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    • 1. 发明授权
    • Imaging apparatus and camera system
    • 成像设备和相机系统
    • US08194180B2
    • 2012-06-05
    • US13305006
    • 2011-11-28
    • Koji ShibunoTakahiro IkedaHiroyuki KawaharaTakashi Abe
    • Koji ShibunoTakahiro IkedaHiroyuki KawaharaTakashi Abe
    • H04N5/225
    • G03B13/00
    • An imaging apparatus includes an optical system including a focus lens, a driver configured to drive the focus lens, a controller configured to control a supply of power to the driver, and a setting unit configured to set a power supply mode for specifying a method of supplying power to the driver. When a predetermined power supply mode is set, the controller determines according to a magnitude of a depth of field of the optical system during whether holding power for holding the state of the focus lens is supplied to the driver when the focus lens is stopped, and controls the supply of the holding power to the driver according to the result of the determination.
    • 一种成像装置,包括:光学系统,包括:聚焦透镜;被配置为驱动聚焦透镜的驱动器;配置成控制向驱动器供电的控制器;以及设置单元,其被配置为设定用于指定方法的电源模式 向司机供电。 当设定了预定的电源模式时,控制器在聚焦透镜停止时是否将保持焦点透镜的状态的保持功率提供给驾驶员的情况下根据光学系统的景深的大小来确定, 根据确定的结果控制向驾驶员提供保持力。
    • 2. 发明授权
    • Lens control apparatus and interchangeable lens including lens control apparatus
    • 透镜控制装置和可互换镜头,包括透镜控制装置
    • US08619374B2
    • 2013-12-31
    • US13540680
    • 2012-07-03
    • Takashi AbeHiroyuki Kawahara
    • Takashi AbeHiroyuki Kawahara
    • G02B15/14
    • G02B7/102G02B7/282G02B7/38
    • A lens control apparatus, and an interchangeable lens including the lens control apparatus, are provided which can obtain, in zoom tracking operation, excellent optical images at subject distances in a wider range. A lens control apparatus controls drive of an optical system including a first and a second focus lens for adjusting a focus state and a zoom lens for adjusting an angle of view. The lens control apparatus includes: a first driver that drives the first focus lens; a second driver that drives the second focus lens; a controller that controls the first and second drivers; and a storage unit that stores first and second tracking data, the first and second tracking data each being information that associates a position of the first and second focus lenses respectively with a position of the zoom lens for focusing on a subject.
    • 提供了一种透镜控制装置和包括透镜控制装置的可互换透镜,其能够在变焦跟踪操作中获得较宽范围内的被摄体距离处的优异光学图像。 透镜控制装置控制包括用于调节聚焦状态的第一和第二聚焦透镜的光学系统的驱动和用于调节视角的变焦透镜。 透镜控制装置包括:驱动第一聚焦透镜的第一驱动器; 驱动第二聚焦透镜的第二驱动器; 控制器,其控制第一和第二驱动器; 以及存储单元,其存储第一和第二跟踪数据,所述第一和第二跟踪数据分别是将所述第一和第二聚焦透镜的位置分别与用于聚焦在被摄体上的变焦镜头的位置相关联的信息。
    • 3. 发明授权
    • Imaging apparatus and camera system
    • 成像设备和相机系统
    • US08085338B2
    • 2011-12-27
    • US12465886
    • 2009-05-14
    • Koji ShibunoTakahiro IkedaHiroyuki KawaharaTakashi Abe
    • Koji ShibunoTakahiro IkedaHiroyuki KawaharaTakashi Abe
    • H04N5/232
    • G03B13/00
    • An imaging apparatus includes an optical system including a focus lens, a driver configured to drive the focus lens, a controller configured to control a supply of power to the driver, and a setting unit configured to set a power supply mode for specifying a method of supplying power to the driver. When a predetermined power supply mode is set, the controller determines according to a magnitude of a depth of field of the optical system during whether holding power for holding the state of the focus lens is supplied to the driver when the focus lens is stopped, and controls the supply of the holding power to the driver according to the result of the determination.
    • 一种成像装置,包括:光学系统,包括:聚焦透镜;被配置为驱动聚焦透镜的驱动器;配置成控制向驱动器供电的控制器;以及设置单元,其被配置为设定用于指定方法的电源模式 向司机供电。 当设定了预定的电源模式时,控制器在聚焦透镜停止时是否将保持焦点透镜的状态的保持功率提供给驾驶员的情况下根据光学系统的景深的大小来确定, 根据确定的结果控制向驾驶员提供保持力。
    • 7. 发明授权
    • Image pickup apparatus, interchangeable lens unit, camera body, and ultrasonic motor driving apparatus
    • 图像拾取装置,可互换镜头单元,照相机主体和超声波马达驱动装置
    • US08228389B2
    • 2012-07-24
    • US12338216
    • 2008-12-18
    • Kenji KawazoeYasuhiro ShinguNorikazu KatsuyamaHiroyuki Kawahara
    • Kenji KawazoeYasuhiro ShinguNorikazu KatsuyamaHiroyuki Kawahara
    • H04N5/225H02N2/00
    • H04N5/23212G02B7/08G03B3/00H04N5/2254
    • 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.
    • 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。
    • 9. 发明申请
    • Imaging device and method of controlling the same
    • 成像装置及其控制方法
    • US20060127071A1
    • 2006-06-15
    • US10532005
    • 2004-10-19
    • Yoshio TakeuchiYosuke YamaneManabu KitamuraHiroyuki Kawahara
    • Yoshio TakeuchiYosuke YamaneManabu KitamuraHiroyuki Kawahara
    • G03B17/00
    • H04N5/23248G02B27/646G03B5/00G03B2205/0007G03B2205/0053G03B2217/005H04N5/23287H04N2101/00
    • An imaging apparatus (20) measures shake of the apparatus by a gyro sensor (9), performs “a center stop control” until receiving an instruction for start of recording the still picture, and performs “a lens correction control” after the start of exposure in the imaging apparatus. The center stop control controls the correction lens position so as to stop a correction lens at an optical axis center position which is a position of the correction lens at which an optical axis of the imaging lenses (1) coincides with an optical axis of a correction lens (2). The lens correction control controls the correction lens position so as to correct blurring of the image formed on an imaging element (3) on the basis of the measuring result. The imaging apparatus (20) returns the correction lens (2) to the optical axis center position before receiving a next instruction for start of next recording after completion of the exposure to the imaging element, and then performs the center stop control on the correction lens (2).
    • 成像装置(20)通过陀螺仪传感器(9)测量装置的抖动,执行“中心停止控制”,直到收到开始记录静止图像的指示,并且在开始之后执行“透镜校正控制” 在成像设备中曝光。 中心停止控制控制校正透镜位置,以便在作为校正透镜的位置的光轴中心位置处停止校正透镜,在该位置处,成像透镜(1)的光轴与校正光轴重合 透镜(2)。 透镜校正控制控制校正透镜位置,以便根据测量结果来校正在成像元件(3)上形成的图像的模糊。 成像装置(20)在完成对成像元件的曝光之前接收到用于开始下一次记录的下一指令之前将校正透镜(2)返回到光轴中心位置,然后对校正透镜进行中心停止控制 (2)。