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    • 4. 发明授权
    • Vibrator tube
    • 振动管
    • US08018105B2
    • 2011-09-13
    • US11909199
    • 2006-03-15
    • Mats ErixonMats WolfStefan Hellstrom
    • Mats ErixonMats WolfStefan Hellstrom
    • H02K33/00
    • H02K33/16
    • An electromagnetic vibrator for use in a portable communication device includes a housing including a track directed in a first dimension; a coiling including at least one coil turn, oriented in a second dimension essentially perpendicular to the first dimension, coiled around the track and being arranged to receive an electric voltage; a permanent magnet assembly arranged for motion along the track to which the permanent magnet assembly is tightly fitted; and a ferrofluid mixture placed between the track and the permanent magnet assembly allowing motion of the permanent magnet assembly in the first dimension in dependence of the electric voltage as supplied to the coiling.
    • 一种用于便携式通信设备的电磁振动器包括:壳体,包括以第一维度定向的轨道; 包括至少一个线圈圈的卷绕线圈绕着轨道卷绕在第二维度上,并且被布置成接收电压; 永磁体组件,布置成沿永磁体组件紧密配合的轨道运动; 以及放置在轨道和永磁体组件之间的铁磁流体混合物,允许永磁体组件在第一维度上根据供应到卷取的电压而运动。
    • 10. 发明申请
    • Battery protection circuit
    • 电池保护电路
    • US20050088147A1
    • 2005-04-28
    • US10506415
    • 2003-02-14
    • Jan-Olof SvenssonMats Wolf
    • Jan-Olof SvenssonMats Wolf
    • H02J7/00
    • H02J7/0031
    • A power supply arrangement for supplying power from a battery (2) to an electric load (3) comprises a controlled switch (4) having a first state in which a connection is provided from the battery (2) to the load (3), and a second state in which the load (3) is disconnected from the battery (2), and a control circuit (5, 8, 9) for controlling the state of the controlled switch (4). The control circuit (5, 8, 9) is arranged to be disconnected from the battery (2) when the controlled switch (4) is in its second state. By disconnecting not only the electrical load, but also the control circuit from the battery, it is ensured that this circuit cannot draw any leakage current from the battery, when the load is switched off. This means that no over-discharge protection is needed in the battery itself.
    • 用于从电池(2)向电负载(3)供电的电源装置包括:具有第一状态的受控开关(4),其中从电池(2)向负载(3)提供连接, 以及负载(3)与电池(2)断开的第二状态,以及用于控制受控开关(4)的状态的控制电路(5,8,9)。 控制电路(5,8,9)被布置成当受控开关(4)处于其第二状态时与电池(2)断开连接。 通过不仅断开电气负载,而且断开来自电池的控制电路,当负载关闭时,确保该电路不会从电池中吸取任何泄漏电流。 这意味着电池本身不需要过放电保护。