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1. 发明授权

US07782721B2 Digital focus and tracking servo system with multi-zone calibration 有权
标题翻译：具有多区域校准功能的数字对焦跟踪伺服系统
公开(公告)号：US07782721B2
公开(公告)日：2010-08-24
申请号：US09950398
申请日：2001-09-10
申请人： Ron J. Kadlec , Christopher J. Turner , Charles R. Watt , Hans B. Wach
发明人： Ron J. Kadlec , Christopher J. Turner , Charles R. Watt , Hans B. Wach
IPC分类号： G11B7/095
CPC分类号： G11B7/0945 , G11B2007/0006
摘要： A multi-zone calibration system is disclosed. The multi-zone calibration system calibrates the operating parameters of an optical disk drive over a plurality of zones over an optical media. The optical media, in addition, can have writeable and premastered portions. The operating parameters can be calibrated for each of the media types in each of the zones. Additionally, the operating parameters can be calibrated for each type of operation (e.g., read or write) in each zone.
摘要翻译：公开了一种多区域校准系统。多区域校准系统通过光学介质校准多个区域上的光盘驱动器的操作参数。此外，光学介质可以具有可写入和预处理的部分。可以为每个区域中的每种介质类型校准操作参数。此外，可以针对每个区域中的每种类型的操作（例如，读取或写入）校准操作参数。

2. 发明授权

US07196979B2 Calibration storage methods for a digital focus and tracking servo system with calibration 有权
标题翻译：用于校准的数字对焦和跟踪伺服系统的校准存储方法
公开(公告)号：US07196979B2
公开(公告)日：2007-03-27
申请号：US09950360
申请日：2001-09-10
申请人： Ron J. Kadlec , Christopher J. Turner , Charles R. Watt , Hans B. Wach
发明人： Ron J. Kadlec , Christopher J. Turner , Charles R. Watt , Hans B. Wach
IPC分类号： G11B7/00
CPC分类号： G11B7/0945
摘要： A method of storing calibrated optical parameters is presented. In some embodiments, calibrated optical parameters are stored in place of stored parameters. In some embodiments, averages between the calibrated operating parameters and stored optical parameters are stored. In other embodiments, the stored optical parameters are allowed to vary only by a maximum amount. In some embodiments, if the calibrated parameters vary by more than threshold values, then the calibrated parameters are not stored.
摘要翻译：介绍了存储校准光学参数的方法。在一些实施例中，存储校准的光学参数来代替存储的参数。在一些实施例中，存储校准的操作参数和存储的光学参数之间的平均值。在其他实施例中，允许所存储的光学参数仅改变最大量。在一些实施例中，如果校准参数变化超过阈值，则校准参数不被存储。

3. 发明授权

US07023776B2 Calibration initiation methods for a tracking and focus servo system 失效
公开(公告)号：US07023776B2
公开(公告)日：2006-04-04
申请号：US09950541
申请日：2001-09-10
申请人： Ron J. Kadlec , Charles R. Watt , Christopher J. Turner , Hans B. Wach
发明人： Ron J. Kadlec , Charles R. Watt , Christopher J. Turner , Hans B. Wach
IPC分类号： G11B7/00
CPC分类号： G11B7/0945 , G11B2007/0006
摘要： A calibration method for an optical disk drive is presented. The operating parameters of an optical disk drive are initially calibrated when the disk drive is produced or during a repair step. The disk drive is then field calibrated during normal operation. Operating parameters can be field calibrated during power up. Further, operating parameters can be field calibrated when a new optical media is inserted into the optical disk drive. Additionally, operating parameters can be field calibrated during error recovery.

