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    • 52. 发明授权
    • X-ray diagnosis apparatus
    • X光诊断仪
    • US06325537B1
    • 2001-12-04
    • US09393195
    • 1999-09-10
    • Naoto Watanabe
    • Naoto Watanabe
    • H05G102
    • A61B6/4441A61B6/4233A61B6/4458A61B6/4464
    • An X-ray generator is rotatably attached to one end of a C-shaped arm, and a planar X-ray detector is attached to the other end of the C-shaped arm via a link mechanism capable of freely changing a position/direction of the detector. The X-ray generator is rotated to achieve imaging in an oblique direction, without sliding/rotating the C-shaped arm. The link mechanism is driven in association with the rotation of the X-ray generator so that the X-ray detector may face the X-ray generator. Thus, the limit to the slide angle range can substantially be eliminated without degrading accessibility, and various positioning is achieved exactly and easily.
    • X射线发生器可旋转地安装在C形臂的一端,并且平面X射线检测器通过连接机构附接到C形臂的另一端,该连杆机构能够自由地改变位置/方向 检测器。 旋转X射线发生器以在倾斜方向上成像,而不会使C形臂滑动/旋转。 链接机构与X射线发生器的旋转相关联地被驱动,使得X射线检测器可以面向X射线发生器。 因此,可以基本上消除滑动角范围的限制,而不会降低可访问性,并且精确且容易地实现各种定位。
    • 53. 发明授权
    • X-ray diagnostic apparatus with C-shaped arms
    • 带C形臂的X线诊断仪
    • US6113264A
    • 2000-09-05
    • US57400
    • 1998-04-09
    • Naoto Watanabe
    • Naoto Watanabe
    • A61B6/00H05G1/02
    • A61B6/4441A61B6/466
    • A second C-shaped arm 5 is provided along an inner periphery of a first C-shaped arm 4, and a slide operation of the first C-shaped arm 4 is controlled and a slide operation of the second C-shaped arm 5 is controlled along the inner periphery of the first C-shaped arm 4. Accordingly, wide angle setting can be achieved to thus enable various positionings. Further, the second C-shaped arm 5 is controlled to be rotated over 360.degree. along the inner periphery of the first C-shaped arm 4 and an X-ray generator 6 is controlled to irradiate an X-ray intermittently or continuously every predetermined angle, so that three dimensional reconstruction can be accomplished based on image information every angle. As a result, three dimensional radioscopic images, etc. can be formed based on necessary and sufficient image information, whereby the X-ray diagnostic apparatus can be used like an X-ray CT apparatus.
    • 第二C形臂5沿着第一C形臂4的内周设置,并且控制第一C形臂4的滑动操作,并且控制第二C形臂5的滑动操作 沿着第一C形臂4的内周。因此,可以实现广角设定,从而实现各种定位。 此外,第二C形臂5被控制为沿着第一C形臂4的内周旋转360度,并且控制X射线发生器6以每隔预定角度间​​歇地或连续地照射X射线 ,因此可以基于每个角度的图像信息来实现三维重建。 结果,可以基于必要和足够的图像信息形成三维放射线图像等,从而可以像X射线CT装置那样使用X射线诊断装置。
    • 58. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US08693902B2
    • 2014-04-08
    • US13327208
    • 2011-12-15
    • Naoto WatanabeTetsuya Muto
    • Naoto WatanabeTetsuya Muto
    • G03G15/00
    • G03G15/5058G03G2215/0129G03G2215/0164
    • An image forming apparatus includes: a charging unit that uniformly charges a surface of a latent image carrier; a latent-image forming unit; a developing unit that performs development by causing toner to electrostatically adhere on the surface of the carrier; a transfer unit that transfers a toner image onto a recording medium; and an image-density adjusting unit that causes to form a multi-gradation patch pattern on the surface of the carrier, that causes to detect potentials of latent image patches in the multi-gradation patch pattern, that causes to detect a toner adhesion amount on each toner patch, and that performs control of an image density. One of part and all of the low-density latent image patches is a dot-dispersed latent image patch in which the arrangement of unit dot latent images in the basic dot matrix is determined so that a minimum center-to-center distance having a smallest value is maximized.
    • 一种图像形成装置包括:对潜像载体的表面均匀充电的充电单元; 潜像形成单元; 显影单元,其通过使调色剂静电粘附在载体的表面上来进行显影; 转印单元,其将调色剂图像转印到记录介质上; 以及图像浓度调整单元,其导致在载体的表面上形成多灰度贴片图案,其导致检测多层次贴片图案中的潜像斑块的电位,导致检测调色剂附着量 每个调色剂贴片,并且执行图像浓度的控制。 低密度潜像贴片的一部分和全部是点分散潜像贴片,其中确定基本点阵中的单位点潜像的布置,使得具有最小的中心至中心的最小距离 价值最大化。