FI20065527A - RFID-läsare för kompensering av antennmissanpassning - Google Patents

RFID-läsare för kompensering av antennmissanpassning Download PDF

Info

Publication number
FI20065527A
FI20065527A FI20065527A FI20065527A FI20065527A FI 20065527 A FI20065527 A FI 20065527A FI 20065527 A FI20065527 A FI 20065527A FI 20065527 A FI20065527 A FI 20065527A FI 20065527 A FI20065527 A FI 20065527A
Authority
FI
Finland
Prior art keywords
rfid reader
mismatch compensation
antenna mismatch
antenna
compensation
Prior art date
Application number
FI20065527A
Other languages
English (en)
Finnish (fi)
Other versions
FI119083B (sv
FI20065527A0 (sv
Inventor
Pasi Heikkinen
Petri Rautio
Original Assignee
Idesco Oy
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 Idesco Oy filed Critical Idesco Oy
Priority to FI20065527A priority Critical patent/FI119083B/sv
Publication of FI20065527A0 publication Critical patent/FI20065527A0/sv
Priority to PCT/FI2007/050453 priority patent/WO2008023096A1/en
Publication of FI20065527A publication Critical patent/FI20065527A/sv
Application granted granted Critical
Publication of FI119083B publication Critical patent/FI119083B/sv

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
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • 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
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages
    • 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
    • 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
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Near-Field Transmission Systems (AREA)
FI20065527A 2006-08-24 2006-08-24 RFID-läsare för kompensering av antennmissanpassning FI119083B (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20065527A FI119083B (sv) 2006-08-24 2006-08-24 RFID-läsare för kompensering av antennmissanpassning
PCT/FI2007/050453 WO2008023096A1 (en) 2006-08-24 2007-08-22 Rfid reader with antenna mismatch compensation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20065527A FI119083B (sv) 2006-08-24 2006-08-24 RFID-läsare för kompensering av antennmissanpassning
FI20065527 2006-08-24

Publications (3)

Publication Number Publication Date
FI20065527A0 FI20065527A0 (sv) 2006-08-24
FI20065527A true FI20065527A (sv) 2008-02-25
FI119083B FI119083B (sv) 2008-07-15

Family

ID=36950707

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20065527A FI119083B (sv) 2006-08-24 2006-08-24 RFID-läsare för kompensering av antennmissanpassning

Country Status (2)

Country Link
FI (1) FI119083B (sv)
WO (1) WO2008023096A1 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8285214B2 (en) * 2008-03-10 2012-10-09 Pepperl + Fuchs Gmbh Adjustable circuit and RFID reader device
KR100954059B1 (ko) * 2008-07-31 2010-04-20 한국전자통신연구원 Ｒｆｉｄ 리더의 송신 누설 신호 억압 장치 및 방법
EP3203641B1 (en) * 2016-02-08 2018-12-05 Bayerische Motoren Werke Aktiengesellschaft A filter and a method for isolating terminals in a transceiver front end
FR3144367A1 (fr) * 2022-12-23 2024-06-28 Banks And Acquirers International Holding Procédé de détermination de l’état d’une antenne

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9423027D0 (en) * 1994-11-15 1995-01-04 Univ Bristol Full-duplex radio transmitter/receiver
US5691978A (en) * 1995-04-07 1997-11-25 Signal Science, Inc. Self-cancelling full-duplex RF communication system
WO2000021204A1 (en) * 1998-10-06 2000-04-13 Crosslink, Inc. A system for reducing transmitter cross-talk in receive part of a rf transceiver
US20040106381A1 (en) * 2002-09-06 2004-06-03 Engim Incorporated Transmit signal cancellation in wireless receivers
WO2005076489A1 (ja) * 2004-02-04 2005-08-18 Brother Kogyo Kabushiki Kaisha 無線タグ通信装置
WO2006037241A1 (de) * 2004-10-08 2006-04-13 Elektrobit Ag Verfahren und vorrichtung zur unterdrückung eines sendesignals in einem empfänger eines rfid schreib-/lesegeräts
KR100617322B1 (ko) * 2005-05-09 2006-08-30 한국전자통신연구원 송신누설신호를 제거하는 ｒｆｉｄ 리더기 수신 장치
FI119670B (sv) * 2005-07-08 2009-01-30 Valtion Teknillinen RFID-avläsningsinstrument och -förfarande

Also Published As

Publication number Publication date
FI119083B (sv) 2008-07-15
FI20065527A0 (sv) 2006-08-24
WO2008023096A1 (en) 2008-02-28

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