WO2013150119A1 - Transpondeur rfid pourvu d'un dispositif de signalisation - Google Patents

Transpondeur rfid pourvu d'un dispositif de signalisation Download PDF

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Publication number
WO2013150119A1
WO2013150119A1 PCT/EP2013/057145 EP2013057145W WO2013150119A1 WO 2013150119 A1 WO2013150119 A1 WO 2013150119A1 EP 2013057145 W EP2013057145 W EP 2013057145W WO 2013150119 A1 WO2013150119 A1 WO 2013150119A1
Authority
WO
WIPO (PCT)
Prior art keywords
control
control unit
rfid transponder
rfid
predetermined period
Prior art date
Application number
PCT/EP2013/057145
Other languages
German (de)
English (en)
Inventor
Siegfried Ritter
Steffen Rauer
Original Assignee
Sportident Gmbh
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 Sportident Gmbh filed Critical Sportident Gmbh
Publication of WO2013150119A1 publication Critical patent/WO2013150119A1/fr

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Classifications

    • 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
    • G06K19/0701—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 at least one of the integrated circuit chips comprising an arrangement for power management
    • G06K19/0702—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 at least one of the integrated circuit chips comprising an arrangement for power management the arrangement including a battery
    • 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
    • G06K19/07701—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction
    • G06K19/07703—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction the interface being visual
    • 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

