JP5055365B2 - 多重帯域rfidリーダー - Google Patents
多重帯域rfidリーダー Download PDFInfo
- Publication number
- JP5055365B2 JP5055365B2 JP2009519367A JP2009519367A JP5055365B2 JP 5055365 B2 JP5055365 B2 JP 5055365B2 JP 2009519367 A JP2009519367 A JP 2009519367A JP 2009519367 A JP2009519367 A JP 2009519367A JP 5055365 B2 JP5055365 B2 JP 5055365B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- rfid reader
- band
- reception
- transmission
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims description 29
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 101150044561 SEND1 gene Proteins 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Near-Field Transmission Systems (AREA)
Description
Claims (5)
- タッグから伝送されたデータ信号を周波数帯域によって分離するデュープレクサーと、
前記デュープレクサーを介して分離された信号の一部を分岐する方向性カプラーと、
前記分岐された信号の周波数帯域を判別し、判別結果に基づいて制御信号を発生させるDSPと、
前記DSPの制御信号によって送受信モードをオン/オフさせるRFスィッチと、
を備える多重帯域RFIDリーダー。 - 前記RFスィッチは、前記制御信号の受信時に送信モードと受信モードを周期的にスイッチングする請求項1に記載の多重帯域RFIDリーダー。
- 信頼性の高いデータ送受信を保証するために、相異なる周波数帯域信号を時間差を設けて送信または受信する請求項1に記載の多重帯域RFIDリーダー。
- 前記RFスィッチの動作によって信号の送信経路及び受信経路が分離されて前記タッグの認識率を向上させる請求項1に記載の多重帯域RFIDリーダー。
- 前記デュープレクサーは、前記データ信号をUHF帯域信号と2.45GHz帯域信号とに分離する請求項1に記載の多重帯域RFIDリーダー。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2006-0064173 | 2006-07-10 | ||
KR1020060064173A KR100818909B1 (ko) | 2006-07-10 | 2006-07-10 | 다중 대역 rfid 리더기 |
PCT/KR2007/003282 WO2008007871A1 (en) | 2006-07-10 | 2007-07-06 | Multiple band rfid reader device |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009543248A JP2009543248A (ja) | 2009-12-03 |
JP5055365B2 true JP5055365B2 (ja) | 2012-10-24 |
Family
ID=38923402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009519367A Expired - Fee Related JP5055365B2 (ja) | 2006-07-10 | 2007-07-06 | 多重帯域rfidリーダー |
Country Status (6)
Country | Link |
---|---|
US (1) | US20090303007A1 (ja) |
EP (1) | EP2047410A4 (ja) |
JP (1) | JP5055365B2 (ja) |
KR (1) | KR100818909B1 (ja) |
CN (1) | CN101490697B (ja) |
WO (1) | WO2008007871A1 (ja) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100964553B1 (ko) * | 2008-04-10 | 2010-06-21 | 삼성에스디에스 주식회사 | 통합형 rf카드리더기 |
US8830062B2 (en) * | 2008-06-05 | 2014-09-09 | Micron Technology, Inc. | Systems and methods to use radar in RFID systems |
US8461966B2 (en) | 2008-06-05 | 2013-06-11 | Micron Technology, Inc. | Systems and methods to determine kinematical parameters using RFID tags |
US8242888B2 (en) | 2008-06-05 | 2012-08-14 | Keystone Technology Solutions, Llc | Systems and methods to determine motion parameters using RFID tags |
JP2011259038A (ja) * | 2010-06-04 | 2011-12-22 | Toshiba Tec Corp | Rfid機器およびその制御プログラム |
CN101973488A (zh) * | 2010-08-31 | 2011-02-16 | 东南大学 | 基于射频识别的行车位置跟踪装置 |
US9220067B2 (en) | 2011-05-02 | 2015-12-22 | Rf Micro Devices, Inc. | Front end radio architecture (FERA) with power management |
US10009058B2 (en) | 2012-06-18 | 2018-06-26 | Qorvo Us, Inc. | RF front-end circuitry for receive MIMO signals |
US9219594B2 (en) | 2012-06-18 | 2015-12-22 | Rf Micro Devices, Inc. | Dual antenna integrated carrier aggregation front end solution |
US20140015731A1 (en) | 2012-07-11 | 2014-01-16 | Rf Micro Devices, Inc. | Contact mems architecture for improved cycle count and hot-switching and esd |
US9143208B2 (en) | 2012-07-18 | 2015-09-22 | Rf Micro Devices, Inc. | Radio front end having reduced diversity switch linearity requirement |
US9419775B2 (en) | 2012-10-02 | 2016-08-16 | Qorvo Us, Inc. | Tunable diplexer |
