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Inertially controlled switch and RFID tag

  • US 7,336,184 B2
  • Filed: 06/03/2005
  • Issued: 02/26/2008
  • Est. Priority Date: 09/24/2004
  • Status: Expired due to Fees
First Claim
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1. An apparatus, comprising:

  • first and second radio frequency identification (RFID) tag circuits;

    a first inertially controlled switch (ICS) coupled to the first RFID tag circuit;

    a second ICS coupled to the second RFID tag circuit; and

    an antenna coupled to the first and second ICS;

    wherein the first and second ICS'"'"'s are disposed such that only one of the first and second RFID tag circuits is to be operationally coupled to the antenna through the respective ICS at a time.

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