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    • 11. 发明申请
    • DEVICE FOR AUTOMATICALLY EXPANDING AND CONTRACTING ANTENNA
    • 用于自动扩展和合同天线的设备
    • WO1989011167A1
    • 1989-11-16
    • PCT/JP1989000462
    • 1989-05-02
    • NIPPON ANTENNA COMPANY LIMITEDSUGA, Mitsuhiro
    • NIPPON ANTENNA COMPANY LIMITED
    • H01Q01/08
    • H01Q1/103
    • In a device for automatically expanding and contracting antenna in which a rotary member such as a drum or a gear for moving a wire or a rope that works to expand and contract the antenna element, is rotated by a worm (1) and a worm wheel (2) that are driven by a motor, improvement wherein said worm wheel is formed as an intermediate gear unit that has a small-diameter gear unit (3) formed as a unitary structure and that engages with the gear (13) of said rotary member, said intermediate gear unit is allowed to move together with the gear unit support frame (4) that has switch operation unit with respect to a support shaft (9), a limit switch employing a reversing spring is provided in the power-feed circuits that supply power to said motor to turn it in the forward direction or in the reverse direction, resilient arm members (5, 5') are disposed on said limit switch, and said resilient arm members are operated by the switch operation units of said gear support frame.
    • 在用于自动膨胀和收缩天线的装置中,旋转构件例如滚筒或用于移动用于使天线元件膨胀和收缩的导线或绳索的齿轮由旋转构件(1)和蜗轮 (2),其特征在于,所述蜗轮形成为具有形成为整体结构的小直径齿轮单元(3)的中间齿轮单元,并且与所述旋转体的齿轮(13)接合 所述中间齿轮单元与具有相对于支撑轴(9)的开关操作单元的齿轮单元支撑框架(4)一起移动,在供电电路中设置采用反向弹簧的限位开关 向所述马达供电以向前或向相反方向转动,弹性臂构件(5,5')设置在所述限位开关上,所述弹性臂构件由所述齿轮的开关操作单元操作 支持框架。
    • 14. 发明申请
    • MICROWAVE RADIO ANTENNA/R.F. HEAD MOUNTING ARRANGEMENTS
    • MICROWAVE RADIO ANTENNA / R.F。 头部安装安排
    • WO1996005629A1
    • 1996-02-22
    • PCT/GB1995001957
    • 1995-08-17
    • CONTINENTAL MICROWAVE TECHNOLOGY LIMITEDSKINNER, WilliamGRIFFITHS, Michael, AnthonyCOWAN, David, Alexander
    • CONTINENTAL MICROWAVE TECHNOLOGY LIMITED
    • H01Q01/08
    • H01Q1/088H01P1/042
    • A microwave radio antenna assembly comprises a radio frequency head (20) which is detachably mounted to an antenna casing (10) and can be attached or detached by an operator using a single hand. The casing (10) is formed with arcuate slots (14), and the radio frequency head (20) comprises studs (26) which engage with the slots (14). The end of each slot (14) is enlarged so that the enlarged heads of the studs (26) can be inserted through the slots when the head (20) is in a particular orientation relative to the casing (10): the head (20) can then be turned to align with the casing (10), the studs (26) sliding along the slots (14). To remove the head (20) from the casing (10), the head (20) is turned such that the studs (26) are aligned with the enlarged ends of the slots (14) such that the head (20) may be removed.
    • 微波无线电天线组件包括射频头(20),其可拆卸地安装到天线壳体(10),并且可以由操作者使用单手安装或拆卸。 壳体(10)形成有弧形槽(14),射频头(20)包括与槽(14)接合的螺柱(26)。 每个槽(14)的端部被放大,使得当头部(20)相对于壳体(10)处于特定取向时,螺柱(26)的扩大的头部可以插入槽中:头部(20) )可以被转动以与壳体(10)对齐,螺柱(26)沿着槽(14)滑动。 为了将头部(20)从壳体(10)移除,头部(20)转动使得螺柱(26)与狭槽(14)的扩大的端部对准,使得头部(20)可以被移除 。