Definitions

  • the invention relates to a passive RFID transponder with a control and control unit and an energy store and to a method for operating such an RFID transponder.
  • a preferred field of use of passive RFID transponders is, for example, the detection of the passing of persons or objects at checkpoints.
  • Passive RFID transponders draw their operating energy from the radio signals of a
  • US 2008/0136596 AI includes a passive RFID tag comprising a sensor unit for detecting the environmental conditions of the tag, a volatile memory, a nonvolatile memory and a control unit which stores the data of the sensor unit in the volatile memory and these data under predetermined conditions transferred to the non-volatile memory.
  • the RFID tag may include a power supply unit that powers the tag under predefined conditions.
  • the RFID tag includes a power ⁇ receiving unit which receives the supply voltage given by the RF signal, and a current monitoring unit comprising the
  • the strength of the received RF signal measures and, depending on the measured strength of the RF signal, supplies the RFID tag with power from the integrated power supply unit or with the power recovered from the RF signal.
  • DE 10 200 4007 106 B4 shows a circuit arrangement for an RFID transponder with a receiving device for
  • a first memory means having a first output for storing a control state (Q) of the circuit arrangement in dependence on the control signal is present.
  • a Interconnected to the first output of the first memory means second storage means is provided with an output for keeping the STEU ⁇ er gleichs case of lack of supply voltage of the circuit arrangement.
  • a field effect transistor connected in the form of a diode with a short-circuited gate-source connection is arranged.
  • the first storage means has a data input. The signal present at the data input signal is transferred to the second storage means in response to the control ⁇ signal which is supplied from an input circuit of the circuit arrangement ⁇ , and the control state of the two ⁇ th memory means.
  • the receiving device is designed to receive electromagnetic energy for supplying at least the circuit arrangement.
  • EP 1 732 026 B1 shows a circuit arrangement for RFID transponders.
  • a capacitor is used, which is connected in series with a switching means and in parallel with the output of the storage means for storing a control state (Q) serving first storage means.
  • the switching means controls the charging of a second memory ⁇ means with electrical energy.
  • a passive RFID transponder which maintains its state after a temporary failure of the supply voltage.
  • the transponder comprises a state holding cell which is connected to a digital status machine and is adapted to maintain the state ⁇ information during a loss of energy due to a lack of reception of the requesting RF signal by the RF receiving part.
  • the state hold cell has an OR gate having a first input terminal operatively connected to receive a voltage corresponding to the state information, and a second input terminal
  • An input terminal coupled to a capacitor via a voltage comparator circuit that provides state information to the digital state machine.
  • Capacitor (corresponding to the state Informa tion corresponds ⁇ ) charged by the voltage.
  • US 7,414,517 B2 shows an RFID transponder with a volatile memory for storing data, a first
  • Power source for feeding a transponder connected to the circuit, which comprises the volatile memory. If the power fails, it ensures that the data in the volatile memory is retained for a predefined amount of time. The first power source will go through
  • the transponder may include a second electrical ⁇ source which supplies the memory upon failure of the first power source.
  • WO 2007/015169 A2 describes an RFID unit comprising a memory chip, an antenna mounted on a carrier and a photocell mounted on the carrier, which is connected to the memory chip and this with energy
  • the data of the memory chip can be displayed on an internal display or an external display of a mobile or fixed unit. To do this, the photocell must be exposed to a light source to activate the memory chip.
  • the data transmission to the fixed unit takes place via an RF transmission via Bluetooth.
  • the data can be stored before or after the application of the RFID device in the memory chip.
  • DE 10 2006 009 451 A1 shows a game character comprising a transponder, an action display and a combined logic / memory unit, which is connected between the transponder and the action display.
  • the game character allows the transponder to transfer data into the combined logic / memory unit in order to control the action display, for example, based on the data stored there.
  • the transponder can be both active and passive. When using an active RFID unit, an additional power source is available. By connecting the logic / memory unit with an energy storage is
  • a passive RFID transponder is assigned to each participating athlete. If these athletes pass RFID read / write units assigned to control stations, then the pass time and the pass time are passed
  • Solution is that the passing athlete after
  • the checkpoint has no lasting or SUST ⁇ loin control over the made successful identification process.
  • Another disadvantage is that the Signals of the RFID read / write unit can not be clearly assigned to the own RFID transponder if at the time of passing the checkpoint several athletes communicate at the same time or very quickly via their RFID transponder with the RFID read / write unit. Particularly proble ⁇ matically if a plurality of RFID read / write units are arranged in a narrow range and assigned to the individual users RFID transponders communicate virtually simultaneously using this RFID read / write units. This results in a large number of signals in a narrow
  • An object of the present invention is to provide a passive RFID transponder, with which a user information about a successful passing of a control point, which communicates with the RFID transponder, over a certain period even after leaving the
  • the passive RFID transponder according to the invention is characterized in particular by the presence of an activatable via the control and control unit signaling device.
  • This signaling device is for a predetermined period signaling the termination of a
  • Control body remain, but may leave this already traveled.
  • An energy store provided for this purpose, for example a battery or a rechargeable battery, initially primarily supplies the signaling device, but preferably also the
  • Control and control unit of the RFID transponder over the predetermined period of time with the necessary electrical energy.
  • a passive RFID transponder According to the invention, a passive RFID transponder
  • a passive RFID transponder with an energy store for further energy supply of
  • the energy storage is thus not primarily for supplying the control and control unit during the RFID cycle.
  • Supply the control and control unit serve when the supply voltage obtained from the RF field reaches a minimum required operating value, but then, for. because of
  • An advantage of the solution according to the invention is the fact that the user by means of signaling device even after leaving the impact or transmission range of an existing at a checkpoint RFID read / write unit information about a successful passing of the control point is available. This is made possible that the serving for activating the signaling device command and control unit continues to be supplied after completion of the communication with an RFID read / write unit by means of integrated Ener ⁇ gie Boulevards over a predetermined period of time.
  • the finite energy supply of the energy storage limits the operating time of the control and control unit and, associated with it, the operating time of the signaling device.
  • the primary function of the passive RFID transponder remains independent of the state of the energy store. The capacity provided by the energy store is spared, since the primary function of the RFID transponder is furthermore preferably fed from the energy which is obtained from the RF field of the RFID read / write unit.
  • the RFID transponder has a self-locking transistor switch for completely disconnecting the energy accumulator from the control and control unit.
  • a first unidirectional control path opens the transistor switch and connects the energy store to a measuring and supply connection of the control and control unit when a supply voltage obtained from the RF (Radio Frequency) field of an RFID read / write unit a minimal necessary
