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Antenna structure, method of using antenna structure and communication device

  • US 6,806,835 B2
  • Filed: 10/24/2002
  • Issued: 10/19/2004
  • Est. Priority Date: 10/24/2001
  • Status: Expired due to Term
First Claim
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1. An antenna structure used in a folding portable radio terminal, comprising:

  • a first antenna; and

    a second antenna, said first antenna used at least when said portable radio terminal is not folded, said second antenna used at least when said portable radio terminal is folded, wherein when said portable radio terminal is not folded, a divesity reception is carried out with said first antenna serving as a main antenna an said second antenna serving as a sub-antenna, and when said portable radio terminal is folded, a diversity reception is carried out with said first antenna serving as a sub-antenna and said second and antenna serving as a main antenna.

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