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公开(公告)号：US20230230616A1
公开(公告)日：2023-07-20
申请号：US17577300
申请日：2022-01-17
发明人： Brian Johnson , Jaesoo Byoun , Gaku Ikedo , Hideaki Ito , Naoyuki Kagami
CPC分类号： G11B19/2063 , G11B19/22 , G11B19/26
摘要： A data storage device has a closed loop extended park mode during spin down operation. A data storage device comprises a spindle motor configured to rotate one or more disks, and one or more processing devices. The one or more processing devices are configured to determine a value of current that is discharged from the spindle motor over time during a spin down of the spindle motor, and control a braking duty cycle for braking the spindle motor during the spin down such that the value of current discharged from the spindle motor over time does not exceed a selected current limit.
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公开(公告)号：US20160365109A1
公开(公告)日：2016-12-15
申请号：US14739157
申请日：2015-06-15
申请人： Quanta Computer Inc.
发明人： Yung-Fu LI
CPC分类号： G11B19/209 , G06F3/0625 , G06F3/0634 , G06F3/0676 , G11B19/2054 , G11B19/2081 , G11B19/26 , G11B19/28 , Y02D10/154
摘要： Embodiments generally relate to data storage in a computing system. The present technology discloses techniques that that can enable an optimized mechanism to change spinning speed of data storage disk drives. The present technology can use a service controller, e.g. a Baseboard Management Device (BMC), to communicate with a disk controller to change the spinning speed of disk drives. The present technology can improve energy efficiency by efficiently controlling the spinning speed of disk drives. It can also reduce data access latency by promptly spinning up a disk from a spun-down state.
摘要翻译： 实施例通常涉及计算系统中的数据存储。 本技术公开了能够实现优化的机制来改变数据存储盘驱动器的旋转速度的技术。 本技术可以使用服务控制器，例如 基板管理设备（BMC），用于与磁盘控制器进行通信，以更改磁盘驱动器的转速。 本技术可以有效控制磁盘驱动器的旋转速度，从而提高能效。 它也可以通过及时将磁盘从脱机状态旋转来减少数据访问延迟。
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3.发明授权Data storage device employing spindle motor driving profile during seek to improve power performance 有权数据存储装置在寻求提高功率性能的过程中采用主轴电机驱动轮廓公开(公告)号：US09424868B1
公开(公告)日：2016-08-23
申请号：US14740098
申请日：2015-06-15
发明人： Michael Troy Nicholls , Wei Xi , Jie Wan , Jie Yu , Jun Xu , Danny J. Kastler
CPC分类号： G11B5/5582 , G11B5/5547 , G11B19/22 , G11B19/26
摘要： A data storage device is disclosed comprising a spindle motor configured to rotate a disk, wherein the spindle motor comprises a plurality of windings, and a head actuated over the disk. The windings of the spindle motor are commutated based on a commutation sequence while applying a periodic driving voltage to each winding. During a seek operation to seek the head a seek length, an amplitude of the periodic driving voltage is adjusted according to a driving profile corresponding to the seek length, wherein the driving profile compensates for a power disturbance during the seek operation.
摘要翻译： 公开了一种数据存储装置，其包括被配置为旋转盘的主轴电动机，其中所述主轴电动机包括多个绕组，以及在所述盘上致动的磁头。 主轴电动机的绕组基于换向顺序进行换向，同时向每个绕组施加周期性的驱动电压。 在寻找寻道长度的寻道操作期间，根据与寻道长度对应的驱动曲线来调整周期性驱动电压的幅度，其中驱动轮廓补偿寻道操作期间的功率扰动。
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公开(公告)号：US08279730B2
公开(公告)日：2012-10-02
申请号：US12971141
申请日：2010-12-17
申请人： Akinori Yuba
发明人： Akinori Yuba
IPC分类号： G11B7/00
CPC分类号： G11B19/042 , G11B19/26 , G11B19/28
摘要： An optical disc apparatus for performing both the operation of writing data on an optical disc and the operation of reading data that is stored on the optical disc includes a motor for rotating the optical disc, an optical pickup, which irradiates the optical disc with a light beam and detects the light that has been reflected from the optical disc, an evaluation section for obtaining an indicative parameter of the distortion of a signal waveform representing the light reflected from a data stored part on the optical disc while the optical disc is being rotated by the motor, and a control section for changing the number of revolutions of the optical disc Per unit time if a variation in the indicative parameter of the distortion per rotation of the optical disc exceeds a threshold value while the optical disc is being rotated by the motor.
