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1. 发明授权

EP2050095B1 DIFFERENTIAL VOICE COIL MOTOR CONTROL 有权
标题翻译：差分音圈电机控制
公开(公告)号：EP2050095B1
公开(公告)日：2014-06-11
申请号：EP07760411.4
申请日：2007-04-10
申请人： Texas Instruments Incorporated
发明人： DEGANG, Xia
IPC分类号： G11B5/596 , G11B5/03 , G05B19/18 , G11B5/55 , H02P25/02
CPC分类号： G11B5/5526 , G11B5/59605 , H02P25/034

2. 发明公开

EP1652120A4 SYSTEMS AND METHODS FOR OPERATING AN ELECTROMAGNETIC ACTUATOR 审中-公开
标题翻译：系统及其操作方法的电磁驱动器
公开(公告)号：EP1652120A4
公开(公告)日：2009-12-09
申请号：EP04786459
申请日：2004-08-05
申请人： COMB DYNAMICS CORP
发明人： ISMAILOV MURAD M
IPC分类号： G06F17/50 , F01L9/04 , F16K31/44 , G06F7/60 , G06F17/10 , G11B5/596 , G11B15/18 , H01F7/13 , H01F7/16 , H01F7/18 , H02P3/00 , H03K20060101
CPC分类号： G06F17/5009 , F02D41/20 , F02D2041/1433 , F02M51/0664 , F02M57/023 , F02M59/366 , F02M63/0017 , G06F17/5063 , G11B5/5526 , H01F7/13 , H01F7/1607 , H01F7/1844 , H01F2007/1855 , H02P13/00 , H03K17/64 , H03K17/661

3. 发明授权

EP1571653B1 DISC APPARATUS, DISC APPARATUS ASSEMBLY. DISC APPARATUS MANUFACTURING METHOD 有权
标题翻译：光盘装置，光盘装置组装。光盘装置制造方法
公开(公告)号：EP1571653B1
公开(公告)日：2009-04-22
申请号：EP02786092.3
申请日：2002-12-12
申请人： FUJITSU LIMITED
发明人： FURUHASHI, Takao, c/o FUJITSU LIMITED , OHBA, Kazuhide, c/o FUJITSU LIMITED , SAKAI, Yoshimichi, c/o FUJITSU LIMITED
IPC分类号： G11B5/012
CPC分类号： G11B5/09 , G11B5/012 , G11B5/5526 , G11B5/5534 , G11B21/083
摘要： A magnetic disc apparatus in which a data recording area is set according to an inner side recording limit or an outer side recording limit of the head measured for each of the magnetic disc apparatuses. When the head cannot reach a recording line (angle) density to be obtained for assuring a predetermined capacity, the data recording area is extended, so that the recording line (angle) density to be reached by the head is lowered so as to realize the predetermined capacity. There are various methods for measuring the position of the inner side recording limit and the outer side recording limit of the head. For example, it is possible to utilize the counter electromotive force generated when the head is moved toward the stopper and the ramp road or it is possible to perform measurement based on the head position information from the servo signal.
摘要翻译：一种磁盘装置，其中根据针对每个磁盘装置测量的磁头的内侧记录极限或外侧记录极限来设置数据记录区域。当磁头不能达到用于确保预定容量的记录线（角度）密度时，数据记录区域被扩展，使得由磁头达到的记录线（角度）密度降低，从而实现预定容量。测量头部的内侧记录极限和外侧记录极限的位置有多种方法。例如，可以利用当磁头移向止动器和斜坡道时产生的反电动势，或者可以根据来自伺服信号的磁头位置信息进行测量。

4. 发明授权

EP1564742B1 Head position control method and disk device 有权
标题翻译：用于控制所述磁头位置和磁盘装置的方法
公开(公告)号：EP1564742B1
公开(公告)日：2009-02-25
申请号：EP05009604.9
申请日：2003-06-18
申请人： FUJITSU LIMITED
发明人： Takaishi, Kazuhiko, c/o Fujitsu Limited
IPC分类号： G11B21/08 , G11B5/55 , G11B20/20
CPC分类号： G11B5/5534 , G11B5/5526 , G11B5/59627 , G11B21/083

