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1. 发明授权

US07119981B2 Method and apparatus for tracking radially-dependent repeatable run-out 有权
公开(公告)号：US07119981B2
公开(公告)日：2006-10-10
申请号：US10184702
申请日：2002-06-28
申请人： Reed D. Hanson , Nathaniel B. Wilson , John C. Morris , Timothy F. Ellis
发明人： Reed D. Hanson , Nathaniel B. Wilson , John C. Morris , Timothy F. Ellis
IPC分类号： G11B5/596 , G11B5/55
CPC分类号： G11B5/5534 , G11B5/59627
摘要： An apparatus and method for tracking radially-dependent repeatable run-out in a disc drive having a servo loop for positioning a head over a rotating disc is provided. The disc includes multiple tracks. Radially-dependent repeatable run-out control components for at least a subset of the multiple tracks are first determined. Data representative of the radially-dependent repeatable run-out control components for the subset of the multiple tracks is then stored. The stored data representative of the radially-dependent repeatable run-out control components is retrieved before settling on the target track, and subsequently used to follow the selected track.

2. 发明授权

US06744589B2 Single-sided unipolar device driver for a piezoelectric transducer in a disc drive 失效
标题翻译：用于光盘驱动器中压电换能器的单面单极器件驱动器
公开(公告)号：US06744589B2
公开(公告)日：2004-06-01
申请号：US09847758
申请日：2001-05-02
申请人： John C. Morris , Reed D. Hanson
发明人： John C. Morris , Reed D. Hanson
IPC分类号： G11B5596
CPC分类号： G11B5/5552
摘要： A disc drive including a rotatable data track, a dual-stage actuator with a primary actuator motor supporting an actuator arm, a read/write head supported by the actuator arm and communicating with a secondary actuator motor, and steps for controlling range of motion of the secondary actuator motor. The controlling steps include supplying and sustaining a bias signal to a single-sided unipolar device driver that then apply a bias voltage the secondary actuator motor to induce the secondary actuator motor to expand substantially one half of its expansion capabilities. And, confining correction signals provided by a control circuit of the disc drive, used in correcting mechanical position of the secondary actuator motor, to a voltage ranging substantially between a positive “+” and negative “−” voltage substantially equal to the applied bias voltage.
摘要翻译：包括可旋转数据轨道的磁盘驱动器，具有支持致动器臂的主执行器电动机的双级致动器，由致动器臂支撑并与辅助致动器电动机连通的读/写头以及用于控制运动范围的步骤二次执行器电机。控制步骤包括向单面单极器件驱动器提供和维持偏置信号，然后施加偏置电压次级致动器电动机以使二次致动器电动机基本上扩大其扩展能力的一半。并且，将用于校正次级致动器电动机的机械位置的盘驱动器的控制电路提供的校正信号限制在基本上等于所施加的偏置电压的正“+”和“负”电压之间的电压。

3. 发明申请

US20080100953A1 Feedforward compensator for induced vibration 有权
标题翻译：引起振动的前馈补偿器
公开(公告)号：US20080100953A1
公开(公告)日：2008-05-01
申请号：US11586202
申请日：2006-10-25
申请人： Raye Abdoulie Sosseh , John C. Morris
发明人： Raye Abdoulie Sosseh , John C. Morris
IPC分类号： G11B5/596
CPC分类号： G11B19/048 , G11B5/5582 , G11B5/596 , G11B19/042
摘要： A feedforward compensator for induced vibration is disclosed. Controlled motions in an actuator induce mechanical disturbances in a surrounding cabinet. The feedforward compensator allows such disturbances to be compensated for without the need of a vibration sensor. The compensator provides a feedforward compensation signal configured to compensate for a mechanical disturbance predicted to be induced by a controlled motion of the actuator, and applies the feedforward compensation signal to a signal that controls the motion of the actuator.
摘要翻译：公开了一种用于感应振动的前馈补偿器。执行器中的受控运动引起周围机柜内的机械扰动。前馈补偿器允许补偿这种干扰，而不需要振动传感器。补偿器提供前馈补偿信号，其被配置为补偿由致动器的受控运动引起的机械扰动，并将前馈补偿信号施加到控制致动器运动的信号。

