AR047687A1 - Una antena de formado de campo y un componente de blindaje que dan forma al campo magnetico en una configuracion conveniente para su uso en un sistema rfid - Google Patents

Una antena de formado de campo y un componente de blindaje que dan forma al campo magnetico en una configuracion conveniente para su uso en un sistema rfid

Info

Publication number
AR047687A1
AR047687A1 ARP050100590A ARP050100590A AR047687A1 AR 047687 A1 AR047687 A1 AR 047687A1 AR P050100590 A ARP050100590 A AR P050100590A AR P050100590 A ARP050100590 A AR P050100590A AR 047687 A1 AR047687 A1 AR 047687A1
Authority
AR
Argentina
Prior art keywords
antenna
shape
conductive shield
rfid system
magnetic field
Prior art date
Application number
ARP050100590A
Other languages
English (en)
Inventor
Seth A Lieffort
Edward D Goff
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 AR047687A1 publication Critical patent/AR047687A1/es

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • 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
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10158—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves methods and means used by the interrogation device for reliably powering the wireless record carriers using an electromagnetic interrogation field
    • G06K7/10178—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves methods and means used by the interrogation device for reliably powering the wireless record carriers using an electromagnetic interrogation field including auxiliary means for focusing, repeating or boosting the electromagnetic interrogation field
    • 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
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
    • G06K7/10336—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the near field type, inductive coil
    • 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
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
    • G06K7/10346—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the far field type, e.g. HF types or dipoles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Details Of Aerials (AREA)
  • Near-Field Transmission Systems (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Aerials With Secondary Devices (AREA)

Abstract

Se describe un sistema de identificacion por radiofrecuencia (RFID) que utiliza un blindaje conductor sustancialmente contiguo para dar forma a un campo electromagnético formado por una antena para comunicacion con etiquetas RFID. La antena y el blindaje conductor tienen formas sustancialmente planares, y pueden estar montados sobre una superficie de un área de check-in/check-out (entrega/retiro). El blindaje conductor está ubicado alrededor de la antena y dentro de un plano paralelo a la antena, por ejemplo, dentro del mismo plano. El blindaje conductor da forma al campo electromagnético para que se extienda sustancialmente en una direccion perpendicular a la antena, y evita que el campo electromagnético se forme sustancialmente sobre el blindaje conductor.
ARP050100590A 2004-02-20 2005-02-18 Una antena de formado de campo y un componente de blindaje que dan forma al campo magnetico en una configuracion conveniente para su uso en un sistema rfid AR047687A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/784,109 US7421245B2 (en) 2004-02-20 2004-02-20 Field-shaping shielding for radio frequency identification (RFID) system

Publications (1)

Publication Number Publication Date
AR047687A1 true AR047687A1 (es) 2006-02-01

Family

ID=34861405

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP050100590A AR047687A1 (es) 2004-02-20 2005-02-18 Una antena de formado de campo y un componente de blindaje que dan forma al campo magnetico en una configuracion conveniente para su uso en un sistema rfid

Country Status (15)

Country Link
US (1) US7421245B2 (es)
EP (1) EP1723697B1 (es)
JP (1) JP2007523563A (es)
KR (1) KR20070011314A (es)
CN (1) CN1954462A (es)
AR (1) AR047687A1 (es)
AT (1) ATE417381T1 (es)
AU (1) AU2005217933A1 (es)
BR (1) BRPI0507833A (es)
CA (1) CA2556932A1 (es)
DE (1) DE602005011583D1 (es)
ES (1) ES2317187T3 (es)
NZ (1) NZ549370A (es)
TW (1) TW200529737A (es)
WO (1) WO2005083836A1 (es)

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WO2009101750A1 (ja) * 2008-02-12 2009-08-20 Nec Corporation ループアンテナ及びイミュニティ試験法
GB0802729D0 (en) * 2008-02-14 2008-03-26 Isis Innovation Resonant reflector assembly and method
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US8514059B2 (en) * 2009-08-06 2013-08-20 Highway Toll Administration, Llc Transponder holder for controlling the operation of a transponder
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Also Published As

Publication number Publication date
CA2556932A1 (en) 2005-09-09
JP2007523563A (ja) 2007-08-16
ATE417381T1 (de) 2008-12-15
BRPI0507833A (pt) 2007-07-10
NZ549370A (en) 2008-03-28
EP1723697A1 (en) 2006-11-22
KR20070011314A (ko) 2007-01-24
CN1954462A (zh) 2007-04-25
TW200529737A (en) 2005-09-01
ES2317187T3 (es) 2009-04-16
DE602005011583D1 (de) 2009-01-22
EP1723697B1 (en) 2008-12-10
US7421245B2 (en) 2008-09-02
US20050186902A1 (en) 2005-08-25
WO2005083836A1 (en) 2005-09-09
AU2005217933A1 (en) 2005-09-09

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