WO2008000848A1 - Dispositif d'identification par radiofréquence haute fréquence - Google Patents

Dispositif d'identification par radiofréquence haute fréquence Download PDF

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Publication number
WO2008000848A1
WO2008000848A1 PCT/ES2006/000372 ES2006000372W WO2008000848A1 WO 2008000848 A1 WO2008000848 A1 WO 2008000848A1 ES 2006000372 W ES2006000372 W ES 2006000372W WO 2008000848 A1 WO2008000848 A1 WO 2008000848A1
Authority
WO
WIPO (PCT)
Prior art keywords
integrated circuit
coil
identified
core
identification
Prior art date
Application number
PCT/ES2006/000372
Other languages
English (en)
Spanish (es)
Inventor
Oscar Perez Cornejo
David Castillo Plaza
José Luis PODEROSO LOPEZ
Miguel Angel Paris Torres
Original Assignee
Hispano Ferritas S.A.
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 Hispano Ferritas S.A. filed Critical Hispano Ferritas S.A.
Priority to PCT/ES2006/000372 priority Critical patent/WO2008000848A1/fr
Publication of WO2008000848A1 publication Critical patent/WO2008000848A1/fr

Links

Classifications

    • 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
    • H01Q7/06—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 with core of ferromagnetic material
    • H01Q7/08—Ferrite rod or like elongated core
    • 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
    • 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
    • G06K19/07773—Antenna details
    • G06K19/07786—Antenna details the antenna being of the HF type, such as a dipole
    • 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
    • H01Q1/2225—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 used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal

Definitions

  • the present invention relates to a high frequency radiofrequency identification device, of the type commonly used in shops and department stores for the identification of different products on which it is implanted, in order to facilitate its identification as well as a series of data associated with it, but which can also be used for the identification of animals and even people.
  • the object of the invention is to provide a device whose performance is independent of the object, animal or person it identifies, providing a drastic reduction in the area necessary for its implantation.
  • Identification tags are known based on a tag itself or large sticker in which a coil acting as an antenna is incorporated, associated with an integrated circuit, so that the electrical current induced in the antenna by the signal Radio frequency scanning provides enough power to said circuit to be able to transmit a response.
  • Radio frequency scanning provides enough power to said circuit to be able to transmit a response.
  • the high-speed radio-frequency identification device that the invention proposes solves in a fully satisfactory manner the aforementioned problem, providing a device of small size and whose performance is not affected by the material in which the body to which the body is constituted is constituted. notices.
  • the device is constituted to from a core of magnetic material with a relative permeability greater than 10, on which an extended wrapping winding is established along the same whose ends are associated with an integrated circuit of the type used in this type of devices, being able to optionally incorporate a capacitor arranged in parallel for tuning the antenna at the operating frequency of the device.
  • Said identifier will also be protected by the corresponding resin, plastic or similar encapsulation.
  • the device once encapsulated will be fixed on the object to be identified, with the special feature that the winding axis will be at all times parallel to the surface of the body on which it is fixed, unlike what happened in conventional identifiers, in which the axis of the coil is always arranged perpendicular to the surface of the body to be identified.
  • the magnetic field that passes through it, in the direction of said axis does not have to pass through said body, and therefore is independent of the material or materials in which it is obtained, achieving optimum performance of the device for any body to be identified.
  • Figure 1 shows a perspective view of a high frequency radio frequency identification device made in accordance with the object of the invention and devoid of its protective encapsulation.
  • Figure 2.- Shows an electrical scheme of the device of the previous figure.
  • Figure 3. shows a schematic representation of the magnetic field that passes through the coil of the previous figures, in which it can be seen how it is parallel to the body to which it is intended to identify the device.
  • the high frequency radio frequency identification device with an operating frequency of 13.56 MHz, is constituted from a core ( 1) of magnetic material, of reduced dimensions, with a relative magnetic permeability greater than 10, which in the example of practical implementation chosen presents a flattened rectangular prismatic configuration, but which could adopt other configurations, incorporating in any case an enveloping winding ( 2) which extends along said core (1), whose ends are connected to an integrated circuit (3), of the type commonly used in this type of devices.
  • Said integrated circuit (3) may optionally incorporate a capacitor (4) connected in parallel to the coil (2) for tuning the antenna at the operating frequency.
  • the assembly described above will have a protective encapsulation (4) based on resin, plastic or similar, offering a surface for fixing the device to the body (6) to be identified by adhesive or any other means conventional, so that the identification device is fixed to the body (6) so that the winding axis of the coil (7) is arranged parallel to said body (6), as seen in Figure 3.
  • the magnetic field (8) emitted by the identification scanner will pass through the coil in the direction of its winding axis (7), without crossing the constituent material of the body (6), and therefore with total independence of which said material.
  • the winding does not need to surround an area as large as in conventional devices, being able to develop along an axis of non-concentric shape, with an axis parallel to the surface of the body (6) intended to identify, providing a smaller device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

