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Radiocommunications antenna with misalignment of radiation lobe by variable phase shifter

DC
  • US 7,286,092 B2
  • Filed: 02/23/2004
  • Issued: 10/23/2007
  • Est. Priority Date: 02/24/2003
  • Status: Active Grant
First Claim
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1. A radiocommunication antenna, comprising:

  • a variable phase adjustment unit that directs a radiation lobe of the antenna by variable phase adjustment and that includes an actuating device with an actuator (41) whose displacement controls the phase shift; and

    a module, insertable into the antenna and extractible therefrom, including a mechanical or electromechanical device co-operating with the actuating device to control the displacement of the actuator when the module is installed in the antenna,the actuating device having a control pin (21) comprising a screw (21A) and a shaft (21C) comprising grooves (21E), said control pin (21) being terminated at the end of said screw (21A) by a recess (21B),a block (23), interconnected with a fixed portion (42) of the antenna and comprising a tapered orifice (23C) forming a bearing (23A), anda mobile stop (22), interconnected with said actuator (41), said mobile stop (22) comprising a notch (22A) intended for receiving said recess (21B) of said control pin (21),so that a rotation of said screw (21A), and thereby of the control pin (21), in said bearing (23A) induces the displacement of said actuator (41).

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