述尝试单元的确定失败,判断所述重写开始位置记录的数据单元是否为空数据单元。 尝试单元通过尝试确定数据单元之后的数据单元的开始作为覆盖开始位置来响应判断数据单元是空数据单元。
    • 72. 发明授权
    • Same Wrap backhitchless write method to encode data on a tape storage medium
    • 相同的包装无缝编写方法来对磁带存储介质上的数据进行编码
    • US07903363B2
    • 2011-03-08
    • US12134091
    • 2008-06-05
    • Hiroshi ItagakiJames Mitchell KarpTakashi KatagiriMotoko OeYutaka Ooishi
    • Hiroshi ItagakiJames Mitchell KarpTakashi KatagiriMotoko OeYutaka Ooishi
    • G11B15/18G11B15/44
    • G11B5/00813G11B5/584
    • A method to write information to a tape storage medium by disposing a tape storage medium in a tape drive apparatus comprising a write head. The method moves the tape storage medium in a first direction, writes data from a buffer to the tape storage medium, and thereby empties the buffer while the tape storage medium is moving in the first direction. The method determines, while the tape storage medium is moving in the first direction, whether to enable a backhitchless write wherein the tape storage medium is not stopped and moved in a second and opposition direction, prior to writing new data to the tape storage medium. By not stopping the movement of the tape storage medium, and by not moving the tape storage medium in a reverse direction to reposition the write head, the method eliminates the time overhead required to stop the tape and reposition the tape head. Applicants' method achieves this time efficiency without adverse impact to the nominal storage capacity of the tape information medium.
    • 一种通过将带存储介质配置在包括写入头的带驱动装置中来将信息写入磁带存储介质的方法。 该方法使磁带存储介质沿第一方向移动,将数据从缓冲器写入磁带存储介质,从而在磁带存储介质沿第一方向移动时清空缓冲器。 该方法在磁带存储介质在第一方向上移动时,确定在将新数据写入磁带存储介质之前是否启用磁带存储介质在第二和相对方向上不停止和移动的无间隙写入。 通过不停止磁带存储介质的移动,并且通过不使磁带存储介质沿相反方向移动以重新定位写入头,该方法消除了停止磁带所需的时间开销并重新定位磁带头。 申请人的方法实现了这种时间效率,而不会对磁带信息介质的标称存储容量产生不利影响。
    • 78. 发明授权
    • Overwrite control for data in a tape recording apparatus
    • 重写磁带记录装置中数据的控制
    • US08416663B2
    • 2013-04-09
    • US13128875
    • 2009-09-28
    • Takashi Katagiri
    • Takashi Katagiri
    • G11B11/00
    • G11B20/18G11B15/04G11B20/10G11B2020/10898G11B2020/183G11B2220/90
    • A data-overwriting technique that facilitates determining whether data is new or old, when reading thereof. A tape recording apparatus includes: a receiving unit for receiving information on overwrite starting position and an overwrite request; a trying unit for trying to determine a beginning position of a data unit based on the information on an overwrite starting position, wherein the data unit is a unit of writing data recorded on a tape medium; an overwrite executing unit for executing overwriting from the determined overwrite starting position in response to a success of the determination by the trying unit; and a type judging unit for judging whether the data unit that is recorded at the overwrite starting position is a null data unit or not in response to a failure of the determination by the trying unit. The trying unit responds to judgment that the data unit is the null data unit by trying to determine a beginning of a data unit following the data unit as the overwrite starting position.
    • 一种有助于确定数据是新的还是旧的数据重写技术。 磁带记录装置包括:接收单元,用于接收关于重写起始位置和重写请求的信息; 尝试单元,用于基于关于覆盖开始位置的信息来尝试确定数据单元的开始位置,其中所述数据单元是记录在磁带介质上的数据的写入单元; 覆盖执行单元,用于响应于所述尝试单元的确定的成功,从所确定的覆盖开始位置执行覆盖; 以及类型判断单元,用于响应于所述尝试单元的确定失败,判断所述重写开始位置记录的数据单元是否为空数据单元。 尝试单元通过尝试确定数据单元之后的数据单元的开始作为覆盖开始位置来响应判断数据单元是空数据单元。
    • 79. 发明授权
    • Terahertz wave generator
    • 太赫兹波发生器
    • US08405031B2
    • 2013-03-26
    • US12570791
    • 2009-09-30
    • Takashi Katagiri
    • Takashi Katagiri
    • G01T1/161
    • G02F1/025G02F1/05G02F2203/026G02F2203/13H01Q13/085
    • Provided is a terahertz wave generator that improves efficiency of generating a terahertz wave. The terahertz wave generator includes a generating layer for generating the terahertz wave, a waveguide layer for propagating excitation light entering the generating layer and a terahertz wave generated by the excitation light entering the generating layer, and a first confinement layer for confining in the waveguide layer the excitation light propagating in the waveguide layer and the terahertz wave propagating in the waveguide layer. The generating layer, the waveguide layer, and the first confinement layer are laminated in the stated order.
    • 提供了一种太赫兹波发生器,其提高了产生太赫兹波的效率。 太赫波发生器包括用于产生太赫兹波的发生层,用于传播进入发生层的激发光的波导层和由入射到发生层的激发光产生的太赫波;以及第一限制层,用于限制波导层 在波导层中传播的激发光和在波导层中传播的太赫波。 产生层,波导层和第一限制层按照所述顺序层压。