EP1232477A1 - Support de donnees mobile comprenant un transpondeur constitue d'un element a ondes de surface avec une antenne a fente - Google Patents

Support de donnees mobile comprenant un transpondeur constitue d'un element a ondes de surface avec une antenne a fente

Info

Publication number
EP1232477A1
EP1232477A1 EP00987174A EP00987174A EP1232477A1 EP 1232477 A1 EP1232477 A1 EP 1232477A1 EP 00987174 A EP00987174 A EP 00987174A EP 00987174 A EP00987174 A EP 00987174A EP 1232477 A1 EP1232477 A1 EP 1232477A1
Authority
EP
European Patent Office
Prior art keywords
antenna
data carrier
mobile data
slot
wave component
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.)
Withdrawn
Application number
EP00987174A
Other languages
German (de)
English (en)
Inventor
Christian Korden
Thomas Ostertag
Werner Pfeifer
Gerd Scholl
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.)
Siemens AG
Original Assignee
Siemens AG
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 DE29920240U external-priority patent/DE29920240U1/de
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1232477A1 publication Critical patent/EP1232477A1/fr
Withdrawn legal-status Critical Current

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
    • H01Q1/2208—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
    • 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
    • G06K19/0672—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 resonating marks
    • 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
    • G06K19/0672—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 resonating marks
    • G06K19/0675—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 resonating marks the resonating marks being of the surface acoustic wave [SAW] kind
    • 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
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10—Resonant slot antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10—Resonant slot antennas
    • H01Q13/16—Folded slot antennas

Definitions

  • the invention relates to a mobile data carrier.
  • This can e.g. be attached to piece goods and have the function of an identification mark.
  • the mobile data carrier contains a transponder that contains a surface wave component, i.e. in particular an OF identification tag or an SAW sensor, and has an antenna arrangement.
  • the mobile data carrier can in particular emit data via a transponder of this type. This allows the data on the mobile data carrier to be used in a contactless manner, e.g. retrieved from external reading stations and updated if necessary.
  • the slot antenna advantageously has an antenna plate with an antenna slot.
  • the surface wave component is advantageously on the underside of the antenna plate, and is attached there in a region at the end or in a central region of the antenna slot.
  • the two connection contacts of the surface wave component are in contact with the underside of the antenna plate on opposite sides of the antenna slot.
  • the slot antenna can be produced inexpensively with little effort, e.g. in the form of a simple stamped part using conventional sheet metal as an antenna sheet.
  • a radio-readable surface wave component in the form of an SAW identification mark or SAW sensor can be attached and contacted in a simple manner on the slot antenna serving as a metallic carrier.
  • the mobile data carrier according to the invention has the particular advantage that it can be implemented inexpensively, in particular at low component and manufacturing costs.
  • the data carrier according to the invention has further functional advantages.
  • the overall arrangement according to the invention consisting of a surface wave component under an antenna plate with an antenna slot is both in the immediate vicinity of metal surfaces and at elevated temperatures, e.g. at> 200 ° C, can be used without restrictions on functionality and has particularly good values in terms of transmission and reception range.
  • FIG. 1 shows a plan view of a first exemplary embodiment of a mobile data carrier according to the invention, with a slot antenna which has an antenna slot, which is preferably designed in a straight line,
  • FIG. 1 has an additional, preferably metallic, base plate mounted on spacer bolts,
  • FIG. 4 a top view of a second exemplary embodiment for a mobile data carrier according to the invention
  • FIG. 5 a top view of a third exemplary embodiment of a mobile data carrier according to the invention, the antenna slot of the slot antenna being designed to be stretched and arranged diagonally on an antenna plate, and
  • FIG. 6 a top view of a fourth exemplary embodiment of a mobile data carrier according to the invention, the antenna slot of the slot antenna being curved in an exemplary manner.
  • Figure 1 shows an example of a first embodiment of a mobile data carrier 1 according to the invention.
  • this has a transponder consisting of a slot antenna 2 and a surface wave component 3.
  • the surface wave component 3 can advantageously have the function of an SAW identification mark or an SAW sensor.
  • the slot antenna 2 has an advantageously flat, in particular plate-like shape.
  • the slot antenna 2 has a metallic antenna plate 21 with an antenna slot 22.
  • the length of the antenna slot is determined by the working frequency and by the electrical load with the surface wave component 3.
  • a value of 2.45 GHz can be used, for example, as the working frequency.
  • the length of the antenna slot 22 corresponds approximately to half the wavelength associated with this working frequency.
  • this is positioned more in a central region 222 or at an end region 221 of the slot antenna 2.
  • the surface wave component 3 is positioned at the end of the antenna slot 22, while in the examples in FIGS. 4 to more it is positioned in the region of the center 222 of the antenna slot 22
  • an additional base plate 5 can be attached to the side of the spacing means 41, 42 facing away from the slot antenna 2, as shown in FIG. 3. This is preferably electrically conductive at least on the surface.
  • the distance between the plate-shaped antenna plate 21 and the base plate 5 can in this case be selected accordingly Spacer bolts 41, 42 are set so that the transponder of the data carrier, ie the arrangement of the surface wave component 3 and the slot antenna 2, has the greatest possible reception or transmission range.
  • the transponder of the data carrier ie the arrangement of the surface wave component 3 and the slot antenna 2
  • the arrangement in FIG. 3 represents a particularly advantageous compact unit regardless of the surface on which the data carrier is attached. Irrespective of the application, it has consistently optimal reception and transmission properties, which are essentially due to the design and the mutual spatial arrangement of antenna plate 21 and metallic base plate 5.
  • the embodiments of the mobile data carrier 1 according to the invention shown in FIGS. 5 and 6 have the particular advantage that the slot antenna 2 of the transponder has an antenna plate 21 with the smallest possible area.
  • the antenna slot 22 is diagonally angled, in the embodiment of FIG. 6, for example, in an Z or S shape. This allows a significant reduction in the edge length of the antenna plate 22 and thus the overall dimensions of the data carrier 1. there 6 with the z-shaped antenna slot has the shortest edge length.
  • the slot antenna 2 can also be made asymmetrically from antenna plate 21 with antenna slot 22.
  • Non-conductive materials with a metallized surface can also serve as the base surface.
  • the base surface can in principle be of any shape.
  • the surface can advantageously be completely or partially metallized.
  • the base area is used when using a mobile data carrier 1 according to the invention in a so-called identification system e.g. formed by the outside of a piece of stucco.
  • the contacting of the surface wave component 3 on the slot antenna 2 is advantageously carried out by soldering, conductive adhesive, or by a combination of solder and non-conductive adhesive, which is then only used for mechanical mounting. If a high-temperature solder is used, the identification mark can also be used at temperatures above 200 ° C.
  • the optically readable identification number 6 can be applied e.g. through embossing, punching, application with the laser, mechanical engraving, application of a stamped or printed label, direct printing with inkjet printing.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Support Of Aerials (AREA)
  • Waveguide Aerials (AREA)

