专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US08553351B1 Disk drive correcting track ID in response to an estimated radial location and a burst PES 失效
标题翻译：响应于估计的径向位置和突发PES，盘驱动器校正轨迹ID
公开(公告)号：US08553351B1
公开(公告)日：2013-10-08
申请号：US13267196
申请日：2011-10-06
申请人： Aswartha Narayana , Chuanwen Ji , Duc T. Phan , Min Chen , Hengchang Guo
发明人： Aswartha Narayana , Chuanwen Ji , Duc T. Phan , Min Chen , Hengchang Guo
IPC分类号： G11B21/02
CPC分类号： G11B5/596 , G11B5/59644
摘要： A disk drive is disclosed comprising a head actuated over a disk, the disk comprising a plurality of servo tracks defined by a plurality of servo sectors. An estimated radial location of the head is generated in response to an actuator control signal. A Gray coded track ID is detected from reading a servo sector, and decoded into a detected track ID. A burst position error signal (PES) is generated from reading servo bursts in the servo sector, wherein the burst PES represents a detected fractional servo track offset of the head. When the detected track ID is corrupt, a corrected track ID is generated using the estimated radial location and the burst PES, and the actuator control signal is adjusted in response to the corrected track ID and the burst PES.
摘要翻译：公开了一种磁盘驱动器，其包括在盘上致动的磁头，磁盘包括由多个伺服扇区限定的多个伺服磁道。响应于致动器控制信号产生头部的估计的径向位置。通过读取伺服扇区来检测灰色编码轨道ID，并将其解码为检测到的轨迹ID。脉冲串位置误差信号（PES）是从伺服扇区的伺服脉冲串中产生的，其中脉冲串PES表示检测到的磁头的分数伺服磁道偏移。当检测到的磁道ID被破坏时，使用估计的径向位置和突发PES产生校正的磁道ID，并且响应于校正的磁道ID和突发PES调整致动器控制信号。

2. 发明授权

US08743495B1 Disk drive detecting track squeeze when circular tracks are defined from non-circular servo tracks 有权
标题翻译：当圆形轨道由非圆形伺服轨道定义时，磁盘驱动器检测轨道挤压
公开(公告)号：US08743495B1
公开(公告)日：2014-06-03
申请号：US13153357
申请日：2011-06-03
申请人： Min Chen , Duc T. Phan
发明人： Min Chen , Duc T. Phan
IPC分类号： G11B5/596
CPC分类号： G11B5/59627 , G11B20/10305
摘要： A disk drive is disclosed comprising a head actuated over a disk comprising a plurality of non-circular servo tracks for defining a plurality of substantially circular tracks. Each non-circular servo track comprises a plurality of servo sectors defining a plurality of servo wedges. The head is positioned at a first offset relative to a first circular track and a relationship of servo bursts for each servo wedge is first generated. The head is positioned at a second offset relative to the first circular track and the relationship of the servo bursts for each servo wedge is second generated. For each servo wedge, a selection is made between the first generated relationship at the first offset and the second generated relationship at the second offset, and the servo bursts at the selected offset are evaluated to generate a track squeeze indicator.
摘要翻译：公开了一种磁盘驱动器，其包括在盘上致动的磁头，该磁头包括多个用于限定多个基本上圆形轨道的非圆形伺服磁道。每个非圆形伺服轨道包括限定多个伺服楔形的多个伺服扇区。头部相对于第一圆形轨道定位在第一偏移处，并且首先产生针对每个伺服楔的伺服脉冲串的关系。头部相对于第一圆形轨道定位在第二偏移处，并且第二次产生用于每个伺服楔块的伺服脉冲串的关系。对于每个伺服楔，在第一偏移处的第一生成关系和第二偏移处的第二生成关系之间进行选择，并且评估所选偏移处的伺服脉冲串以产生轨道挤压指示器。

