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    • 23. 发明授权
    • LSM and LSE mode dielectric waveguide having propagating and
non-propagating regions
    • LSM和LSE模式介质波导具有传播和非传播区域
    • US5982255A
    • 1999-11-09
    • US724773
    • 1996-10-03
    • Toru TanizakiHiroshi NishidaAtsushi Saitoh
    • Toru TanizakiHiroshi NishidaAtsushi Saitoh
    • H01P1/02H01P1/38H01P3/16
    • H01P3/165
    • A dielectric waveguide has a dielectric member disposed between a pair of parallel conductor flat surfaces, such that a propagating region and a non-propagating region are formed. The spacing between the conductor flat surfaces in the non-propagating region is determined to be smaller than that in the propagating region. The above-mentioned spacings and the dielectric constant of the dielectric member are determined such that the cut-off frequency of the LSM.sub.01 mode propagating through the propagating region is lower than the cut-off frequency of the LSE.sub.01 mode and that electromagnetic waves of both the LSM.sub.01 mode and the LSE.sub.01 mode are cut-off in the non-propagating region, so that any transmission loss attributable to a mode conversion between the LSM.sub.01 mode and LSE.sub.01 mode occurring at, for example, a bend of the waveguide is eliminated so as to facilitate production of the waveguide having a desired bend angle and radius of curvature.
    • 电介质波导具有设置在一对平行导体平面之间的电介质构件,从而形成传播区域和非传播区域。 非传播区域中的导体平面之间的间隔被确定为小于传播区域中的导体平面之间的间隔。 确定介电构件的上述间隔和介电常数,使得通过传播区域传播的LSM01模式的截止频率低于LSE01模式的截止频率,并且两者的电磁波 LSM01模式和LSE01模式在非传播区域中被切断,从而消除了在例如波导的弯曲处发生的在LSM01模式和LSE01模式之间的模式转换引起的任何传输损耗,从而 有助于制造具有所需弯曲角和曲率半径的波导。
    • 30. 发明授权
    • Communication module for a means of transportation
    • 交通工具通讯模块
    • US06239757B1
    • 2001-05-29
    • US08837836
    • 1997-04-22
    • Youhei IshikawaToru Tanizaki
    • Youhei IshikawaToru Tanizaki
    • H01Q132
    • G01S7/032G01S13/74G01S13/931G01S2013/9375G01S2013/9389H01Q1/3233H01Q13/28H01Q21/0068
    • A communication module for a vehicle including an automobile, a vessel or the like, the communication module being disposed on a back side or inside of an identification plate of the means of transportation. The communication module is formed of a millimeter wave integrated circuit section and a plane antenna section. The millimeter wave integrated circuit section has two conductive plates arranged in parallel with each other, and a dielectric stripline and an electric element disposed between the conductive plates. The plane antenna section has two conductive plates arranged in parallel with each other, a dielectric stripline disposed between the conductive plates and a slot made in one of the conductive plates. At least a respective one of the conductive plates of the millimeter wave integrated circuit section and a respective one of the conductive plates of the plane antenna section are integrated in a plane. The identification plate is made of a material which transmits a millimeter wave with a small loss, for example, polycarbonate, polybutylene terephthalate, polypropylene reinforced with glass fiber, ABS resin or the like.
    • 一种用于车辆的通信模块,包括汽车,船舶等,所述通信模块设置在所述运输工具的识别板的背面或内部。 通信模块由毫米波集成电路部分和平面天线部分组成。 毫米波集成电路部分具有彼此并联布置的两个导电板,以及布置在导电板之间的介质带状线和电气元件。 平面天线部分具有彼此平行布置的两个导电板,布置在导电板之间的介质带状线和在一个导电板中制成的槽。 毫米波集成电路部分的至少一个导电板和平面天线部分的相应一个导电板被集成在平面中。 识别板由透射具有小损耗的毫米波的材料制成,例如聚碳酸酯,聚对苯二甲酸丁二醇酯,用玻璃纤维增​​强的聚丙烯,ABS树脂等。