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    • 1. 发明授权
    • Apparatus for measuring the ratio of alcohol contained in mixed fuel
    • 用于测量混合燃料中所含醇的比率的装置
    • US4651085A
    • 1987-03-17
    • US597097
    • 1984-04-05
    • Takashi SakuraiHiroshi MizunoYoshihisa Shibata
    • Takashi SakuraiHiroshi MizunoYoshihisa Shibata
    • G01N22/00G01N33/28G01R27/04G01R27/26
    • G01N33/2852G01N22/00
    • An apparatus for measuring the ratio of alcohol contained in mixed fuel which flows through a fuel pipe to the engine. The fuel pipe is made of a high frequency signal permeable material such as rubber, teflon or nylon, for example. A microwave chamber is provided outside the fuel pipe, enclosing a part of the fuel pipe. The microwave chamber comprises a pair of wave guides opposed to each other with the fuel pipe interposed between them. One of the wave guides is provided with an antenna section for transmitting microwaves received from a microwave generator. The other wave guide is provided with a receiving antenna section for receiving the microwaves permeating through the fuel pipe through which the mixed fuel is flowing. The microwaves passing through the fuel pipe are attenuated according to the amount of alcohol in the fuel. The microwaves received by the antenna section are detected by a detector and converted to DC voltage signals which correspond to the strengths of the microwaves received and thus the amount of alcohol in the fuel.
    • 一种用于测量流经燃料管的混合燃料中所含的醇与发动机的比例的装置。 燃料管由例如橡胶,特氟隆或尼龙等高频信号透过材料制成。 在燃料管外部设置微波室,其包围燃料管的一部分。 微波室包括一对彼此相对的波导,燃料管插在它们之间。 波导中的一个设置有用于发送从微波发生器接收的微波的天线部分。 另一个波导设置有接收天线部分,用于接收透过混合燃料流过的燃料管的微波。 通过燃料管的微波根据燃料中的酒精量而减弱。 由天线部分接收的微波被检测器检测并转换成对应于所接收的微波的强度和因此燃料中的醇的量的直流电压信号。
    • 2. 发明授权
    • Antenna system incorporated in the air spoiler of an automobile
    • 天线系统结合在汽车的空气扰流器中
    • US4760402A
    • 1988-07-26
    • US868679
    • 1986-05-30
    • Hiroshi MizunoTakashi SakuraiYoshihisa Shibata
    • Hiroshi MizunoTakashi SakuraiYoshihisa Shibata
    • H01Q1/22H01Q1/32H01Q3/24H01Q3/26H01Q3/32
    • H01Q1/3291H01Q3/24H01Q3/32
    • An antenna system for use in an automotive vehicle comprises a housing mounted on a body of the automotive vehicle and having at least a portion of an upper surface thereof made of a dielectric material which transmits radio waves, at least one planar antenna disposed rotatably within the housing to receive radio waves transmitted through the portion of the upper surface of the housing made of the dielectric material, and driving means for driving the planar antenna to effect scanning of a radio wave receiving direction to search for the radio wave receiving direction of higher sensitivity. The housing protects the antenna system and maintains the fine appearance of the automotive vehicle. Further, the housing has a shape like that of an air spoiler, which makes it possible to maintain the satisfactory aerodynamic characteristic of the automotive vehicle.
    • 一种用于机动车辆的天线系统包括安装在机动车辆的主体上并具有至少一部分上表面的电介质材料的外壳,该绝缘材料传输无线电波,至少一个平面天线可旋转地设置在该车辆内 用于接收通过由介电材料制成的壳体的上表面部分传输的无线电波的外壳,以及用于驱动平面天线以实现无线电波接收方向扫描以搜索更高灵敏度的无线电波接收方向的驱动装置 。 外壳保护天线系统并保持机动车辆的美观。 此外,壳体具有类似于空气扰流器的形状,这使得可以保持机动车辆的令人满意的空气动力特性。
    • 3. 发明授权
    • Portable receiving antenna system
    • 便携式接收天线系统
    • US4816838A
    • 1989-03-28
    • US853176
    • 1986-04-17
    • Hiroshi MizunoYoshihisa ShibataTakashi Sakurai
    • Hiroshi MizunoYoshihisa ShibataTakashi Sakurai
    • H01Q13/20H01Q1/12H01Q1/27H01Q13/22H01Q21/06H04B7/185H01Q13/10
    • H01Q21/061H01Q1/125H01Q1/27H04B7/18571
    • A portable receiving antenna system for providing communication with a transmitting station carried by a geostationary satellite. The system includes a portable case, a flat plate antenna arranged to cover an opening of the portable case, and an adjustable support arranged within the portable case to support the flat plate antenna at an incident angle capable of receiving electromagnetic waves from the transmitting station. The flat plate antenna is in the form of a micro strip line slot array antenna including a dielectric layer, a metallic earth film formed with a plurality of spaced slots and secured to the surface of the dielectric layer in such a manner that the slots are arranged to receive the electromagnetic waves from the transmitting station, and a feeder line circuit secured to the rear surface of the dielectric layer. Preferably, an azimuth compass and a converter are mounted within the portable case, the converter being connected to an output terminal of the feeder line circuit.