3. 发明授权

US07961422B1 Disk drive computing data center off-track from repeatable runout of write servo track and read servo track 有权
标题翻译：磁盘驱动器计算数据中心从写入伺服轨迹和读取伺服轨迹的可重复跳动偏离轨迹
公开(公告)号：US07961422B1
公开(公告)日：2011-06-14
申请号：US12388644
申请日：2009-02-19
申请人： Min Chen , Li Yi , Duc T. Phan
发明人： Min Chen , Li Yi , Duc T. Phan
IPC分类号： G11B5/596
CPC分类号： G11B5/59627
摘要： A disk drive is disclosed comprising a disk having a plurality of servo tracks that define a plurality of data tracks, and a head actuated over the disk by a voice coil motor (VCM), wherein the head comprises a read element offset radially from a write element. The read element is positioned over a first servo track and the write element is positioned over a second servo track, and a first repeatable runout (RRO) of the first servo track is measured. The read element is positioned over the second servo track, and a second RRO of the second servo track is measured. A data center off-track is computed in response to the first RRO and the second RRO.
摘要翻译：公开了一种磁盘驱动器，其包括具有限定多个数据磁道的多个伺服磁道的盘，以及由音圈电机（VCM）在盘上驱动的磁头，其中磁头包括从写入放射偏离的读取元件元件。读取元件位于第一伺服轨道之上，并且写入元件位于第二伺服轨道上，并且测量第一伺服轨道的第一可重复跳动（RRO）。读取元件位于第二伺服轨道上，并且测量第二伺服轨道的第二RRO。响应于第一RRO和第二RRO计算数据中心离轨。

4. 发明授权

US08896955B1 Adaptive track follow control 有权
标题翻译：自适应跟踪控制
公开(公告)号：US08896955B1
公开(公告)日：2014-11-25
申请号：US13162095
申请日：2011-06-16
申请人： Min Chen , Alain Chahwan , Shang-Chen Wu , Qixing Zheng , Alexander Babinski , Duc T. Phan
发明人： Min Chen , Alain Chahwan , Shang-Chen Wu , Qixing Zheng , Alexander Babinski , Duc T. Phan
IPC分类号： G11B5/596
CPC分类号： G11B5/59622 , G11B5/59694
摘要： A disk drive comprises a track follow control system having a plurality of selectable frequency modes, the track follow control system configured to receive a position error signal and to output a control signal based on the position error signal, wherein the control signal is used by a head assembly to position a head over a disk. The disk drive also comprises a state estimator configured to receive the control signal and a position signal indicating a position of the head, to estimate a disturbance based on the control signal and the position signal, and to output an estimated disturbance signal based on the estimated disturbance. The disk drive further comprises a disturbance evaluator configured to receive the estimated disturbance signal, and to select one of the frequency modes of the track follow control system based on the estimated disturbance signal.
摘要翻译：磁盘驱动器包括具有多个可选频率模式的轨道跟随控制系统，轨道跟随控制系统被配置为接收位置误差信号并基于位置误差信号输出控制信号，其中控制信号由头部组件以将磁头定位在磁盘上。磁盘驱动器还包括状态估计器，其被配置为接收控制信号和指示头部的位置的位置信号，以基于控制信号和位置信号来估计干扰，并且基于所估计的干扰信号来输出估计的干扰信号骚乱。磁盘驱动器还包括被配置为接收所估计的干扰信号的干扰评估器，并且基于估计的干扰信号选择轨道跟随控制系统的频率模式之一。

5. 发明授权

US07688538B1 Disk drive comprising a disk surface having track addresses of varying width 失效
标题翻译：磁盘驱动器包括具有不同宽度的轨道地址的盘表面
公开(公告)号：US07688538B1
公开(公告)日：2010-03-30
申请号：US11941467
申请日：2007-11-16
申请人： Min Chen , Duc T. Phan
发明人： Min Chen , Duc T. Phan
IPC分类号： G11B21/02
CPC分类号： G11B5/59633 , G11B5/59638 , G11B5/59666
摘要： A disk drive is disclosed comprising a disk surface having a plurality of servo sectors for defining a plurality of servo tracks, and a head actuated radially over the disk surface. A first servo sector defines a first servo track comprising a first track address having a first width, and a second servo sector defines a second servo track comprising a second track address having a second width substantially less than the first width. In one embodiment the servo sectors are written using an external servo writer or media writer, and in another embodiment the servo sectors are self-servo written by the disk drive.
摘要翻译：公开了一种磁盘驱动器，其包括具有用于限定多个伺服磁道的多个伺服扇区的磁盘表面，以及沿盘表面径向地致动的磁头。第一伺服扇区定义包括具有第一宽度的第一轨道地址的第一伺服轨迹，而第二伺服扇区限定包括具有基本上小于第一宽度的第二宽度的第二轨道地址的第二伺服轨迹。在一个实施例中，使用外部伺服写入器或介质写入器写入伺服扇区，在另一个实施例中，伺服扇区由磁盘驱动器自写入。

