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    • 6. 发明授权
    • Method and apparatus for detecting probe position error in a data storage system and method and apparatus for tracking data
    • 用于检测数据存储系统中的探针位置误差的方法和装置以及用于跟踪数据的方法和装置
    • US07693028B2
    • 2010-04-06
    • US11143478
    • 2005-06-03
    • Dong-ki MinSeung-bum Hong
    • Dong-ki MinSeung-bum Hong
    • G11B7/00G11B9/00
    • G11B9/1454B82Y10/00
    • An apparatus for detecting a probe position error includes a position error extracting unit extracting probe position errors from signals detected by a probe; a position error adding unit calculating the probe position errors in units of a predetermined time; and a signal processing unit storing a past probe position error calculated by the position error extracting unit and generating a probe position error by processing the past probe position error and a current probe position error. An apparatus for tracking data includes a scanner moving a data storage medium; a probe detecting the signals from a data storage medium; an error detector detecting probe position errors in a half-period of an error extracting signal by applying the error extracting signal used to extract the probe position errors to the signal detected by the probe; and a compensator compensating for the probe position errors detected by the error detector.
    • 用于检测探头位置误差的装置包括位置误差提取单元,从由探针检测的信号中提取探针位置误差; 位置误差添加单元,以预定时间为单位计算探测位置误差; 以及信号处理单元,存储由位置误差提取单元计算出的过去的探针位置误差,并通过处理过去的探针位置误差和当前探针位置误差来产生探针位置误差。 一种用于跟踪数据的装置包括扫描仪移动数据存储介质; 检测来自数据存储介质的信号的探针; 误差检测器通过将用于提取探针位置误差的误差提取信号应用于由探针检测的信号,检测误差提取信号的半周期中的探测器位置误差; 以及补偿器,用于补偿由误差检测器检测到的探头位置误差。
    • 8. 发明申请
    • BIT PATTERNED MEDIUM HAVING SUPER-TRACK, METHOD OF TRACKING TRACK OF BIT PATTERNED MEDIUM, HEAD APPROPRIATE FOR BIT PATTERNED MEDIUM, AND INFORMATION RECORDING/REPRODUCING APPARATUS INCLUDING BIT PATTERNED MEDIUM HEAD
    • 具有超级轨迹的位图形图案,跟踪图形轨迹的方法,适用于位图的中等尺寸的信息记录/再现装置,包括位图形图
    • US20090103204A1
    • 2009-04-23
    • US12111217
    • 2008-04-29
    • Dong-ki MINSeung-bum Hong
    • Dong-ki MINSeung-bum Hong
    • G11B5/596G11B5/82G11B5/127
    • G11B5/59688B82Y10/00G11B5/743G11B5/82
    • Provided are a bit patterned medium having a super-track, a method of tracking a track of the bit patterned medium, a head appropriate for the bit patterned medium, and an information recording/reproducing apparatus including the bit patterned medium and the head. The bit patterned medium includes a substrate, and a recording layer comprised of a plurality of bit cells which are formed on the substrate by being separated from each other, along a plurality of tracks. Each of the plurality of tracks includes a super-track comprised of a plurality of sub-tracks. Bit cells formed on a sub-track from among the plurality of sub-tracks in the super-track are disposed so as to deviate from bit cells formed on another sub-track from among the plurality of sub-tracks in the super-track. A track ID (identification) for recognizing the super-track, and a servo burst generating a position error signal when a head tracks the super-track, are arranged in an area of each of the plurality of tracks. Meanwhile, the head includes a writing head recording information in units of sub-tracks, and a reading sensor reproducing the information in units of super-tracks.
