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Multiple frequency band antenna and antenna system using the same

  • US 8,766,870 B2
  • Filed: 06/23/2008
  • Issued: 07/01/2014
  • Est. Priority Date: 09/21/2007
  • Status: Active Grant
First Claim
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1. An antenna comprising:

  • a substrate including a first surface and a second surface;

    a radiating unit formed on the first surface of the substrate;

    a slot formed by the radiating unit that is closed at one end and open at an opposite end; and

    a feed unit formed on the second surface of the substrate in an area that corresponds to an area on the first surface of the substrate between the center of a length of the slot and the closed end of the slot and configured to be in an on or off position to resonate the antenna in a single frequency band in the on position and resonate the antenna in a plurality of frequency bands in the off position, wherein the feed unit has a perpendicular shape.

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