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公开(公告)号：US07990649B2
公开(公告)日：2011-08-02
申请号：US12505439
申请日：2009-07-17
CPC分类号： G11B15/602 , G11B5/0083 , G11B5/584 , G11B5/78 , G11B15/62
摘要： A method is presented for setting a wrap angle of a read/write head having a servo element and multiple read elements, where the servo element and the read elements can detect a servo signal. The method includes moving a sequential information storage medium having a longitudinal axis and a servo band encoded therein adjacent to the read/write head. The longitudinal axis and a flat upper surface of the read write head define the wrap angle. The method further includes detecting the servo signal using one of the read elements. If the read element is unable to detect the servo signal, then the remaining read elements are sensed to detect the servo signal.
摘要翻译： 提出了一种用于设置具有伺服元件和多个读取元件的读/写头的包角的方法，其中伺服元件和读取元件可以检测伺服信号。 该方法包括移动具有与读/写头相邻编码的纵轴和伺服带的顺序信息存储介质。 读写头的纵向轴线和平坦的上表面限定了包角。 该方法还包括使用读取元件之一来检测伺服信号。 如果读取元件不能检测到伺服信号，则检测剩余的读取元件以检测伺服信号。
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公开(公告)号：US20090201603A1
公开(公告)日：2009-08-13
申请号：US12028676
申请日：2008-02-08
IPC分类号： G11B5/584
CPC分类号： G11B5/584
摘要： In one embodiment, a tape read/write head supported by a lever is biased in a first position, using magnetic attraction between a magnet supported by the lever, and a return path structure of magnetically permeable material. In the illustrated embodiment, the magnet centers itself, in the absence of a coil generated magnetic field, in the middle of a gap of the magnetic return path structure. In one aspect, the mass of the read/write head and one side of the lever may be balanced by the mass of the magnet and the other side of the lever. The lever and hence the tape read/write head carried by the lever, may be pivoted by conducting current through a coil to generate a magnetic field which is conducted by the return path structure to interact with the magnetic field of the magnet. As a consequence, the lever pivots on a pivot axis as a function of the magnitude and direction of the current through the coil. The face of the magnet may be divided into portions of opposite magnetic polarity to facilitate a relatively pure torque to be developed substantially without a net force. Other embodiments are described and claimed.
摘要翻译： 在一个实施例中，由杠杆支撑的磁带读/写磁头通过使用由杠杆支撑的磁体之间的磁吸引力和导磁材料的返回路径结构而被偏置在第一位置。 在所示的实施例中，磁体在没有线圈产生的磁场的情况下自身中心位于磁返回路径结构的间隙的中间。 在一个方面，读/写头的质量和杠杆的一侧可以由磁体的质量和杠杆的另一侧平衡。 由杠杆承载的杆和因此的带读/写头可以通过传导电流通过线圈来枢转，以产生由返回路径结构传导以与磁体的磁场相互作用的磁场。 因此，杠杆作为通过线圈的电流的大小和方向的作用在枢轴上枢转。 磁体的表面可以被分成相反磁极的部分，以促进基本上没有净力显着地发展相对纯的扭矩。 描述和要求保护其他实施例。
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公开(公告)号：US09059658B2
公开(公告)日：2015-06-16
申请号：US12202854
申请日：2008-09-02
申请人： Allen Keith Bates , Nhan Xuan Bui , Reed Alan Hancock , Wayne Isami Imaino , Daniel James Winarski
发明人： Allen Keith Bates , Nhan Xuan Bui , Reed Alan Hancock , Wayne Isami Imaino , Daniel James Winarski
摘要： An apparatus for controlling an electric motor is provided. A plurality of switches is provided for controlling a direction of current through motor coils of the electric motor. A brushless motor control circuit is connected to each of the plurality of switches. Responsive to a request to adjust one of an angular velocity and an angular acceleration of the electric motor, the plurality of switches are activated to place the motor coils in a predetermined configuration to maximize torque or reduce a total back electromotive force (BEMF) from the motor coils.
摘要翻译： 提供一种用于控制电动机的装置。 提供多个开关，用于控制电动机的电动机线圈的电流方向。 无刷电机控制电路连接到多个开关中的每一个。 响应于调整电动机的角速度和角加速度之一的请求，多个开关被激活，以将电动机线圈放置在预定的配置中以使转矩最大化或者减小总反向电动势（BEMF） 电机线圈。
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34.发明授权公开(公告)号：US08988031B2
公开(公告)日：2015-03-24
申请号：US13614915
申请日：2012-09-13
CPC分类号： H02P25/18 , H02P23/20 , H02P25/188 , H02P27/08
摘要： A calculation function, which optimizes a dynamic reconfiguration-switching of motor windings between winding-configurations, is dynamically configured. Acceleration is traded off in favor of higher velocity upon detecting the electric motor is at an optimal angular-velocity for switching to an optimal lower torque constant and voltage constant. The total back electromotive force (BEMF) is prohibited from inhibiting further acceleration to a higher angular-velocity.
