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    • 8. 发明申请
    • OPTICAL UNIT AND IMAGE PICKUP APPARATUS
    • 光学单元和图像拾取装置
    • US20090073302A1
    • 2009-03-19
    • US12205003
    • 2008-09-05
    • Natsuko ShiotaYoshihiro HaraAkira KosakaYasutaka Tanimura
    • Natsuko ShiotaYoshihiro HaraAkira KosakaYasutaka Tanimura
    • H04N5/225
    • G02B7/08
    • An optical unit is provided which is characterized by compact configuration, high performance and minimized noise, and which has a drive element to drive a lens cone holding an image pickup optical system, and has the same outside diameter as the lens cone, wherein the optical unit drives the image pickup optical system by expanding and contracting the drive element in a direction of an optical axis of the image pickup optical system. An image pickup apparatus is provided which is characterized by compact configuration, high performance and minimized noise, and which has an optical unit coupled to an image pickup unit through a drive element, and has the same outside diameter as the optical unit, wherein the apparatus drives the optical unit by expanding and contracting the drive unit in a direction of an optical axis of the optical unit.
    • 提供了一种光学单元,其特征在于紧凑的结构,高性能和最小化的噪声,并且具有用于驱动保持摄像光学系统的透镜锥体的驱动元件,并且具有与透镜锥体相同的外径,其中光学 单元通过沿着摄像光学系统的光轴的方向扩展和收缩驱动元件来驱动摄像光学系统。 提供了一种图像拾取装置,其特征在于紧凑的结构,高性能和最小化的噪声,并且具有通过驱动元件耦合到图像拾取单元的光学单元,并且具有与光学单元相同的外径,其中该装置 通过沿着光学单元的光轴的方向扩展和收缩驱动单元来驱动光学单元。
    • 9. 发明授权
    • Optical unit and image pickup apparatus utilizing electrostrictive drive elements
    • 使用电致伸缩驱动元件的光学单元和图像拾取装置
    • US08154649B2
    • 2012-04-10
    • US12205003
    • 2008-09-05
    • Natsuko ShiotaYoshihiro HaraAkira KosakaYasutaka Tanimura
    • Natsuko ShiotaYoshihiro HaraAkira KosakaYasutaka Tanimura
    • H04N5/225
    • G02B7/08
    • An optical unit is provided which is characterized by compact configuration, high performance and minimized noise, and which has a drive element to drive a lens cone holding an image pickup optical system, and has the same outside diameter as the lens cone, wherein the optical unit drives the image pickup optical system by expanding and contracting the drive element in a direction of an optical axis of the image pickup optical system. An image pickup apparatus is provided which is characterized by compact configuration, high performance and minimized noise, and which has an optical unit coupled to an image pickup unit through a drive element, and has the same outside diameter as the optical unit, wherein the apparatus drives the optical unit by expanding and contracting the drive unit in a direction of an optical axis of the optical unit.
    • 提供了一种光学单元,其特征在于紧凑的结构,高性能和最小化的噪声,并且具有用于驱动保持摄像光学系统的透镜锥体的驱动元件,并且具有与透镜锥体相同的外径,其中光学 单元通过沿着摄像光学系统的光轴的方向扩展和收缩驱动元件来驱动摄像光学系统。 提供了一种图像拾取装置,其特征在于紧凑的结构,高性能和最小化的噪声,并且具有通过驱动元件耦合到图像拾取单元的光学单元,并且具有与光学单元相同的外径,其中该装置 通过沿着光学单元的光轴的方向扩展和收缩驱动单元来驱动光学单元。
    • 10. 发明授权
    • Actuator, drive device, and imaging device
    • 执行器,驱动装置和成像装置
    • US08421908B2
    • 2013-04-16
    • US13260557
    • 2010-03-16
    • Akira KosakaYasutaka TanimuraTakashi MatsuoNatsuki Yamamoto
    • Akira KosakaYasutaka TanimuraTakashi MatsuoNatsuki Yamamoto
    • H04N5/232H04N5/228G03B15/00G03B17/00H01L21/00
    • F03G7/065
    • An object of the present invention is to provide an actuator allowing a control of displacement and configured to offer a high degree of freedom in designing, and a drive device and an imaging device including the actuator. To achieve the object, an actuator is adopted including a movable part deformable in accordance with heat generation and a control section controlling the amount of deformation of the movable part. In the actuator, the movable part is structured with a plurality of portions including a base portion, a force generating portion, and a heat generating portion being stacked, the force generating portion generating force in accordance with heating, the heat generating portion generating heat in accordance with a current supply. The control section controls the amount of deformation of the movable part by controlling the current supply to the heat generating portion based on an electrical resistance in the heat generating portion.
    • 本发明的目的是提供一种执行器,其允许控制位移并且被配置为在设计中提供高自由度,以及驱动装置和包括致动器的成像装置。 为了实现该目的,采用了一种致动器,包括可根据发热变形的可移动部件和控制可移动部件的变形量的控制部件。 在致动器中,可移动部分由多个部分构成,该多个部分包括基部,力产生部分和发热部分,所述力产生部分根据加热产生力,所述发热部分产生热量 按照目前的供应。 控制部通过基于发热部的电阻控制向发热部的供给来控制可动部的变形量。