4. 发明授权

US06977873B2 System and method to adjust the level of re-calibration effort based on disc drive performance 失效
标题翻译：基于磁盘驱动器性能的系统和方法来调整重新校准的水平
公开(公告)号：US06977873B2
公开(公告)日：2005-12-20
申请号：US09951850
申请日：2001-09-10
申请人： Christopher J. Turner , Charles R. Watt , Ron J. Kadlec , Hans B. Wach
发明人： Christopher J. Turner , Charles R. Watt , Ron J. Kadlec , Hans B. Wach
IPC分类号： G11B7/085 , G11B7/09 , G11B7/095 , G11B7/12 , G11B7/13 , G11B7/135 , G11B19/28 , G11B7/00
CPC分类号： G11B7/1356 , G11B7/08505 , G11B7/08523 , G11B7/08529 , G11B7/08541 , G11B7/08576 , G11B7/09 , G11B7/0901 , G11B7/0912 , G11B7/0938 , G11B7/094 , G11B7/0941 , G11B7/0943 , G11B7/0946 , G11B7/0948 , G11B7/0953 , G11B7/0956 , G11B7/123 , G11B7/131 , G11B19/28
摘要： A system and method for dynamically re-calibrating an optical disc drive during operation is provided. The optical media includes a pitted premastered area that cannot be overwritten and a grooved user-writeable area that can be overwritten. The system can attempt several increasing levels of effort to recalibrate the disc drive until the disc drive reaches a desired level of performance, or the recalibration effort levels are exhausted. During each level of recalibration effort, various calibration values are determined for the optical media and the servo actuator, along with a notch frequency for a notch filter; a focus actuator offset; a tracking actuator offset; a focus control loop gain; and a tracking control loop gain. The optical media disc is divided into zones, and zone calibration tables for each of the zones are generated. Each zone is recalibrated using the corresponding zone calibration table. The calibration values can be stored and used during subsequent recalibration efforts, such as adjusting the focus control loop gain and/or the tracking control loop gain.
摘要翻译：提供了一种用于在操作期间动态地重新校准光盘驱动器的系统和方法。光学介质包括不能被覆盖的凹坑预制区域和可被覆盖的带槽的用户可写区域。该系统可以尝试几个不断增加的努力来重新校准磁盘驱动器，直到磁盘驱动器达到所需的性能水平，或重新校准工作级别耗尽。在每个重新校准水平期间，为光学介质和伺服致动器确定各种校准值以及陷波滤波器的陷波频率; 焦点致动器偏移; 跟踪致动器偏移; 聚焦控制环路增益; 和跟踪控制环增益。光学介质盘被分成区域，并且产生每个区域的区域校准表。每个区域使用相应的区域校准表重新校准。校准值可以在随后的重新校准努力期间被存储和使用，诸如调整聚焦控制环路增益和/或跟踪控制环路增益。

5. 发明授权

US06930963B2 Tracking and focus servo system with head load 失效
标题翻译：跟踪和聚焦伺服系统与头负载
公开(公告)号：US06930963B2
公开(公告)日：2005-08-16
申请号：US09950540
申请日：2001-09-10
申请人： Ron J. Kadlec , Charles R. Watt , Christopher J. Turner , Hans B. Wach
发明人： Ron J. Kadlec , Charles R. Watt , Christopher J. Turner , Hans B. Wach
IPC分类号： G11B7/00 , G11B7/09 , G11B7/095
CPC分类号： G11B7/0945 , G11B7/08517
摘要： A head load algorithm for an optical disk drive is presented. On startup, the optical media can be spun up. Then an optical pick-up unit can be positioned at an extreme position, for example at the inner diameter, and focus can be closed. The optical pick-up unit then can be incrementally moved away from the extreme position while the tracking error signal is monitored to locate an area of the optical media with tracks. Once the area is located, a tracking servo system can close on one of the tracks.
摘要翻译：提出了一种用于光盘驱动器的头负载算法。启动时，光学介质可以旋转。然后，光学拾取单元可以位于例如在内径处的极限位置，并且可以关闭聚焦。然后，光拾取单元可以递增地移动远离极限位置，同时监视跟踪误差信号以定位具有轨迹的光学介质的区域。一旦该区域定位，跟踪伺服系统可以在其中一个轨道上关闭。

