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    • 11. 发明授权
    • Dielectric waveguide comprising connected dielectric strips
    • 介质波导包括连接的介质条
    • US06307451B1
    • 2001-10-23
    • US09114738
    • 1998-07-13
    • Atsushi SaitohToru TanizakiHiroshi NishidaIkuo TakakuwaYoshinori TaguchiNobuhiro KondoTaiyo Nishiyama
    • Atsushi SaitohToru TanizakiHiroshi NishidaIkuo TakakuwaYoshinori TaguchiNobuhiro KondoTaiyo Nishiyama
    • H01P316
    • H01P3/165H01P1/04
    • A dielectric waveguide designed to avoid the influence of reflection of electromagnetic waves at connected portions of dielectric strips and to have an improved characteristic. A third dielectric strip is inserted in a part of a connection section at which a first dielectric strip and a second dielectric strip are connected to each other, and the distances between the three connection planes in said connection section are determined so that a wave reflected at the connection plane between the first and third dielectric strips, a wave reflected at the connection plane between the first and second dielectric strips, and a wave reflected at the connection plane between the second and third dielectric strips are superposed with a phase difference of 2&pgr;/3 from each other. Alternatively or in addition, the distance between the first-second dielectric strip connection plane and the first-third dielectric strip connection plane is set to ⅙ of the guide wavelength of an electromagnetic wave propagating through the dielectric strips, and the distance between the first-second dielectric strip connection plane and the second-third dielectric strip connection plane is set to ⅙ of the guide wavelength. Reflected waves are thereby superposed in phase opposition to each other to cancel out. In this manner, propagation of a reflected signal to ports is limited.
    • 一种介质波导,设计用于避免电介质条连接部分电磁波反射的影响,并具有改进的特性。 将第三介质条插入连接部分的第一介质条和第二介质条彼此连接的部分中,并且确定所述连接部中的三个连接平面之间的距离,使得在 在第一和第三介质条之间的连接平面,在第一和第二介质条之间的连接平面处反射的波和在第二和第三介质条之间的连接平面反射的波被叠加,相位差为2pi / 3彼此。 或者或另外,第一介质条连接平面与第一至第三介质条连接面之间的距离设定为通过介质条传播的电磁波的引导波长的⅙, 第二介质条连接平面和第二 - 第三介质条连接平面被设置为导向波长的。。 因此,反射波彼此相对叠置以抵消。 以这种方式,将反射信号传播到端口是有限的。
    • 18. 发明授权
    • Guide marker and visual guide marker device
    • 指南标记和视觉指南标记装置
    • US06882300B2
    • 2005-04-19
    • US10395145
    • 2003-03-25
    • Fuminori NakamuraToru TanizakiYohei IshikawaTaiyo Nishiyama
    • Fuminori NakamuraToru TanizakiYohei IshikawaTaiyo Nishiyama
    • E01F9/619H01Q1/32H01Q15/00H01Q15/14
    • H01Q1/3225H01Q15/0013H01Q15/141
    • A guide marker includes a substrate and a radio-wave reflecting unit for reflecting radio waves at certain intensity in all directions in a virtual plane, including the incident direction of the radio waves, the radio-wave reflecting unit being provided in the surface of the substrate. The radio-wave reflecting unit includes a concave and convex portions provided in the substrate or radio-wave reflectors which resonate at the frequency of incident radio waves and which reflect the radio waves in the incident direction. The radio-wave reflectors are mounted on the substrate. A visual guide marker device includes one of a light-reflecting component having a reflection characteristic and a light-generating component which self-generates light, and a guide marker including a dielectric material.
    • 引导标记包括基板和无线电波反射单元,用于在包括无线电波的入射方向的虚拟平面中的全方向反射一定强度的无线电波,该无线电波反射单元设置在 基质。 无线电波反射单元包括设置在基板中的凹凸部或者以入射的无线电波的频率谐振并反射入射方向的无线电波的无线电波反射体。 无线电波反射器安装在基板上。 视觉指引标记装置包括具有反射特性的光反射部件和自发光的发光部件之中的一个,以及包括电介质材料的引导标记。
    • 20. 发明授权
    • Balanced-type mixer having circuit board
    • 平衡式混合器具有电路板
    • US5970401A
    • 1999-10-19
    • US924019
    • 1997-08-29
    • Hiroshi NishidaToru TanizakiKoichi Sakamoto
    • Hiroshi NishidaToru TanizakiKoichi Sakamoto
    • H01P3/16H01P5/02H01P5/10H03D9/06H04Q7/20
    • H01P5/1022H03D9/0641
    • A balanced-type mixer having easier mounting of a circuit board into a dielectric line apparatus, easier matching between a dielectric line and diodes, and reduced conversion loss. A first conductor pattern is disposed in a direction substantially perpendicular to first dielectric strips which constitute a first NRD guide, first and second filter circuits are provided at positions on opposite sides of the first dielectric strips, thus forming a first resonance circuit, and beam lead diodes are mounted in series within the resonance circuit. Further, a second conductor pattern is extended substantially from the midpoint between the filter circuits, and a third filter circuit is provided, thus forming a second resonance circuit. A second NRD guide based on second dielectric strips is connected to the second resonance circuit.
    • 一种平衡型混合器,其更容易将电路板安装到介质线装置中,更容易在介质线和二极管之间进行匹配,并降低了转换损耗。 第一导体图案设置在大致垂直于构成第一NRD导向器的第一介质条的方向上,第一和第二滤波器电路设置在第一介质条的相对侧上的位置处,从而形成第一谐振电路,以及光束引线 二极管串联安装在谐振电路内。 此外,第二导体图案基本上从​​滤波器电路之间的中点延伸,并且提供第三滤波器电路,从而形成第二谐振电路。 基于第二介质条的第二NRD引导件连接到第二谐振电路。