  • the energy storage for a predetermined period of time can also take over the supply of the monitoring and control unit. It is advantageous to carry out an examination of the function ⁇ ability of the energy storage means of monitoring and control unit while the RFID work cycle. In this way, discharged or defective energy storage can be identified.
  • the control and control unit sends an alarm signal to an RFID read / write unit after checking the operability of the energy store and in the event of a negative test result, and in any case blocks the commissioning of the signaling device, possibly also the RFID transponder disabled. As a result, information about defective transponders is promptly recorded at a central location, so that corresponding
  • control and control unit activates a second control ⁇ path for a predetermined period after completion of the RFID duty cycle and operability of the energy storage.
  • the second control path is used to open the transistor switch. After classifiedstimm ⁇ th period of the second control path is deactivated and the transistor switches off. This ensures that the energy store is disconnected after the predefined period of time from the control and control unit, and thus energy is taken out for the operation of the signaling device only over a limited period of time.
  • the control and control unit is preferably a microcontroller. Microcontrollers are inexpensive, have a compact design and can be adapted by its programmability prob ⁇ lemlos to various application conditions and applications.
  • the signaling device can output an optical, acoustic and / or tactile signal.
  • These signal types are equally suitable for signaling a successful communication process of the RFID transponder. Which output signal is ultimately preferred depends on the specific field of application.
  • a rechargeable energy storage is advantageous.
  • the charging of the energy storage takes place eg during the RFID cycle by the RF field of the RFID read / write unit. In this way, the energy required for the subsequent signaling can be provided with little effort.
  • a recharge can be made via a solar cell or a separate charger.
  • the invention also relates to a method for operating a passive RFID transponder according to appended claim 10.
  • the RFID transponder used in the method according to the invention has a control and control device and a
  • the inventive method comprises the following steps: First, a requesting RF signal is received.
  • the requesting RF signal can be transmitted, for example, from an RFID read / write unit arranged at a checkpoint. From this RF signal, the supply voltage for the passive RFID transponder is generated in a conventional manner. The supply voltage obtained from the RF signal is subsequently checked to see if it reaches a minimum required operating value. As soon as such an operating value is reached, the supply of the control and control unit via the integrated energy ⁇ memory either completely taken over or at least buffered by this. This ensures that during the entire RFID cycle (communication process
  • Control and control unit is powered and a signaling device can be activated.
  • Supply gaps for example as a result of an attenuated RF signal, can thus be easily cushioned and the communication process can be completed successfully.
  • the control and control unit During the communication process can be carried out by the control and control unit, a function verification of Energyspei ⁇ chers. If the functional test leads to a negative result, it is advantageous if the control and Control unit reports this fact the RFID read / write unit and as a result a warning signal is output to the RFID read / write unit. At the same time completeness, ⁇ -ended or partial deactivation of no longer fully functional RFID transponder can be done. After completion of an RFID work cycle, the supply of the control and control unit is carried out over a subsequent, predetermined period of time by the energy storage in order to take the signaling device into operation can. This period is limited by the energy contained in the energy store at this time or a predetermined period of time.
  • a signal indicating correct termination of the RFID operating cycle is output at the RFID transponder via the signaling device.
  • This may be, for example, an optical, acoustic or tactile signal.
  • the issued signal gives a user, even after leaving a checkpoint, the opportunity to check whether a successful communication between the transponder and an RFID read / write unit has taken place.
  • the control and control unit is disconnected from the energy storage to limit the removal of energy.
  • the single FIGURE shows a circuit arrangement of a passive RFID transponder according to the invention.
  • the passive RFID transponder according to the invention comprises a
  • Control and control unit 01 which is preferably designed as a microcontroller.
  • the control and control unit 01 serves primarily for the realization of the conventional transponder function, ie it controls the communication with a RFID read / write unit 02, which will not be described here.
  • Read / write unit 02 provided energy may vary depending on the quality of the received signal from the RFID transponder.
  • the control and control unit 01 is connected via a self-locking ⁇ transistor switch 03 with an energy storage 04.
  • transistor switch 03 of the energy storage can be completely quiescent current separately from the control and STEU ⁇ erritt 01 04th
  • the operation of such a switch is known in principle to the person skilled in the art, so that only schematic circuit diagrams are shown in the FIGURE.
  • a first unidirectional control path 06 which opens the transistor switch 03, in particular by applying a voltage to the GATE connection of a MOSFET, and thereby connects the energy store 04 with a measuring and supply connection of the control and control unit 01, if a supply voltage obtained at the connection 05 from the RF field of the RFID read / write unit 02 reaches a minimum necessary operating value. Without this additional supply from the energy storage device the risk would be that falls below this operating value of the communi ⁇ nikationsvorgang between RFID read / write unit 02 and RFID transponder can not be completed correctly.
  • the energy storage is only then activated and claimed, if it is ensured by receiving a rea ⁇ accordingly strong RF signal that the RFID transponder is located in the working range of the RFID read / write unit 02.
  • the monitoring and control unit 01 first checks the level of the voltage and the Leis ⁇ processing capability of the energy storage 04th With a negative test result in a preferred execution ⁇ form an alarm signal can be output to the RFID read / write unit 02.
  • the RFID transponder can be deactivated in this case.
  • a second control path 07 is activated by means of control and control ⁇ unit 01 following the communication process.
  • This second control path 07 in turn opens the transistor switch 03 and thereby connects the control and control unit 01 with the energy storage device 04. In this way, it is ensured that the
  • Control and control unit 01 is supplied with energy after leaving the coupling ⁇ area with the RFID read / write unit 02. After completion of the communication process, the control and control unit 01 activates a signaling device 08, for example an LED, over a predetermined period of time. The duration of this period is predetermined to a reasonable extent in the respective application and is limited upwards by the energy contained in the energy storage 04.
  • the signaling device 08 is used to signal the termination of the communication process with the RFID read / write unit 02. Thus, the user has a direct display ⁇ possibility for a successfully completed communication at the RFID transponder available.
  • the signaling device 08 can output, for example, optical, acoustic or tactile signals.
  • the signaling process is terminated by the control and control unit 01 after the mecanicstimm ⁇ th period the second control path 07 is deactivated and thus the transistor switch 03 blocks.
  • the energy store 04 is rechargeable.
  • the charging of the energy store 04 preferably takes place during the communication process with the RFID read / write unit 02 by its RF field.
  • Alterna tively ⁇ a long-life battery or an accumulator with a larger capacity can be used as an energy storage.

