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Techniques for radio frequency identification and electronic article surveillance receivers

  • US 7,463,155 B2
  • Filed: 06/03/2005
  • Issued: 12/09/2008
  • Est. Priority Date: 06/03/2005
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • an antenna system having multiple antennas;

    a first switch to connect to said antenna system;

    a receiver to connect to said switch;

    a processor to connect to said first switch, said processor to switch said first switch to a first state to connect said receiver to a first antenna in order to detect a first type of security tag in a first operating mode, and said processor to switch said first switch to a second state to connect said receiver to a second antenna to detect a second type of security tag in a second operating mode; and

    an amplifying module to connect to said receiver, said amplifying module to comprise a second switch, a third switch, and an amplifier, said processor to switch said second switch and said third switch to a first state to connect said second switch to said third switch through said amplifier, and switch said second switch and said third switch to a second state to connect said second switch to said third switch without said amplifier.

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