Abstract

La présente invention concerne un support de données mobile (1) présentant un transpondeur doté d'une antenne à fente (2) et d'un élément à ondes de surface (3) servant d'émetteur et/ou de récepteur, ledit élément à ondes de surface étant relié à l'antenne à fente de manière conductrice de l'électricité. L'antenne à fente (2) présente l'avantage de comprendre une plaque d'antenne (21) comprenant une fente d'antenne (22). L'élément à ondes de surface (3) présente l'avantage de comprendre des contacts électriques de connexion (31, 32) qui sont mis en contact de manière conductrice de l'électricité à gauche et à droite de la fente d'antenne (22). L'élément à ondes de surface (3) se trouve de préférence sur la face inférieure (213) de la plaque d'antenne (21). Ladite face inférieure présente l'avantage d'être recouverte, par l'intermédiaire d'éléments d'espacement (41, 42), d'une plaque de base (5) supplémentaire, de préférence conductrice de l'électricité.
EP00987174A 1999-11-18 2000-11-20 Support de donnees mobile comprenant un transpondeur constitue d'un element a ondes de surface avec une antenne a fente Withdrawn EP1232477A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE29920240U 1999-11-18
DE29920240U DE29920240U1 (de) 1999-11-18 1999-11-18 Mobiler Datenträger mit Oberflächenwellenbauelement und Schlitzantenne
DE19955707 1999-11-18
DE19955707 1999-11-18
PCT/DE2000/004092 WO2001037215A1 (fr) 1999-11-18 2000-11-20 Support de donnees mobile comprenant un transpondeur constitue d'un element a ondes de surface avec une antenne a fente

Publications (1)

Publication Number Publication Date
EP1232477A1 true EP1232477A1 (fr) 2002-08-21

Family

ID=26055590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00987174A Withdrawn EP1232477A1 (fr) 1999-11-18 2000-11-20 Support de donnees mobile comprenant un transpondeur constitue d'un element a ondes de surface avec une antenne a fente

Country Status (3)

Country Link
US (1) US20020167450A1 (fr)
EP (1) EP1232477A1 (fr)
WO (1) WO2001037215A1 (fr)

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Also Published As

Publication number Publication date
WO2001037215A1 (fr) 2001-05-25
US20020167450A1 (en) 2002-11-14

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