WIRELESS TAG, AND INSPECTION SYSTEM AND METHOD

To provide a wireless tag that exhibits improved performance in a water environment, and a system including this wireless tag.SOLUTION: A wireless tag according to an embodiment includes a coil, and a diode that generates a second signal having a second frequency component that is twice a first freq...

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Bibliographic Details
Main Authors KOBAYASHI TOSHINARI, SAITO KAZUYUKI, HORII HIROSUKE
Format Patent
LanguageEnglish
Japanese
Published 21.08.2023
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
TRANSMISSION
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Summary:To provide a wireless tag that exhibits improved performance in a water environment, and a system including this wireless tag.SOLUTION: A wireless tag according to an embodiment includes a coil, and a diode that generates a second signal having a second frequency component that is twice a first frequency component, causes the signal to be transmitted to the coil, and connected to the coil in response to the coil receiving a first signal having a first frequency component in the range of 30 MHz to 60 MHz, and does not require an integrated circuit.SELECTED DRAWING: Figure 6 【課題】 水環境において向上した性能を示す無線タグ、及び、この無線タグを含むシステム等を提供すること。【解決手段】 一実施形態に係る無線タグは、コイルと、該コイルが３０ＭＨｚ～６０ＭＨｚの範囲にある第１周波数成分を有する第１信号を受信することに伴い、該第１周波数成分の２倍の第２周波数成分を有する第２信号を生成して前記コイルに送信させる、該コイルに接続されたダイオードと、を具備し、集積回路を欠くことができる。【選択図】 図６
Bibliography:Application Number: JP20220018109