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    • 3. 发明授权
    • Electric toothbrush
    • 电动牙刷
    • US08424143B2
    • 2013-04-23
    • US12971383
    • 2010-12-17
    • Michael StolperHeiko BornheimerJoachim LepperPhilipp JungArmin Schwarz-HartmannPeter Trawinski
    • Michael StolperHeiko BornheimerJoachim LepperPhilipp JungArmin Schwarz-HartmannPeter Trawinski
    • A61C17/22
    • A61C17/221
    • An electric toothbrush is disclosed. The toothbrush includes a housing; a brush; an electric motor for driving the brush; a power supply for providing the electric power required for operation of the toothbrush; a switch mechanism for turning the drive on and off; and an electronic circuit for adjusting the effective voltage (UMot) applied to the electric motor. In operation, a voltage supplied by the power supply declines with the discharge status of the power supply from a high-voltage range to a low-voltage range. During operation of the toothbrush in the high-voltage range (H), the effective voltage (UMot) applied to the electric motor is lowered to a level at which the electric motor has reached a rotational speed corresponding essentially to the rotational speed of the electric motor in the medium-voltage range.
    • 公开了一种电动牙刷。 牙刷包括壳体; 一把刷子; 用于驱动刷子的电动马达; 用于提供牙刷操作所需的电力的电源; 用于打开和关闭驱动器的开关机构; 以及用于调节施加到电动机的有效电压(UMot)的电子电路。 在操作中,由电源供给的电压随着电源的放电状态从高电压范围向低电压范围而下降。 在牙刷在高电压范围(H)的操作期间,施加到电动机的有效电压(UMot)降低到电动机达到基本上对应于电动机转速的旋转速度的水平 电机在中压范围内。