×

Revealable RFID devices

  • US 7,724,136 B2
  • Filed: 10/05/2006
  • Issued: 05/25/2010
  • Est. Priority Date: 10/05/2006
  • Status: Expired due to Fees
First Claim
Patent Images

1. An apparatus, comprising:

  • an antenna to be connected to a radio frequency identification (REID) tag circuit, the antenna configured to operate at a particular frequency; and

    an electrically conductive material in radio frequency (RE) contact with the antenna to prevent the antenna and connected REID tag circuit from operating at the particular frequency until a conductive effect of the material is removed by reducing the conductivity of the electrically conductive material.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×