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    • 1. 发明申请
    • DEVICE COMPRISING A SCANNING APPARATUS AND SHOCK PROTECTION
    • 包含扫描装置和电击保护的装置
    • WO2008102004A1
    • 2008-08-28
    • PCT/EP2008/052175
    • 2008-02-22
    • THOMSON LICENSINGKNAPPMANN, StephanBAMMERT, MichaelKIMMELMANN, Stefan
    • KNAPPMANN, StephanBAMMERT, MichaelKIMMELMANN, Stefan
    • G11B19/04G11B21/12G11B5/55
    • G11B7/08576G11B7/0946G11B7/121G11B19/042
    • The invention relates to a scanning device with shock protection comprising a swing arm, wherein the swing arm comprising a pickup for recording/reproducing data is operably connected to a storage medium and is supported on a pivot axis extending perpendicularly to the swing arm by means of a support, and wherein a magnetic drive initiating a swivel motion in parallel to the storage medium and a magnetic drive initiating a motion perpendicularly thereto are allocated to the swing arm, comprising an acceleration sensor for detecting a shock event. The invention solves the object of designing the shock protection apparatus such that the swing arm is located in a simple manner if a shock event is indicated. To achieve the, a permanent magnet (15) is arranged on the swing arm (1), with an electromagnet (16) that is permanently attached to the scanning device and arranged spaced apart from the swing arm (1) being allocated to the permanent magnet (15), the electromagnet (16) being connected to a power source (19) if the acceleration sensor (22) indicates a shock event and attracting and locating the permanent magnet (15) including the swing arm.
    • 本发明涉及一种具有防震保护的扫描装置,包括摆臂,其中包括用于记录/再现数据的拾取器的摆臂可操作地连接到存储介质,并且被支撑在垂直于摆臂延伸的枢轴上,借助于 支撑件,并且其中启动平行于存储介质的旋转运动的磁驱动器和启动垂直于其的运动的磁驱动器被分配给摆臂,包括用于检测冲击事件的加速度传感器。 本发明解决了设计防震装置的目的,因此如果指示冲击事件,则摆臂位于简单的方式。 为了实现这一点,在摆臂(1)上布置有永磁体(15),其中永磁体(16)永久地附接到扫描装置并且与摆臂(1)间隔开并被分配给永久磁铁 如果加速度传感器(22)表示冲击事件并吸引并定位包括摆臂的永磁体(15),则磁体(15),电磁体(16)连接到电源(19)。
    • 3. 发明申请
    • SUSPENSION ARM ACTUATOR
    • 悬架ARM执行器
    • WO2007131877A1
    • 2007-11-22
    • PCT/EP2007/054260
    • 2007-05-02
    • THOMSON LICENSING S.A.BAMMERT, MichaelSUZUKI, TsuneoDUPPER, Rolf
    • BAMMERT, MichaelSUZUKI, TsuneoDUPPER, Rolf
    • G11B7/085G11B7/09
    • G11B7/08576G11B7/0932
    • The invention relates to a suspension arm actuator comprising a suspension arm which is designed as a two-arm lever and is mounted between the lever arms such that it can be pivoted about an axis extending perpendicularly thereto. At its end side, one of the lever arms supports a sensor, in particular a scanning device comprising an optical head having a focal lens, and comprises an elastically bendable region formed of at least one leaf spring and intended for a motion of the optical head in focusing direction and perpendicularly to the pivot plane of the suspension arm. In order to initiate said motion, a magnetic drive is allocated to said lever arm. The other one of the lever arms is provided with a component of a magnetic drive for a swivel motion about the axis. It solves the problem of designing such a suspension arm such that the free end of the lever arm supporting the optical head has a lower tendency towards mechanical resonances, associated with a reduced en- ergy consumption. To achieve this, the at least one leaf spring (4) which extends in longitudinal direction in relation to the suspension arm (1) and is arranged in parallel to the pivot plane thereof is embedded in the sections (I.1 and I.2) of the lever arm (I) supporting the optical head (3), said sections (I.1 and I.2) delimiting the bendable region (5), wherein said leaf spring (4) is enclosed by a damping means (DM) at least in one partial region arranged adjacent to each of said sections (I.1 or I.2).
