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    • 3. 发明授权
    • Camera with vibration compensation device varying the compensating action in accordance with the focal length of a lens and the distance to the subject
    • 具有振动补偿装置的相机根据镜头的焦距和与被摄体的距离改变补偿动作
    • US06332060B1
    • 2001-12-18
    • US09298985
    • 1999-04-26
    • Hidenori MiyamotoYoshio ImuraMinoru KatoSueyuki OhishiNobuhiko TeruiTatsuo Amanuma
    • Hidenori MiyamotoYoshio ImuraMinoru KatoSueyuki OhishiNobuhiko TeruiTatsuo Amanuma
    • G03B1700
    • G03B5/00G03B2205/0015G03B2205/0053G03B2217/005
    • A camera is provided which has a vibration detection unit that detects vibration, a photographic focal length detection unit which detects the focal length of the photographic optical system, and a distance-measurement unit that measures the distance to the object being photographed. The vibration compensation device employs drive motors as a vibration compensation unit. The drive motors have a start up time which is at least as fast as the acceleration of a vibration having roughly a sine wave shape with a frequency of 10 Hz and a maximum velocity of 7.5 mm/sec. Such a motor is able to reach the maximum velocity of the vibration in under 25 ms. Additionally, a correct compensating coefficient calculation unit is provided which, from the output of the photographic focal length detection unit and the output of the distance-measurement unit, calculates a correct compensation coefficient for determining how much to change the optical axis of the photographic optical system relative to the output of the vibration detection unit. The vibration compensation device compensates for vibrations by driving the motor to change the optical axis of the photographic optical system of the camera in response to the compensation coefficient and the output of the vibration detection unit.
    • 提供了具有检测振动的振动检测单元的摄像机,检测摄影光学系统的焦距的摄影焦距检测单元和测量到被拍摄物体的距离的距离测量单元。 振动补偿装置采用驱动电动机作为振动补偿装置。 驱动电动机的启动时间至少等于具有大致正弦波形的频率为10Hz,最大速度为7.5mm / sec的振动的加速度。 这样的电机能够在25ms以内达到振动的最大速度。 另外,提供了一个正确的补偿系数计算单元,其从摄影焦距检测单元的输出和距离测量单元的输出计算出正确的补偿系数,以确定改变摄影光学器件的光轴的程度 系统相对于振动检测单元的输出。 振动补偿装置通过驱动电动机来响应于补偿系数和振动检测单元的输出来改变照相机的摄影光学系统的光轴来补偿振动。
    • 8. 发明授权
    • Camera-shake preventing device
    • 防抖装置
    • US5337098A
    • 1994-08-09
    • US5566
    • 1993-01-19
    • Kazuharu ImafujiNobuhiko Terui
    • Kazuharu ImafujiNobuhiko Terui
    • G01M11/00G02B27/64G03B5/00G03B17/00G03B39/00
    • G03B5/00G03B2205/0007G03B2205/0053G03B2207/005G03B2217/007
    • A camera-shake preventing device for preventing an image deflection due to a camera-shake by driving a part of an optical system on detecting the camera-shake, device being capable of restraining a futile consumption of a battery and previously confirming an effect to compensate the camera-shake.The device has a camera-shake detector, a computing unit, a camera-shake compensating lens, a lens driving unit and a compensating mode selecting unit. The camera-shake detector detects the camera-shake caused by a hand movement. The computing unit computes a proper camera-shake compensation quantity from the detected camera-shake. The camera-shake compensating lens is drivable for compensating the camera-shake. The lens driving unit drives the camera-shake compensating lens in such a direction as to cause no image deflection in accordance with the compensation quantity computed by the computing unit. The compensating mode selecting unit selects any one of camera-shake compensating modes, i.e., a regular compensating mode for regularly compensating the camera-shake after a release button has been half-depressed and a release compensating mode for compensating the camera-shake after the release button has been full-depressed.
    • 一种防抖装置,用于通过在检测到相机抖动时驱动光学系统的一部分来防止由于相机抖动引起的图像偏转,该装置能够限制电池的无效消耗,并且先前确认补偿的效果 相机震动。 该装置具有相机抖动检测器,计算单元,相机抖动补偿透镜,透镜驱动单元和补偿模式选择单元。 相机抖动检测器检测由手动造成的相机抖动。 计算单元从检测到的相机抖动中计算适当的相机抖动补偿量。 相机抖动补偿镜头可驱动,以补偿相机抖动。 透镜驱动单元驱动照相机抖动补偿透镜,使得不会根据由计算单元计算的补偿量导致图像偏转。 补偿模式选择单元选择相机抖动补偿模式中的任何一种,即,在半按下释放按钮之后定期补偿相机抖动的常规补偿模式以及用于补偿相机抖动之后的释放补偿模式 释放按钮已被全按下。