Abstract

L'invention concerne un transpondeur RFID passif comprenant une unité de contrôle et de commande (01) et un accumulateur d'énergie (04). Le transpondeur RFID passif selon l'invention est caractérisé en ce qu'il présente un dispositif de signalisation (08) pouvant être activé par l'unité de contrôle et de commande (01) pour signaler la fin d'un cycle de travail RFID sur une période de temps déterminée, l'accumulateur d'énergie (04) servant à alimenter l'unité de contrôle et de commande (01) sur la période de temps déterminée. L'invention concerne également un procédé pour faire fonctionner un tel transpondeur RFID.
PCT/EP2013/057145 2012-04-04 2013-04-04 Transpondeur rfid pourvu d'un dispositif de signalisation WO2013150119A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210102941 DE102012102941A1 (de) 2012-04-04 2012-04-04 Passiver RFID-Transponder mit Signalisierungseinrichtung sowie Verfahren zum Betreiben eines derartigen RFID-Transponders
DE102012102941.5 2012-04-04

Publications (1)

Publication Number Publication Date
WO2013150119A1 true WO2013150119A1 (fr) 2013-10-10

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ID=48325591

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/057145 WO2013150119A1 (fr) 2012-04-04 2013-04-04 Transpondeur rfid pourvu d'un dispositif de signalisation

Country Status (2)

Country Link
DE (1) DE102012102941A1 (fr)
WO (1) WO2013150119A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014109172A1 (de) 2014-07-01 2016-01-07 Sportident Gmbh Kompassanordnung mit RFID-Transponder
DE102015111389B4 (de) 2015-07-14 2019-08-14 Infineon Technologies Ag Schaltkreisanordnung

