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1. 发明授权

US08879185B1 Disk synchronous write architecture for bit-patterned recording 有权
标题翻译：用于位图记录的磁盘同步写架构
公开(公告)号：US08879185B1
公开(公告)日：2014-11-04
申请号：US13288276
申请日：2011-11-03
申请人： Qiyue Zou , Gregory Burd , Michael Madden
发明人： Qiyue Zou , Gregory Burd , Michael Madden
IPC分类号： G11B5/09
CPC分类号： G11B5/746 , G11B5/59616
摘要： Systems, methods, apparatus, and techniques are provided for controlling synchronization of a write clock. A frequency offset is estimated based, at least partially, on a location of the servo synchronization marker to produce the frequency offset estimate. A phase correction value and a frequency correction value associated with the write clock are obtained, and a data clock timing control signal is produced based on the frequency offset estimate, the phase correction value, and the frequency correction value. The data clock timing control signal is applied to a phase interpolator to modify a phase of the write clock.
摘要翻译：提供了用于控制写时钟的同步的系统，方法，装置和技术。至少部分地基于伺服同步标记的位置来估计频率偏移，以产生频率偏移估计。获得与写时钟相关联的相位校正值和频率校正值，并且基于频率偏移估计，相位校正值和频率校正值产生数据时钟定时控制信号。数据时钟定时控制信号被施加到相位插值器以修改写入时钟的相位。

2. 发明授权

US08537482B1 Systems and methods for inter-track interference cancellation in magnetic recording channels 有权
标题翻译：磁记录通道中轨道间干扰消除的系统和方法
公开(公告)号：US08537482B1
公开(公告)日：2013-09-17
申请号：US13365696
申请日：2012-02-03
申请人： Hongxin Song , Nitin Nangare , Michael Madden , Gregory Burd
发明人： Hongxin Song , Nitin Nangare , Michael Madden , Gregory Burd
IPC分类号： G11B5/09 , G11B5/035
CPC分类号： G11B5/09 , G11B5/012 , G11B20/10009 , G11B20/10222
摘要： A receiver for a hard disk drive system includes an analog front end module configured to sample a read-back signal and to output a digital read-back signal. An equalizer module is configured to generate a data vector based on the digital read-back signal. A detector module is configured to generate a decision vector based on the data vector. A re-timing module is configured to generate a first revised data vector based on the data vector and the decision vector. The re-timing module re-samples a plurality of samples in the data vector in a non-sequential time order to generate the first revised data vector. An inter-track interference (ITI) cancellation module is configured to remove ITI from the first revised data vector and to generate a second revised data vector.
摘要翻译：用于硬盘驱动器系统的接收器包括被配置为对回读信号进行采样并输出数字回读信号的模拟前端模块。均衡器模块被配置为基于数字回读信号生成数据向量。检测器模块被配置为基于数据向量生成决策向量。重新定时模块被配置为基于数据向量和决策向量生成第一修订数据向量。重新定时模块以非连续时间顺序重新采样数据向量中的多个样本，以生成第一修订数据向量。轨道间干扰（ITI）消除模块被配置为从第一修订数据向量中移除ITI并生成第二修订数据向量。

3. 发明授权

US08473830B1 Viterbi decoder method and apparatus with RI detector in servo channel 有权
公开(公告)号：US08473830B1
公开(公告)日：2013-06-25
申请号：US13601404
申请日：2012-08-31
申请人： Zaihe Yu , Michael Madden
发明人： Zaihe Yu , Michael Madden
IPC分类号： H03M13/03
CPC分类号： G11B20/10212 , G11B20/10175 , G11B20/10222 , G11B20/10277 , G11B20/10398 , G11B20/20 , H03M13/3961 , H03M13/41 , H03M13/6343
摘要： Apparatus and methods are disclosed for decoding data stored on a data storage medium. A disclosed decoding method and decoder include a radial incoherence (RI) detector that increases the probability of detecting RI and improves the decoding performance in terms of the bit error rate of the decoded signal. RI is detected by comparing an input signal to the decoder against a RI threshold value and generating a RI-type signal. The RI detector may include a filter for filtering out noise and error in the RI-type signal, an adaptive threshold unit that adjusts the RI threshold value based upon the RI-type signal, a transition-based threshold unit that adjusts the RI threshold value based upon each transition in the input signal, or a path-based threshold unit that adjusts the RI threshold value based upon a best surviving path corresponding to the input signal, in combination or alone.

