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    • 71. 发明授权
    • Portable wireless unit
    • 便携式无线单元
    • US07609212B2
    • 2009-10-27
    • US11718165
    • 2005-11-08
    • Kenichi SatoYukinari TakahashiSatoshi Watanabe
    • Kenichi SatoYukinari TakahashiSatoshi Watanabe
    • H01Q1/24
    • H01Q21/29H01Q1/243H01Q9/16H04M1/0235
    • A portable wireless unit having high antenna performance, which comprises: a first case having a first antenna element, a second antenna element and a second feeding section; a second case having a third antenna element, a third feeding section and a circuit board provided with a ground pattern; and a coupling section consisting of first and second electrically connected conductive coupling elements and coupling the first case and the second case to be extended and housed freely. The second coupling element is provided in the first case while being connected electrically with the first antenna element, the first coupling element is provided in the second case while being connected electrically with the first feeding section, and the first antenna element, the coupling section, and the ground pattern are operated as a dipole antenna.
    • 一种具有高天线性能的便携式无线单元,包括:第一壳体,具有第一天线元件,第二天线元件和第二馈电部分; 第二壳体,具有第三天线元件,第三馈电部分和设置有接地图案的电路板; 以及耦合部分,其由第一和第二电连接的导电耦合元件组成,并且将第一壳体和第二壳体联接以自由地延伸和容纳。 第二耦合元件设置在与第一天线元件电连接的第一壳体中,第一耦合元件设置在第二壳体中,同时与第一馈电部分电连接,第一天线元件,耦合部分, 并且接地图案作为偶极天线工作。
    • 72. 发明授权
    • Zoom lens and imaging apparatus
    • 变焦镜头和成像设备
    • US07602558B2
    • 2009-10-13
    • US12167675
    • 2008-07-03
    • Kenichi Sato
    • Kenichi Sato
    • G02B15/14
    • G02B15/173G02B5/04
    • A zoom lens is provided and includes: in order from the object side, a first lens group having a positive power and including in order from the object side, a negative lens, a reflecting member that bends an optical path by substantially 90°, and a positive lens having biconvex shape which has at least one aspherical surface; a second lens group having a negative power and including two lenses; a third lens group having a positive power; and a fourth lens group having a positive power and including in order from the object side, a cemented lens having a negative power and a positive lens having a meniscus shape which has at least one aspherical surface and a convex surface on the object side. The zoom lens is adapted to change a magnification thereof by moving the second lens group and forth lens group, and satisfies specific conditional equations.
    • 提供一种变焦透镜,其包括:从物体侧开始,具有正光焦度并且从物体侧起依次包括第一透镜组,负透镜,使光路弯曲大致90°的反射部件,以及 具有至少一个非球面的具有双凸形状的正透镜; 具有负功率并包括两个透镜的第二透镜组; 具有正功率的第三透镜组; 以及第四透镜组,其具有正的光焦度并且从物体侧依次包括具有负光焦度的胶合透镜和具有弯月面形状的正透镜,所述弯月面在物体侧具有至少一个非球面和凸面。 变焦镜头适于通过移动第二透镜组和透镜组来改变其放大率,并且满足特定的条件方程式。
    • 73. 发明授权
    • Imaging Lens
    • 成像镜头
    • US07589918B2
    • 2009-09-15
    • US11860384
    • 2007-09-24
    • Kenichi Sato
    • Kenichi Sato
    • G02B9/34
    • G02B13/004G02B9/34
    • A single focus imaging lens comprises: a front lens group including one or two lenses and having a positive refractive power as a whole; a rear lens group including two or three lenses and having a negative refractive power as a whole; and a focusing lens, disposed between the front lens group and the rear lens group, that has a positive refractive power and moves on an optical axis for adjusting focus, wherein the following conditional expression is satisfied: 1.0
    • 单焦点成像透镜包括:包括一个或两个透镜并且整体具有正折射光焦度的前透镜组; 包括两个或三个透镜并且整体具有负折射光焦度的后透镜组; 以及设置在前透镜组和后透镜组之间的聚焦透镜,其具有正折射光焦度并在光轴上移动以调整焦点,其中满足以下条件表达式:<?in-line-formula description = “直线公式”end =“lead”?> 1.0 其中f:焦距 的单焦点成像镜头; FL:聚焦镜头的焦距。
    • 75. 发明申请
    • Electromagnetic Fuel Injection Valve
    • 电磁燃油喷射阀
    • US20080251613A1
    • 2008-10-16
    • US11579387
    • 2005-10-06
    • Akira AkabaneKenichi Sato
    • Akira AkabaneKenichi Sato
    • F02M51/06
    • F02M51/0675F02M51/0614F02M61/168F02M61/18F02M2200/8061F02M2200/8084Y10T29/49432
    • An electromagnetic fuel injection valve is provided in which a cylindrical magnetic body is welded to a valve seat member having at the rear end thereof a tubular press-fit portion press-fitted into a front portion of the cylindrical magnetic body, a valve body is housed in the valve seat member while being spring-biased in a direction that seats the valve body on a valve seat, and a movable core facing a fixed core is coaxially connected to the valve body, wherein the valve seat member (10) includes the tubular press-fit portion (10a), a large diameter portion (10b) that has substantially the same outer diameter as the outer diameter of the cylindrical magnetic body (9), and an annular shoulder portion (10c) that is formed as a flat face perpendicular to the outer peripheral face of the tubular press-fit portion (10a) and provides a connection between the tubular press-fit portion (10a) and the large diameter portion (10b), an annular abutment receiving face (9a) at the front end of the cylindrical magnetic body (9) is formed so as to define a right angle relative to the inner peripheral face of the cylindrical magnetic body (9), the annular abutment receiving face (9a) abutting against the annular shoulder portion (10c) over substantially the entire face, and the front end of the cylindrical magnetic body (9) and the abutment portion of the valve seat member (10) are welded together along the entire periphery. This enables the thickness of the cylindrical magnetic body to be reduced, thus making it small and improving the responsiveness.
