FI20050738A - RFID-avläsningsinstrument och -förfarande - Google Patents

RFID-avläsningsinstrument och -förfarande Download PDF

Info

Publication number
FI20050738A
FI20050738A FI20050738A FI20050738A FI20050738A FI 20050738 A FI20050738 A FI 20050738A FI 20050738 A FI20050738 A FI 20050738A FI 20050738 A FI20050738 A FI 20050738A FI 20050738 A FI20050738 A FI 20050738A
Authority
FI
Finland
Prior art keywords
rfid reading
reading instrument
instrument
rfid
reading
Prior art date
Application number
FI20050738A
Other languages
English (en)
Finnish (fi)
Other versions
FI119670B (sv
FI20050738A0 (sv
Inventor
Heikki Seppae
Timo Varpula
Pekka Pursula
Mikko Kiviranta
Original Assignee
Valtion Teknillinen
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 Valtion Teknillinen filed Critical Valtion Teknillinen
Priority to FI20050738A priority Critical patent/FI119670B/sv
Publication of FI20050738A0 publication Critical patent/FI20050738A0/sv
Priority to GB0801932A priority patent/GB2443121B/en
Priority to CN2006800248763A priority patent/CN101218752B/zh
Priority to PCT/FI2006/000219 priority patent/WO2007006840A1/en
Priority to US11/988,241 priority patent/US20090058603A1/en
Publication of FI20050738A publication Critical patent/FI20050738A/sv
Priority to HK08111395.0A priority patent/HK1119471A1/xx
Application granted granted Critical
Publication of FI119670B publication Critical patent/FI119670B/sv

Links

Classifications

    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • 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
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
FI20050738A 2005-07-08 2005-07-08 RFID-avläsningsinstrument och -förfarande FI119670B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI20050738A FI119670B (sv) 2005-07-08 2005-07-08 RFID-avläsningsinstrument och -förfarande
GB0801932A GB2443121B (en) 2005-07-08 2006-06-20 RFID reading apparatus and method
CN2006800248763A CN101218752B (zh) 2005-07-08 2006-06-20 Rfid读取装置和方法
PCT/FI2006/000219 WO2007006840A1 (en) 2005-07-08 2006-06-20 Rfid reading apparatus and method
US11/988,241 US20090058603A1 (en) 2005-07-08 2006-06-20 Rfid Reading Apparatus and Method
HK08111395.0A HK1119471A1 (en) 2005-07-08 2008-10-15 Rfid reading apparatus and method rfid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20050738A FI119670B (sv) 2005-07-08 2005-07-08 RFID-avläsningsinstrument och -förfarande
FI20050738 2005-07-08

Publications (3)

Publication Number Publication Date
FI20050738A0 FI20050738A0 (sv) 2005-07-08
FI20050738A true FI20050738A (sv) 2007-01-09
FI119670B FI119670B (sv) 2009-01-30

Family

ID=34803202

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20050738A FI119670B (sv) 2005-07-08 2005-07-08 RFID-avläsningsinstrument och -förfarande

Country Status (6)

Country Link
US (1) US20090058603A1 (sv)
CN (1) CN101218752B (sv)
FI (1) FI119670B (sv)
GB (1) GB2443121B (sv)
HK (1) HK1119471A1 (sv)
WO (1) WO2007006840A1 (sv)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI119083B (sv) * 2006-08-24 2008-07-15 Idesco Oy RFID-läsare för kompensering av antennmissanpassning
US8446258B2 (en) * 2007-02-21 2013-05-21 Impinj, Inc. Causing RFID tag to change how many remaining commands it will comply with
KR100954059B1 (ko) * 2008-07-31 2010-04-20 한국전자통신연구원 Ｒｆｉｄ 리더의 송신 누설 신호 억압 장치 및 방법
CN101672907B (zh) * 2008-09-12 2013-05-22 晨星软件研发(深圳)有限公司 射频定位系统及方法
EP2733855B1 (en) 2012-11-15 2016-07-27 Telefonaktiebolaget LM Ericsson (publ) Transceiver front-end
CN104809421B (zh) * 2015-05-19 2018-06-19 沃科合众科技（北京）股份有限公司 读取电子标签的方法和设备
US10146970B2 (en) * 2017-04-21 2018-12-04 Hana Micron Inc. RFID reader

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4482866A (en) * 1982-02-26 1984-11-13 Barcus-Berry, Inc. Reference load amplifier correction system
US4476557A (en) * 1982-08-13 1984-10-09 At&T Bell Laboratories Duplex signaling circuit
US5691978A (en) * 1995-04-07 1997-11-25 Signal Science, Inc. Self-cancelling full-duplex RF communication system
US6192222B1 (en) * 1998-09-03 2001-02-20 Micron Technology, Inc. Backscatter communication systems, interrogators, methods of communicating in a backscatter system, and backscatter communication methods
WO2000021204A1 (en) * 1998-10-06 2000-04-13 Crosslink, Inc. A system for reducing transmitter cross-talk in receive part of a rf transceiver
US6351216B1 (en) * 2001-02-05 2002-02-26 Sensormatic Electronics Corporation Large signal noise cancellation in electronic article surveillance
US20040106381A1 (en) * 2002-09-06 2004-06-03 Engim Incorporated Transmit signal cancellation in wireless receivers

Also Published As

Publication number Publication date
GB0801932D0 (en) 2008-03-12
WO2007006840A1 (en) 2007-01-18
HK1119471A1 (en) 2009-03-06
US20090058603A1 (en) 2009-03-05
GB2443121B (en) 2011-05-18
CN101218752B (zh) 2012-05-30
FI119670B (sv) 2009-01-30
WO2007006840A8 (en) 2007-06-21
GB2443121A (en) 2008-04-23
CN101218752A (zh) 2008-07-09
FI20050738A0 (sv) 2005-07-08

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