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    • 6. 发明授权
    • High bandwidth tape positioning system and servo controlled rollers for active tape positioning
    • 高带宽磁带定位系统和伺服控制辊,用于主动磁带定位
    • US06633449B1
    • 2003-10-14
    • US09575841
    • 2000-05-22
    • James C. AndersonCurtis P. GonzalesJeffrey S. McAllister
    • James C. AndersonCurtis P. GonzalesJeffrey S. McAllister
    • G11B1518
    • G11B15/60
    • Methods and apparatus for a magnetic tape drive, which allow a magnetic tape to be positioned with respect to a tape head. The invention includes actively controlling the position of a tape guide used to support the tape as it passes over the tape head. By controlling the position of the tape guide, the tape can be caused to move a direction perpendicular to the primary direction of travel of the tape. One method of the invention includes providing a first tape guide aligned along a primary axis and disposed proximate a first side of the tape head. The tape is moved across the first tape guide and the tape head in a primary direction while the first tape guide is pivoted, to thereby cause the tape to move in a secondary direction essentially perpendicular to the primary direction. Alternately, or in addition to the step of pivoting the first tape guide, the method can include the step of translationally moving the first tape guide along the primary axis while moving the tape across the first tape guide and the tape head. The apparatus of the present invention can include one or more tape guides which support a tape as it moves across a tape head. Each tape guide can be configured to tilt or move translationally, or to do both, to cause the tape to move in a direction perpendicular to the primary direction of transport of the tape across the tape head.
    • 用于磁带驱动器的方法和装置,其允许磁带相对于磁带头定位。 本发明包括主动控制用于在带通过磁带头时支撑磁带的磁带引导件的位置。 通过控制带引导件的位置,可以使带移动垂直于带的主要行进方向的方向。 本发明的一种方法包括提供沿着主轴对准并设置在带头的第一侧附近的第一带引导件。 当第一带引导件枢转时,带子沿主要方向移动跨越第一带引导件和带头,从而使带沿基本上垂直于主方向的次方向移动。 或者,或者除了使第一带引导件枢转的步骤之外,该方法可以包括沿着主轴平移地移动第一带引导件的步骤,同时使带跨过第一带引导件和带头移动。 本发明的装置可以包括一个或多个带引导件,当磁带移动穿过磁带头时,磁带引导件支撑磁带。 每个磁带引导件可以被配置为平移倾斜或移动,或者做到这两者,以使磁带沿垂直于磁带的主要传送方向在磁带头上的方向移动。
    • 7. 发明授权
    • Rotary actuator disk drive
    • 旋转执行器磁盘驱动器
    • US5305169A
    • 1994-04-19
    • US893304
    • 1992-06-04
    • James C. AndersonJeffrey S. McAllister
    • James C. AndersonJeffrey S. McAllister
    • G11B21/02G11B5/54G11B21/22H02K33/18H02K33/00
    • G11B5/54G11B21/22
    • A rotary actuator disk drive in which the rotary actuator is driven by a motor comprising a movable coil and a stationary permanent magnet structure producing a magnetic field which links the coil. The rotary actuator comprises a load beam arm stack and a voice coil arm of electrical insulating material such as a light weight plastic, all of which are axially stacked and swaged to a rotary actuator bearing hub which is rotatably mounted in the disk drive. The coil arm of electrical insulating material has a bobbin section on which the coil is directly wound. The coil arm is molded together with the coil arm mounting bushing, a latch pin of magnetic material and an actuator arm balance weight insert molded therein. The latch pin is linked by the permanent magnet field of the motor permanent magnet structure and functions with that structure to define mechanical limits of angular actuator movement and to magnetically latch the actuator in one angular limit when the disk drive is not in use. Latch release is achieved by subjecting the rotary actuator to several cycles of oscillation at substantially the resonant frequency.
    • 一种旋转致动器盘驱动器,其中旋转致动器由包括可动线圈的马达驱动,并且产生连接线圈的磁场的固定永磁体结构。 旋转致动器包括负载梁臂堆叠和诸如轻质塑料的电绝缘材料的音圈臂,所有这些材料都被轴向堆叠并模锻到可旋转地安装在盘驱动器中的旋转致动器轴承座。 电绝缘材料的线圈臂具有线圈部分,线圈被直接卷绕在其上。 线圈臂与线圈臂安装衬套一起模制,磁性材料的闩锁销和模制在其中的致动器臂平衡重插件。 闩锁销通过电动机永磁体结构的永久磁场连接,并且利用该结构起作用以限定角致动器运动的机械极限,并且当磁盘驱动器不使用时将致动器磁性地锁定在一个角度限制内。 锁定释放通过使旋转致动器以基本上谐振频率的几个振荡周期来实现。
    • 10. 发明授权
    • Carriage and actuator assembly
    • 支架和执行器组件
    • US06411474B1
    • 2002-06-25
    • US09103068
    • 1998-06-22
    • James C. Anderson
    • James C. Anderson
    • G11B556
    • G11B5/584G11B5/56
    • A servo positioned carriage and actuator assembly in which a part of the carriage is positioned within the central portion of the motor. The motor, typically a voice coil motor, includes a coil of electrically conductive windings and a magnet or magnets adjacent to the coil. In one embodiment of the invention, the central portion of the motor is defined by a perimeter of the magnets and the carriage is positioned at least partially inside this perimeter. The carriage, for example, will typically include a ring shaped center portion in which the coil is mounted. This ring shaped center portion mounting the coil is positioned inside the magnets to help minimize the overall mass of the carriage elements of the assembly.
    • 伺服定位的托架和致动器组件,其中托架的一部分位于马达的中心部分内。 电动机,通常是音圈电动机,包括导电绕组的线圈和与线圈相邻的磁体或磁体。 在本发明的一个实施例中,电机的中心部分由磁体的周边限定,并且滑架至少部分地定位在该周边内。 滑架例如通常包括安装线圈的环形中心部分。 安装线圈的该环形中心部分位于磁体内部以帮助使组件的滑架元件的总体质量最小化。