WO2004008377B1 - Transponder antenna, transponder antennae system, and transponder system and receiver - Google Patents

Transponder antenna, transponder antennae system, and transponder system and receiver

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Publication number
WO2004008377B1
WO2004008377B1 PCT/EP2003/007503 EP0307503W WO2004008377B1 WO 2004008377 B1 WO2004008377 B1 WO 2004008377B1 EP 0307503 W EP0307503 W EP 0307503W WO 2004008377 B1 WO2004008377 B1 WO 2004008377B1
Authority
WO
WIPO (PCT)
Prior art keywords
transponder
tan
tal
transponder antenna
signals
Prior art date
Application number
PCT/EP2003/007503
Other languages
German (de)
French (fr)
Other versions
WO2004008377A1 (en
Inventor
Arno Stein
Original Assignee
Arno Stein
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 DE10242671A external-priority patent/DE10242671A1/en
Application filed by Arno Stein filed Critical Arno Stein
Priority to AU2003250036A priority Critical patent/AU2003250036A1/en
Priority to EP03763801A priority patent/EP1522041A1/en
Publication of WO2004008377A1 publication Critical patent/WO2004008377A1/en
Publication of WO2004008377B1 publication Critical patent/WO2004008377B1/en

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Classifications

    • 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
    • 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
    • G06K19/0723—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • 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
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • 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
    • 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
    • G06K7/10356—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 using a plurality of antennas, e.g. configurations including means to resolve interference between the plurality of antennas

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Radio Transmission System (AREA)

Abstract

The invention relates to a transponder antennae system comprising a plurality of transponder antennae (TA1 -TAn) which are simultaneously supplied with electrical alternate signals (W1 - Wn) that can be successively modulated and demodulated. Said system has a plurality of receivers which respectively receive and evaluate signals from at least one transponder antenna.