摘要翻译： 动态配置了优化绕组配置之间电动机绕组的动态重新配置切换的计算功能。 在检测到电动机处于最佳角速度以切换到最佳的较低转矩常数和电压常数时，加速度被偏离为有利于更高的速度。 总反向电动势（BEMF）被禁止禁止进一步加速到更高的角速度。
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35.发明授权Dynamic reconfiguration-switching of windings in an electric motor in an electric vehicle 有权在电动车辆中的电动机中的绕组的动态重新配置切换公开(公告)号：US08981696B2
公开(公告)日：2015-03-17
申请号：US13614925
申请日：2012-09-13
摘要： Dynamic reconfiguration-switching of motor windings in an electric motor in an electric vehicle is optimized between winding-configurations. Acceleration is traded off in favor of higher velocity upon detecting the electric motor in the electric vehicle is at an optimal angular-velocity for switching to an optimal lower torque constant and voltage constant. The total back electromotive force (BEMF) is prohibited from inhibiting further acceleration to a higher angular-velocity.
摘要翻译： 在电动车辆中的电动机中的电动机绕组的动态重新配置切换在绕组配置之间被优化。 在检测到电动车辆中的电动机处于最佳角速度以切换到最佳的较低转矩常数和电压常数的情况下，有利于较高速度的加速度被消除。 总反向电动势（BEMF）被禁止禁止进一步加速到更高的角速度。
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36.发明授权公开(公告)号：US08981695B2
公开(公告)日：2015-03-17
申请号：US13614905
申请日：2012-09-13
摘要： Dynamic reconfiguration-switching of motor windings is optimized between winding-configurations. Acceleration is traded off in favor of higher velocity upon detecting a brushless DC motor is at an optimal angular-velocity for switching to an optimal lower torque constant and voltage constant. The total back electromotive force (BEMF) is prohibited from inhibiting further acceleration to a higher angular-velocity.
摘要翻译： 电机绕组的动态重新配置切换在绕组配置之间进行了优化。 在检测到无刷直流电动机处于最佳角速度以切换到最佳的较低转矩常数和电压常数的情况下，加速度被偏移以支持更高的速度。 总反向电动势（BEMF）被禁止禁止进一步加速到更高的角速度。
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公开(公告)号：US08963469B2
公开(公告)日：2015-02-24
申请号：US13614887
申请日：2012-09-13
摘要： Dynamic reconfiguration-switching of motor windings is optimized between winding-configurations. Acceleration is traded off in favor of higher velocity upon detecting an electric motor is at an optimal angular-velocity for switching to an optimal lower torque constant and voltage constant. The total back electromotive force (BEMF) is prohibited from inhibiting further acceleration to a higher angular-velocity.
摘要翻译： 电机绕组的动态重新配置切换在绕组配置之间进行了优化。 在检测到电动机处于最佳角速度以切换到最佳的较低转矩常数和电压常数时，加速度被偏移以支持更高的速度。 总反向电动势（BEMF）被禁止禁止进一步加速到更高的角速度。
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公开(公告)号：US20140063642A1
公开(公告)日：2014-03-06
申请号：US13600649
申请日：2012-08-31
IPC分类号： G11B15/48
摘要： Tape media life is increased by dynamically controlling a turn around point (TAP) on the tape media for either an end of a tape wrap or a directional change from a first longitudinal position tape section to a second longitudinal position tape section for reducing damage to the tape media caused by debris by monitoring the TAP for all tape media motion and adjusting tape deceleration for maintaining the TAP to be located at the second longitudinal position tape section.
摘要翻译： 磁带介质寿命通过动态地控制磁带介质上的转向点（TAP）来增加磁带的一端或从第一纵向位置带段到第二纵向位置带段的方向改变，以减少对 通过监测所有胶带介质运动的TAP以及调节胶带减速度来保持TAP位于第二纵向位置带部分，由碎片引起的胶带介质。
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39.发明申请公开(公告)号：US20130002184A1
公开(公告)日：2013-01-03
申请号：US13614925
申请日：2012-09-13
IPC分类号： H02P6/08
摘要： Dynamic reconfiguration-switching of motor windings in an electric motor in an electric vehicle is optimized between winding-configurations. Acceleration is traded off in favor of higher velocity upon detecting the electric motor in the electric vehicle is at an optimal angular-velocity for switching to an optimal lower torque constant and voltage constant. The total back electromotive force (BEMF) is prohibited from inhibiting further acceleration to a higher angular-velocity.
摘要翻译： 在电动车辆中的电动机中的电动机绕组的动态重新配置切换在绕组配置之间被优化。 在检测到电动车辆中的电动机处于最佳角速度以切换到最佳的较低转矩常数和电压常数的情况下，有利于较高速度的加速度被消除。 总反向电动势（BEMF）被禁止禁止进一步加速到更高的角速度。
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40.发明申请Apparatus and Method to Transfer Data to and from a Sequential Information Storage Medium 审中-公开将数据传送到和从顺序信息存储介质传输数据的装置和方法公开(公告)号：US20120200952A1
公开(公告)日：2012-08-09
申请号：US13448352
申请日：2012-04-16
CPC分类号： G11B5/584
摘要： A sequential information storage medium, comprising a plurality of servo patterns encoded lengthwise thereon, wherein each servo pattern encodes at least one LPOS bit and comprises a width less than 187 microns.
摘要翻译： 一种顺序信息存储介质，包括沿其纵向编码的多个伺服图案，其中每个伺服图案编码至少一个LPOS位并且包括小于187微米的宽度。
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