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
Grant status
Grant
Patent type
Prior art keywords
electromagnetic radiation
radiation decoupler
decoupler
electromagnetic
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
GB0603542D0 (en )
GB2429878A (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
Grant date

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/16Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26Resonant 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
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06Record 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
    • G06K19/067Record 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
    • G06K19/07Record 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
    • G06K19/077Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749Constructional 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
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/52Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/52Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/526Electromagnetic shields
GB0603542A 2005-06-25 2006-02-23 Electromagnetic radiation decoupler Active GB2429878B (en)

Priority Applications (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

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
CA 2656082 CA2656082A1 (en) 2005-06-25 2006-06-22 Electromagnetic radiation decoupler
KR20087002141A KR101312099B1 (en) 2005-06-25 2006-06-22 Electromagnetic Radiation Decoupler
CN 200680029833 CN101248445B (en) 2005-06-25 2006-06-22 Electromagnetic radiation decoupler
PCT/GB2006/002327 WO2007000578A3 (en) 2005-06-25 2006-06-22 Electromagnetic radiation decoupler
JP2008517600A JP5148487B2 (en) 2005-06-25 2006-06-22 Electromagnetic radiation decoupler
EP20060755615 EP1907991B1 (en) 2005-06-25 2006-06-22 Electromagnetic radiation decoupler
AT06755615T AT549696T (en) 2005-06-25 2006-06-22 Decoupler for electromagnetic radiation
TW95122665A 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
US11474082 US7768400B2 (en) 2005-06-25 2006-06-23 Electromagnetic radiation decoupler
US12823299 US8299927B2 (en) 2005-06-25 2010-06-25 Electromagnetic radiation decoupler
US13630614 US9104952B2 (en) 2005-06-25 2012-09-28 Electromagnetic radiation decoupler
US14751998 US9646241B2 (en) 2005-06-25 2015-06-26 Electromagnetic radiation decoupler

Publications (3)

Publication Number Publication Date
GB0603542D0 true GB0603542D0 (en) 2006-04-05
GB2429878A true 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
EP3029611A1 (en) 2014-12-02 2016-06-08 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 Type
GB0603542D0 (en) 2006-04-05 application
GB2429878A (en) 2007-03-07 application

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Legal Events

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

Free format text: REGISTERED BETWEEN 20130926 AND 20131002