ATE520209T1 - Funkfrequenzidentifikations-lesegerät mit einem signalunterdrücker und verfahren dafür - Google Patents

Funkfrequenzidentifikations-lesegerät mit einem signalunterdrücker und verfahren dafür

Info

Publication number
ATE520209T1
ATE520209T1 AT07839133T AT07839133T ATE520209T1 AT E520209 T1 ATE520209 T1 AT E520209T1 AT 07839133 T AT07839133 T AT 07839133T AT 07839133 T AT07839133 T AT 07839133T AT E520209 T1 ATE520209 T1 AT E520209T1
Authority
AT
Austria
Prior art keywords
signal
radio frequency
frequency identification
identification reader
rfid reader
Prior art date
Application number
AT07839133T
Other languages
English (en)
Inventor
Jorge Alicot
Ronald Devoe
Original Assignee
Sensormatic Electronics Llc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sensormatic Electronics Llc filed Critical Sensormatic Electronics Llc
Application granted granted Critical
Publication of ATE520209T1 publication Critical patent/ATE520209T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Noise Elimination (AREA)
  • Burglar Alarm Systems (AREA)
AT07839133T 2006-09-29 2007-10-01 Funkfrequenzidentifikations-lesegerät mit einem signalunterdrücker und verfahren dafür ATE520209T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US84821906P 2006-09-29 2006-09-29
US11/801,216 US20080079547A1 (en) 2006-09-29 2007-05-09 Radio frequency identification reader having a signal canceller and method thereof
PCT/US2007/021147 WO2008042365A2 (en) 2006-09-29 2007-10-01 Radio frequency identification reader having a signal canceller and method thereof

Publications (1)

Publication Number Publication Date
ATE520209T1 true ATE520209T1 (de) 2011-08-15

Family

ID=39110181

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07839133T ATE520209T1 (de) 2006-09-29 2007-10-01 Funkfrequenzidentifikations-lesegerät mit einem signalunterdrücker und verfahren dafür

Country Status (10)

Country Link
US (1) US20080079547A1 (de)
EP (1) EP2070198B1 (de)
JP (1) JP2010505190A (de)
CN (1) CN101517908B (de)
AT (1) ATE520209T1 (de)
AU (1) AU2007305305A1 (de)
CA (1) CA2664607A1 (de)
ES (1) ES2373162T3 (de)
HK (1) HK1131704A1 (de)
WO (1) WO2008042365A2 (de)

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KR101386821B1 (ko) * 2010-05-17 2014-04-18 엘에스산전 주식회사 Ｒｆｉｄ 시스템의 송신누설신호 제거장치
KR101386839B1 (ko) * 2010-05-18 2014-04-18 엘에스산전 주식회사 Ｒｆｉｄ 시스템의 송신누설신호 제거장치
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CN102982297B (zh) * 2012-09-29 2015-07-22 中国物品编码中心 标签测试系统
FR3000587B1 (fr) * 2012-12-27 2016-04-15 Commissariat Energie Atomique Dispositif de detection du vol d'un objet
CN103956576B (zh) * 2014-04-26 2017-01-18 华为技术有限公司 一种反馈网络及阵列天线
US9491029B2 (en) * 2014-12-15 2016-11-08 Apple Inc. Devices and methods for reducing signal distortion in I/Q modulation transceivers
DE102017119212A1 (de) 2016-12-20 2018-06-21 Infineon Technologies Ag HF-Transceiver mit Testmöglichkeit
EP3418939B1 (de) 2017-06-21 2021-03-17 Kapsch TrafficCom AG Verfahren und rfid-lesegerät zur gewinnung eines rückgestreuten modulierten empfangssignals
US10498400B1 (en) * 2018-09-25 2019-12-03 Apple Inc. High sensitivity NFC reader
CN111294065B (zh) * 2018-12-06 2022-02-22 航天信息股份有限公司 一种载波对消电路及方法
US10644757B1 (en) * 2019-01-22 2020-05-05 Nxp B.V. Near-field communications device
CN114556842B (zh) * 2019-11-18 2024-01-05 华为技术有限公司 信号传输的方法和装置、反射器以及接收器
CN111178103B (zh) * 2019-12-18 2023-08-01 航天信息股份有限公司 一种用于消除超高频rfid读写器的载波的方法及系统
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Also Published As

Publication number Publication date
AU2007305305A1 (en) 2008-04-10
US20080079547A1 (en) 2008-04-03
JP2010505190A (ja) 2010-02-18
CN101517908B (zh) 2014-12-03
HK1131704A1 (en) 2010-01-29
EP2070198B1 (de) 2011-08-10
ES2373162T3 (es) 2012-02-01
EP2070198A2 (de) 2009-06-17
CA2664607A1 (en) 2008-04-10
CN101517908A (zh) 2009-08-26
WO2008042365A3 (en) 2008-05-22
WO2008042365A2 (en) 2008-04-10

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