    • 提供了一种电磁燃料喷射阀,其中圆柱形磁体焊接到阀座构件,阀座构件的后端具有压配合到圆柱形磁体的前部的管状压配合部,容纳阀体 在阀座构件的同时沿阀座上的阀体的方向进行弹簧偏压,并且面向固定铁芯的可动铁心与阀体同轴连接,其中阀座构件(10)包括管状 压配合部分(10a),具有与圆柱形磁体(9)的外径基本相同的外径的大直径部分(10b)和环形肩部(10c),其形成为 与所述管状压入部(10a)的外周面垂直的平面,并且提供所述管状压入部(10a)与所述大径部(10b)之间的连接,所述环状的抵接接收面 (9 a)at 圆柱形磁体(9)的前端形成为相对于圆柱形磁性体(9)的内周面形成直角,环形邻接接收面(9a)抵靠环形肩部 (10c),并且圆柱形磁体(9)的前端和阀座构件(10)的抵接部分沿着整个周边焊接在一起。 这样就可以减小圆柱形磁性体的厚度,从而使其变小并提高响应性。
    • 76. 发明授权
    • Zoom lens including four lens groups
    • 变焦镜头包括四个镜头组
    • US07315423B2
    • 2008-01-01
    • US11345318
    • 2006-02-02
    • Kenichi Sato
    • Kenichi Sato
    • G02B15/14G02B17/00
    • G02B15/173G02B5/04
    • A zoom lens that is designed to enable a thinner image pickup device includes, in order from the object side, a first lens group having positive refractive power and a reflecting surface for folding the optical axis of the zoom lens approximately ninety degrees, a second lens group having negative refractive power, a third lens group having positive refractive power with a stop at its image side, and a fourth lens group having positive refractive power. The second lens group and the fourth lens group move along the optical axis during zooming, and the fourth lens group moves along the optical axis during focusing. The four lens groups have particular constructions and the zoom lens satisfies specified conditions related to the focal lengths of specified lens groups, the focal length of the zoom lens at the telephoto end, and the Abbe number of a specified lens element.
    • 设计成能够实现更薄的图像拾取装置的变焦透镜包括从物体侧起依次具有正折射力的第一透镜组和用于将变焦透镜的光轴近似折射约90度的反射表面,第二透镜 具有负屈光力的组,具有在其像侧具有停止的正折射力的第三透镜组和具有正折光力的第四透镜组。 第二透镜组和第四透镜组在变焦期间沿着光轴移动,并且第四透镜组在聚焦期间沿着光轴移动。 四个透镜组具有特定结构,并且变焦透镜满足与指定透镜组的焦距相关的特定条件,在望远端的变焦透镜的焦距以及指定的透镜元件的阿贝数。
    • 78. 发明申请
    • IMAGING LENS
    • 成像镜头
    • US20070229981A1
    • 2007-10-04
    • US11727574
    • 2007-03-27
    • Kenichi SatoMinoru Taniyama
    • Kenichi SatoMinoru Taniyama
    • G02B13/18
    • G02B13/18G02B9/16G02B13/0035
    • An imaging lens comprises, in order from an object side: a first lens having a positive refractive power; a second lens having a negative refractive power whose concave surface faces to the object; and a third lens having a positive refractive power and having a meniscus form that has a convex surface, facing to the object, in a portion at and around an optical axis of the imaging lens; wherein the first, second and third lenses have at least one aspheric surface, and wherein the imaging lens satisfies conditional expressions given below: 0.7
    • 成像透镜从物体侧依次包括具有正折光力的第一透镜; 具有凹面朝向物体的负屈光力的第二透镜; 以及第三透镜,其具有正屈光力并且具有弯月形,其在成像透镜的光轴的周围和周围具有面向物体的凸表面; 其中所述第一,第二和第三透镜具有至少一个非球面,并且其中所述成像透镜满足以下给出的条件表达式:<?in-line-formula description =“In-line Formulas”end =“lead”?> 0.7 < f1 / f <1.3(1)<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead” ?> 0.2 <?in-line-formula description =“In-line Formulas”end =“lead”?> 0.3 <| f2 / f | <0.8(3)<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“ 在线公式“end =”lead“?> 0.5 其中f:焦距 f 1:第一透镜的焦距,f 2:第二透镜的焦距,f 3:第三透镜的焦距,以及D 2:在光轴上的间隔, 在第一透镜和第二透镜之间。