    • 提供了具有超轨迹的位图形介质,跟踪位图形介质的轨迹的方法,适用于位图形介质的头,以及包括位图形介质和头的信息记录/再现设备。 位图案化介质包括衬底,以及由多个位单元构成的记录层,它们通过沿着多个轨道彼此分离而形成在衬底上。 多个轨道中的每一个包括由多个子轨道组成的超轨道。 在超轨道中的多个子轨道中的子轨道上形成的比特单元被布置成偏离在超轨道中的多个子轨道中形成在另一个子轨道上的比特单元。 用于识别超轨道的轨道ID(识别)以及当磁头跟踪超轨迹时产生位置误差信号的伺服脉冲串被布置在多个磁道中的每一个的区域中。 同时,头包括以子轨为单位记录信息的写入头,以及以超轨为单位再现信息的读取传感器。
    • 9. 发明申请
    • METHOD AND APPARATUS FOR CALIBRATING POSITION OF IMAGE SENSOR, AND METHOD OF DETECTING POSITION OF IMAGE SENSOR
    • 用于校准图像传感器位置的方法和装置,以及检测图像传感器位置的方法
    • US20080109182A1
    • 2008-05-08
    • US11828516
    • 2007-07-26
    • Dong-ki MinSung-hoon ChoaSeung-bum Hong
    • Dong-ki MinSung-hoon ChoaSeung-bum Hong
    • G01C25/00
    • H04N5/349
    • A method and apparatus for calibrating a position of an image sensor, and a method of detecting the position of an image sensor are provided. The method of calibrating the position of an image sensor includes: obtaining first image information corresponding to a first position of the image sensor and obtaining second image information corresponding to a second position of the image sensor, calculating cross-correlation values between the obtained first image information and second image information; determining whether or not the calculated cross-correlation values are symmetrical; setting a driving power value of the image sensor for moving the image sensor the distance between the first position to the second position as a reference driving power value for moving the image sensor one-pixel distance, if it is determined that the cross-correlation values are not symmetrical; and calibrating the position of the image sensor by using the set driving power value.
    • 提供了用于校准图像传感器的位置的方法和装置以及检测图像传感器的位置的方法。 校准图像传感器的位置的方法包括:获得与图像传感器的第一位置相对应的第一图像信息,并获得与图像传感器的第二位置对应的第二图像信息,计算所获得的第一图像之间的互相关值 信息和第二图像信息; 确定所计算的互相关值是否对称; 设置图像传感器的驱动功率值,用于将图像传感器的距离移动到第一位置与第二位置之间,作为用于使图像传感器移动一像素距离的基准驱动功率值,如果确定互相关值 不对称 并使用设定的驱动功率值来校准图像传感器的位置。
    • 10. 发明授权
    • XY stage module, storage system employing the same and method for fabricating the XY stage module
    • XY平台模块,采用该模块的存储系统以及用于制造XY平台模块的方法
    • US07316072B2
    • 2008-01-08
    • US11546240
    • 2006-10-12
    • Hong-sik ParkJu-hwan JungSeung-bum HongDong-ki Min
    • Hong-sik ParkJu-hwan JungSeung-bum HongDong-ki Min
    • G01B5/004
    • G11B9/1454B82Y10/00
    • An XY stage module, a storage system including the same and a method for facating the XY stage module are provided. The XY stage module includes: a base; an XY stage horizontally moving above the base in a first direction and a second direction that is orthogonal to the first direction; a supporting unit disposed at the base for elastically supporting the XY stage; a stiffener for preventing the XY stage from being rotated; and a position sensor having a movable comb-shaped structure disposed at one side of the stiffener and having at least one movable comb and a fixed comb-shaped structure fixed on the base and having at least one fixed comb meshed with the movable comb to be separated at a predetermined gap for measuring a movement of the XY stage in the first direction and the second direction.
    • 提供了一种XY平台模块,包括该XY平台模块的存储系统和用于使XY平台模块的平面化的方法。 XY台模块包括:基座; XY台在第一方向上在基座上方水平移动,第二方向与第一方向正交; 设置在所述基座上用于弹性地支撑所述XY平台的支撑单元; 用于防止XY平台旋转的加强件; 以及位置传感器,其具有设置在所述加强件的一侧的可移动梳状结构,并且具有固定在所述基座上的至少一个活动梳和固定梳状结构,并且具有与所述活动梳状物啮合的至少一个固定梳 在预定间隙处分离,以测量XY台在第一方向和第二方向上的运动。