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    • 1. 发明申请
    • Paving material for absorbing electromagnetic wave and pavement structure using it
    • 用于吸收电磁波和路面结构的铺路材料
    • US20050013661A1
    • 2005-01-20
    • US10491319
    • 2001-09-28
    • Toshio SaitoKenichi HarakawaYoshitaka WakinakaTakeshi KunishimaKenichi YoshimuraYoshifumi FujiiShin-ichiro AndohTakeo IwataMasakazu Sato
    • Toshio SaitoKenichi HarakawaYoshitaka WakinakaTakeshi KunishimaKenichi YoshimuraYoshifumi FujiiShin-ichiro AndohTakeo IwataMasakazu Sato
    • E01C7/00E01C9/00E01C11/16H01Q17/00
    • E01C11/16E01C7/00E01C9/00H01Q17/00H01Q17/004H01Q17/005
    • An electromagnetic absorber formed of conductive fiber or the like, such as carbon fiber having an overall length corresponding to the wavelength of electromagnetic waves to be absorbed, is mixed into a base material to form an electromagnetic wave-absorbing pavement material. The electromagnetic wave-absorbing pavement material is used to form a pavement having an electromagnetic wave absorbing course. Further, an electromagnetic wave reflecting course is disposed under the electromagnetic wave absorbing course, and the electric length of the electromagnetic wave reflecting course is set to a predetermined value in relation to the dielectric constant so that electromagnetic waves reflecting off the surface of the electromagnetic wave absorbing course and electromagnetic waves reflecting off the electromagnetic wave reflecting course have opposite phases and thereby cancel each other out, whereby the electromagnetic waves are absorbed well. Moreover, the pavement having the electromagnetic wave absorbing course is formed such that the average dielectric constant along a plane orthogonal to a direction of thickness of the electromagnetic wave absorbing course increases from the top surface to the bottom surface thereof. With this structure, the electromagnetic waves easily enter the top surface of a surface course formed of the electromagnetic wave-absorbing pavement material. Thus, the electromagnetic waves directly reflecting off the top surface of the surface course formed of the electromagnetic wave-absorbing pavement material (i.e., directly reflected waves) are reduced, such that the proportion of the electromagnetic waves entering the surface course formed of the electromagnetic wave-absorbing pavement material is increased. As a result, the electromagnetic waves are efficiently absorbed by the electromagnetic wave absorbing course.
    • 由导电纤维等形成的电磁吸收剂,其总长度对应于要被吸收的电磁波的波长的碳纤维,混入基材中,形成电磁波吸收路面材料。 电磁波吸收路面材料用于形成具有电磁波吸收过程的路面。 此外,在电磁波吸收路径下设置电磁波反射路线,电磁波反射路径的电长度相对于介电常数设定为规定值,使得从电磁波的表面反射的电磁波 反射离开电磁波反射过程的吸收过程和电磁波具有相反的相位,从而彼此抵消,从而电磁波被良好地吸收。 此外,具有电磁波吸收过程的路面形成为使得沿着与电磁波吸收过程的厚度方向正交的平面的平均介电常数从顶表面向底面增加。 利用这种结构,电磁波容易进入由电磁波吸收路面材料形成的表面层的顶面。 因此,由电磁波吸收路面材料(即直接反射波)形成的表面的顶表面直接反射的电磁波被减少,使得进入电磁波的电磁波的比例由电磁波形成 波浪吸收路面材料增加。 结果,电磁波被电磁波吸收过程有效地吸收。
    • 2. 发明授权
    • Centering method and apparatus
    • 定心方法和装置
    • US5727327A
    • 1998-03-17
    • US631983
    • 1996-04-15
    • Ryosaku WakabayashiYoshihiro TakaseKazuo OkazakiYoshifumi Fujii
    • Ryosaku WakabayashiYoshihiro TakaseKazuo OkazakiYoshifumi Fujii
    • G01B5/12G01B5/25G01B21/24
    • G01B5/12G01B21/24G01B5/25
    • A centering apparatus and method is provided which automatically measuring the radius or radius deviation of a large cylindrical bore, and shorten the time required for centering. The inspection apparatus is supported on a rise and fall base which is horizontally supported on a top portion of the large cylindrical bore in such a manner that it is allowed to vertically move in parallel with a fine wire which is hung perpendicularly from the center of the top portion. The inspection apparatus having a non-contact type two-dimensional position sensor for detecting the relative position of the fine wire to the cent-er of the inspection apparatus. The inspection apparatus is positioned at an arbitrary height. A pair of manipulator arms, which are in stalled on the inspection apparatus, which are substantially symmetrically balanced in gravity, are extended to a point immediately before an object to be measured, then a pair slider units mounted on the tip of one of the manipulator arms are extended until they come in contact with a object to be measured of the inner surface of the large cylindrical bore. Then the distance between the object to be measured and the reference position of the tip of one of the slider units is measured by a distance measuring device attached on the one of the slider units, or is measured by it after the vibration of the manipulator arms is isolated by contact members attached to the slider units, thereby the radius or radius deviation of the large cylindrical bore is measured.
    • 提供一种定心装置和方法,其自动测量大圆柱孔的半径或半径偏差,并缩短定心所需的时间。 检查装置被支撑在上下基座上,该基座水平地支撑在大圆柱形孔的顶部上,使得允许垂直于垂直于垂直方向垂直悬挂的细线垂直移动 顶部。 检查装置具有非接触型二维位置传感器,用于检测细线相对于检查装置的中心的相对位置。 检查装置位于任意高度。 在重力上基本对称平衡的在检查装置上停止的一对机械手臂延伸到紧接在待测物体之前的一点,然后安装在操纵器之一的尖端上的一对滑块单元 臂延伸直到它们与大圆柱形孔的内表面的被测量物体接触。 然后,被测量对象之间的距离与滑块单元之一的尖端的基准位置之间的距离测量装置测量,该距离测量装置安装在滑块单元之一上,或者在机械手臂的振动之后由其测量 通过附接到滑块单元的接触构件隔离,从而测量大圆柱孔的半径或半径偏差。