6. 发明授权

US06741530B2 Time critical and non-time critical tasks control system for an optical disk using first and second processors 有权
标题翻译：使用第一和第二处理器的光盘的时间关键和非时间关键任务控制系统
公开(公告)号：US06741530B2
公开(公告)日：2004-05-25
申请号：US09951339
申请日：2001-09-10
申请人： Christopher J. Turner , Ron J. Kadlec , Charles R. Watt , Hans B. Wach
发明人： Christopher J. Turner , Ron J. Kadlec , Charles R. Watt , Hans B. Wach
IPC分类号： G11B2108
CPC分类号： G11B7/1356 , G11B7/08505 , G11B7/08523 , G11B7/08529 , G11B7/08541 , G11B7/08576 , G11B7/09 , G11B7/0901 , G11B7/0912 , G11B7/0938 , G11B7/094 , G11B7/0941 , G11B7/0943 , G11B7/0946 , G11B7/0948 , G11B7/0953 , G11B7/0956 , G11B7/123 , G11B7/131 , G11B19/28
摘要： A system, method, and apparatus for coordinating tasks in a control system for an optical disc drive for optical media with a pitted premastered area that cannot be overwritten and a grooved user-writeable area that can be overwritten. The optical disc drive includes a first processor operable to communicate with a second processor, wherein the first processor includes instructions for performing non-time-critical tasks, and the second processor includes instructions for performing time-critical tasks, such as reading from and writing to optical media in the disc drive. The first processor monitors the status of the time critical tasks in the second processor and transmits commands to perform operations in the second processor. The first processor also controls power mode, manages recovery from errors, controls focus, tracking/seeking, spin, physical sector address (PSA), a laser, adjusts gains, and monitor cartridge load/eject. The first processor can be used to perform other tasks while it is waiting to receive a notice of a new command, a notify event, or a performance event.
摘要翻译：一种用于协调用于光学介质的光盘驱动器的控制系统中的任务的系统，方法和装置，所述光盘驱动器具有不能被覆盖的凹坑预先区域和可被覆盖的带槽的用户可写区域。光盘驱动器包括可操作以与第二处理器进行通信的第一处理器，其中第一处理器包括用于执行非时间关键任务的指令，并且第二处理器包括用于执行时间关键任务的指令，例如从读写到光盘驱动器中的光学介质。第一处理器监视第二处理器中的时间关键任务的状态，并发送命令以在第二处理器中执行操作。第一个处理器还控制电源模式，管理从错误恢复，控制焦点，跟踪/寻找，旋转，物理扇区地址（PSA），激光，调整增益和监视盒式磁带加载/弹出。第一个处理器可以用于在其等待接收到新命令，通知事件或性能事件的通知时执行其他任务。

7. 发明授权

US06958963B2 System and method for handling events in an optical disc drive 失效
标题翻译：用于处理光盘驱动器中的事件的系统和方法
公开(公告)号：US06958963B2
公开(公告)日：2005-10-25
申请号：US09951329
申请日：2001-09-10
申请人： Christopher J. Turner , Charles R. Watt , Ron J. Kadlec , Hans B. Wach
发明人： Christopher J. Turner , Charles R. Watt , Ron J. Kadlec , Hans B. Wach
IPC分类号： G11B7/085 , G11B7/09 , G11B7/095 , G11B7/12 , G11B7/13 , G11B7/135 , G11B19/28 , G11B7/00
CPC分类号： G11B7/1356 , G11B7/08505 , G11B7/08523 , G11B7/08529 , G11B7/08541 , G11B7/08576 , G11B7/09 , G11B7/0901 , G11B7/0912 , G11B7/0938 , G11B7/094 , G11B7/0941 , G11B7/0943 , G11B7/0946 , G11B7/0948 , G11B7/0953 , G11B7/0956 , G11B7/123 , G11B7/131 , G11B19/28
摘要： A system and method for handling events issued as a result of error conditions in the operation of an optical disc drive include suspending processing of commanded operations in the disc drive while attempting to recover from the error condition. The recovery attempt can include increasing levels of recovery effort, such as dynamically recalibrating various components in the disc drive. The system can also determine whether a previous notice was received for the same error condition. If so, the system can determine whether excessive recovery attempts have been initiated based criteria such as the time between the notices, and/or the number of notices, for the same error condition. The recovery attempts are aborted when they become excessive. If the recovery attempt is successful, the interrupted operation is resumed at the point where the processing was suspended, such as during a write or read command.
摘要翻译：用于处理由于光盘驱动器的操作中的错误状况而发出的事件的系统和方法包括在尝试从错误状态恢复时暂停对盘驱动器中的命令操作的处理。恢复尝试可以包括提高恢复工作的水平，例如动态重新校准磁盘驱动器中的各种组件。系统还可以确定是否收到了相同错误条件的先前通知。如果是这样，系统可以根据相同错误条件的标准（例如通知之间的时间）和/或通知数量来确定是否启动了过度的恢复尝试。恢复尝试在过多时中止。如果恢复尝试成功，则在处理被暂停的时间点（例如在写入或读取命令期间）恢复中断的操作。