    • 本发明涉及一种悬架臂致动器,其包括被设计为双臂杆的悬架臂,并且安装在杠杆臂之间,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传感器,特别是包括具有焦点透镜的光学头的扫描装置,并且包括由至少一个板簧形成并用于光学头的运动的弹性可弯曲区域 在聚焦方向上并且垂直于悬架臂的枢转平面。 为了启动所述运动,磁驱动器被分配给所述杠杆臂。 杠杆臂中的另一个设置有用于围绕轴线的旋转运动的磁驱动器的部件。 它解决了设计这样的悬架臂的问题,使得支撑光学头的杠杆臂的自由端具有较低的机械共振倾向,与降低的能量消耗相关联。 为了实现这一点,至少一个相对于悬架臂(1)在纵向上延伸并平行于其枢转平面布置的板簧(4)嵌入在部分(I.1和I.2 )支撑光学头(3)的杠杆臂(I),限定可弯曲区域(5)的所述部分(I.1和I.2),其中所述板簧(4)被阻尼装置 )至少在与每个所述部分(I.1或I.2)相邻布置的一个部分区域中。
    • 6. 发明申请
    • OPTICAL SCANNING APPARATUS FOR APPLIANCES FOR RECORDING OR REPRODUCING INFORMATION USING AN OPTICAL RECORDING MEDIUM
    • 用于使用光学记录介质记录或重现信息的设备的光学扫描装置
    • WO2006072534A1
    • 2006-07-13
    • PCT/EP2005/056711
    • 2005-12-13
    • THOMSON LICENSINGBARTELS, UweBAMMERT, MichaelBAUSCH, RalfSUZUKI, TsuneoFU, Chien, ChungASCHENBRENNER, Frank
    • BARTELS, UweBAMMERT, MichaelBAUSCH, RalfSUZUKI, TsuneoFU, Chien, ChungASCHENBRENNER, Frank
    • G11B7/09
    • G11B7/0935G11B7/0932G11B7/0933G11B7/0956
    • The invention provides an optical scanning apparatus for appliances for recording or reproducing information using an optical recording medium, said scanning apparatus automatically matching itself to the curvature of a curved recording medium or of a recording medium with axial runout without there being different wire diameters for the resilient support of the lens holder (LH) or other additional damping means or an additional control loop for this purpose. This object is achieved by virtue of an arrangement comprising coils and magnets being provided which has an asymmetrical magnetic field distribution which is provided for matching the orientation of a lens (L) in the optical scanning device to a curved recording medium or to any axial runout in the recording medium. The asymmetrical magnetic field distribution is achieved with magnets arranged offset laterally or with magnets (MS) which are bevelled on one side or with a focusing coil which is asymmetrically shaped or is arranged asymmetrically with respect to the magnets. The individual embodiments for achieving an asymmetrical magnetic field distribution can be combined with one another.
    • 本发明提供了一种用于使用光学记录介质记录或再现信息的设备的光学扫描装置,所述扫描装置自动地将其自身匹配曲率记录介质或具有轴向跳动的记录介质的曲率,而不存在不同的线径 透镜架(LH)或其他附加阻尼装置的弹性支撑件或用于此目的的附加控制回路。 该目的是通过提供一种包括线圈和磁体的装置来实现的,该布置具有非对称磁场分布,其被设置用于将光学扫描装置中的透镜(L)的取向与弯曲记录介质或任何轴向跳动 在记录介质中。 非对称磁场分布是通过横向偏移排列的磁体或者在一侧倾斜的磁体(MS)或不对称成形的或相对于磁体非对称布置的聚焦线圈来实现的。 用于实现非对称磁场分布的各个实施例可以彼此组合。
    • 7. 发明申请
    • PICKUP FOR ACCESSING MOVING STORAGE MEDIA AND DRIVE HAVING THE PICKUP
    • 用于访问移动存储介质和驱动器的PICKUP
    • WO2008107369A1
    • 2008-09-12
    • PCT/EP2008/052439
    • 2008-02-28
    • THOMSON LICENSINGBAMMERT, MichaelSUZUKI, TsuneoDUPPER, Rolf
    • BAMMERT, MichaelSUZUKI, TsuneoDUPPER, Rolf
    • G11B7/09
    • G11B7/0932
    • A pickup (P) for accessing moving storage media, carrying substantially parallel information tracks (T), has a carrier (C), an actuator (A) and suspension elements joining the carrier (C) and the actuator (A). The actuator (A) has a body (B) and a lens (3) and is movable in a tracking direction (X) and in a focus direction (Y). The suspension elements extend substantially in an information direction (Z) orthogonal to the tracking direction (X) and the focus direction (Y) and are arranged at opposite sides of the body (B) in the tracking direction (X), where they are stacked at each side in focus direction (y). Each suspension element has two parts, where a first part is connected to the carrier (C) and a second part is connected to the body (B) of the actuator (A). According to the invention, the suspension elements are constituted as suspension wires (4), where each suspension wire (4) is folded, where the first part and the second part are constituted as a first side (10) and a second side (11) of the folded suspension wire (4) and where the both sides (10, 11) form an acute angle with each other.