Claims

38 38
GEÄNDERTE ANSPRÜCHECHANGED CLAIMS
[beim Internationalen Büro am 29 Dezember 2003 (29.12.03) eingegangen, ursprüngliche Ansprüche 1-31 geändert][received by the International Bureau on 29 December 2003 (29.12.03), original claims 1-31 changed]
1. Transponderantennensystem mit einer Quelle (20 - 22) für elektrische Wechselsignale, mehreren Transponderantennen (TAl - TAn), von denen mindestens eine sendende Transponderantenne zyklisch mit elektrischen Wechselsignalen (Wl - Wn) aus der Quelle (20 - 22) versorgt wird, und mehreren Empfängern (El - En), die jeweils von mindestens einer Transponderantenne (TAl - TAn) Signale empfangen und auswerten, dadurch gekennzeichnet, dass eine Zyklusdauer (Tz) in mehrere Timeslots (init, TSl - TSn) unterteilt ist, die sendende Transponderantenne (TAl - TAn) in einem Timeslot (init) mit modulierten und in anderen Timeslots (TSl - TSn) mit unmodulierten elektrischen Wechselsignalen (Wl - Wn) versorgt wird, und die sendende Transponderantenne (TAl - TAn) und die Empfänger (El - En) so zueinander synchronisiert sind, dass während der anderen Timeslots (TSl - TSn) mehrere Empfänger (El - En) gleichzeitig Signale empfangen und auswerten können.A transponder antenna system having a source (20-22) for alternating electrical signals, a plurality of transponder antennas (TAl - TAn), of which at least one transmitting transponder antenna is cyclically supplied with alternating electrical signals (Wl - Wn) from the source (20-22), and a plurality of receivers (El - En), each receiving and evaluating signals from at least one transponder antenna (TAl - TAn), characterized in that a cycle duration (Tz) is subdivided into several timeslots (init, TSl - TSn), the transmitting transponder antenna ( TAl - TAn) in a timeslot (init) with modulated and in other timeslots (TSl - TSn) with unmodulated electrical alternating signals (Wl - Wn), and the transmitting transponder antenna (TAl - TAn) and the receivers (El - En) are synchronized with each other so that during the other timeslots (TSl - TSn) several receivers (El - En) can simultaneously receive and evaluate signals.
2. Transponderantennensystem nach Anspruch 1, dadurch gekennzeichnet, dass jeder Empfänger (El - En) je ausschließlich einer Transponderantenne (TAl - TAn) zugeordnet ist. 392. transponder antenna system according to claim 1, characterized in that each receiver (El - En) is each associated exclusively with a transponder antenna (TAl - TAn). 39
3. Transponderantennensystem nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass n Transponderantennen (TAl - TAn) vorgesehen sind, wobei n >= 3 gilt, und n-1 oder n Empfänger (El - En).3. transponder antenna system according to claim 1 or 2, characterized in that n transponder antennas (TAl - TAn) are provided, where n> = 3, and n-1 or n receiver (El - En).
4. Transponderantennensystem nach einem oder mehreren der vorherigen Ansprüche, gekennzeichnet durch eine Vorrichtung (Kl - Kn) zum Unterbrechen des Signalpfads zwischen mehreren Empfängern (El - En).4. Transponderantennensystem according to one or more of the preceding claims, characterized by a device (Kl - Kn) for interrupting the signal path between multiple receivers (El - En).
5. Transponderantennensystem nach einem oder mehreren der vorherigen Ansprüche, gekennzeichnet durch eine Synchronisationsvorrichtung (26), mit der ein Empfänger (El - En) mit einer senderseitigen Komponente (20 - 23) insbesondere zeitlich synchronisiert werden kann.5. transponder antenna system according to one or more of the preceding claims, characterized by a synchronization device (26) with which a receiver (El - En) with a transmitter-side component (20 - 23) can be synchronized in particular temporally.
6. Transponderantennensystem, nach einem oder mehreren der vorherigen Ansprüche, dadurch gekennzeichnet, dass mehrere sendende Transponderantennen (TAl - TAn) vorgesehen sind, die in demselben Timeslot (init) mit den modulierten Wechselsignalen versorgt werden.6. Transponderantennensystem, according to one or more of the preceding claims, characterized in that a plurality of transmitting transponder antennas (TAl - TAn) are provided which are supplied in the same timeslot (init) with the modulated alternating signals.
7. Transponderantennensystem nach Anspruch 6, dadurch gekennzeichnet, dass die Zeitabstimmung mit einer Genauigkeit erfolgt, die einen Zeitversatz von maximal 40 % der Dauer eines Datenbits zulässt. 407. transponder antenna system according to claim 6, characterized in that the timing is performed with an accuracy that allows a maximum time offset of 40% of the duration of a data bit. 40
8. Transponderantennensystem nach einem oder mehreren der vorherigen Ansprüche, gekennzeichnet durch mehrere Empfänger (El - En), die jeweils das Signal von einer oder mehreren Transponderantennen (TAl - TAn) empfangen und auswerten.8. Transponderantennensystem according to one or more of the preceding claims, characterized by a plurality of receivers (El - En), each receiving and evaluating the signal from one or more transponder antennas (TAl - TAn).
9. Transponderantennensystem nach Anspruch 8, dadurch gekennzeichnet, dass jeder Transponderantenne (TAl - TAn) ein Empfänger (El - En) zugeordnet ist.9. transponder antenna system according to claim 8, characterized in that each transponder antenna (TAl - TAn) is assigned a receiver (El - En).
