Apparatus and method controlling position of camera module with a single coil

    公开(公告)号:US11036026B2

    公开(公告)日:2021-06-15

    申请号:US16035968

    申请日:2018-07-16

    Abstract: An apparatus controlling a position of a camera module includes an operating coil disposed on a housing of the camera module to face a magnetic member disposed on a lens barrel of the camera module, a driving circuit providing a driving current to the operating coil, a capacitor circuit having a capacitor value to form a resonance circuit together with the operating coil to resonate at a resonance frequency varied depending on an inductance value of the operating coil; a resonance maintaining circuit maintaining a level of a resonance signal generated by the operating coil and the capacitor circuit, a resonance frequency detecting circuit detecting a resonance frequency signal from the resonance signal generated by the operating coil and the capacitor circuit, and a control circuit configured to control the driving circuit in response to the resonance frequency signal from the resonance frequency detecting circuit.

    Multilayer ceramic capacitor and board for mounting thereof
    3.
    发明授权
    Multilayer ceramic capacitor and board for mounting thereof 有权
    多层陶瓷电容器及其安装板

    公开(公告)号:US09524825B2

    公开(公告)日:2016-12-20

    申请号:US14518835

    申请日:2014-10-20

    Abstract: A multilayer ceramic capacitor may include a ceramic body and an active layer. The ceramic body includes three external electrodes disposed on amounting surface thereof so as to be spaced apart from each other, and first, second, and third lead parts extending from first and second internal electrodes of the ceramic body so as to be exposed to the mounting surface of the ceramic body. One side of at least one of the first, second, and third lead parts connected to the mounting surface of the ceramic body may be at least partially formed as an inclined extension portion that is inclined with respect to an outer periphery of the first or second internal electrode.

    Abstract translation: 多层陶瓷电容器可以包括陶瓷体和有源层。 陶瓷体包括设置在其表面上的三个外部电极,以便彼此间隔开;以及第一,第二和第三引线部分,其从陶瓷体的第一和第二内部电极延伸以暴露于安装 陶瓷体表面。 连接到陶瓷体的安装表面的第一,第二和第三引线部分中的至少一个的一侧可以至少部分地形成为相对于第一或第二引线的外周倾斜的倾斜延伸部分 内部电极

    Dual-slope analog to digital converter having parallel counting structure

    公开(公告)号:US10778238B1

    公开(公告)日:2020-09-15

    申请号:US16661314

    申请日:2019-10-23

    Abstract: A dual-slope analog-to-digital converter includes a switching circuit, an integrating circuit, a dual comparison circuit, and a control circuit. The integrating circuit is configured to perform a charging operation having a first slope, based on a magnitude of an input voltage selected by the switching circuit, and a discharging operation having a second slope, based on a magnitude of the reference voltage selected by the switching circuit, and output a first voltage. The dual comparison circuit is configured to output a first comparison signal by comparing the first voltage with a first reference voltage and output a second comparison signal by comparing a second reference voltage, higher than the first reference voltage, with the first voltage. The control circuit is configured to output a digital value corresponding to the magnitude of the input voltage, based on a first count value and a second count value.

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