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Antenna device

  • US 10,644,387 B2
  • Filed: 09/11/2018
  • Issued: 05/05/2020
  • Est. Priority Date: 10/02/2017
  • Status: Active Grant
First Claim
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1. An antenna device comprising:

  • an antenna element fitted on a vehicle, the antenna element being configured to transmit and receive a radio wave;

    a radio wave characteristic switching controller configured to change, in case of an interruption of communication via the antenna element, a characteristic of the radio wave to be transmitted and received by the antenna element, until restoration of communication; and

    a moving part configured to move the antenna element along a plane parallel to a roof of the vehicle,wherein upon the interruption of the communication via the antenna element, the radio wave characteristic switching controller drives the moving part, causing the antenna element to move to a position that brings about the restoration of communication.

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