摘要翻译： 一种用于执行在光盘上写入数据的操作和读取存储在光盘上的数据的操作的光盘装置包括：用于旋转光盘的电动机，用光照射光盘的光学拾取器 光束并检测从光盘反射的光，评估部分，用于在光盘旋转期间获得表示从光盘上的数据存储部分反射的光的信号波形的失真的指示参数 电动机以及控制部分，用于当光盘由电动机旋转时光盘的每次旋转指示参数的指示参数的变化超过阈值时，每单位时间改变光盘的转数 。
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5.发明申请公开(公告)号：US20110299371A1
公开(公告)日：2011-12-08
申请号：US13202434
申请日：2010-12-17
申请人： Tsuyoshi Nakasendo , Masaru Yamaoka , Yuji Takagi , Makoto Usui
发明人： Tsuyoshi Nakasendo , Masaru Yamaoka , Yuji Takagi , Makoto Usui
CPC分类号： G11B20/10009 , G11B7/0045 , G11B7/00736 , G11B19/26 , G11B20/00086 , G11B20/00115 , G11B20/00594 , G11B20/10027 , G11B20/1024 , G11B2220/2541 , G11B2220/2562
摘要： To provide an optical disk device, an optical disk control method and an integrated circuit, which are capable of writing a recordable mark by changing the reflectance ratio of a reflective film formed on concave-convex pits without using an industrial special device or a high-power laser light source. A data reproduction controller (103) sets a first rotation speed in a disk rotation speed switching unit (108) and a first laser power in a laser power switching unit (107) when reproducing the concave-convex pits. When writing the recordable mark, a mark recording controller (104) sets in the disk rotation speed switching unit (108) a second rotation speed that is slower than the first rotation speed and the lowest rotation speed at which the concave-convex pits can be reproduced, and sets a second laser power greater than the first laser power in the laser power switching unit (107) in accordance with the emission timing.
摘要翻译： 为了提供一种光盘装置，光盘控制方法和集成电路，其能够通过改变形成在凹凸坑上的反射膜的反射率而写入可记录标记，而不使用工业专用装置或高速数据， 功率激光光源。 数据再现控制器（103）在再现凹凸坑时，在盘旋转速度切换单元（108）中设置第一旋转速度和激光功率切换单元（107）中的第一激光功率。 当写入可记录标记时，标记记录控制器（104）在盘转速切换单元（108）中设置比第一转速慢的凹部凹坑的最低转速和第二转速 根据发射定时，在激光功率切换单元（107）中再现并设定大于第一激光功率的第二激光功率。
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公开(公告)号：US08049985B2
公开(公告)日：2011-11-01
申请号：US12364952
申请日：2009-02-03
CPC分类号： G11B19/28 , G11B19/042 , G11B19/044 , G11B19/045 , G11B19/046 , G11B19/26
摘要： In a particular embodiment, a system is disclosed that includes a solid-state data storage medium, a disc data storage medium, and a controller adapted to selectively adjust a spindle speed associated with the disc data storage medium and a buffer size associated with the solid-state data storage medium responsive to a trigger.
摘要翻译： 在特定实施例中，公开了一种系统，其包括固态数据存储介质，盘数据存储介质和适于选择性地调节与盘数据存储介质相关联的主轴速度的控制器以及与固体相关联的缓冲器大小 状态数据存储介质响应于触发。
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公开(公告)号：US20100315920A1
公开(公告)日：2010-12-16
申请号：US12778285
申请日：2010-05-12
申请人： Chih-Hsiung HUA , Ing-Ming LEE
发明人： Chih-Hsiung HUA , Ing-Ming LEE
摘要： An external optical disc drive, connected to a bus from which a supplying voltage and a supplying current are outputted, includes: a voltage detector connected to the bus for receiving and detecting the supplying voltage; a digital signal processor connected to the voltage detector; a motor driver connected to the digital signal processor; and a spindle motor connected to the motor driver; wherein a speed-control signal, for informing the digital signal processor to lower the speed of the spindle motor via the motor driver, is outputted to the digital signal processor from the voltage detector while the supplying voltage is detected lower than a threshold voltage.
