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Antenna apparatus and waveguide rotary coupler

  • US 6,556,165 B2
  • Filed: 11/05/2001
  • Issued: 04/29/2003
  • Est. Priority Date: 03/16/2001
  • Status: Expired due to Fees
First Claim
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1. An antenna apparatus which performs microwave communication in such a manner that a radio signal generated by a transceiver that is provided in a fixed part is supplied to an antenna that is provided in a movable part and the antenna is drive-controlled, comprising:

  • a drive control section provided in the movable part, for drive-controlling a motor for rotating the antenna;

    a wave guide rotary coupling device for transmitting a radio signal from the transceiver to the antenna;

    a primary coil provided in the fixed part; and

    a secondary coil provided in the movable part, for supplying the drive control section with electromotive force that is inducted in itself by a current flowing through the primary coil.

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