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Electronic device with indirectly fed slot antennas

  • US 9,583,838 B2
  • Filed: 03/20/2014
  • Issued: 02/28/2017
  • Est. Priority Date: 03/20/2014
  • Status: Active Grant
First Claim
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1. An electronic device, comprising:

  • a metal housing that forms a ground plane, wherein a slot is formed in the ground plane, the slot has a bend, the metal housing has a planar rear wall and a sidewall that extends from the rear wall, the slot is formed in the rear wall and the sidewall, the slot extends from a first edge of the sidewall to an opposing second edge of the sidewall, and the slot has an opening along the second edge of the sidewall;

    an indirectly fed slot antenna formed from the slot, the indirectly fed slot antenna comprising a near-field-coupled antenna feed structure that is formed from a planar metal structure that is near-field coupled to the slot;

    a first tunable component coupled across the slot at a first side of the near-field-coupled antenna feed structure; and

    a second tunable component coupled across the slot at a second side of the near-field coupled antenna feed structure.

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