GB2429878B - Electromagnetic radiation decoupler - Google Patents

Electromagnetic radiation decoupler

Info

Publication number
GB2429878B
GB2429878B GB0603542A GB0603542A GB2429878B GB 2429878 B GB2429878 B GB 2429878B GB 0603542 A GB0603542 A GB 0603542A GB 0603542 A GB0603542 A GB 0603542A GB 2429878 B GB2429878 B GB 2429878B
Authority
GB
United Kingdom
Prior art keywords
electromagnetic radiation
radiation decoupler
decoupler
electromagnetic
radiation
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.)
Active
Application number
GB0603542A
Other versions
GB2429878A (en
GB0603542D0 (en
Inventor
Christopher Robert Lawrence
Paul Richard Clarke
James Robert Brown
William Norman Damerell
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.)
Qinetiq Ltd
Original Assignee
Qinetiq Ltd
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
Priority claimed from GB0512988A external-priority patent/GB0512988D0/en
Priority claimed from GB0518152A external-priority patent/GB0518152D0/en
Priority claimed from GB0521945A external-priority patent/GB2428939A/en
Application filed by Qinetiq Ltd filed Critical Qinetiq Ltd
Publication of GB0603542D0 publication Critical patent/GB0603542D0/en
Priority to JP2008517600A priority Critical patent/JP5148487B2/en
Priority to KR1020087002141A priority patent/KR101312099B1/en
Priority to AT06755615T priority patent/ATE549696T1/en
Priority to PCT/GB2006/002327 priority patent/WO2007000578A2/en
Priority to CN200680029833.4A priority patent/CN101248445B/en
Priority to CA002656082A priority patent/CA2656082A1/en
Priority to EP06755615A priority patent/EP1907991B1/en
Priority to US11/474,082 priority patent/US7768400B2/en
Priority to TW095122665A priority patent/TWI402756B/en
Publication of GB2429878A publication Critical patent/GB2429878A/en
Publication of GB2429878B publication Critical patent/GB2429878B/en
Application granted granted Critical
Priority to US12/823,299 priority patent/US8299927B2/en
Priority to US13/630,614 priority patent/US9104952B2/en
Priority to US14/751,998 priority patent/US9646241B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/526—Electromagnetic shields

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Details Of Aerials (AREA)
GB0603542A 2005-06-25 2006-02-23 Electromagnetic radiation decoupler Active GB2429878B (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
JP2008517600A JP5148487B2 (en) 2005-06-25 2006-06-22 Electromagnetic radiation decoupler
KR1020087002141A KR101312099B1 (en) 2005-06-25 2006-06-22 Electromagnetic Radiation Decoupler
AT06755615T ATE549696T1 (en) 2005-06-25 2006-06-22 DECOUPLER FOR ELECTROMAGNETIC RADIATION
PCT/GB2006/002327 WO2007000578A2 (en) 2005-06-25 2006-06-22 Electromagnetic radiation decoupler
CN200680029833.4A CN101248445B (en) 2005-06-25 2006-06-22 Electromagnetic radiation decoupler
CA002656082A CA2656082A1 (en) 2005-06-25 2006-06-22 Electromagnetic radiation decoupler
EP06755615A EP1907991B1 (en) 2005-06-25 2006-06-22 Electromagnetic radiation decoupler
TW095122665A TWI402756B (en) 2005-06-25 2006-06-23 Electromagnetic radiation decoupler, method of making a cardboard decoupler, method of tracking a body or a container, a kit of parts for identification and tracking and method of forming a decoupler
US11/474,082 US7768400B2 (en) 2005-06-25 2006-06-23 Electromagnetic radiation decoupler
US12/823,299 US8299927B2 (en) 2005-06-25 2010-06-25 Electromagnetic radiation decoupler
US13/630,614 US9104952B2 (en) 2005-06-25 2012-09-28 Electromagnetic radiation decoupler
US14/751,998 US9646241B2 (en) 2005-06-25 2015-06-26 Electromagnetic radiation decoupler

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0512988A GB0512988D0 (en) 2005-06-25 2005-06-25 Electromagnetic radiation decoupler
GB0518152A GB0518152D0 (en) 2005-09-07 2005-09-07 Electromagnetic radiation decoupler
GB0521945A GB2428939A (en) 2005-06-25 2005-10-28 Electromagnetic radiation decoupler for an RF tag

Publications (3)

Publication Number Publication Date
GB0603542D0 GB0603542D0 (en) 2006-04-05
GB2429878A GB2429878A (en) 2007-03-07
GB2429878B true GB2429878B (en) 2007-08-22

Family

ID=36178547

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0603542A Active GB2429878B (en) 2005-06-25 2006-02-23 Electromagnetic radiation decoupler

Country Status (1)

Country Link
GB (1) GB2429878B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3029611B1 (en) 2014-12-02 2021-05-26 Neopost Technologies Rom tag having improved reading capability

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0548851A1 (en) * 1991-12-24 1993-06-30 Knogo Corporation Stabilized article surveillance responder
WO2004093249A1 (en) * 2003-04-10 2004-10-28 Avery Dennison Corporation Rfid devices having self-compensating antennas and conductive shields
EP1548639A1 (en) * 2003-12-25 2005-06-29 Hitachi, Ltd. Wireless IC tag, and method and apparatus for manufacturing the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0548851A1 (en) * 1991-12-24 1993-06-30 Knogo Corporation Stabilized article surveillance responder
WO2004093249A1 (en) * 2003-04-10 2004-10-28 Avery Dennison Corporation Rfid devices having self-compensating antennas and conductive shields
EP1548639A1 (en) * 2003-12-25 2005-06-29 Hitachi, Ltd. Wireless IC tag, and method and apparatus for manufacturing the same

Also Published As

Publication number Publication date
GB2429878A (en) 2007-03-07
GB0603542D0 (en) 2006-04-05

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Legal Events

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732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

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732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

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732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

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