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    • 43. 再颁专利
    • Lens barrier opening/closing device of a movable lens barrel
    • 可移动透镜镜筒的透镜屏障打开/关闭装置
    • USRE39752E1
    • 2007-07-31
    • US11059702
    • 2005-02-17
    • Hiroshi NomuraNobuaki AokiYoshihiro YamazakiSatoru Nakamura
    • Hiroshi NomuraNobuaki AokiYoshihiro YamazakiSatoru Nakamura
    • G03B17/00G03B17/04
    • G02B7/10
    • A lens barrier opening/closing device of a movable lens barrel includes a barrier blade which is driven to open and close a photographic aperture; a barrier drive ring driven to rotate about an optical axis; a first biasing device which biases the barrier drive ring in a rotational direction; a rotational barrel which rotates about the optical axis; a receiving surface formed on the barrier drive ring to extend parallel to the optical axis; and a transmission surface, formed on the rotational barrel, extending parallel to the optical axis. The receiving surface and the transmission surface are engaged with each other to rotate the barrier drive ring together with the rotational barrel about the optical axis in a direction against a biasing force of the first biasing device when the movable lens barrel moves from either the photographing position to the accommodation position or vise versa.
    • 可移动透镜镜筒的透镜屏障打开/关闭装置包括被驱动以打开和关闭照相孔的屏障刮板; 驱动围绕光轴旋转的阻挡驱动环; 第一偏置装置,其沿阻力传动环沿旋转方向偏置; 围绕光轴旋转的旋转筒; 所述接收表面形成在所述阻挡驱动环上以平行于所述光轴延伸; 以及形成在旋转筒上的传播表面,其平行于光轴延伸。 接收表面和传输表面彼此接合,以便当可移动透镜镜筒从拍摄位置移动时,抵抗第一偏压装置的偏压力的方向使阻挡驱动环与旋转筒一起围绕光轴旋转 到住宿位置或反之亦然。
    • 45. 发明申请
    • Lens holding device, lens-barrel, and imaging device
    • 镜头保持装置,镜筒和成像装置
    • US20070053081A1
    • 2007-03-08
    • US10549745
    • 2003-03-22
    • Tatsuo MakiiNobuaki AokiSatoshi ImaiHiroto Ogiyama
    • Tatsuo MakiiNobuaki AokiSatoshi ImaiHiroto Ogiyama
    • G02B7/02
    • G02B7/08G02B7/021G02B7/20
    • The present invention provides a lens holder comprising a third group frame that serves as a holding member which holds lenses, a guide shaft that supports the third group frame when the third group frame is moved along the optical axis of the lenses, a rear barrel part perpendicularly to which the guide shaft is locked, a first bearing member that is molded as an integral part of the rear barrel part in order to bear the end of the guide shaft distal to the rear barrel part, and a guide shaft presser that when the first bearing member bears the end of the guide shaft distal to the base, bears the end of the guide shaft proximal to the rear barrel part. Moreover, the present invention provides a lens barrel and an imaging apparatus that employ the lens holder. Consequently, the structure of a bearing that bears a shaft which supports the lens holding member when the lens holding member is moved along the optical axis of the lenses is downsized. Moreover, the bearing bears the shaft highly precisely.
    • 本发明提供了一种透镜架,包括:第三组框架,其用作保持透镜的保持构件;当第三组框架沿着透镜的光轴移动时支撑第三组框架的导向轴;后筒体部 垂直于导向轴被锁定的第一轴承构件,被构造为后筒部的一体部分的第一轴承构件,以便承受远离后筒部的引导轴的端部;以及导向轴推压器, 第一轴承构件承载在远离基座的导向轴的端部,承载导向轴的端部靠近后筒部分。 此外,本发明提供一种采用透镜架的镜筒和成像装置。 因此,当透镜保持构件沿着透镜的光轴移动时,承载支撑透镜保持构件的轴的轴承的结构被小型化。 此外,轴承高度精确地承载轴。
    • 46. 发明申请
    • Optical unit and imaging device
    • 光学单元和成像设备
    • US20060153555A1
    • 2006-07-13
    • US10532328
    • 2003-10-24
    • Satoshi ImaiNobuaki AokiTatsuo MakiiHideki Yamaoka
    • Satoshi ImaiNobuaki AokiTatsuo MakiiHideki Yamaoka
    • G03B17/00
    • G02B7/08
    • The present invention relates to a collapsible type optical unit capable of moving its optical system between a working position and a retracted position as well as an image-pickup apparatus including the optical unit. Particularly, the present invention relates to the optical unit and the image-pickup apparatus capable of acquiring lens-position information by detecting a position of a lens barrel supported to be movable with respect to a fixed barrel. The optical unit according to the present invention is a collapsible type optical unit including: a second group lens frame movable along the direction of its optical axis with respect to a fixed ring and a rear barrel, and a solid-state image-pickup device provided behind the second group lens frame, in which on the movable second group lens frame, a position-detecting means for detecting a position of the second group lens frame is provided. According to the present invention, projection and the like on the exterior portion can be eliminated to be small in size and an increase of the number of parts and the number of processes can be restricted to the minimum.
    • 本发明涉及能够在工作位置和缩回位置之间移动其光学系统的可折叠型光学单元以及包括该光学单元的图像拾取装置。 特别地,本发明涉及能够通过检测被支撑为相对于固定筒可移动的镜筒的位置来获取透镜位置信息的光学单元和图像拾取装置。 根据本发明的光学单元是可折叠型光学单元,包括:第二组透镜框,其相对于固定环和后筒沿其光轴方向移动;以及固态图像拾取装置, 在第二组透镜框之后,设置有可移动的第二组透镜框,用于检测第二组透镜框的位置的位置检测装置。 根据本发明,可以消除外部部分上的突起等尺寸小并且部件数量的增加和加工次数可以被限制到最小。