RFID Tag Reader

A control unit of a reader superimposes a control signal for antenna switching on a high frequency signal outputted into an antenna unit from a high frequency circuit. The antenna unit includes: separators for separating the superimposed signals into high frequency signals and control signals; a swi...

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Bibliographic Details
Main Authors NAOTO, MATSUMOTO, SATOU, MASAAKI, KUWAKO, YUJI, SHIMAMOTO, GAKU, TABATA, MASARU
Format Patent
LanguageEnglish
French
German
Published 24.09.2008
Subjects
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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Summary:A control unit of a reader superimposes a control signal for antenna switching on a high frequency signal outputted into an antenna unit from a high frequency circuit. The antenna unit includes: separators for separating the superimposed signals into high frequency signals and control signals; a switch circuit for switching loop antennas; and a control circuit for controlling the switch circuit based on the control signal separated by the separator.
Bibliography:Application Number: EP20080102635