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US20020014963A1 (en) * 1999-07-29 2002-02-07 Trosper Scott T. Radio frequency identification devices, remote communication devices, identification systems, communication methods, and identification methods
US6454172B1 (en) * 1997-02-21 2002-09-24 Rohm Co., Ltd. IC card having a display for displaying a response state
US20040056083A1 (en) * 2000-07-17 2004-03-25 Hans Graf Display device for a portable data carrier
DE102004006504A1 (de) * 2004-02-10 2005-09-08 Infineon Technologies Ag Kontaktloser Datenträger mit Signalgeber
US20060017573A1 (en) * 2004-07-26 2006-01-26 Yamaha Coroporation RFID tag-containing apparatus and RFID tag-containing seal
US20060022824A1 (en) * 2004-08-02 2006-02-02 United Parcel Service Of America, Inc. Systems and methods for using radio frequency identification tags to communicating sorting information
US20060244592A1 (en) * 2005-04-29 2006-11-02 Ilkka Kansala Indicating radio frequency identification (RF-ID) tag
US20070273507A1 (en) * 2005-04-22 2007-11-29 Jonathan Burchell Apparatus and method for monitoring and communicating data associated with a product
US20080186178A1 (en) * 2007-02-07 2008-08-07 Micron Technology, Inc. RFIDS, interrogators, indication systems, methods of determining a bi-directional communication range of an interrogator, methods of activating an observable indicator, and methods of indicating bi-directional functionality of a radio connection
US20080220721A1 (en) * 2007-03-09 2008-09-11 Downie John D Passive RFID elements having visual indicators

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US6812841B2 (en) 2002-01-23 2004-11-02 Intermec Ip Corp. Passive RFID tag that retains state after temporary loss of power
DE102004007106B4 (de) 2004-02-13 2011-04-07 Atmel Automotive Gmbh Schaltungsanordnung, insbesondere zur Verwendung in RF-Transpondern oder Remote Sensoren
DE502005007847D1 (de) 2005-06-04 2009-09-17 Atmel Germany Gmbh Schaltungsanordnung zur Verwendung in RF-Transpondern oder Remote Sensoren, sowie Verfahren zum Steuern einer Anzahl derartiger Transponder oder Sensoren
DE102006009451A1 (de) * 2006-03-01 2007-09-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Interaktionsvorrichtung und Verfahren zum Lokalisieren und Identifizieren von Spielfiguren
EP2092466A4 (fr) 2006-07-10 2010-12-29 Amri Moosa Eisa Al Dispositif a etiquette rfid a affichage automatique equipe d'une unite d'affichage ou d'une technologie bluetooth pour envoyer/recevoir des donnees
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6454172B1 (en) * 1997-02-21 2002-09-24 Rohm Co., Ltd. IC card having a display for displaying a response state
US20020014963A1 (en) * 1999-07-29 2002-02-07 Trosper Scott T. Radio frequency identification devices, remote communication devices, identification systems, communication methods, and identification methods
US20040056083A1 (en) * 2000-07-17 2004-03-25 Hans Graf Display device for a portable data carrier
DE102004006504A1 (de) * 2004-02-10 2005-09-08 Infineon Technologies Ag Kontaktloser Datenträger mit Signalgeber
US20060017573A1 (en) * 2004-07-26 2006-01-26 Yamaha Coroporation RFID tag-containing apparatus and RFID tag-containing seal
US20060022824A1 (en) * 2004-08-02 2006-02-02 United Parcel Service Of America, Inc. Systems and methods for using radio frequency identification tags to communicating sorting information
US20070273507A1 (en) * 2005-04-22 2007-11-29 Jonathan Burchell Apparatus and method for monitoring and communicating data associated with a product
US20060244592A1 (en) * 2005-04-29 2006-11-02 Ilkka Kansala Indicating radio frequency identification (RF-ID) tag
US20080186178A1 (en) * 2007-02-07 2008-08-07 Micron Technology, Inc. RFIDS, interrogators, indication systems, methods of determining a bi-directional communication range of an interrogator, methods of activating an observable indicator, and methods of indicating bi-directional functionality of a radio connection
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