JP2008123502A5 - - Google Patents
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- Publication number
- JP2008123502A5 JP2008123502A5 JP2007267761A JP2007267761A JP2008123502A5 JP 2008123502 A5 JP2008123502 A5 JP 2008123502A5 JP 2007267761 A JP2007267761 A JP 2007267761A JP 2007267761 A JP2007267761 A JP 2007267761A JP 2008123502 A5 JP2008123502 A5 JP 2008123502A5
- Authority
- JP
- Japan
- Prior art keywords
- tag
- circuit
- outside
- power supplied
- comparison circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Claims (5)
前記比較回路において前記外部より供給される電力が前記基準となる電力に対し高い場合に動作する保護回路部と、を有することを特徴とするＲＦタグ。 A comparison circuit that compares the power supplied from the outside with the reference power;
An RF tag, comprising: a protection circuit unit that operates when power supplied from the outside in the comparison circuit is higher than the reference power.
スイッチと、負荷を有する保護回路部とを有し、
前記比較回路において前記外部より供給される電力が前記基準となる電力に対し高い場合に、前記スイッチをオンにすることで前記負荷を動作させることを特徴とするＲＦタグ。 A comparison circuit that compares the power supplied from the outside with the reference power;
A switch and a protection circuit unit having a load;
An RF tag that operates the load by turning on the switch when the power supplied from the outside in the comparison circuit is higher than the reference power.
アンテナと、
前記比較回路及び前記保護回路部が設けられた入力回路部と、
ロジック回路部とを有することを特徴とするＲＦタグ。 In claim 1 or 2 ,
And the antenna,
An input circuit portion to which the comparator circuit and the protection circuit portion is provided,
RF tag, characterized by chromatic and logic circuit portion.
アンテナと、An antenna,
前記比較回路及び前記保護回路が設けられた充電回路部と、A charging circuit portion provided with the comparison circuit and the protection circuit;
バッテリーとを有することを特徴とするＲＦタグ。An RF tag comprising a battery.
前記外部から供給される電力は、前記アンテナより受信され、供給されるものであることを特徴とするＲＦタグ。 In claim 3 or 4 ,
Power supplied from the previous Kigaibu, the received from the antenna, RF tag, characterized in that it is intended to be supplied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007267761A JP5236243B2 (en) | 2006-10-18 | 2007-10-15 | RF tag |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006283935 | 2006-10-18 | ||
| JP2006283935 | 2006-10-18 | ||
| JP2007267761A JP5236243B2 (en) | 2006-10-18 | 2007-10-15 | RF tag |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013066082A Division JP5799049B2 (en) | 2006-10-18 | 2013-03-27 | Semiconductor device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008123502A JP2008123502A (en) | 2008-05-29 |
| JP2008123502A5 true JP2008123502A5 (en) | 2010-11-11 |
| JP5236243B2 JP5236243B2 (en) | 2013-07-17 |
Family
ID=39508134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007267761A Expired - Fee Related JP5236243B2 (en) | 2006-10-18 | 2007-10-15 | RF tag |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5236243B2 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010032603A1 (en) | 2008-09-19 | 2010-03-25 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and wireless tag using the same |
| US8224277B2 (en) * | 2008-09-26 | 2012-07-17 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
| KR20110063668A (en) * | 2008-09-30 | 2011-06-13 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | Semiconductor device |
| JP5319469B2 (en) * | 2008-10-03 | 2013-10-16 | 株式会社半導体エネルギー研究所 | RFID tag |
| KR20120120330A (en) * | 2010-01-29 | 2012-11-01 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | Semiconductor device |
| JP5551465B2 (en) * | 2010-02-16 | 2014-07-16 | Ｎｅｃトーキン株式会社 | Contactless power transmission and communication system |
| JP5815337B2 (en) * | 2010-09-13 | 2015-11-17 | 株式会社半導体エネルギー研究所 | Semiconductor device |
| KR101822491B1 (en) | 2011-04-01 | 2018-01-26 | 삼성전자주식회사 | Voltage adjusting circuit and method for operating the same |
| JP2014217707A (en) * | 2013-05-11 | 2014-11-20 | 株式会社 ライフインターフェイス | Biological information measuring device and biological information measuring system |
| JP6844478B2 (en) * | 2017-09-14 | 2021-03-17 | オムロン株式会社 | RF tag |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3755675B2 (en) * | 1995-11-20 | 2006-03-15 | ソニー株式会社 | Clamp circuit, CMOS chip IC and contactless information card |
| JP3392016B2 (en) * | 1996-09-13 | 2003-03-31 | 株式会社日立製作所 | Power transmission system and power transmission and information communication system |
| JPH10307898A (en) * | 1997-05-09 | 1998-11-17 | Toppan Printing Co Ltd | Charge type non-contact ic card system |
| JP2003085506A (en) * | 2001-09-12 | 2003-03-20 | Yoshikawa Rf System Kk | Overvoltage preventing circuit in data carrier |
| JP4536496B2 (en) * | 2003-12-19 | 2010-09-01 | 株式会社半導体エネルギー研究所 | Semiconductor device and driving method of semiconductor device |
| JP2005202721A (en) * | 2004-01-16 | 2005-07-28 | Matsushita Electric Ind Co Ltd | Non-contact data carrier |
-
2007
- 2007-10-15 JP JP2007267761A patent/JP5236243B2/en not_active Expired - Fee Related
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