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    • 111. 发明申请
    • Driving apparatus
    • 驱动装置
    • US20070109412A1
    • 2007-05-17
    • US11598358
    • 2006-11-13
    • Yoshihiro Hara
    • Yoshihiro Hara
    • H04N5/225H04N5/228
    • H04N5/23248G03B2205/0023G03B2205/0076H04N5/2251H04N5/23258H04N5/23287
    • In an auto image stabilization system, a driving member formed as a wire of shape memory alloy (SMA) is retained by a projection of an image capturing unit. A distance Lb from the rotation center of an elastic deforming part to center of gravity (point of application) of the image capturing unit is longer than a distance La from the rotation center of the elastic deforming part to the projection (power point). In the configuration, equivalent mass (apparent mass) of the image capturing unit becomes (Lb/La) times, and it causes deterioration in response. Consequently, the driving member having an ellipse-shaped section in which a value obtained by dividing the width in the longer direction of the section by the width in the shorter direction is 1.3 or larger is employed. As a result, heat dissipation of the driving member increases, so that response in the SMA actuator can be properly improved.
    • 在自动图像稳定系统中,形成为形状记忆合金(SMA)的线的驱动构件由图像捕获单元的投影保持。 从弹性变形部的旋转中心到图像拍摄单元的重心(施加点)的距离Lb比从弹性变形部的旋转中心到投影(动力点)的距离La长。 在该结构中,图像拍摄单元的等效质量(视在质量)变为(Lb / La)倍,并且导致响应恶化。 因此,采用具有椭圆形截面的驱动构件,其中通过将截面的长度方向上的宽度除以短边方向的宽度获得的值为1.3或更大。 结果,驱动构件的散热增加,从而可以适当地改善SMA致动器中的响应。
    • 113. 发明授权
    • Driving device, position controller provided with driving device, and camera provided with position controller
    • 驱动装置,带有驱动装置的位置控制器和配有位置控制器的摄像机
    • US07085484B2
    • 2006-08-01
    • US10617634
    • 2003-07-11
    • Yoshihiro Hara
    • Yoshihiro Hara
    • G03B17/00H01L41/04
    • H02N2/067G02B7/08H02N2/025H02N2/062
    • A driving device for an ultrasonic actuator for driving a movable member is provided with a member sensor for detecting a present position of the movable member, a calculator for calculating a control target position of the movable member, a driving circuit for generating such a drive voltage as to drive the ultrasonic actuator in a specified resonant state, and a control circuit for controlling an operative state of the movable member by adjusting at least one of physical quantities specifying the drive voltage as a maneuverable physical quantity in accordance with a difference between the present position and the control target position so that the movable member pursues the control target position. There can be provided a driving device capable of executing a position servo control while being driven in a specified resonant state, and a position controller and a camera provided with such a driving device.
    • 用于驱动可动件的超声波致动器的驱动装置设置有用于检测可动件的当前位置的构件传感器,用于计算可动构件的控制目标位置的计算器,用于产生这种驱动电压的驱动电路 以便将超声波致动器驱动到规定的共振状态,以及控制电路,用于通过根据本发明的差异调整指定驱动电压的物理量作为可机动物理量的至少一个来控​​制可动部件的工作状态 位置和控制目标位置,使得可动构件追求控制目标位置。 可以提供能够在以规定的谐振状态驱动的同时执行位置伺服控制的驱动装置,以及设置有这种驱动装置的位置控制器和照相机。
    • 114. 发明授权
    • Breather device of engine
    • 发动机呼吸器
    • US07055509B2
    • 2006-06-06
    • US10749395
    • 2004-01-02
    • Yoshihiro Hara
    • Yoshihiro Hara
    • F02M13/00
    • F01M13/04F01M13/022F02M25/06Y02T10/121
    • A breather device of an engine is connected to an engine suction system. A breather chamber thereof for separating a blowby gas generated inside a crank chamber of the engine into gas and liquid is formed so as to face to a mating face of a plurality of cases, including a crankcase, connected to each other via a gasket, and a communication port is formed to the gasket, through which the blowby gas comes and goes in a space within the plurality of cases to thereby carry out the gas-liquid separation of the blowby gas. A cam chamber receiving a cam for driving a valve train provided for a cylinder head of the engine is arranged at a connection portion of the plurality cases including the crankcase in a sectioned manner in adjacent to the crank chamber in an axial direction of the crankshaft, and the breather chamber is formed above the cam chamber, the breather chamber being provided with a main opening so as to face to the cam chamber.
    • 发动机的通气装置连接到发动机抽吸系统。 形成用于将发动机曲轴室内产生的窜气分离成气体和液体的通气室,以便面对通过垫圈相互连接的多个壳体(包括曲轴箱)的配合面,以及 在垫圈上形成有通气口,通过该密封件,窜气通过该通气口进入多个箱体内的空间,从而进行气液分离。 接收用于驱动设置在发动机的气缸盖上的气门机构的凸轮的凸轮室布置在包括曲轴箱的多个壳体的连接部分上,该曲轴箱在曲轴的轴向方向上与曲柄室相邻, 并且所述通气室形成在所述凸轮室的上方,所述通气室设置有与所述凸轮室相对的主开口。
    • 117. 发明授权
    • Image sensing apparatus
    • 影像传感装置
    • US06944395B2
    • 2005-09-13
    • US10655938
    • 2003-09-05
    • Yoshihiro Hara
    • Yoshihiro Hara
    • G03B5/00G03B17/00H04N5/232H04N101/00
    • G03B17/00
    • An image sensing apparatus includes: a yaw sensor for detecting a shake of the image sensing apparatus in a yaw direction, a pitch sensor for detecting a shake of the image sensing apparatus in a pitch direction, the pitch sensor having a detection precision higher than the yaw sensor, and a shake correcting section for correcting a shake of the image sensing apparatus based on an output signal from the yaw sensor and an output signal from the pitch sensor. The shake correction can be performed with higher precision.
    • 一种摄像装置包括:用于检测偏转方向上的图像感测装置的抖动的偏航传感器,用于在俯仰方向上检测摄像装置的抖动的俯仰传感器,所述俯仰传感器的检测精度高于 偏航传感器和抖动校正部分,用于基于来自偏航传感器的输出信号和来自俯仰传感器的输出信号来校正摄像装置的抖动。 可以更高精度地执行抖动校正。