Rfid tag with security features

Details Rfid tag with security features Rfid tag with security features

H - Electricity

04

L

H04L 9/32 (2006.01) H04B 1/59 (2006.01) H04L 9/10 (2006.01) G01V 15/00 (2006.01)

Patent

CA 2579976

The apparatus is applicable for stock-taking or for controlling items such as vehicles located in a garage. The device is provided with tags having transponders carrying RFID codes individually which may be activated by secure key, in the form of a card, to recognize an authorized access to the items. Auxiliary RFID transponders may be activated by a primary RFID transponder through induced voltage. A receiver upon receiving a signal of electronic code from the secure key will compare it with legitimate electronic codes in the transponder memory. If the code coincides with a legitimate electronic code, a transponder recognition device creates a signal to operate the primary transponder to transmit an information signal carrying the RFID codes.

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