5. 发明授权

EP1381048B1 Head position control method and disk device 有权
公开(公告)号：EP1381048B1
公开(公告)日：2009-02-25
申请号：EP03253857.1
申请日：2003-06-18
申请人： FUJITSU LIMITED
发明人： Takaishi, Kazuhiko, c/o Fujitsu Limited
IPC分类号： G11B21/08 , G11B5/55 , G11B20/20
CPC分类号： G11B5/5534 , G11B5/5526 , G11B5/59627 , G11B21/083

6. 发明公开

EP1895517A3 Servo data demodulation 审中-公开
标题翻译：伺服数据解调
公开(公告)号：EP1895517A3
公开(公告)日：2008-10-01
申请号：EP07101672.9
申请日：2007-02-02
申请人： FUJITSU LIMITED
发明人： Takaishi, Kazuhiko c/o FUJITSU LIMITED
IPC分类号： G11B5/55 , G11B5/596
CPC分类号： G11B5/5526 , G11B5/59605 , G11B5/59627
摘要： A magnetic disk device (300) includes a position and velocity demodulating circuit (100). In the position and velocity demodulating circuit, a difference calculating unit (104, 105) demodulates a moving velocity of a magnetic head based on a phase difference in servo signals as servo data in the same sector. An overflow detecting unit (108) detects an overflow of the demodulated moving velocity (V raw ) and calculates a correction value (V ofs ) for the overflow. The overflow is corrected based on the correction value. The corrected overflow is further corrected by a correction value (from 101e) of a repeatable velocity error (RVE) for the demodulated velocity to output an accurate demodulated velocity.

7. 发明公开

EP1571653A4 DISC APPARATUS, DISC APPARATUS ASSEMBLY. DISC APPARATUS MANUFACTURING METHOD 有权
标题翻译： DATENTRÄGERVORRICHTUNG，DATENTRÄGERVORRICHTUNGSBUGRUPPE，DATENTRÄGERVORRICHTUNGSHERSTELLVERFAHREN
公开(公告)号：EP1571653A4
公开(公告)日：2008-03-26
申请号：EP02786092
申请日：2002-12-12
申请人： FUJITSU LTD
发明人： FURUHASHI TAKAO , OHBA KAZUHIDE , SAKAI YOSHIMICHI
IPC分类号： G11B5/012 , G11B5/09 , G11B5/55 , G11B19/02 , G11B21/02
CPC分类号： G11B5/09 , G11B5/012 , G11B5/5526 , G11B5/5534 , G11B21/083
摘要： A magnetic disc apparatus in which a data recording area is set according to an inner side recording limit or an outer side recording limit of the head measured for each of the magnetic disc apparatuses. When the head cannot reach a recording line (angle) density to be obtained for assuring a predetermined capacity, the data recording area is extended, so that the recording line (angle) density to be reached by the head is lowered so as to realize the predetermined capacity. There are various methods for measuring the position of the inner side recording limit and the outer side recording limit of the head. For example, it is possible to utilize the counter electromotive force generated when the head is moved toward the stopper and the ramp road or it is possible to perform measurement based on the head position information from the servo signal.
摘要翻译：一种磁盘装置，其中根据针对每个磁盘装置测量的磁头的内侧记录极限或外侧记录极限来设置数据记录区域。当磁头不能达到用于确保预定容量的记录线（角度）密度时，数据记录区域被扩展，使得由磁头达到的记录线（角度）密度降低，从而实现预定容量。测量头部的内侧记录极限和外侧记录极限的位置有多种方法。例如，可以利用当磁头移向止动器和斜坡道时产生的反电动势，或者可以根据来自伺服信号的磁头位置信息进行测量。

8. 发明公开

EP1620854A1 OPTICAL DISC DRIVE FOCUSING APPARATUS FOR PRINTING AN IMAGE ON A LABEL REGION 有权
标题翻译：聚焦光盘驱动器用于将图像打印在标签RANGE
公开(公告)号：EP1620854A1
公开(公告)日：2006-02-01
申请号：EP04782435.4
申请日：2004-08-26
申请人： Hewlett-Packard Development Company, L.P.
发明人： VAN BROCKLIN, Andrew, L. , ANDERSON, Daryl, E.
IPC分类号： G11B23/38 , G11B23/40 , G11B7/0045 , G11B7/09
CPC分类号： G11B7/0908 , B41J3/4071 , G11B5/5526 , G11B7/0037
摘要： An optical focusing system (100) is configured to generate a data profile (296), wherein the data profile (296) is configured to provide signals (293) for operation of an actuator (200). Application of the signals (293) from the data profile (296) results in focus of optics (209) within a label region (221) of an optical disc (217). An image (165) is printed on the label region (221) of the optical disc (217) while the optics (209) focus on the label region (221) of the optical disc (217) by applying signals (293) to the actuator (200) according to the data profile (296).

