Tag communication apparatus, control method for tag...

Communications: directive radio wave systems and devices (e.g. – Radar transponder system

Reexamination Certificate

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Details

C342S126000, C340S572100, C455S562100

Reexamination Certificate

active

07573418

ABSTRACT:
A direction estimating section estimates the incoming direction of a radio wave from an RFID tag in each of antennas. A position calculating section calculates the position of the RFID tag on the basis of the incoming direction of the radio wave estimated in the direction estimating section.

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