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1. 发明申请

US20110050982A1 LENS BARREL AND IMAGING DEVICE 审中-公开
标题翻译：镜头条和成像装置
公开(公告)号：US20110050982A1
公开(公告)日：2011-03-03
申请号：US12869720
申请日：2010-08-26
申请人： Norikazu KATSUYAMA , Fumio MURAMATSU , Yusuke ADACHI
发明人： Norikazu KATSUYAMA , Fumio MURAMATSU , Yusuke ADACHI
IPC分类号： H04N5/232 , G02B15/14
CPC分类号： H04N5/23212 , G02B7/021 , G02B7/023 , G02B7/08 , H04N5/2254
摘要： A lens barrel includes a focusing lens, a driver, and a controller. The focusing lens changes a state of focus by moving in the direction of an optical axis. The focusing lens is subject to a load which is dependent upon the position of the focusing lens along the optical axis. The driver is coupled to the focusing lens and produces a driving force to move the focusing lens along the optical axis at a predetermined speed. The controller is coupled to the driver to adjust the driving speed of the driver relative to the position of the focusing lens.
摘要翻译：镜筒包括聚焦透镜，驱动器和控制器。聚焦透镜通过沿光轴的方向移动来改变焦点状态。聚焦透镜受到取决于聚焦透镜沿着光轴的位置的负载。驱动器耦合到聚焦透镜，并产生驱动力以沿着光轴以预定速度移动聚焦透镜。控制器耦合到驱动器以调节驱动器相对于聚焦透镜的位置的驱动速度。

2. 发明申请

US20090167878A1 IMAGE PICKUP APPARATUS, INTERCHANGEABLE LENS UNIT, CAMERA BODY, AND ULTRASONIC MOTOR DRIVING APPARATUS 有权
标题翻译：图像拾取装置，可互换镜头单元，摄像机体和超声波电机驱动装置
公开(公告)号：US20090167878A1
公开(公告)日：2009-07-02
申请号：US12338216
申请日：2008-12-18
申请人： Kenji KAWAZOE , Yasuhiro SHINGU , Norikazu KATSUYAMA , Hiroyuki KAWAHARA
发明人： Kenji KAWAZOE , Yasuhiro SHINGU , Norikazu KATSUYAMA , Hiroyuki KAWAHARA
IPC分类号： H04N5/228 , H04N5/225
CPC分类号： H04N5/23212 , G02B7/08 , G03B3/00 , H04N5/2254
摘要： An image pickup apparatus of the present invention is an image pickup apparatus including an ultrasonic motor 35 that moves a focus lens 24, and further including a correction control part 100 that operates the ultrasonic motor 35 under a predetermined condition. The correction control part 100 is capable of executing a correction process by measuring a frequency characteristic of an applied voltage at the time of operating the ultrasonic motor 35 at a predetermined rotation speed, comparing the frequency characteristic with a preset reference frequency characteristic, and correcting the frequency characteristics on the basis of a difference between the frequency characteristic and the reference frequency characteristic so as to calculate a correction frequency characteristic. Accordingly, even when the frequency characteristic of the ultrasonic motor varies due to wear of the ultrasonic motor and mechanical components coupled thereto, a stable drive can be maintained over a long time.
摘要翻译：本发明的图像拾取装置是包括移动聚焦透镜24的超声波马达35的图像拾取装置，并且还包括在预定条件下操作超声波马达35的校正控制部100。校正控制部100能够通过以预定的转速测量超声波马达35的运转时的施加电压的频率特性，将频率特性与预先设定的基准频率特性进行比较来进行校正处理，基于频率特性和参考频率特性之间的差异来计算校正频率特性。因此，即使当超声波马达的频率特性由于超声波马达的磨损和与其耦合的机械部件而变化时，可以长时间保持稳定的驱动。

3. 发明申请

US20100053768A1 LENS BARREL AND IMAGING DEVICE 有权
标题翻译：镜头条和成像装置
公开(公告)号：US20100053768A1
公开(公告)日：2010-03-04
申请号：US12481120
申请日：2009-06-09
申请人： Naoto YUMIKI , Hideo ONISHI , Norikazu KATSUYAMA
发明人： Naoto YUMIKI , Hideo ONISHI , Norikazu KATSUYAMA
IPC分类号： G02B15/14
CPC分类号： G02B15/173
摘要： An interchangeable lens unit includes a second lens group unit, a focus lens unit, a fourth lens group unit, a zoom ring unit, a focus motor, and a photosensor. The zoom ring unit is arranged to mechanically transmit operational force inputted to a zoom ring to the second lens group unit and the fourth lens group unit. The focus motor is configured to electrically drive the focus lens unit in the Z axis direction with respect to the second lens group unit. The photosensor is configured to detect whether or not the focus lens unit is disposed at a starting point position with respect to the second lens group unit. The starting point position is disposed within the total movement range E of the focus lens unit.
摘要翻译：可互换透镜单元包括第二透镜组单元，聚焦透镜单元，第四透镜组单元，变焦环单元，聚焦电机和光电传感器。变焦环单元布置成机械地将输入到变焦环的操作力传递到第二透镜组单元和第四透镜组单元。聚焦电动机被配置为相对于第二透镜组单元在Z轴方向上驱动聚焦透镜单元。光传感器被配置为检测聚焦透镜单元是否设置在相对于第二透镜组单元的起始位置处。起点位置设置在聚焦透镜单元的总移动范围E内。

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