US9203596B2 (en) | 2012-10-02 | 2015-12-01 | Rf Micro Devices, Inc. | Tunable diplexer for carrier aggregation applications |
US9078211B2 (en) | 2012-10-11 | 2015-07-07 | Rf Micro Devices, Inc. | Power management configuration for TX MIMO and UL carrier aggregation |
US9172441B2 (en) * | 2013-02-08 | 2015-10-27 | Rf Micro Devices, Inc. | Front end circuitry for carrier aggregation configurations |
JP6290431B2 (ja) * | 2014-08-25 | 2018-03-07 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
US9374215B2 (en) * | 2014-08-25 | 2016-06-21 | Nxp B.V. | Communication synchronization |
US9704317B2 (en) | 2014-09-23 | 2017-07-11 | Schlage Lock Company Llc | Long range wireless credentials for entryway |
US11151336B2 (en) * | 2017-07-07 | 2021-10-19 | Intermec, Inc. | Systems and methods for a reconfigurable radio front-end |
CN109145664A (zh) * | 2018-08-20 | 2019-01-04 | 成都九洲电子信息系统股份有限公司 | 一种提高uhf读写器多标签识读能力的方法 |
CN112968710A (zh) * | 2019-12-13 | 2021-06-15 | 航天信息股份有限公司 | 一种多频段的射频电路 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06276114A (ja) * | 1993-03-19 | 1994-09-30 | Kokusai Electric Co Ltd | 受信待ち受け方法 |
JP3257485B2 (ja) * | 1997-11-19 | 2002-02-18 | 三菱マテリアル株式会社 | 通信方式と通信方法 |
US6639509B1 (en) * | 1998-03-16 | 2003-10-28 | Intermec Ip Corp. | System and method for communicating with an RFID transponder with reduced noise and interference |
US6317027B1 (en) * | 1999-01-12 | 2001-11-13 | Randy Watkins | Auto-tunning scanning proximity reader |
US6745008B1 (en) * | 2000-06-06 | 2004-06-01 | Battelle Memorial Institute K1-53 | Multi-frequency communication system and method |
US6950625B2 (en) * | 2001-02-12 | 2005-09-27 | Ico Services Limited | Communications apparatus and method |
US6788948B2 (en) * | 2001-09-28 | 2004-09-07 | Arraycomm, Inc. | Frequency dependent calibration of a wideband radio system using narrowband channels |
US7155172B2 (en) * | 2002-10-10 | 2006-12-26 | Battelle Memorial Institute | RFID receiver apparatus and method |
DE10316719B4 (de) * | 2003-04-11 | 2018-08-02 | Snaptrack, Inc. | Frontendschaltung für drahtlose Übertragungssysteme |
US7248165B2 (en) * | 2003-09-09 | 2007-07-24 | Motorola, Inc. | Method and apparatus for multiple frequency RFID tag architecture |
DE102004039674A1 (de) * | 2004-08-16 | 2005-11-10 | Siemens Ag | Anordnung zur Signalübertragung zwischen einer ersten Basisstation und einem Funkkommunikationsendgerät |
WO2006088758A2 (en) * | 2005-02-14 | 2006-08-24 | Johnson & Johnson Vision Care, Inc. | A comfortable ophthalmic device and methods of its production |
-
2006
- 2006-07-10 KR KR1020060064173A patent/KR100818909B1/ko active IP Right Grant
-
2007
- 2007-07-06 US US12/308,807 patent/US20090303007A1/en not_active Abandoned
- 2007-07-06 JP JP2009519367A patent/JP5055365B2/ja not_active Expired - Fee Related
- 2007-07-06 WO PCT/KR2007/003282 patent/WO2008007871A1/en active Application Filing
- 2007-07-06 EP EP07768627A patent/EP2047410A4/en not_active Withdrawn
- 2007-07-06 CN CN200780026118XA patent/CN101490697B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20090303007A1 (en) | 2009-12-10 |
EP2047410A4 (en) | 2011-05-18 |
EP2047410A1 (en) | 2009-04-15 |
KR20080005632A (ko) | 2008-01-15 |
JP2009543248A (ja) | 2009-12-03 |
WO2008007871A1 (en) | 2008-01-17 |
CN101490697A (zh) | 2009-07-22 |
CN101490697B (zh) | 2011-07-06 |
KR100818909B1 (ko) | 2008-04-04 |
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