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    • 55. 发明授权
    • Objective changing-over apparatus
    • 客观更换装置
    • US06437911B1
    • 2002-08-20
    • US09660887
    • 2000-09-13
    • Kazuhiro Hasegawa
    • Kazuhiro Hasegawa
    • G02B2100
    • G02B21/248
    • The objective changing-over apparatus of the present invention mounted on a microscope, for changing over two objectives on the microscope optical axis by electric power using a driving source comprises a rotation member to fit the two objectives, and two abutting members for limiting the rotation range of the rotation member, a transmission mechanism having a rotation area including a transmission area for transmitting the force and larger than the rotation range of the rotation member limited by the abutting member, for transmitting the force from the driving source to the rotation member by the transmission area.
    • 安装在显微镜上的用于通过使用驱动源的电力在显微镜光轴上改变两个物镜的本发明的目标切换装置包括:旋转构件,用于装配两个物镜;以及两个邻接构件,用于限制旋转 旋转构件的范围,具有旋转区域的传动机构,该旋转区域包括用于传递力的传动区域,并且大于由抵接构件限制的旋转构件的旋转范围,用于将力从驱动源传递到旋转构件, 传输区域。
    • 56. 发明授权
    • Developing apparatus having magnetic lower limit domain between repulsion magnetic fields
    • 在排斥磁场之间具有磁下限域的显影装置
    • US06421520B2
    • 2002-07-16
    • US09757620
    • 2001-01-11
    • Koji MasudaShigeo KimuraTakao OgataKazuhiro Hasegawa
    • Koji MasudaShigeo KimuraTakao OgataKazuhiro Hasegawa
    • G03G1509
    • G03G15/0921
    • When the structure is arranged such that one of the repulsion poles is used as a developer layer thickness regulation pole, screw pitch-shaped density unevenness occurred at the rear end of a solid black image. To provide a developing apparatus, comprising a developing container containing developer including magnetic carrier and non-magnetic toner, a developer bearing body provided at an opening of the developer container, for rotating while bearing the developer, a magnet member provided within the developer bearing body, the magnet member having a first magnetic pole, and a second magnetic pole adjacent on the downstream side of the developer bearing body of the first magnetic pole in a direction of rotation thereof, having a second magnetic pole having the same polarity as the first magnetic pole, a regulating member provided in the vicinity of the second magnetic pole, for regulating an amount of developer on the developer bearing body, in which between the first magnetic pole and the second magnetic pole, there exists 40° or more an area having 8 mT or less in magnetic flux density in the direction of the normal to the surface of the developer bearing body.
    • 当结构被布置为使得排斥极中的一个用作显影剂层厚度调节极时,在黑色黑色图像的后端处发生螺距螺距形密度不均匀。 为了提供一种显影装置,包括显影容器,该显影容器含有包含磁性载体和非磁性调色剂的显影剂,显影剂承载体,设置在显影剂容器的开口处,用于在承载显影剂的同时旋转;设置在显影剂承载体内的磁性构件 具有第一磁极的磁体部件和与第一磁极的旋转方向相邻的第一磁极的显影剂承载体的下游侧的第二磁极,具有与第一磁极相同极性的第二磁极 极,设置在第二磁极附近的调节构件,用于调节在第一磁极和第二磁极之间的显影剂承载体上的显影剂的量存在40°以上的面积为8 在显影剂承载体的表面的法线方向上的磁通密度为mT以下。