6. 发明授权

US07616399B1 Disk drive servo control techniques to preserve PES continuity 有权
标题翻译：磁盘驱动伺服控制技术，保持PES连续性
公开(公告)号：US07616399B1
公开(公告)日：2009-11-10
申请号：US11635904
申请日：2006-12-07
申请人： Min Chen , Zhi Wang , Duc T. Phan
发明人： Min Chen , Zhi Wang , Duc T. Phan
IPC分类号： G11B5/596
CPC分类号： G11B5/59627
摘要： A disk drive comprising a moveable head, a disk, and a servo controller that implements servo control techniques to preserve PES continuity during track following operations is disclosed. The disk includes a plurality of tracks in which a substantial majority of the tracks include a plurality of servo sectors having a plurality of servo bursts that are utilized in track following operations. The servo controller controls track following operations with the moveable head and implements operations to preserve PES continuity during track following. These operations include: dividing tracks of the disk into a plurality of zones wherein each zone includes zone boundaries; and utilizing a PES equation for each zone to generate a PES value based upon read servo bursts wherein each zone PES equation includes a normalizing factor to account for boundary conditions associated with zone boundaries to preserve PES value continuity between zones.
摘要翻译：公开了一种磁盘驱动器，其包括可移动磁头，磁盘和伺服控制器，其实现伺服控制技术以在跟踪操作期间保持PES连续性。磁盘包括多个磁道，其中绝大多数磁道包括具有多个伺服脉冲串的多个伺服扇区，这些伺服扇区在跟踪操作中被使用。伺服控制器通过可移动头控制跟踪跟踪操作，并实现跟踪跟踪期间保持PES连续性的操作。这些操作包括：将盘的轨迹分成多个区，其中每个区包括区域边界; 并且利用每个区域的PES等式基于读取的伺服脉冲串生成PES值，其中每个区域PES方程式包括归一化因子以考虑与区域边界相关联的边界条件以保持区域之间的PES值连续性。

7. 发明授权

US10020131B2 Transformer tapping arrangement and methods of operation of same 有权
公开(公告)号：US10020131B2
公开(公告)日：2018-07-10
申请号：US14441843
申请日：2013-12-03
申请人： Jianping Hou , Zheng Chen , Roy Horne , David Simon Fishman , Min Chen
发明人： Min Chen
IPC分类号： H01H19/00 , H01H21/00 , H01H9/00 , H01H19/56 , H01H1/20 , H01H3/38
CPC分类号： H01H9/0027 , H01H1/2041 , H01H3/38 , H01H9/0038 , H01H19/563 , H01H2235/01
摘要： A tapping arrangement for a transformer, the arrangement comprising a plurality of fixed contacts, a movable rotary contact, a transition rotor with pairs of transition contacts, an interrupter coupling assembly and driving motor(s) are compacted into a single vacuum chamber.

8. 发明授权

US08837551B2 Method for generating high power electromagnetic radiation based on double-negative metamaterial 有权
公开(公告)号：US08837551B2
公开(公告)日：2014-09-16
申请号：US13589930
申请日：2012-08-20
申请人： Zhaoyun Duan , Xin Guo , Chen Guo , Yubin Gong , Min Chen
发明人： Zhaoyun Duan , Xin Guo , Chen Guo , Yubin Gong , Min Chen
IPC分类号： H01S3/09
CPC分类号： H01J25/00
摘要： A method for generating high power electromagnetic radiation based on double-negative metamaterial (DNM), includes providing electrons of an electron beam moving in a vacuum close to an interface between the DNM and the vacuum at a predetermined average speed larger than a phase velocity of an electromagnetic wave propagating in the DNM so as to generate coherent high power radiation. The method can be applied but not limited to high power and compact Terahertz radiation sources and Cherenkov particle detectors and emitters.