    • 一种便携式接收天线系统,用于提供与地球同步卫星携带的发射台的通信。 该系统包括便携式外壳,布置成覆盖便携式外壳的开口的平板天线以及布置在便携式外壳内的可调节支撑件,以能够接收来自发射台的电磁波的入射角来支撑平板天线。 平板天线是微带线槽阵列天线的形式,其包括电介质层,形成有多个间隔开的槽的金属接地膜,并以这样的方式固定到电介质层的表面,使得槽布置 以接收来自发送站的电磁波,以及固定到电介质层的后表面的馈电线路电路。 优选地,方位罗盘和转换器安装在便携式外壳内,转换器连接到馈线电路的输出端。
    • 5. 发明授权
    • Antenna system
    • 天线系统
    • US4845506A
    • 1989-07-04
    • US879315
    • 1986-06-27
    • Yoshihisa ShibataHiroshi Mizuno
    • Yoshihisa ShibataHiroshi Mizuno
    • H01Q1/27G01S13/60H01Q3/24H01Q3/26H01Q25/00
    • G01S13/60H01Q25/004
    • A side-looking array antenna system is disclosed in which the inclination angle of the antenna main beam is determined depending on the intervals of a plurality of antenna elements forming an array. A switch is provided to selectively connect one of the ports of an antenna feeder to a signal source or the like. The switch is used to select one of the ports of the antenna feeder as an excitation port, thereby reversing the direction of inclination of the antenna main beam. The antenna main beam can thus be directed in either of the two directions by the operation of the switch. Also, by using this antenna system, a Doppler radar vehicle speedometer with small calculation error, automotive radar and the like may be simply configured.
    • 公开了一种侧视阵列天线系统,其中天线主波束的倾斜角度取决于形成阵列的多个天线元件的间隔。 提供开关以选择性地将天线馈线的端口之一连接到信号源等。 该开关用于选择天线馈线的一个端口作为激励端口,从而反转天线主波束的倾斜方向。 因此,通过开关的操作,天线主波束可以在两个方向中的任一方向上被引导。 此外,通过使用该天线系统,可以简单地配置具有小计算误差的多普勒雷达车辆速度计,汽车雷达等。
    • 6. 发明授权
    • Two-frequency slotted planar antenna
    • 双频开槽平面天线
    • US4775866A
    • 1988-10-04
    • US863939
    • 1986-05-16
    • Yoshihisa ShibataHiroshi Mizuno
    • Yoshihisa ShibataHiroshi Mizuno
    • H01Q13/08H01Q5/00H01Q9/04H01Q13/10H01Q13/18H01Q13/22H01Q21/00H01Q21/30H01Q1/38
    • H01Q21/064H01Q13/106H01Q5/35H01Q9/0407
    • A two-frequency planar antenna incorporates a resonant antenna and a slot antenna which are arranged in a superposed manner on the same dielectric substrate so as to be operable independently without interfering with each other. The two-frequency planar antenna includes a front conductor plate arranged on one surface of a dielectric substrate to serve as a radiation conductor plate of a resonant antenna and a slotted conductor of a slot antenna, a back conductor plate arranged on the other surface of the dielectric substrate to serve as a grounding conductor of the resonant antenna and a reflector of the slot antenna, and a slot antenna feed line embedded in the dielectric substrate. The slot antenna feed line is arranged along an axis where an electric field in an excitation mode of the resonant antenna is reduced to zero and at least one slot is formed in the front conductor plate along the feed line.
    • 双频平面天线包括谐振天线和缝隙天线,这些谐振天线和缝隙天线以叠加方式布置在相同的电介质基底上,以便独立地操作而不会彼此干扰。 双频平面天线包括:布置在电介质基板的一个表面上的前导体板,用作谐振天线的辐射导体板和缝隙天线的开槽导体;背导体板,布置在 用作谐振天线的接地导体的电介质基板和缝隙天线的反射器,以及嵌入电介质基板中的槽天线馈电线。 缝隙天线馈电线沿着谐振天线的激励模式中的电场减小到零的轴线布置,并且沿着馈电线在前导体板中形成至少一个槽。