4. 发明申请

US20130116498A1 SURGICAL SLINGS 有权
标题翻译：手术排
公开(公告)号：US20130116498A1
公开(公告)日：2013-05-09
申请号：US13724579
申请日：2012-12-21
申请人： Jamie Li , Michael Madden
发明人： Jamie Li , Michael Madden
IPC分类号： A61F2/04
CPC分类号： A61F2/042 , A61F2/0045 , A61F2/0063 , A61F2/0077 , A61F2250/0067 , A61F2250/0068
摘要： The invention relates generally to surgical implants, and in various embodiments to surgical implants configured for promoting growth of well-organized collagenous tissue at an anatomical site.
摘要翻译：本发明一般涉及外科植入物，并且在各种实施方案中涉及被配置用于促进解剖部位的组织良好的胶原组织的生长的外科植入物。

5. 发明授权

US08289642B1 Digital techniques to decode signals extracted from computer-readable storage media 有权
标题翻译：用于解码从计算机可读存储介质提取的信号的数字技术
公开(公告)号：US08289642B1
公开(公告)日：2012-10-16
申请号：US13184222
申请日：2011-07-15
申请人： Zaihe Yu , Michael Madden
发明人： Zaihe Yu , Michael Madden
IPC分类号： G11B5/09
CPC分类号： G11B5/59627 , G11B5/09 , G11B20/10009 , G11B20/10027 , G11B20/10314 , G11B20/1217 , G11B2020/1281 , G11B2220/2516
摘要： Methods, apparatuses, and systems describing digital techniques to decode signals extracted from computer-readable storage media include, in at least some implementations, a method including receiving a digital signal representing at least a portion of an analog signal from a computer-readable storage medium, the analog signal including a repeatable runout (RRO) signal component, determining an estimate of a magnitude of at least a portion of the RRO signal component, and decoding the digital signal at least in part by configuring a gain target value based on the estimate of the magnitude. In some implementations, the method includes causing the gain target value to change from a predetermined default gain target value to the configured gain target value based on the estimate of the magnitude.
摘要翻译：在至少一些实施方式中，描述用于对从计算机可读存储介质提取的信号进行解码的数字技术的方法，装置和系统包括在计算机可读存储介质中接收表示模拟信号的至少一部分的数字信号的方法，所述模拟信号包括可重复的跳动（RRO）信号分量，确定所述RRO信号分量的至少一部分的幅度的估计，以及至少部分地通过基于估计来配置增益目标值来解码所述数字信号的数量。在一些实现中，该方法包括使增益目标值基于大小的估计从预定的默认增益目标值改变为所配置的增益目标值。

6. 发明授权

US08279546B1 Systems and methods for sync mark detection using correlation 有权
标题翻译：使用相关性的同步标记检测的系统和方法
公开(公告)号：US08279546B1
公开(公告)日：2012-10-02
申请号：US13160068
申请日：2011-06-14
申请人： Ke Han , Zining Wu , Michael Madden
发明人： Ke Han , Zining Wu , Michael Madden
IPC分类号： G11B5/09
CPC分类号： G11B20/10009 , G11B5/012 , G11B5/09 , G11B20/10287 , G11B20/1217 , G11B2020/1232 , G11B2020/1287 , G11B2220/2516
摘要： Systems and methods for detecting and designing enhanced disk sync marks using correlation detection are disclosed. The enhanced sync marks provide better noise immunity and higher detection rates over traditional Viterbi-based detection schemes even with a shorter sync mark length. The disk sync mark may provide optimal noise immunity for a particular target polynomial or a plurality of common target polynomials. The minimum Euclidean distance between a candidate sync mark and a plurality of right-shifted versions of the candidate sync mark is computed and compared with other candidate sync marks. The sync mark with the largest minimum Euclidean distance is then selected as the optimal mark. Systems and methods are also disclosed for detecting and designing a disk sync mark using correlation detection when the polarity of the disk is unknown or time-varying.
摘要翻译：公开了使用相关检测来检测和设计增强的盘同步标记的系统和方法。增强的同步标记与传统的基于维特比的检测方案相比，即使具有较短的同步标记长度，也提供更好的抗噪声性和更高的检测率。磁盘同步标记可以为特定目标多项式或多个公共目标多项式提供最佳的噪声抗扰度。计算候选同步标记与候选同步标记的多个右移版本之间的最小欧几里德距离，并与其他候选同步标记进行比较。然后选择具有最大欧几里得距离的最大同步标记作为最佳标记。还公开了系统和方法，用于当磁盘的极性未知或时变时，使用相关检测来检测和设计磁盘同步标记。

7. 发明授权

US08267798B2 Formed grease cover retention feature 有权
标题翻译：形成油封保留功能
公开(公告)号：US08267798B2
公开(公告)日：2012-09-18
申请号：US12519929
申请日：2007-12-18
申请人： Michael Madden , Brian Michael Valovick , Jake Lawson
发明人： Michael Madden , Brian Michael Valovick , Jake Lawson
IPC分类号： F16D3/22
CPC分类号： F16D3/843 , Y10S464/906 , Y10T29/49938 , Y10T403/17
摘要： A connection system for a grease cover of a constant velocity joint includes a groove portion formed in a generally annular portion of the constant velocity joint. The generally annular portion is defined, at least in part, by an inner surface. The system also includes an insertion tool a grease cover selectively positioned at least partially within the groove portion. The grease cover includes an outer edge portion.
摘要翻译：用于等速万向节的油脂盖的连接系统包括形成在等速万向节的大致环形部分中的槽部。至少部分由内表面限定大致环形部分。该系统还包括插入工具，油脂盖至少部分地位于槽部内。油脂盖包括外边缘部分。

