Antenna for radio frequency identification tag

Communications: electrical – Condition responsive indicating system – Specific condition

Reexamination Certificate

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Details

C340S572100, C343S7000MS, C343S702000, C343S895000

Reexamination Certificate

active

07940183

ABSTRACT:
The present invention relates to an antenna for an RFID tag chip. The antenna includes a dielectric material, a radiating patch that scatters a signal from the RFID tag chip for transmitting the scattered signal, and microstrip lines having a terminal for the RFID tag chip. Accordingly, a small antenna that can be attached to metal can be realized.

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Byunggil Yu et al., “RFID Antenna Using Two-Shorted Microstrip Patches Mountable on Metallic Objects”, Microwave and Optical Technology Letters, vol. 49, No. 2, Feb. 2007, pp. 414-416.

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