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    • 5. 发明授权
    • Suspension arm actuator for a scanning device including a magnet for field optimization
    • 用于扫描装置的悬架臂致动器,包括用于场优化的磁体
    • US08392937B2
    • 2013-03-05
    • US12221895
    • 2008-08-07
    • Michael BammertTsuneo SuzukiRolf Dupper
    • Michael BammertTsuneo SuzukiRolf Dupper
    • G11B7/095G11B21/08
    • G11B7/08576G11B7/093
    • A suspension arm actuator for a scanning device includes a suspension arm which is designed as a two-arm lever having a first and second arms. The second lever arm includes a component for a magnetic drive for a swivel motion of the suspension arm. The component is arranged at a recess having the shape of a circular arc, with an inner leg of a yoke being permanently attached to a support projecting into the recess and forming a magnetic yoke, wherein the yoke is provided with a shell-like magnet on its outer leg in order to form the magnetic drive. A magnet for field optimization, which is magnetized perpendicularly in relation to the shell-like magnet, is arranged on the yoke in the region between the inner leg and the shell-like magnet to increase the sensitivity of the suspension arm actuator.
    • 用于扫描装置的悬架臂致动器包括悬臂,其设计为具有第一和第二臂的双臂杆。 第二杠杆臂包括用于悬架臂的旋转运动的磁驱动部件。 该部件布置在具有圆弧形状的凹部中,轭的内腿永久地附接到突出到凹部中的支撑件并形成磁轭,其中,轭设置有壳状磁体 其外腿为了形成磁力驱动。 用于磁场优化的磁体,其相对于壳状磁体垂直磁化,在内腿和壳状磁体之间的区域中布置在磁轭上,以增加悬架臂致动器的灵敏度。
    • 6. 发明授权
    • Pickup with asymmetrically arranged lens for accessing moving storage media and drive having the pickup
    • 用不对称布置的镜头拾取用于访问移动存储介质和具有拾取器的驱动器
    • US08117631B2
    • 2012-02-14
    • US12002735
    • 2007-12-18
    • Michael BammertTsuneo SuzukiRolf Dupper
    • Michael BammertTsuneo SuzukiRolf Dupper
    • G11B7/08
    • G11B7/0935G11B7/0933G11B7/0956
    • A pickup for accessing moving storage media carrying substantially parallel information tracks has a carrier, an actuator with a lens and suspension wires extending from the rear of the carrier and joining the carrier and the actuator. The actuator is movable in the focus direction and in a tracking direction and has a substantially rectangular flat board carrying the lens and a counter weight. The flat board is arranged orthogonal to a focus direction and carries tracking and focus coils. The pickup has a magnet configuration connected to the carrier with at least two tracking magnets, which are arranged in the tracking direction at opposite sides of the flat board and extend orthogonal to the focus direction above and/or under the flat board, and with at least two focus magnets, which are arranged in front of and behind the flat board and extend orthogonal to the direction of the tracks. According to the invention, the lens is arranged asymmetrically in reference to an axis through a center of the flat board parallel to the direction of the tracks while the lens and the counter weight are symmetrically arranged in reference to the center of the flat board.