4. 发明授权

US06741417B2 Plant variation compensation for piezoelectric microactuator in dual-stage servo of disc drives 有权
标题翻译：光盘驱动器双级伺服压电微致动器的植物变异补偿
公开(公告)号：US06741417B2
公开(公告)日：2004-05-25
申请号：US09827821
申请日：2001-04-06
申请人： Yi-Ping Hsin , John C. Morris
发明人： Yi-Ping Hsin , John C. Morris
IPC分类号： G11B5596
CPC分类号： G11B5/5552
摘要： A method and system for providing plant variation compensation for a microactuator in a dual-stage servomechanism of a disc drive. The method includes performing indirect adaptive filtering to identify plant variation in the microactuator, and tuning a compensator for the microactuator based on the plant variation. The indirect adaptive filtering can be performed using a two-stage process, including a first stage of adaptive modeling for the dual-stage servomechanism and a second stage of generating an indirect mode-reference inverse for the microactuator. A combined process can alternatively be employed. The microactuator can be a piezoelectric microactuator which forms a PZT system. The dual-stage servomechanism also includes a coarse actuator such as a voice coil motor.
摘要翻译：一种用于在盘驱动器的双级伺服机构中为微致动器提供植物变异补偿的方法和系统。该方法包括执行间接自适应滤波以识别微致动器中的植物变化，以及基于植物变化调整微致动器的补偿器。间接自适应滤波可以使用两阶段过程进行，包括用于双级伺服机构的自适应建模的第一阶段和为微型致动器产生间接模式参考反向的第二阶段。也可以采用组合方法。微致动器可以是形成PZT系统的压电微致动器。双级伺服机构还包括诸如音圈电机之类的粗致动器。

5. 发明授权

US6101058A Method of implementing a linear discrete-time state-space servo control system on a fixed-point digital signal processor in a disc drive 失效
标题翻译：在盘驱动器中的定点数字信号处理器上实现线性离散时间状态空间伺服控制系统的方法
公开(公告)号：US6101058A
公开(公告)日：2000-08-08
申请号：US26457
申请日：1998-02-19
申请人： John C. Morris
发明人： John C. Morris
IPC分类号： G05B5/01 , G05B13/04 , G05B21/02 , G11B5/55 , G11B5/596 , G11B19/28 , G11B21/10 , G11B15/18
CPC分类号： G11B21/106 , G05B13/042 , G05B21/02 , G05B5/01 , G11B19/28 , G11B5/5552 , G11B5/5582 , G11B5/59605 , G11B5/59627
摘要： A method of implementing a model based servo controller in a digital signal processor in a disc drive includes obtaining matrices for a discrete-time state-space realization of the servo controller. Controller states of the controller are scaled to reduce a worst case bound on the controller states. The controller states are transformed to a desired format which reduces a number of required mathematical operations. Further, the matrices are converted to fixed point format.
摘要翻译：在盘驱动器中的数字信号处理器中实现基于模型的伺服控制器的方法包括获得用于伺服控制器的离散时间状态空间实现的矩阵。控制器的控制器状态被缩放以减少对控制器状态的限制的最坏情况。控制器状态被转换成期望的格式，其减少了所需的数学运算的数量。此外，矩阵被转换为固定点格式。

6. 发明授权

US5221719A Blends of poly (ethylene terephthalate) and trans-4,4'-stilbenedicarboxylic acid polyesters 失效
标题翻译：聚（对苯二甲酸乙二醇酯）和反式-4,4'-二苯乙烯二羧酸聚酯的共混物
公开(公告)号：US5221719A
公开(公告)日：1993-06-22
申请号：US670551
申请日：1991-03-15
申请人： John C. Morris , Winston J. Jackson, Jr.
发明人： John C. Morris , Winston J. Jackson, Jr.
IPC分类号： C08J5/18 , C08L67/02 , C08L67/06
CPC分类号： C08J5/18 , C08L67/02 , C08L67/06 , C08J2367/02 , Y10S525/933
摘要： Disclosed are blends of about 99 to about 10 weight % of poly(ethylene terephthalate) and about 1 to about 90 weight % of a polyester of trans-4,4'-stilbenedicarboxylic acid and at least one aliphatic glycol having 2 to 16 carbon atoms. The blends have improved gas barrier properties and improved chemical resistance.
摘要翻译：公开了约99至约10重量％的聚对苯二甲酸乙二醇酯和约1至约90重量％的反-4,4'-二苯乙烯二羧酸和至少一种具有2至16个碳原子的脂族二醇的聚酯的共混物。共混物具有改善的阻气性和改善的耐化学性。

7. 发明授权

US5037947A Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,6-hexanediol and 1,4-butanediol 失效
标题翻译：来自4,4'-联苯二羧酸，1,6-己二醇和1,4-丁二醇的共聚酯
公开(公告)号：US5037947A
公开(公告)日：1991-08-06
申请号：US473017
申请日：1990-01-31
申请人： John C. Morris , Winston J. Jackson, Jr.
发明人： John C. Morris , Winston J. Jackson, Jr.
IPC分类号： C08G63/185
CPC分类号： C08G63/185 , Y10S525/905 , Y10S525/906
摘要： Disclosed are copolyesters comprising an acid component of 4,4'-biphenyldicarboxylic acid and a glycol component comprising 1,6-hexanediol and 1,4-butanediol. The copolyesters exhibit unusually high tensile strengths.
摘要翻译：公开了包含4,4'-联苯二羧酸的酸组分和包含1,6-己二醇和1,4-丁二醇的二醇组分的共聚酯。共聚酯表现出非常高的拉伸强度。

