Patent ID: 7564354

Claim:
A method for detecting whether a package has been opened, said method comprising: installing a first radio frequency identification (RFID) tag in said package; including a first removable disabler wire in said first RFID tag; modifying, utilizing said first removable disabler wire, power to said first RFID tag in response to said package being opened after said first RFID tag is installed; indicating, utilizing said first RFID tag, a first alert in response to said power being modified; said first radio frequency identification (RFID) tag including a first back, said first back including a first removable tear-away portion and a first remaining back portion; securing said first tear-away portion only to a first surface of said package; securing said first remaining back portion only to a second surface of said package; securing said first removable disabler wire to said first tear-away portion; removing said first tear-away portion and said first removable disabler wire from said first back in response to said package being opened, wherein said first remaining back portion remains secured to said second surface after said package has been opened; modifying said power in response to said first tear-away portion and said first removable disabler wire being removed; installing a second radio frequency identification (RFID) tag in said package; including a second removable enabler wire in said second RFID tag; using said second removable enabler wire to modify power to said second RFID tag in response to said package being opened after said second RFID tag is installed; indicating, utilizing said second RFID tag, a second alert in response to power to said second RFID tag being modified; said second radio frequency identification (RFID) tag including a second back, said second back including a second removable tear-away portion and a second remaining back portion; securing said second tear-away portion to said first tear-away portion; securing said second remaining back portion to said first remaining back portion; securing said second removable enabler wire to said second tear-away portion; removing said first tear-away portion from said first back and said second tear-away portion from said second back in response to said package being opened; modifying power to said first RFID tag in response to said first tear-away portion and said first removable disabler wire being removed; and modifying power to said second RFID tag in response to said second tear-away portion and said second removable enabler wire being removed.