Invention Grant
US08503115B2 Lens drive control device and image pickup device 有权
镜头驱动控制装置和图像拾取装置

  • Patent Title: Lens drive control device and image pickup device
  • Patent Title (中): 镜头驱动控制装置和图像拾取装置
  • Application No.: US12995239
    Application Date: 2009-06-15
  • Publication No.: US08503115B2
    Publication Date: 2013-08-06
  • Inventor: Koichi Sugiura
  • Applicant: Koichi Sugiura
  • Applicant Address: JP Tokyo
  • Assignee: Ricoh Company, Ltd.
  • Current Assignee: Ricoh Company, Ltd.
  • Current Assignee Address: JP Tokyo
  • Agency: Dickstein Shapiro LLP
  • Priority: JP2008-157271 20080616; JP2009-049990 20090303
  • International Application: PCT/JP2009/061257 WO 20090615
  • International Announcement: WO2009/154287 WO 20091223
  • Main IPC: G02B7/02
  • IPC: G02B7/02
Lens drive control device and image pickup device
Abstract:
A lens drive control device for a lens barrel, which controls at least a part of a plurality of lens groups respectively including at least one lens, wherein a state of the lens barrel transits from a retracted state to a photographing extended state, the lens drive control device comprising: a detection device which detects that the at least one lens group reaches a reference position, and a determination device which determines an abnormal actuation based upon a detection by the detection device, upon actuation when the at least one lens group is moved from the retracted position to the position on the optical axis, wherein the determination device determines that the actuation is abnormal when the detection device detects that the at least one lens group reaches the reference position for a plurality of times.
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