8. 发明授权

US4919118A Motion limiter for short leg walker 失效
标题翻译：短腿步行者的运动限制器
公开(公告)号：US4919118A
公开(公告)日：1990-04-24
申请号：US394398
申请日：1989-08-14
申请人： John C. Morris
发明人： John C. Morris
IPC分类号： A61F5/01
CPC分类号： A61F5/0195 , A61F5/0127
摘要： A motion limiter (2) for use with a short leg walker (4) includes a threaded shaft (20) passing freely through a hole (42) in a sliding block or guide (36) that is pivotally attached preferably to an upper part (6) of the walker. The lower end (28) of the shaft is preferably pivotally mounted in a recess (34) in the lower portion (10) of the walker and the remainder of the shaft is free to slide within the hole in the sliding block within a recess (26) in the upper part of the walker. The position of stop members (64, 68), threaded to the shaft above and below the block, determine the amount or fraction of the shaft permitted to pass through the hole in the sliding block. As the stop members are positioned along the shaft relatively far apart from one another, a greater length of the threaded shaft is permitted to pass through the sliding block, thereby increasing the range of motion of the walker. Conversely, as the stop members are moved relatively closer together, the range of motion decreases. If the stop members are positioned so as to abut the sliding block, no range of motion is permitted. The stop members may be positioned by a user without using tools.
摘要翻译：用于短腿步行器（4）的运动限制器（2）包括螺纹轴（20），其自由地穿过滑动块或引导件（36）中的孔（42），所述滑动块或引导件优选枢转地附接到上部 6）的步行者。轴的下端（28）优选地枢转地安装在助行器的下部（10）中的凹部（34）中，并且轴的其余部分在凹部内的滑动块的孔内自由滑动（ 26）在步行者的上部。在块体上方和下方螺纹连接到轴上的止动构件（64,68）的位置确定允许通过滑块中的孔的轴的数量或分数。当止动构件沿着相对远离彼此的轴定位时，允许螺纹轴的较大长度通过滑动块，从而增加助行器的运动范围。相反，随着停止构件相对移动得较近，运动范围减小。如果止动构件被定位成抵靠滑动块，则不允许运动范围。停止构件可以由用户定位而不使用工具。

9. 发明授权

US4914179A Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol and ethylene glycol 失效
标题翻译：来自4,4'-联苯二羧酸，1,4-环己烷二甲醇和乙二醇的共聚酯
公开(公告)号：US4914179A
公开(公告)日：1990-04-03
申请号：US288901
申请日：1988-12-23
申请人： John C. Morris , Winston J. Jackson, Jr.
发明人： John C. Morris , Winston J. Jackson, Jr.
IPC分类号： C08G63/185
CPC分类号： C08G63/185
摘要： Disclosed are copolyesters comprising an acid component of 4,4'-biphenyldicarboxylic acid and a glycol component comprising 1,4-cyclohexanedimethanol and ethylene glycol. The copolyesters exhibit unusually high tensile strength.
摘要翻译：公开了包含4,4'-联苯二羧酸的酸组分和包含1,4-环己烷二甲醇和乙二醇的二醇组分的共聚酯。共聚酯表现出非常高的拉伸强度。

10. 发明授权

US4163546A Apparatus for applying granular refractory material to surfaces 失效
$Apparatus for applying granular refractory material to surfaces$
标题翻译：用于将颗粒状耐火材料施加到表面的装置
公开(公告)号：US4163546A
公开(公告)日：1979-08-07
申请号：US883731
申请日：1978-03-06
申请人： John C. Morris , James K. Weidman , Michael D. Prior
发明人： John C. Morris , James K. Weidman , Michael D. Prior
IPC分类号： B05B3/14 , F27D1/16 , B05B3/00
CPC分类号： B05B3/14 , F27D1/1642
摘要： Our improved nozzle mounting comprises a support member for the nozzle secured to the projecting end of the innermost or granular material carrying conduit. The nozzle is mounted on a horizontally disposed pivot, carried by said support member. Granular material is conveyed from the lower end of the granular conveying pipe to the nozzle through a flexible member and water is supplied to the mixing nozzle by means of a flexible water pipe or hose. Our improved mixing nozzle mounting is simpler in construction than the one shown in our aforesaid patent and hence is cheaper to construct and maintain inasmuch as we have eliminated various rotary seals, gears and the like.
摘要翻译：我们改进的喷嘴安装件包括用于喷嘴的支撑构件，该支撑构件固定到最内部或颗粒材料承载导管的突出端。喷嘴安装在由所述支撑构件承载的水平设置的枢轴上。颗粒材料通过柔性构件从颗粒输送管的下端输送到喷嘴，水通过柔性水管或软管供应到混合喷嘴。我们改进的混合喷嘴安装比我们上述专利中所示的更简单，因此构造和维护便宜，因为我们已经消除了各种旋转密封件，齿轮等。

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