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1. 发明授权

US07924522B2 Apparatus and method of detecting error symbol, and disk drive apparatus using the same 失效
标题翻译：检测误差符号的装置和方法，以及使用其的磁盘驱动装置
公开(公告)号：US07924522B2
公开(公告)日：2011-04-12
申请号：US11751843
申请日：2007-05-22
申请人： Joo-hyun Lee , Jong-yun Yun , Jae-jin Lee
发明人： Joo-hyun Lee , Jong-yun Yun , Jae-jin Lee
IPC分类号： G11B5/09
CPC分类号： H04L25/03006 , G11B20/10009 , G11B20/10046 , G11B20/10425
摘要： An apparatus and a method of detecting an error symbol in a data storage apparatus so that an error correcting performance of an error correction decoder. The error symbol detecting apparatus includes an equalizer equalizing a signal transmitted to a channel using a channel equalization characteristic that is suitable for a corresponding system, a data detector to detect data from the signal output from the equalizer, a modeling tool designed to have the same characteristics corresponding to a partial response (PR) target polynomial applied to the system, a correlation evaluation information generating unit to generate correlation evaluation information based on a correlation degree between an actual output of the equalizer and a target output of the modeling tool, and an error symbol determination unit to determine an order of probability of error generation of the symbols based on the correlation evaluation information, and to determine a predetermined number of symbols having a high probability of generating errors corresponding to the order of probability of error generation as error generating symbols.
摘要翻译：一种检测数据存储装置中的错误符号以便纠错解码器的纠错性能的装置和方法。误差符号检测装置包括均衡器，其使用适合于对应系统的信道均衡特性来均衡发送到信道的信号;数据检测器，用于从均衡器输出的信号中检测数据;建模工具，被设计为具有相同的对应于应用于系统的部分响应（PR）目标多项式的特征的相关性评估信息生成单元，基于均衡器的实际输出与建模工具的目标输出之间的相关度生成相关性评价信息，以及误差符号确定单元，用于基于所述相关性评估信息来确定符号的错误产生概率的顺序，并且确定具有高概率地产生与所述错误产生的概率的顺序相对应的错误的预定数量的符号作为错误产生符号。

2. 发明授权

US07636216B2 Method of determining head characteristic of HDD and recording medium to perform the same 失效
标题翻译：确定HDD和记录介质的头特性的方法
公开(公告)号：US07636216B2
公开(公告)日：2009-12-22
申请号：US11769955
申请日：2007-06-28
申请人： Jong-yun Yun , Joo-hyun Lee
发明人： Jong-yun Yun , Joo-hyun Lee
IPC分类号： G11B5/09
CPC分类号： G11B5/40 , G11B5/3136
摘要： A method of determining a head characteristic, i.e. determining whether a head has a write characteristic stronger or weaker than that of a normal write head, and a recording medium suitable to perform the method. The method includes detecting a first error rate by writing data and then reading the written data without control pole tip protrusion (PTP) contralto compensate for thermal pole tip protrusion (TPTP) in a state where the head is fully cooled, detecting a second error rate by writing data and then reading the written data with the PTP control in the state where the head is fully cooled, calculating a difference between the first error rate and the second error rate, and determining based on the calculated error rate difference whether the head is a strong write head having a stronger write characteristic than that of the normal write head or a weak write head having a weaker write characteristic than that of the normal write head. Accordingly, since an adjacent track write (ATW) problem, which may occur due to a narrow gap between adjacent tracks, and a weak write problem, which may occur due to a short media recording length per data bit, can be simultaneously considered, high reliability can be secured in terms of recording and reproducing in an HDD.
摘要翻译：确定头特性的方法，即确定头是否具有比正常写头的写入特性更强或更弱的写入特性，以及适于执行该方法的记录介质。该方法包括通过写入数据来检测第一错误率，然后在头部被完全冷却的状态下对控制极尖突起（PTP）进行补偿以读取热极尖突起（TPTP），检测第二错误率通过写入数据，然后在头完全冷却的状态下用PTP控制读取写入的数据，计算第一错误率和第二错误率之间的差，并且基于计算出的差错率来确定头是否是具有比正常写入头更强的写入特性的强写入头或具有比正常写入头的写入特性更弱的弱写入头。因此，由于可能由于每个数据比特的短的媒体记录长度而可能发生的相邻轨道之间的窄间隙可能发生的相邻轨道写入（ATW）问题和弱写入问题，因此可以同时考虑高可以确保在HDD中的记录和再现方面的可靠性。

