CA2503407A1 - Rfid system with selectable backscatter parameters - Google Patents

Rfid system with selectable backscatter parameters Download PDF

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Publication number
CA2503407A1
CA2503407A1 CA002503407A CA2503407A CA2503407A1 CA 2503407 A1 CA2503407 A1 CA 2503407A1 CA 002503407 A CA002503407 A CA 002503407A CA 2503407 A CA2503407 A CA 2503407A CA 2503407 A1 CA2503407 A1 CA 2503407A1
Authority
CA
Canada
Prior art keywords
rfid tag
rfid
signal
backscatter
frequency
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.)
Abandoned
Application number
CA002503407A
Other languages
English (en)
French (fr)
Inventor
Raj Bridgelall
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Symbol Technologies LLC
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2503407A1 publication Critical patent/CA2503407A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
    • G06K19/0723—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • G06K19/0724—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs the arrangement being a circuit for communicating at a plurality of frequencies, e.g. for managing time multiplexed communication over at least two antennas of different types
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
    • G06K19/0723—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
    • H04B5/48—Transceivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
CA002503407A 2003-08-29 2004-08-27 Rfid system with selectable backscatter parameters Abandoned CA2503407A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US49884303P 2003-08-29 2003-08-29
US60/498,843 2003-08-29
PCT/US2004/027999 WO2005022454A1 (en) 2003-08-29 2004-08-27 Rfid system with selectable backscatter parameters

Publications (1)

Publication Number Publication Date
CA2503407A1 true CA2503407A1 (en) 2005-03-10

Family

ID=34272738

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002503407A Abandoned CA2503407A1 (en) 2003-08-29 2004-08-27 Rfid system with selectable backscatter parameters

Country Status (8)

Country Link
US (1) US20050052279A1 (enExample)
EP (1) EP1665139A1 (enExample)
JP (1) JP2007504537A (enExample)
KR (1) KR20060038353A (enExample)
CN (1) CN100530227C (enExample)
AU (1) AU2004269728A1 (enExample)
CA (1) CA2503407A1 (enExample)
WO (1) WO2005022454A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11164062B2 (en) 2019-11-01 2021-11-02 Nxp B.V. RFID transponder and method of operating an RFID transponder

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Publication number Priority date Publication date Assignee Title
US11164062B2 (en) 2019-11-01 2021-11-02 Nxp B.V. RFID transponder and method of operating an RFID transponder

Also Published As

Publication number Publication date
KR20060038353A (ko) 2006-05-03
CN100530227C (zh) 2009-08-19
JP2007504537A (ja) 2007-03-01
EP1665139A1 (en) 2006-06-07
CN1701342A (zh) 2005-11-23
WO2005022454A1 (en) 2005-03-10
US20050052279A1 (en) 2005-03-10
AU2004269728A1 (en) 2005-03-10

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