×

Deactivating a data tag for user privacy or tamper-evident packaging

  • US 7,098,794 B2
  • Filed: 04/30/2004
  • Issued: 08/29/2006
  • Est. Priority Date: 04/30/2004
  • Status: Active Grant
First Claim
Patent Images

1. A system comprising:

  • a data circuit storing identification information; and

    a plurality of antennas coupled to the data circuit, wherein the data circuit communicates the identification information via the plurality of antennas, wherein at least one antenna of the plurality of antennas is a removable antenna capable of wireless signal transmission at a first range such that removal of the at least one antenna substantially prevents communication of the identification information via the removed antenna and permits communication of the identification information via another antenna of the plurality of antennas, said another antenna being capable of wireless signal transmission at a second range, wherein the second range is relatively shorter than the first range.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×