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    • 3. 发明授权
    • Dielectric resonator having a frequency tuning member spirally engaged with the cavity
    • 介质谐振器具有与空腔螺旋地接合的频率调谐构件
    • US06414572B2
    • 2002-07-02
    • US09798804
    • 2001-03-01
    • Yuki SatohMasami HatanakaToshio IshizakiYuji SakaToshiaki Nakamura
    • Yuki SatohMasami HatanakaToshio IshizakiYuji SakaToshiaki Nakamura
    • H01P710
    • H01P1/2084H01P1/20309H01P7/10
    • A dielectric resonator of the invention includes a cavity having a first threaded hole; a dielectric block provided in the cavity; a coupling device coupled with an electromagnetic field produced in the cavity; a frequency tuning member having a screw portion which is spirally engaged with the first threaded hole of the cavity, a distance between the dielectric block and the frequency tuning member being changed by rotating the frequency tuning member, for tuning a resonance frequency of the cavity depending on the distance; and fixing means for fixing a relative positional relationship between the frequency tuning member and the cavity, wherein the fixing means prevents the frequency tuning member from rotating due to a frictional force caused between the first threaded hole of the cavity and the screw portion of the frequency tuning member, the fixing means including a lock nut having a second threaded hole which is spirally engaged with the screw portion of the frequency tuning member.
    • 本发明的介质谐振器包括具有第一螺纹孔的空腔; 设置在所述空腔中的介质块; 耦合装置与在空腔中产生的电磁场耦合; 频率调谐构件,其具有与空腔的第一螺纹孔螺旋地接合的螺纹部分,通过旋转频率调谐构件来改变介质块和频率调谐构件之间的距离,用于调谐腔的谐振频率依赖 在距离上 以及固定装置,用于固定频率调谐构件和空腔之间的相对位置关系,其中定影装置防止频率调谐构件由于在腔的第一螺纹孔和频率的螺纹部分之间产生的摩擦力而旋转 所述固定装置包括锁定螺母,所述锁定螺母具有与所述频率调谐构件的所述螺纹部螺旋地接合的第二螺纹孔。