JP5299906B2 - 熱電変換素子を電源とするアクティブrfidタグ - Google Patents
熱電変換素子を電源とするアクティブrfidタグ Download PDFInfo
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- JP5299906B2 JP5299906B2 JP2009049389A JP2009049389A JP5299906B2 JP 5299906 B2 JP5299906 B2 JP 5299906B2 JP 2009049389 A JP2009049389 A JP 2009049389A JP 2009049389 A JP2009049389 A JP 2009049389A JP 5299906 B2 JP5299906 B2 JP 5299906B2
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Claims (4)
- 熱電変換素子と、RFID本体部に接続される昇圧回路と、前記熱電変換素子および前記昇圧回路に対して排他的に接続される冗長回路とを含むアクティブRFIDタグであって、
前記冗長回路は、複数の電気二重層コンデンサを備える第1および第2の回路ブロックを含み、
前記第1の回路ブロックの前記複数の電気二重層コンデンサが前記熱電変換素子に並列に接続され、前記第2の回路ブロックの前記複数の電気二重層コンデンサが前記昇圧回路に直列に接続される第1の状態と、前記第2の回路ブロックの前記複数の電気二重層コンデンサが前記熱電変換素子に並列に接続され、前記第1の回路ブロックの前記複数の電気二重層コンデンサが前記昇圧回路に直列に接続される第2の状態とを交互に繰り返すように制御される、
アクティブRFIDタグ。 - 前記冗長回路は、前記第1の状態においては、前記第1の回路ブロックが前記昇圧回路から切り離され、前記第2の回路ブロックが前記熱電変換素子から切り離されるように制御され、前記第2の状態においては、前記第2の回路ブロックが前記昇圧回路から切り離され、前記第1の回路ブロックが前記熱電変換素子から切り離されるように制御される、請求項1に記載のアクティブRFIDタグ。
- 前記冗長回路は、前記昇圧回路の入力電圧が閾値電圧に達したことに応答して、各状態間を遷移するように制御される、請求項1または2に記載のアクティブRFIDタグ。
- 前記閾値電圧は、前記昇圧回路の最低入力電圧である、請求項3に記載のアクティブRFIDタグ。
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JP2009049389A JP5299906B2 (ja) | 2009-03-03 | 2009-03-03 | 熱電変換素子を電源とするアクティブrfidタグ |
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JP2009049389A JP5299906B2 (ja) | 2009-03-03 | 2009-03-03 | 熱電変換素子を電源とするアクティブrfidタグ |
Publications (2)
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JP2010204927A JP2010204927A (ja) | 2010-09-16 |
JP5299906B2 true JP5299906B2 (ja) | 2013-09-25 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2019005043A1 (en) * | 2017-06-28 | 2019-01-03 | Lenlok Holdings, Llc | ENERGY COLLECTION RFID CIRCUIT, ENERGY COLLECTION RFID LABEL AND ASSOCIATED METHODS |
RU2677342C1 (ru) * | 2017-11-27 | 2019-01-17 | 3М Инновейтив Пропертиз Компани | Устройство для предоставления информации о трубопроводе и способ его установки |
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JP2008071129A (ja) * | 2006-09-14 | 2008-03-27 | Casio Comput Co Ltd | 無線icタグ装置 |
JP2008199735A (ja) * | 2007-02-09 | 2008-08-28 | Toshiba Corp | 無線icネットワーク用無線ic |
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