    • 携带基本上平行的信息轨道(T)的移动存储介质的拾取器(P)具有载体(C),致动器(A)和接合载体(C)和致动器(A)的悬挂元件。 致动器(A)具有主体(B)和透镜(3),并且可以在跟踪方向(X)和聚焦方向(Y)上移动。 悬挂元件基本上在与跟踪方向(X)和聚焦方向(Y)正交的信息方向(Z)上延伸,并且在跟踪方向(X)上布置在主体(B)的相对侧, 在聚焦方向(y)的每一侧堆叠。 每个悬挂元件具有两个部分,其中第一部分连接到载体(C),第二部分连接到致动器(A)的主体(B)。 根据本发明,悬挂元件构成为悬挂线(4),其中每个悬挂线(4)被折叠,其中第一部分和第二部分被构造为第一侧(10)和第二侧(11 ),并且其中两侧(10,11)彼此形成锐角。
    • 8. 发明申请
    • PICKUP FOR ACCESSING MOVING STORAGE MEDIA AND DRIVE HAVING THE PICKUP
    • 用于访问移动存储介质和驱动器的PICKUP
    • WO2008080819A1
    • 2008-07-10
    • PCT/EP2007/064088
    • 2007-12-17
    • THOMSON LICENSINGBAMMERT, MichaelSUZUKI, TsuneoDUPPER, Rolf
    • BAMMERT, MichaelSUZUKI, TsuneoDUPPER, Rolf
    • G11B7/09
    • G11B7/0932G11B7/0933G11B7/0935G11B7/0956
    • A pickup (P) for accessing moving storage media (D) carrying substantially parallel information tracks (T) has a carrier (C), an actuator (A) with a lens (3) and suspension means (4) joining the carrier (C) and the actuator (A). The actuator (A) is movable in a focus direction (Y) and in a tracking direction (X) and has a substantially rectangular flat board (B). The flat board (B) is arranged orthogonal to the focus direction (Y) and carries the lens (3) at its upper side facing the tracks (T) of the media (D). The flat board (B) carries tracking and focus coils. The pickup (P) has a magnet configuration connected to the carrier (C) with at least two tracking magnets (7), which are arranged in the tracking direction (X) at opposite sides of the flat board (B) and extend orthogonal to the focus direction (Y) above and/or under the flat board (B), and with at least two focus magnets (8), which are arranged in the direction of the tracks (T) at opposite sides of the flat board (B) and extend orthogonal to the direction of the tracks (T). According to the invention, the elastic means are constituted as four elastic elements (4), which are arranged at the lower side of the flat board (B) at each of its four corners (5).
    • 用于访问承载基本上平行的信息轨道(T)的移动存储介质(D)的拾取器(P)具有载体(C),具有透镜(3)的致动器(A)和将载体(C) )和致动器(A)。 致动器(A)能够在聚焦方向(Y)和跟踪方向(X)上移动,并且具有大致矩形的平板(B)。 平板(B)与聚焦方向(Y)正交配置,并且在与介质(D)的轨道(T)相对的上侧承载透镜(3)。 平板(B)承载跟踪和聚焦线圈。 拾取器(P)具有与至少两个跟踪磁体(7)连接到载体(C)的磁体配置,其沿平行板(B)的相对侧沿跟踪方向(X)布置并且延伸到 在平板(B)上方和/或下方的聚焦方向(Y),以及至少两个聚焦磁体(8),它们在平板(B)的相对侧沿轨道(T)的方向 )并且与轨道(T)的方向正交地延伸。 根据本发明,弹性装置构成四个弹性元件(4),它们在其四个角部(5)中的每一个处布置在平板(B)的下侧。
    • 9. 发明申请
    • SUSPENSION ARM ACTUATOR FOR A SCANNING DEVICE
    • 用于扫描设备的悬架ARM致动器
    • WO2007141130A1
    • 2007-12-13
    • PCT/EP2007/054877
    • 2007-05-21
    • THOMSON LICENSINGBAMMERT, MichaelSUZUKI, TsuneoDUPPER, Rolf
    • BAMMERT, MichaelSUZUKI, TsuneoDUPPER, Rolf
    • G11B7/085G11B7/09
    • 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 (3) in focusing direction is allocated to the lever arm (II) which comprises a component (4) of the magnetic drive for the swivel motion about the axis (PA). The coils for the magnetic drives are, in particular, designed as printed coils (4 and 5 respectively).
    • 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(3)的磁驱动器被分配给包括用于围绕轴线(PA)的旋转运动的磁驱动器的部件(4)的杠杆臂(II)。 用于磁驱动器的线圈特别地被设计为印刷线圈(分别为4和5)。