    • 用于访问携带基本平行信息轨道的移动存储介质的拾取器具有载体,具有透镜的致动器和从载体的后部延伸并且接合载体和致动器的悬挂线。 致动器可以在聚焦方向和跟踪方向上移动,并且具有承载透镜和重量的基本上矩形的平板。 平板与焦点方向正交配置,并承载跟踪和聚焦线圈。 拾取器具有与至少两个跟踪磁体连接的载体的磁体构造,所述至少两个跟踪磁体沿着跟踪方向布置在平板的相对侧并且在平板上方和/或下方与聚焦方向正交并且与 至少两个聚焦磁体,其布置在平板的前面和后面并且与轨道的方向正交地延伸。 根据本发明,透镜相对于平行于平行于轨道的方向的平面板的中心的轴线非对称地布置,而透镜和配重相对于平板的中心对称布置。
    • 9. 发明授权
    • Comparator circuit
    • 比较器电路
    • US07633320B2
    • 2009-12-15
    • US12163175
    • 2008-06-27
    • Tatsuya YamamotoTsuneo SuzukiYuusuke MaedaSouichi Honma
    • Tatsuya YamamotoTsuneo SuzukiYuusuke MaedaSouichi Honma
    • H03K5/22
    • H03K5/082H04L25/061H04L27/06H04L27/1563
    • A comparator circuit according to an embodiment of the present invention includes a comparator configured to compare an input signal voltage with a reference voltage obtained by smoothing the input signal by use of a resistor and a capacitor, and output a result of the comparison, a discharge circuit configured to compare a first addition signal which is obtained by adding a positive first voltage to the input signal voltage, with the reference voltage, and discharge the capacitor when the first addition signal is lower than the reference voltage, and a charge circuit configured to compare a second addition signal which is obtained by adding a negative second voltage to the input signal voltage, with the reference voltage, and charge the capacitor when the second addition signal is higher than the reference voltage.
    • 根据本发明的实施例的比较器电路包括比较器,其被配置为将输入信号电压与通过使用电阻器和电容器平滑输入信号而获得的参考电压进行比较,并输出比较结果,放电 电路,其被配置为将通过将正的第一电压与所述输入信号电压相加而获得的第一加法信号与所述参考电压进行比较,以及当所述第一相加信号低于所述参考电压时对所述电容器进行放电;以及充电电路, 将通过将负的第二电压加到输入信号电压而获得的第二加法信号与参考电压进行比较,并且当第二加法信号高于参考电压时对电容器充电。
    • 10. 发明申请
    • Suspension Arm Actuator for a Scanning Device
    • 用于扫描装置的悬架执行器
    • US20090249380A1
    • 2009-10-01
    • US12227667
    • 2007-05-21
    • Michael BammertTsuneo SuzukiRolf Dupper
    • Michael BammertTsuneo SuzukiRolf Dupper
    • G11B7/00
    • G11B7/08576G11B7/0929
    • The invention relates to a suspension arm actuator for an optical scanning device, comprising a suspension arm designed as a two-arm lever and mounted between the lever arms such that it can be pivoted about an axis extending perpendicularly thereto. On its end side, one of the lever arms supports a scanning head and comprises an articulated region, preferably an elastically bendable region, for a motion of the scanning head in focusing direction and perpendicular in relation to the pivot plane of the suspension arm. The other lever arm is provided with a component of a magnetic drive for a swivel motion about the axis. In addition, the suspension arm actuator comprises a magnetic drive for moving the optical head in focusing direction. As a result, the suspension arm is designed such that the latter's lever arm that supports the scanning head is designed simply and without any further functional elements and is, therefore, reduced in weight. To achieve this, the magnetic drive for moving the optical head in focusing direction is allocated to the lever arm (II) which comprises a component of the magnetic drive for the swivel motion about the axis. The coils for the magnetic drives are, in particular, designed as printed coils.
    • 本发明涉及一种用于光学扫描装置的悬架臂致动器,包括设计成双臂杆的悬架臂,并安装在杠杆臂之间,使得其能够绕垂直于其延伸的轴线枢转。 在其端侧,杠杆臂中的一个支撑扫描头并且包括铰接区域,优选地是可弹性弯曲的区域,用于扫描头在聚焦方向上的运动并且相对于悬架臂的枢转平面垂直。 另一个杠杆臂设置有用于围绕轴线的旋转运动的磁驱动器的部件。 此外,悬架臂致动器包括用于在聚焦方向上移动光学头的磁驱动器。 结果,悬架臂被设计成使得后者的支撑扫描头的杠杆臂被简单地设计并且没有任何进一步的功能元件,因此减轻了重量。 为了实现这一点,用于在聚焦方向上移动光学头的磁驱动器被分配到杠杆臂(II),杠杆臂(II)包括用于围绕轴线的旋转运动的磁驱动器的部件。 用于磁盘驱动器的线圈特别地被设计成印刷线圈。