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Antenna diversity in wireless communication terminals

  • US 5,905,467 A
  • Filed: 07/25/1997
  • Issued: 05/18/1999
  • Est. Priority Date: 07/25/1997
  • Status: Expired due to Term
First Claim
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1. A wireless communication terminal comprisinga first housing section including an antenna for enabling wireless communications with the terminal,a second housing section of the terminal including a second communication antenna, the second housing section being extendibly connected to the first housing in an manner such that when the second housing section is in its extended position the second antenna is located at least one half wavelength from the first antenna, wherein the first and second antennae have matched impedances, at frequencies used for wireless communications, when the second antenna is in its extended position, andan electronic signal combiner, responsive to characteristics of signals received over the first and second antennas, for determining how to combine these received signals.

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