8. 发明授权

US08184943B2 Transport controls for a media device 有权
标题翻译：媒体设备的传输控制
公开(公告)号：US08184943B2
公开(公告)日：2012-05-22
申请号：US11621053
申请日：2007-01-08
申请人： Rainer Brodersen , Jeffrey Robbin , Thomas Michael Madden , Rachel Clare Goldeen , Jeffrey Ma , Kevin Arnold
发明人： Rainer Brodersen , Jeffrey Robbin , Thomas Michael Madden , Rachel Clare Goldeen , Jeffrey Ma , Kevin Arnold
IPC分类号： H04N5/765 , H04N5/93 , H04N5/783 , H04N5/7824 , H04N7/12 , H04N9/80 , H04N9/88 , H03K19/003 , G06F3/00 , G06F3/048
CPC分类号： H04N5/783 , G11B19/025 , G11B27/005 , G11B27/34 , H04N5/147 , H04N5/765 , H04N5/781 , H04N5/907 , H04N5/915 , H04N21/6587
摘要： A method of scanning content comprises receiving an input signal indicating that content being displayed is to be scanned, sensing a duration of the received input signal, and scanning the content at a rate based at least in part on the sensed duration of the received input.
摘要翻译：扫描内容的方法包括：接收指示正在显示的内容将被扫描的输入信号，感测所接收的输入信号的持续时间，以及至少部分地基于所感测的接收到的输入的持续时间来以速率扫描内容。

9. 发明授权

US08165247B1 Unfolded decision-directed loop, architectures, apparatuses and systems including the same, and methods, algorithms and software for reducing latency in decision-directed loops 有权
标题翻译：展开的决策环路，架构，设备和系统，包括相同的方法，算法和软件，用于减少决策环路中的延迟
公开(公告)号：US08165247B1
公开(公告)日：2012-04-24
申请号：US12337564
申请日：2008-12-17
申请人： Michael Madden , Zining Wu
发明人： Michael Madden , Zining Wu
IPC分类号： H03D3/18
CPC分类号： G11B20/10268
摘要： Unfolded adaptive/decision-directed loops and correction circuits therefor, architectures, apparatuses and systems including the same, and methods, algorithms and software for reducing latency in an adaptive and/or decision-directed loop. Disclosed embodiments advantageously reduce effects of loop latency, improve the accuracy of corrections in an adaptive loop, and minimize overhead and delays associated with such improvements.
摘要翻译：展开的自适应/决策导向环路及其校正电路，包括相同的架构，设备和系统以及用于减少自适应和/或决策导向环路中的延迟的方法，算法和软件。所公开的实施例有利地减少了环路延迟的影响，提高了自适应环路中校正的准确性，并最小化了与此类改进相关联的开销和延迟。

10. 发明授权

US08164846B1 Hybrid defect detection for recording channels 有权
标题翻译：记录通道的混合缺陷检测
公开(公告)号：US08164846B1
公开(公告)日：2012-04-24
申请号：US12336308
申请日：2008-12-16
申请人： Xueshi Yang , Yu-Yao Chang , Michael Madden , Zining Wu
发明人： Xueshi Yang , Yu-Yao Chang , Michael Madden , Zining Wu
IPC分类号： G11B5/02 , G11B27/36
CPC分类号： G11B20/1816 , G11B2220/2516
摘要： Methods, systems and computer program products for performing hybrid defect detection are disclosed. A hybrid defect detection mechanism may be used to detect various classes of defects (e.g., long and shallow defects, and short and deep defects) while reducing the probability of a miss or false alarm. In some implementations, the hybrid defect detection mechanism may utilize a defect detector that includes one or more defect sub-detectors. Each defect sub-detector may be associated with an individual threshold and sliding window length to enhance the hybrid defect detection process that maximizes the detection of a specific type or class of defects.
摘要翻译：公开了用于执行混合缺陷检测的方法，系统和计算机程序产品。可以使用混合缺陷检测机构来检测各种类型的缺陷（例如，长而浅的缺陷以及短而深的缺陷），同时降低错误或虚假警报的可能性。在一些实施方案中，混合缺陷检测机构可以利用包括一个或多个缺陷子检测器的缺陷检测器。每个缺陷子检测器可以与单个阈值和滑动窗口长度相关联，以增强最大化特定类型或类别的缺陷的检测的混合缺陷检测过程。

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