ZA200710810B - Radio frequency identification tags for use on metal or other conductive objects - Google Patents

Radio frequency identification tags for use on metal or other conductive objects

Info

Publication number
ZA200710810B
ZA200710810B ZA200710810A ZA200710810A ZA200710810B ZA 200710810 B ZA200710810 B ZA 200710810B ZA 200710810 A ZA200710810 A ZA 200710810A ZA 200710810 A ZA200710810 A ZA 200710810A ZA 200710810 B ZA200710810 B ZA 200710810B
Authority
ZA
South Africa
Prior art keywords
metal
radio frequency
frequency identification
identification tags
conductive objects
Prior art date
Application number
ZA200710810A
Other languages
English (en)
Inventor
William C Egbert
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of ZA200710810B publication Critical patent/ZA200710810B/xx

Links

Classifications

    • 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
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • 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
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07771—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card the record carrier comprising means for minimising adverse effects on the data communication capability of the record carrier, e.g. minimising Eddy currents induced in a proximate metal or otherwise electromagnetically interfering object
    • 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
    • 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
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Details Of Aerials (AREA)
  • Near-Field Transmission Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)
ZA200710810A 2005-05-13 2007-12-12 Radio frequency identification tags for use on metal or other conductive objects ZA200710810B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/128,713 US7315248B2 (en) 2005-05-13 2005-05-13 Radio frequency identification tags for use on metal or other conductive objects

Publications (1)

Publication Number Publication Date
ZA200710810B true ZA200710810B (en) 2009-07-29

Family

ID=36764539

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200710810A ZA200710810B (en) 2005-05-13 2007-12-12 Radio frequency identification tags for use on metal or other conductive objects

Country Status (15)

Country Link
US (1) US7315248B2 (es)
EP (1) EP1880351B1 (es)
JP (1) JP2008541616A (es)
KR (1) KR20080007460A (es)
CN (1) CN101176109B (es)
AR (1) AR053460A1 (es)
AT (1) ATE425513T1 (es)
AU (1) AU2006247929A1 (es)
BR (1) BRPI0610004A2 (es)
CA (1) CA2607599A1 (es)
DE (1) DE602006005644D1 (es)
MX (1) MX2007014078A (es)
TW (1) TW200710736A (es)
WO (1) WO2006124270A1 (es)
ZA (1) ZA200710810B (es)

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ATE425513T1 (de) 2009-03-15
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US7315248B2 (en) 2008-01-01
CA2607599A1 (en) 2006-11-23
TW200710736A (en) 2007-03-16
MX2007014078A (es) 2008-02-11
DE602006005644D1 (de) 2009-04-23
KR20080007460A (ko) 2008-01-21
AR053460A1 (es) 2007-05-09
US20060255945A1 (en) 2006-11-16
EP1880351B1 (en) 2009-03-11
EP1880351A1 (en) 2008-01-23
WO2006124270A1 (en) 2006-11-23
CN101176109B (zh) 2010-06-02
AU2006247929A1 (en) 2006-11-23
JP2008541616A (ja) 2008-11-20

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