3. 发明申请

US20070274419A1 APPARATUS AND METHOD OF DETECTING ERROR SYMBOL, AND DISK DRIVE APPARATUS USING THE SAME 失效
标题翻译：检测错误符号的装置和方法以及使用其的盘驱动装置
公开(公告)号：US20070274419A1
公开(公告)日：2007-11-29
申请号：US11751843
申请日：2007-05-22
申请人： Joo-Hyun Lee , Jong-yun Yun , Jae-jin Lee
发明人： Joo-Hyun Lee , Jong-yun Yun , Jae-jin Lee
IPC分类号： H04L27/06
CPC分类号： H04L25/03006 , G11B20/10009 , G11B20/10046 , G11B20/10425
摘要： An apparatus and a method of detecting an error symbol in a data storage apparatus so that an error correcting performance of an error correction decoder. The error symbol detecting apparatus includes an equalizer equalizing a signal transmitted to a channel using a channel equalization characteristic that is suitable for a corresponding system, a data detector to detect data from the signal output from the equalizer, a modeling tool designed to have the same characteristics corresponding to a partial response (PR) target polynomial applied to the system, a correlation evaluation information generating unit to generate correlation evaluation information based on a correlation degree between an actual output of the equalizer and a target output of the modeling tool, and an error symbol determination unit to determine an order of probability of error generation of the symbols based on the correlation evaluation information, and to determine a predetermined number of symbols having a high probability of generating errors corresponding to the order of probability of error generation as error generating symbols.
摘要翻译：一种检测数据存储装置中的错误符号以便纠错解码器的纠错性能的装置和方法。误差符号检测装置包括均衡器，其使用适合于对应系统的信道均衡特性来均衡发送到信道的信号;数据检测器，用于从均衡器输出的信号中检测数据;建模工具，被设计为具有相同的对应于应用于系统的部分响应（PR）目标多项式的特征的相关性评估信息生成单元，基于均衡器的实际输出与建模工具的目标输出之间的相关度生成相关性评价信息，以及误差符号确定单元，用于基于所述相关性评估信息来确定符号的错误产生概率的顺序，并且确定具有高概率地产生与所述错误产生的概率的顺序相对应的错误的预定数量的符号作为错误产生符号。

4. 发明授权

US07133231B2 Method and apparatus for recording data on hard disk drive, and storage medium therefor 有权
标题翻译：用于在硬盘驱动器上记录数据的方法和装置及其存储介质
公开(公告)号：US07133231B2
公开(公告)日：2006-11-07
申请号：US11063558
申请日：2005-02-24
申请人： Jong-yun Yun , Sun-hee Lee
发明人： Jong-yun Yun , Sun-hee Lee
IPC分类号： G11B15/04
CPC分类号： G06F3/0656 , G06F3/0614 , G06F3/0638 , G06F3/0676 , G11B5/012
摘要： A method of and an apparatus for recording data on a hard disk drive, and a storage medium containing a program for executing the method. Data is recorded on a track in a recording region and an address of a next track to be recorded with the data is determined so that the next track to be recorded with the data is located more than one track away from the previously recorded track so that the recorded data has robustness to adjacent track erasure and overwrite erasure.
摘要翻译：一种用于在硬盘驱动器上记录数据的方法和装置，以及包含用于执行该方法的程序的存储介质。数据被记录在记录区域中的轨道上，并且确定要与数据一起记录的下一个轨道的地址，使得要与数据记录的下一个轨道位于离先前记录的轨道多于一个轨道，使得记录的数据具有对相邻轨道擦除和覆盖擦除的鲁棒性。

5. 发明申请

US20060158770A1 HDD data read control apparatus, medium, and method 失效
公开(公告)号：US20060158770A1
公开(公告)日：2006-07-20
申请号：US11333326
申请日：2006-01-18
申请人： Jong-yun Yun , Sang-hoon Chu
发明人： Jong-yun Yun , Sang-hoon Chu
IPC分类号： G11B5/596
CPC分类号： G11B5/5556 , G11B5/59627
摘要： A hard disc drive (HDD) data read control apparatus, medium, and method reading data from a disc having non-uniform track-to-track spacing. The data read control method of the HDD, in which data is read from a disc including non-uniform track-to-track spacing, includes seeking a target track by adopting an off track amount applied to a previously followed track, and reading the data while following the sought target track. Accordingly, production yield can be increased by making failure processing unnecessary even if a track-to-track spacing of a HDD is non-uniform.

6. 发明申请

US20050188153A1 Method and apparatus for recording data on hard disk drive, and storage medium therefor 有权
标题翻译：用于在硬盘驱动器上记录数据的方法和装置及其存储介质
公开(公告)号：US20050188153A1
公开(公告)日：2005-08-25
申请号：US11063558
申请日：2005-02-24
申请人： Jong-yun Yun , Sun-hee Lee
发明人： Jong-yun Yun , Sun-hee Lee
IPC分类号： G11B5/02 , G06F3/06 , G06F12/00 , G11B5/012
CPC分类号： G06F3/0656 , G06F3/0614 , G06F3/0638 , G06F3/0676 , G11B5/012
摘要： A method of and an apparatus for recording data on a hard disk drive, and a storage medium containing a program for executing the method. Data is recorded on a track in a recording region and an address of a next track to be recorded with the data is determined so that the next track to be recorded with the data is located more than one track away from the previously recorded track so that the recorded data has robustness to adjacent track erasure and overwrite erasure.
摘要翻译：一种用于在硬盘驱动器上记录数据的方法和装置，以及包含用于执行该方法的程序的存储介质。数据被记录在记录区域中的轨道上，并且确定要与数据一起记录的下一个轨道的地址，使得要与数据记录的下一个轨道位于离先前记录的轨道多于一个轨道，使得记录的数据具有对相邻轨道擦除和覆盖擦除的鲁棒性。