8. 发明授权

US06847597B2 Optical disk drive with a digital focus and tracking servo system 失效
标题翻译：具有数字对焦和跟踪伺服系统的光盘驱动器
公开(公告)号：US06847597B2
公开(公告)日：2005-01-25
申请号：US09950365
申请日：2001-09-10
申请人： Ron J. Kadlec , Charles R. Watt , Christopher J. Turner , Hans B. Wach
发明人： Ron J. Kadlec , Charles R. Watt , Christopher J. Turner , Hans B. Wach
IPC分类号： G11B7/00 , G11B7/09 , G11B7/095
CPC分类号： G11B7/094 , G11B7/0941
摘要： A device with an optical disk drive with a digital servo system for controlling tracking or focus in an optical disk driver is presented. A servo system according to the present invention includes an optical pick-up with detectors providing optical signals, an analog processor receiving the optical signals and providing a digital signal, and digital processors receiving the digital signal and providing a control signal that controls the position of the optical pick-up unit. The digital processor executes an algorithm that calculates an error signal, provides amplification and biasing to the error signal, provides filtering for the error signal, and computes the control signal. The error signal can be the focus error signal or the tracking error signal. The device can be any device.
摘要翻译：本发明提供一种具有数字伺服系统的光盘驱动器，用于控制光盘驱动器中的跟踪或聚焦。根据本发明的伺服系统包括具有提供光信号的检测器的光学拾取器，接收光信号并提供数字信号的模拟处理器，以及接收数字信号的数字处理器，并提供控制信号，光学拾取单元。数字处理器执行计算误差信号的算法，提供误差信号的放大和偏置，为误差信号提供滤波，并计算控制信号。误差信号可以是聚焦误差信号或跟踪误差信号。该设备可以是任何设备。

9. 发明授权

US06809995B2 Digital focus and tracking servo system 有权
标题翻译：数字对焦跟踪伺服系统
公开(公告)号：US06809995B2
公开(公告)日：2004-10-26
申请号：US09950516
申请日：2001-09-10
申请人： Ron J. Kadlec , Charles R. Watt , Christopher J. Turner , Hans B. Wach
发明人： Ron J. Kadlec , Charles R. Watt , Christopher J. Turner , Hans B. Wach
IPC分类号： G11B700
CPC分类号： G11B7/0941
摘要： A digital servo system for controlling tracking or focus in an optical disk driver is presented. A servo system according to the present invention includes an optical pick-up with detectors providing optical signals, an analog processor receiving the optical signals and providing a digital signal, and digital processors receiving the digital signal and providing a control signal that controls the position of the optical pick-up unit. The digital processor executes an algorithm that calculates an error signal, provides amplification and biasing to the error signal, provides filtering for the error signal, and computes the control signal. The error signal can be the focus error signal or the tracking error signal.
摘要翻译：提出了一种用于控制光盘驱动器中的跟踪或聚焦的数字伺服系统。根据本发明的伺服系统包括具有提供光信号的检测器的光学拾取器，接收光信号并提供数字信号的模拟处理器，以及接收数字信号的数字处理器，并提供控制信号，光学拾取单元。数字处理器执行计算误差信号的算法，提供误差信号的放大和偏置，为误差信号提供滤波，并计算控制信号。误差信号可以是聚焦误差信号或跟踪误差信号。

10. 发明授权

US06906985B2 Calibration of tracking error signal gain in a tracking servo system 失效
标题翻译：追踪伺服系统跟踪误差信号增益的校准
公开(公告)号：US06906985B2
公开(公告)日：2005-06-14
申请号：US09950520
申请日：2001-09-10
申请人： Ron J. Kadlec , Charles R. Watt , Hans B. Wach , Christopher J. Turner
发明人： Ron J. Kadlec , Charles R. Watt , Hans B. Wach , Christopher J. Turner
IPC分类号： G11B7/00 , G11B7/09 , G11B7/095
CPC分类号： G11B7/0945 , G11B7/0901 , G11B7/0941
摘要： A calibration for a tracking error signal gain in a tracking servo system of an optical disk drive is presented. The calibration determines the peak-to-peak tracking error signal when the tracking servo system is open, calculates a gain factor in response to the peak-to-peak tracking error signal, and calculates a new tracking error signal gain based on the tracking error signal gain and the gain factor. New tracking error signal gains are calculated until the gain factor is approximately one.
摘要翻译：提出了在光盘驱动器的跟踪伺服系统中跟踪误差信号增益的校准。当跟踪伺服系统打开时，校准确定峰 - 峰跟踪误差信号，响应于峰 - 峰跟踪误差信号计算增益因子，并根据跟踪误差计算新的跟踪误差信号增益信号增益和增益因子。计算新的跟踪误差信号增益，直到增益因子大约为1。

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