Le dispositif est structuré à partir d'un noyau (1) d'une matière magnétique, de petite taille, à perméabilité magnétique relative supérieure à 10, à bobinage enveloppant (2) qui s'étend sur sa longueur, dont les extrémités sont connectées à un circuit intégré (3), doté éventuellement d'un condensateur (4) parallèle au circuit intégré pour syntoniser l'antenne sur la fréquence de fonctionnement du dispositif. L'ensemble est protégé par une enveloppe (5) dont un de ses côtés est fixé sur le corps (6) à identifier. Ainsi, l'axe d'enroulement (7) de la bobine (2) est parallèle à la surface du corps (6) à identifier, de même que le flux magnétique le traversant, lequel ne traversera par le corps. Le rendement du dispositif est indépendant de la nature de la matière constituant le corps à identifier (6).
PCT/ES2006/000372 2006-06-23 2006-06-23 Dispositif d'identification par radiofréquence haute fréquence WO2008000848A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/ES2006/000372 WO2008000848A1 (fr) 2006-06-23 2006-06-23 Dispositif d'identification par radiofréquence haute fréquence

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2006/000372 WO2008000848A1 (fr) 2006-06-23 2006-06-23 Dispositif d'identification par radiofréquence haute fréquence

Publications (1)

Publication Number Publication Date
WO2008000848A1 true WO2008000848A1 (fr) 2008-01-03

Family

ID=38845152

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2006/000372 WO2008000848A1 (fr) 2006-06-23 2006-06-23 Dispositif d'identification par radiofréquence haute fréquence

Country Status (1)

Country Link
WO (1) WO2008000848A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60233904A (ja) * 1984-05-04 1985-11-20 Matsushita Electric Ind Co Ltd アンテナ装置
JPS63115403A (ja) * 1986-10-31 1988-05-20 Matsushita Electric Ind Co Ltd バ−アンテナ
DE19622387A1 (de) * 1996-06-04 1997-12-11 Aeg Identifikationssys Gmbh Transponder
WO1999004295A2 (fr) * 1997-07-14 1999-01-28 Aeg Identifikationssysteme Gmbh Dispositif transpondeur et son procede de production
EP1357511A2 (fr) * 2002-04-24 2003-10-29 Smart Card Co., Ltd. Système d'étiquette à circuit intégré
US20050007296A1 (en) * 2001-09-28 2005-01-13 Takanori Endo Antenna coil and rfid-use tag using it, transponder-use antenna
EP1498842A1 (fr) * 2002-04-01 2005-01-19 K-Ubique ID Corporation Dispositif de communication et son boitier

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60233904A (ja) * 1984-05-04 1985-11-20 Matsushita Electric Ind Co Ltd アンテナ装置
JPS63115403A (ja) * 1986-10-31 1988-05-20 Matsushita Electric Ind Co Ltd バ−アンテナ
DE19622387A1 (de) * 1996-06-04 1997-12-11 Aeg Identifikationssys Gmbh Transponder
WO1999004295A2 (fr) * 1997-07-14 1999-01-28 Aeg Identifikationssysteme Gmbh Dispositif transpondeur et son procede de production
US20050007296A1 (en) * 2001-09-28 2005-01-13 Takanori Endo Antenna coil and rfid-use tag using it, transponder-use antenna
EP1498842A1 (fr) * 2002-04-01 2005-01-19 K-Ubique ID Corporation Dispositif de communication et son boitier
EP1357511A2 (fr) * 2002-04-24 2003-10-29 Smart Card Co., Ltd. Système d'étiquette à circuit intégré

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