7. 发明申请

US20060072229A1 Disk drive, medium and method of compensating for a write parameter 失效
公开(公告)号：US20060072229A1
公开(公告)日：2006-04-06
申请号：US11241967
申请日：2005-10-04
申请人： Jong-yun Yun , Joo-won Cho
发明人： Jong-yun Yun , Joo-won Cho
IPC分类号： G11B27/36 , G11B5/09
CPC分类号： G11B20/18 , G11B5/09 , G11B2005/001
摘要： A disk drive, medium, and method controlling a write parameter of a disk drive are provided. The method of compensating for a write parameter, in order to control a write operation of a disk drive, can includes measuring a bit error rate in an optimum write condition and a bit error rate in a weak write condition for a head, and calculating a compensation value for a write parameter corresponding to a difference between the bit error rates in an optimum write condition and the bit error rate in the weak write condition. In a method, according to embodiments of the present invention, a compensation value alpha for compensating a write parameter for a predetermined period of time after the start of a write operation can be generated to prevent a weak write phenomenon at the beginning of the write operation.

8. 发明授权

US07593180B2 HDD data read control apparatus, medium, and method 失效
标题翻译： HDD数据读取控制装置，介质和方法
公开(公告)号：US07593180B2
公开(公告)日：2009-09-22
申请号：US11333326
申请日：2006-01-18
申请人： Jong-yun Yun , Sang-hoon Chu
发明人： Jong-yun Yun , Sang-hoon Chu
IPC分类号： G11B5/596
CPC分类号： G11B5/5556 , G11B5/59627
摘要： A hard disc drive (HDD) data read control apparatus, medium, and method reading data from a disc having non-uniform track-to-track spacing. The data read control method of the HDD, in which data is read from a disc including non-uniform track-to-track spacing, includes seeking a target track by adopting an off track amount applied to a previously followed track, and reading the data while following the sought target track. Accordingly, production yield can be increased by making failure processing unnecessary even if a track-to-track spacing of a HDD is non-uniform.
摘要翻译：硬盘驱动器（HDD）数据读取控制装置，介质和方法，从具有不均匀轨迹到轨道间隔的盘读取数据。从包括不均匀轨迹到轨道的盘的数据读取数据的HDD的数据读取控制方法包括通过采用应用于先前跟踪的轨道的一个额外的量来寻找目标轨道，并且读取数据同时追踪目标轨迹。因此，即使HDD的轨道到轨道间隔不均匀，也可以通过使故障处理不必要地增加生产率。

9. 发明授权

US07489461B2 Disk drive, medium and method of compensating for a write parameter 失效
标题翻译：磁盘驱动器，介质和补偿写入参数的方法
公开(公告)号：US07489461B2
公开(公告)日：2009-02-10
申请号：US11241967
申请日：2005-10-04
申请人： Jong-yun Yun , Joo-won Cho
发明人： Jong-yun Yun , Joo-won Cho
IPC分类号： G11B27/36 , G11B5/09 , G11B20/10
CPC分类号： G11B20/18 , G11B5/09 , G11B2005/001
摘要： A disk drive, medium, and method controlling a write parameter of a disk drive are provided. The method of compensating for a write parameter, in order to control a write operation of a disk drive, can includes measuring a bit error rate in an optimum write condition and a bit error rate in a weak write condition for a head, and calculating a compensation value for a write parameter corresponding to a difference between the bit error rates in an optimum write condition and the bit error rate in the weak write condition. In a method, according to embodiments of the present invention, a compensation value alpha for compensating a write parameter for a predetermined period of time after the start of a write operation can be generated to prevent a weak write phenomenon at the beginning of the write operation.
摘要翻译：提供了一种控制磁盘驱动器的写入参数的磁盘驱动器，介质和方法。为了控制磁盘驱动器的写入操作，补偿写入参数的方法可以包括在头部的弱写入条件下测量最佳写入条件中的误码率和误写入速率，并且计算对应于最佳写入条件下的误码率与弱写入条件下的误码率之差的写入参数的补偿值。在一种方法中，根据本发明的实施例，可以产生用于在写入操作开始之后的预定时间段内补偿写入参数的补偿值α，以防止在写入操作开始时的弱写入现象。

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