Radio frequency identification (RFID) tag and a method of...

Details Radio frequency identification (RFID) tag and a method of... Radio frequency identification (RFID) tag and a method of...

2006-02-21

2006-02-21

Wu, Daniel (Department: 2632)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S572100, C340S572700, C340S005410, C340S005860

Reexamination Certificate

active

07002474

ABSTRACT:
A radio frequency identification (RFID) tag comprises RFID circuitry, an antenna, and a detector responsive to electromagnetic radiation of a predetermined frequency and for controlling cooperation between the RFID circuitry and the antenna when electromagnetic radiation of the predetermined frequency is detected. The detector may be responsive to light of the predetermined frequency to enable cooperation between the RFID circuitry and the antenna when light of the predetermined frequency is detected. Alternatively, the detector may be responsive to light of the predetermined frequency to disable cooperation between the RFID circuitry and the antenna when light of the predetermined frequency is detected.

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