摘要翻译： 连接到从其输出供电电压和供电电流的总线的外部光盘驱动器包括：连接到总线的电压检测器，用于接收和检测供电电压; 连接到电压检测器的数字信号处理器; 连接到数字信号处理器的电机驱动器; 和连接到所述马达驱动器的主轴马达; 其中，当检测到所述供给电压低于阈值电压时，用于通知所述数字信号处理器经由所述电动机驱动器降低所述主轴电机的速度的速度控制信号从所述电压检测器输出到所述数字信号处理器。
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8.发明授权公开(公告)号：US07800995B2
公开(公告)日：2010-09-21
申请号：US11131216
申请日：2005-05-18
申请人： Jum Yong Cho
发明人： Jum Yong Cho
摘要： A method and apparatus for controlling reproduction speed of an optical disk are provided. The method for controlling reproduction speed of an optical disk includes checking whether a read command has been received, and examining whether the received read command is intended for performance evaluation based on the number of backward track jumps of a laser beam irradiated on the optical disk. The method and apparatus for controlling reproduction speed of an optical disk provide designed read performance when an external host executes a performance test.
摘要翻译： 提供了一种用于控制光盘的再现速度的方法和装置。 用于控制光盘的再现速度的方法包括检查是否已经接收到读取命令，并且基于照射在光盘上的激光束的反向轨道跳跃的次数来检查接收到的读取命令是否用于性能评估。 用于控制光盘的再现速度的方法和装置在外部主机执行性能测试时提供设计的读取性能。
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9.再颁专利公开(公告)号：USRE41469E1
公开(公告)日：2010-08-03
申请号：US10899424
申请日：2004-07-27
IPC分类号： G11B11/00
CPC分类号： G11B7/0079 , G11B7/0037 , G11B7/007 , G11B19/00 , G11B19/26 , G11B19/28 , G11B20/10 , G11B20/1258 , G11B20/1403 , G11B2020/10981
摘要： An optical disk apparatus comprising a reproduced signal detector which digitizes a reproduced signal from an optical disk, a broadband synchronizing clock signal generator for generating a synchronizing clock signal for use in reproducing data, a signal processor for processing signals, and a disk rotation controller for controlling the optical disk by switching control modes according to the reproducing position of the disk, that is, performing CAV control using the constant rotating velocity which is the same as the current rotating velocity in a range where the synchronizing clock signal generator allows a reproduced signal to be subjected to pull-in-synchronization, and performing CLV control so that the linear velocity is constant to minimize the pull-in-enable changes of number of revolutions in a range exceeding the pull-in-synchronization range, by which arrangement the amount of change of number of spindle motor revolutions when the reproducing position of the optical pickup changes is minimized, thus further reducing power consumption and access time. The optical disk apparatus comprises a selector to switch over the control systems, and area dividing means to manage the divided areas, and while switching over CAV control and CLV control, records data, and varies the divided areas or the number of divided areas in CAV control according to recording capacities, so that lower power consumption and higher-speed access can be realized.
摘要翻译： 一种光盘装置，包括：数字化来自光盘的再现信号的再现信号检测器;用于产生用于再现数据的同步时钟信号的宽带同步时钟信号发生器;用于处理信号的信号处理器;以及盘旋转控制器， 通过根据盘的再现位置切换控制模式来控制光盘，即，在同步时钟信号发生器允许再现信号的范围内，使用与当前旋转速度相同的恒定旋转速度进行CAV控制 进行拉入同步，并执行CLV控制，使得线速度恒定，以使超过拉入同步范围的范围内的转数的拉入使能变化最小化，由此布置 当光学拾取器的再现位置时主轴电动机转数的变化量 变化最小化，从而进一步降低功耗和访问时间。 光盘装置包括切换控制系统的选择器和用于管理分割区域的区域划分装置，并且在切换CAV控制和CLV控制时，记录数据，并且改变CAV中的分割区域或分割区域的数量 根据记录容量进行控制，可实现更低的功耗和更高速的存取。
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10.发明授权公开(公告)号：US07672205B2
公开(公告)日：2010-03-02
申请号：US10963733
申请日：2004-10-14
申请人： Ki Yeol Lee
发明人： Ki Yeol Lee
IPC分类号： G11B7/00
CPC分类号： G11B19/12 , G11B19/26 , G11B20/10527
摘要： A method is provided for variably controlling a data read speed in an optical disc drive. The method includes determining whether or not a read command has been issued; if the determining step determines that the read command has been issued, examining additional information associated with the read command; and variably controlling a data read speed for an optical disc according to the additional information.
摘要翻译： 提供了一种用于可变地控制光盘驱动器中的数据读取速度的方法。 该方法包括确定读命令是否已被发出; 如果确定步骤确定已经发出读取命令，则检查与读取命令相关联的附加信息; 并且根据附加信息可变地控制光盘的数据读取速度。
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