JP2002521899A5 - - Google Patents
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- Publication number
- JP2002521899A5 JP2002521899A5 JP2000561598A JP2000561598A JP2002521899A5 JP 2002521899 A5 JP2002521899 A5 JP 2002521899A5 JP 2000561598 A JP2000561598 A JP 2000561598A JP 2000561598 A JP2000561598 A JP 2000561598A JP 2002521899 A5 JP2002521899 A5 JP 2002521899A5
- Authority
- JP
- Japan
- Prior art keywords
- tag
- rfid
- rfid system
- radio frequency
- signal
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/122,310 US5955950A (en) | 1998-07-24 | 1998-07-24 | Low noise signal generator for use with an RFID system |
| US09/122,121 US5959531A (en) | 1998-07-24 | 1998-07-24 | Optical interface between receiver and tag response signal analyzer in RFID system for detecting low power resonant tags |
| US09/122,121 | 1998-07-24 | ||
| US09/122,310 | 1998-07-24 | ||
| PCT/US1999/015884 WO2000005692A1 (en) | 1998-07-24 | 1999-07-13 | Rfid system for detecting low power resonant tags |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002521899A JP2002521899A (ja) | 2002-07-16 |
| JP2002521899A5 true JP2002521899A5 (enExample) | 2006-10-05 |
| JP4445672B2 JP4445672B2 (ja) | 2010-04-07 |
Family
ID=26820183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000561598A Expired - Fee Related JP4445672B2 (ja) | 1998-07-24 | 1999-07-13 | 低パワー共振タグ検出用高周波識別システム |
Country Status (10)
| Country | Link |
|---|---|
| EP (2) | EP1099200B1 (enExample) |
| JP (1) | JP4445672B2 (enExample) |
| KR (1) | KR100660409B1 (enExample) |
| CN (2) | CN1135509C (enExample) |
| AT (2) | ATE281671T1 (enExample) |
| AU (1) | AU753617B2 (enExample) |
| CA (2) | CA2624853A1 (enExample) |
| DE (2) | DE69921658T2 (enExample) |
| ES (2) | ES2233058T3 (enExample) |
| WO (1) | WO2000005692A1 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006060763A (ja) * | 2003-12-26 | 2006-03-02 | Ricoh Co Ltd | Ｉｃタグ用リーダ及び／又はライタ、並びにｉｃタグ用リーダ及び／又はライタを有する装置 |
| US7259677B2 (en) | 2003-12-26 | 2007-08-21 | Ricoh Company, Ltd. | IC-tag read-write apparatus |
| JP4387323B2 (ja) * | 2005-04-08 | 2009-12-16 | 富士通株式会社 | Ｒｆｉｄ用送受信装置 |
| US7456743B2 (en) * | 2005-12-07 | 2008-11-25 | Datamars S.A. | Combined low and high frequency RFID system |
| SE531799C2 (sv) * | 2006-09-01 | 2009-08-04 | Leptonradio Ab | En anordning för trådlös manövrering och en metod för att manövrera anordningen |
| JP5152274B2 (ja) * | 2010-08-24 | 2013-02-27 | 日立電線株式会社 | Ｒｆｉｄ読み取り装置 |
| CN103152028A (zh) * | 2013-01-31 | 2013-06-12 | 南京南瑞继保电气有限公司 | 一种提高固态开关驱动可靠性的装置 |
| CN104382601A (zh) * | 2014-11-21 | 2015-03-04 | 天津大学 | 一种基于rfid的血氧脉搏检测系统 |
| CN105006155A (zh) * | 2015-07-28 | 2015-10-28 | 苏州宏展信息科技有限公司 | 一种基于射频传输的行人交通信号灯箱控制系统 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4083003A (en) * | 1973-11-05 | 1978-04-04 | Products Of Information Technology, Inc. | Vehicle location system |
| US4623877A (en) * | 1983-06-30 | 1986-11-18 | Knogo Corporation | Method and apparatus for detection of targets in an interrogation zone |
| US5121103A (en) * | 1988-07-29 | 1992-06-09 | Knogo Corporation | Load isolated article surveillance system and antenna assembly |
| US5070500A (en) * | 1988-08-30 | 1991-12-03 | Tokyo Keiki Company Ltd. | Memory package system utilizing inductive coupling between memory module and read/write unit |
| US4975681A (en) * | 1989-12-07 | 1990-12-04 | Sensormatic Electronics Corporation | Interfering signal rejection circuitry and electronic article surveillance system and method employing same |
| US5266926A (en) * | 1991-05-31 | 1993-11-30 | Avid Marketing, Inc. | Signal transmission and tag power consumption measurement circuit for an inductive reader |
| FR2685582B1 (fr) * | 1991-12-18 | 1997-06-27 | Com 1 | Dispositif d'interface electronique de transmission lineaire de signaux a haute isolation par opto-coupleurs polarises en inverse. |
| US5331453A (en) * | 1992-06-15 | 1994-07-19 | Ael Defense Corp. | Millimeter wave fiber-optically linked antenna receiver device |
| US5353011A (en) * | 1993-01-04 | 1994-10-04 | Checkpoint Systems, Inc. | Electronic article security system with digital signal processing and increased detection range |
| JP3600266B2 (ja) * | 1994-04-08 | 2004-12-15 | 株式会社ルネサステクノロジ | 非接触ｉｃカードインタフェース装置及びそれを用いた通信システム |
-
1999
- 1999-07-13 CA CA002624853A patent/CA2624853A1/en not_active Abandoned
- 1999-07-13 ES ES99935548T patent/ES2233058T3/es not_active Expired - Lifetime
- 1999-07-13 CN CNB998089621A patent/CN1135509C/zh not_active Expired - Fee Related
- 1999-07-13 AT AT99935548T patent/ATE281671T1/de not_active IP Right Cessation
- 1999-07-13 CN CNB031408206A patent/CN1238732C/zh not_active Expired - Fee Related
- 1999-07-13 ES ES03020341T patent/ES2262929T3/es not_active Expired - Lifetime
- 1999-07-13 WO PCT/US1999/015884 patent/WO2000005692A1/en not_active Ceased
- 1999-07-13 AU AU51007/99A patent/AU753617B2/en not_active Ceased
- 1999-07-13 DE DE69921658T patent/DE69921658T2/de not_active Expired - Lifetime
- 1999-07-13 JP JP2000561598A patent/JP4445672B2/ja not_active Expired - Fee Related
- 1999-07-13 AT AT03020341T patent/ATE323910T1/de not_active IP Right Cessation
- 1999-07-13 CA CA002338640A patent/CA2338640C/en not_active Expired - Fee Related
- 1999-07-13 KR KR1020017000434A patent/KR100660409B1/ko not_active Expired - Fee Related
- 1999-07-13 EP EP99935548A patent/EP1099200B1/en not_active Expired - Lifetime
- 1999-07-13 DE DE69930975T patent/DE69930975T2/de not_active Expired - Lifetime
- 1999-07-13 EP EP03020341A patent/EP1376445B1/en not_active Expired - Lifetime
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