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    • 2. 发明授权
    • Backflow prevention structure and a backflow prevention unit for a liquid medicine injection device
    • 防回流结构和液体药物注射装置的防回流单元
    • US06231539B1
    • 2001-05-15
    • US09499346
    • 2000-02-08
    • Mitsuyoshi InoueYasuo KomatsuAtsushi Yamamoto
    • Mitsuyoshi InoueYasuo KomatsuAtsushi Yamamoto
    • A61M100
    • A61M5/14526A61M39/24A61M2209/045
    • A backflow prevention structure, which is to be connected to a liquid medicine inlet of a liquid medicine injection device for injecting a liquid medicine in a liquid medicine retaining vessel of the liquid medicine injection device into a body part, includes a backflow prevention valve element provided at the liquid medicine inlet for preventing backflow of the liquid medicine from the liquid medicine retaining vessel. The backflow prevention valve element has a beaklike nonreturn valve and an annular valve and the liquid medicine is introduced into the liquid medicine retaining vessel through the beaklike nonreturn valve, and the liquid medicine in the liquid medicine retaining vessel is allowed to flow in a reverse direction via the annular valve when a negative pressure is produced on one side of the backflow prevention valve element opposite to the liquid medicine retaining vessel.
    • 将与液体药剂注入装置的液体药剂保持容器内注入液体药物的液体药剂注入装置的液体药剂入口连接的主体部的防回流结构具有防回流阀构件, 在液体药剂入口处,用于防止液体药物从药液保持容器回流。 防回流阀元件具有喙形止回阀和环形阀,液体药物通过喙状止回阀引入液体药剂保持容器中,使药液保持容器中的液体药物沿相反方向流动 通过环形阀,当在与止液容器相对的防逆流阀元件的一侧产生负压时。
    • 6. 发明授权
    • Antenna apparatus including multiple antenna portions on one antenna element operable at multiple frequencies
    • 天线设备包括在多个频率上可操作的一个天线单元上的多个天线部分
    • US08773317B2
    • 2014-07-08
    • US13063317
    • 2010-05-26
    • Tsutomu SakataAtsushi YamamotoSatoru Amari
    • Tsutomu SakataAtsushi YamamotoSatoru Amari
    • H01Q1/00
    • H01Q13/10H01Q1/521H01Q5/28H01Q5/50H01Q9/285H01Q9/40H01Q21/28
    • An antenna apparatus includes a slit provided on an antenna element between first and second feed ports; and a series resonant circuit provided at a location along the slit, with a distance from an opening of the slit. When the antenna apparatus operates at a first isolation frequency identical to a resonance frequency of the series resonant circuit, the series resonant circuit is short-circuited, and only a section of the slit from its opening to the series resonant circuit resonates, thus providing isolation between the feed ports at the first isolation frequency. When the antenna apparatus operates at a second isolation frequency lower than the first isolation frequency, the series resonant circuit is open, and the entire slit resonates, thus providing isolation between the feed ports at the second isolation frequency.
    • 天线装置包括设置在第一和第二馈送端口之间的天线元件上的狭缝; 以及串联谐振电路,其设置在沿着狭缝的位置处,与狭缝的开口相距一定距离。 当天线装置以与串联谐振电路的谐振频率相同的第一隔离频率工作时,串联谐振电路短路,并且只有狭缝从其开口到串联谐振电路的一部分谐振,从而提供隔离 在第一隔离频率的馈送端口之间。 当天线装置以低于第一隔离频率的第二隔离频率工作时,串联谐振电路断开,并且整个狭缝共振,从而在第二隔离频率的馈电端口之间提供隔离。