9. 发明公开

EP1596390A2 Data recording system 有权
标题翻译： Datenaufzeichnungssystem
公开(公告)号：EP1596390A2
公开(公告)日：2005-11-16
申请号：EP05103595.4
申请日：2005-04-29
申请人： Hitachi Global Storage Technologies B. V.
发明人： Bandic, Zvonimir Z. , New, Richard M.H. , Wilson, Bruce Alexander
IPC分类号： G11B20/10 , G11B20/12 , G11B20/14
CPC分类号： G11B5/59688 , G11B5/5526 , G11B20/1217 , G11B20/1403 , G11B2020/1232 , G11B2020/1238 , G11B2020/1287 , G11B2220/2516
摘要： A data recording system, such as a magnetic recording hard disk drive, has a recording medium in which the data tracks have pseudo-random binary sequences for the servo information used to control the position of the recording head. A first pseudo-random binary sequence (PRBS) and a second PRBS identical to the first PRBS but shifted by a portion of the period of the first PRBS are located between the track boundaries in alternating tracks in a first region of the servo pattern and between the track centers in alternating tracks in a second region spaced along the track from said first region. A servo decoder has two correlators, one for each PRBS. Each correlator outputs a dipulse when its PRBS repeats. The difference in amplitude of the dipulses represents the head position signal. The dipulses also control the amplifier for the signal read back by the head and the timing of the track identification (TID) detector.
摘要翻译：诸如磁记录硬盘驱动器的数据记录系统具有其中数据轨道具有用于控制记录头的位置的伺服信息的伪随机二进制序列的记录介质。第一伪随机二进制序列（PRBS）和与第一PRBS相同但是被第一PRBS的周期的一部分移位的第二PRBS位于伺服模式的第一区域中的交替轨道中的轨道边界之间，并且位于所述轨道在与所述第一区域沿所述轨道间隔开的第二区域中的交替轨道中心。伺服解码器具有两个相关器，每个PRBS一个。当PRBS重复时，每个相关器输出一个二次脉冲。脉冲的振幅差异表示磁头位置信号。该脉冲还控制放大器，用于由磁头读回的信号和磁道识别（TID）检测器的定时。

10. 发明公开

EP1569227A1 INFORMATION RECORDING MEDIUM 审中-公开
标题翻译： INFORMATIONSAUFZEICHNUNGSMEDIUM
公开(公告)号：EP1569227A1
公开(公告)日：2005-08-31
申请号：EP02783693.1
申请日：2002-11-29
申请人： FUJITSU LIMITED
发明人： KURODA, Sumio, c/o FUJITSU LIMITED , OZAKI, Kazuyuki, c/o FUJITSU LIMITED
IPC分类号： G11B20/12 , G11B5/09 , G11B5/86 , G11B5/82
CPC分类号： G11B5/865 , G11B5/09 , G11B5/5526 , G11B5/59633 , G11B20/1217 , G11B2020/1282 , G11B2020/1284 , G11B2220/2516
摘要： An information recording medium characterized by comprising a plurality of kinds or a plurality of sets of servo information recorded as magnetic information and used for detecting a position of the information recording medium relative to a magnetic head. Even if some sets of servo information become defective, the information recording medium is not determined as a defective, and user data can be recorded and reproduced on the information recording medium by utilizing servo information of another set which is determined to be normal.
摘要翻译：一种信息记录介质，其特征在于包括记录为磁信息的多种或多组伺服信息，用于检测信息记录介质相对于磁头的位置。即使某些伺服信息集合有缺陷，信息记录介质也不被确定为缺陷，并且可以通过利用被确定为正常的另一组的伺服信息在信息记录介质上记录和再现用户数据。

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