9. 发明授权

US08798291B2 Structure of MEMS electroacoustic transducer and fabricating method thereof 有权
标题翻译： MEMS电声换能器的结构及其制造方法
公开(公告)号：US08798291B2
公开(公告)日：2014-08-05
申请号：US12233919
申请日：2008-09-19
申请人： Bang-Chiang Lan , Ming-I Wang , Li-Hsun Ho , Hui-Min Wu , Min Chen , Chien-Hsin Huang
发明人： Bang-Chiang Lan , Ming-I Wang , Li-Hsun Ho , Hui-Min Wu , Min Chen , Chien-Hsin Huang
IPC分类号： H04R31/00
CPC分类号： B81B3/0021 , B81B2201/0271 , H04R3/00 , H04R7/00 , H04R19/005 , H04R31/00 , H04R2499/11 , Y10T29/49002
摘要： A structure of a micro-electro-mechanical systems (MEMS) electroacoustic transducer includes a substrate, a diaphragm, a silicon material layer, and a conductive pattern. The substrate includes an MEMS device region. The diaphragm has openings, and is disposed in the MEMS device region. A first cavity is formed between the diaphragm and the substrate. The silicon material layer is disposed on the diaphragm and seals the diaphragm. The conductive pattern is disposed beneath the diaphragm in the MEMS device region.
摘要翻译：微电子机械系统（MEMS）电声换能器的结构包括基板，隔膜，硅材料层和导电图案。衬底包括MEMS器件区域。隔膜具有开口，并且设置在MEMS器件区域中。在隔膜和基板之间形成第一空腔。硅材料层设置在隔膜上并密封隔膜。导电图案设置在MEMS器件区域中的隔膜下方。

10. 发明授权

US08642986B2 Integrated circuit having microelectromechanical system device and method of fabricating the same 有权
标题翻译：具有微机电系统装置的集成电路及其制造方法
公开(公告)号：US08642986B2
公开(公告)日：2014-02-04
申请号：US12565154
申请日：2009-09-23
申请人： Tzung-Han Tan , Bang-Chiang Lan , Ming-I Wang , Tzung-I Su , Chien-Hsin Huang , Hui-Min Wu , Chao-An Su , Min Chen , Meng-Jia Lin
发明人： Tzung-Han Tan , Bang-Chiang Lan , Ming-I Wang , Tzung-I Su , Chien-Hsin Huang , Hui-Min Wu , Chao-An Su , Min Chen , Meng-Jia Lin
IPC分类号： H01L29/84 , H01L21/30
CPC分类号： B81C1/00238
摘要： An integrated circuit (IC) having a microelectromechanical system (MEMS) device buried therein is provided. The integrated circuit includes a substrate, a metal-oxide semiconductor (MOS) device, a metal interconnect, and the MEMS device. The substrate has a logic circuit region and a MEMS region. The MOS device is located on the logic circuit region of the substrate. The metal interconnect, formed by a plurality of levels of wires and a plurality of vias, is located above the substrate to connect the MOS device. The MEMS device is located on the MEMS region, and includes a sandwich membrane located between any two neighboring levels of wires in the metal interconnect and connected to the metal interconnect.
摘要翻译：提供了一种其中埋有微机电系统（MEMS）器件的集成电路（IC）。集成电路包括衬底，金属氧化物半导体（MOS）器件，金属互连和MEMS器件。衬底具有逻辑电路区域和MEMS区域。 MOS器件位于衬底的逻辑电路区域上。由多层电线形成的金属互连和多个通孔位于衬底上方以连接MOS器件。 MEMS器件位于MEMS区域上，并且包括位于金属互连中的任何两个相邻电平线之间并连接到金属互连的夹层膜。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式