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    • 2. 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。
    • 7. 发明申请
    • Camera system and camera body
    • 相机系统和相机机身
    • US20090003813A1
    • 2009-01-01
    • US12068920
    • 2008-02-13
    • Sueyuki Ohishi
    • Sueyuki Ohishi
    • G03B17/00
    • H04N5/23248H04N5/23258H04N5/23261H04N5/23287
    • This camera system includes: a vibration compensation unit including a vibration compensation optical system and an image-capturing unit; a drive unit that drives the vibration compensation unit; a detection unit that detects vibration; a position detection unit that detects the position of the vibration compensation unit; a target position determination unit that determines a target position for the vibration compensation unit according to the vibration of the camera; a calculation unit that calculates a drive amount for the drive unit; a range of movement limitation unit that limits the position of the vibration compensation unit within a range; a range setting unit that sets a movement permitted range that is within the range in which the vibration compensation unit can be positioned; and a centering unit that controls the drive unit so that the vibration compensation unit is centered in the center of the movement permitted range.
    • 该照相机系统包括:振动补偿单元,包括振动补偿光学系统和图像捕获单元; 驱动振动补偿单元的驱动单元; 检测单元,检测振动; 位置检测单元,其检测所述振动补偿单元的位置; 目标位置确定单元,其根据照相机的振动确定振动补偿单元的目标位置; 计算单元,计算驱动单元的驱动量; 运动限制单元的范围,其将振动补偿单元的位置限制在一定范围内; 范围设定单元,其设定在所述振动补偿单元能够被定位的范围内的移动允许范围; 以及控制驱动单元的定心单元,使得振动补偿单元在移动允许范围的中心为中心。
    • 8. 发明授权
    • Vibration reduction device and vibration detecting device and micro signal processing device for use in vibration reduction device
    • 用于减振装置的减振装置及振动检测装置及微信号处理装置
    • US06801247B1
    • 2004-10-05
    • US08989762
    • 1997-12-12
    • Sueyuki OhishiFumiya Taguchi
    • Sueyuki OhishiFumiya Taguchi
    • H04N5228
    • H04N5/23258H04N5/23248H04N5/23287
    • A vibration detecting device for detecting vibration in a camera, a video movie camera or the like, a vibration reduction device and a micro signal processing circuit. The vibration detecting device comprises a vibration detector for detecting a vibration to output a vibration detecting signal, a calculator for performing a predetermined operation based on the vibration detecting signal, and a controller for determining whether or not an operation output signal of the calculator exceeds a predetermined range. The controller is provided with an operation signal generator for generating an operation signal when the operation output signal exceeds the predetermined range, and the calculator is provided with an initializing portion for returning the operation output signal into the predetermined range based on the operation signal. In the vibration detecting circuit, a DC offset component can be suppressed.
    • 一种用于检测相机,视频电影摄像机等中的振动的振动检测装置,减振装置和微信号处理电路。 振动检测装置包括:振动检测器,用于检测振动以输出振动检测信号;计算器,用于基于振动检测信号执行预定的操作;以及控制器,用于确定计算器的操作输出信号是否超过 预定范围。 控制器设置有操作信号发生器,用于当操作输出信号超过预定范围时产生操作信号,并且计算器设置有初始化部分,用于基于操作信号将操作输出信号返回到预定范围内。 在振动检测电路中,可以抑制DC偏移分量。