10. Transponderantennensystem nach einem oder mehreren der vorherigen Ansprüche, gekennzeichnet durch eine Frequenzabgleichseinrichtung, die die Frequenzen der einzelnen Wechselsignale (Wl - Wn) der sendenden Transponderantennen (TAl - TAn) aufeinander abgleicht.10. Transponderantennensystem according to one or more of the preceding claims, characterized by a frequency adjustment device, which matches the frequencies of the individual alternating signals (Wl - Wn) of the transmitting transponder antennas (TAl - TAn) to each other.
11. Transponderantennensystem nach einem oder mehreren der vorherigen Ansprüche, gekennzeichnet durch eine Phasensteuerungseinrichtung, die die Phasen der einzelnen Wechselsignale (Wl - Wn) mehrerer sendender Transponderantennen (TAl - TAn) steuert.11. transponder antenna system according to one or more of the preceding claims, characterized by a phase control device which controls the phases of the individual alternating signals (Wl - Wn) of several transmitting transponder antennas (TAl - TAn).
12. Transponderantennensystem nach einem oder mehreren der vorherigen Ansprüche, gekennzeichnet durch eine Wechselsignalquelle (20), die ein Wechselsignal erzeugt, einen Modulator (21), der das Wechselsignal der Wechselsignalquelle zeitweise moduliert, und einen Leistungsteiler (22), der das gegebenenfalls modulierte Wechselsignal (Wl - Wn) empfängt, aufteilt und je einen Wechselsignalteil je einer Transponderantenne (TAl - TAn) zuführt. 12. Transponderantennensystem according to one or more of the preceding claims, characterized by an alternating signal source (20) which generates an alternating signal, a modulator (21) which temporarily modulates the alternating signal of the alternating signal source, and a power divider (22), which optionally modulated alternating signal (Wl - Wn) receives, divides and each one alternating signal part each a transponder antenna (TAl - TAn) supplies.
13. Transponderantennensystem nach einem oder mehreren der vorherigen Ansprüche, gekennzeichnet durch eine Wechselsignalquelle (20), die ein Wechselsignal erzeugt, einen Leistungsteiler (22), der das Wechselsignal empfängt, aufteilt und die Wechselsignalteile einzeln ausgibt, und mehrere Modulatoren (31-1 - 31-n), die jeweils das Wechselsignalteil empfangen, zeitweise modulieren und einer Transponderantenne (TAl - TAn) zuführen.13. transponder antenna system according to one or more of the preceding claims, characterized by an alternating signal source (20) which generates an alternating signal, a power divider (22) which receives the alternating signal, divides and outputs the alternating signal parts individually, and a plurality of modulators (31-1 - 31-n) each receiving the alternating signal part, temporarily modulating and supplying a transponder antenna (TAl - TAn).
14. Transponderantennensystem nach einem oder mehreren der vorherigen Ansprüche, gekennzeichnet durch mehrere Wechselsignalquellen (41-1 - 41-n), die je ein Wechselsignal erzeugen, mehrere Modulatoren (42-1 - 42-n), die jeweils das Wechselsignalteil empfangen, zeitweise modulieren und einer Transponderantenne (TAl - TAn) zuführen, und eine Synchronisationseinrichtung (71), die die Zeiten der Versorgung der Transponderantennen (TAl - TAn) mit den modulierten Signalen für alle Transponderantennen (TAl - TAn) aufeinander abstimmt.14. Transponderantennensystem according to one or more of the preceding claims, characterized by a plurality of alternating signal sources (41-1 - 41-n), each generating an alternating signal, a plurality of modulators (42-1 - 42-n), each receiving the alternating signal part, temporarily and a synchronization device (71) which tunes the times of supply of the transponder antennas (TAl - TAn) with the modulated signals for all transponder antennas (TAl - TAn).
15. Transponderantennensystem nach einem oder mehreren der Ansprüche 5 bis 14, gekennzeichnet durch eine Frequenzabgleicheinrichtung (72), die die Frequenzen der Wechselsignale (Wl - Wn) aufeinander abstimmt. 4215. transponder antenna system according to one or more of claims 5 to 14, characterized by a frequency adjustment device (72), which tunes the frequencies of the alternating signals (Wl - Wn) to each other. 42
16. Transpondersystem mit mehreren Transpondem und einem Transponderantennensystem nach einem oder mehreren der vorherigen Ansprüche.16. A transponder system comprising a plurality of transponders and a transponder antenna system according to one or more of the preceding claims.
17. Transponderantennenvorrichtung mit mindestens einer Transponderantenne (TAl - TAn), die mit e- lektrischen Wechselsignalen (Wl - Wn), versorgbar ist, einem der Transponderantenne (TAl - TAn) zugeordneten Empfänger (El - En), der von der Transponderantenne (TAl - TAn) Signale empfängt und auswertet, und einem Anschluss (62 - 64) zum Verbinden der Transponderantennenvorrichtung mit einer weiteren, gleichartigen Transponderantennenvorrichtung, gekennzeichnet durch eine Synchronisationseinrichtung (43), mit der der Empfänger so auf einen Empfänger einer über den Anschluß (62 - 64) anschließbaren Transponderantennenvorrichtung synchronisierbar ist, dass während bestimmter Timeslots (TS 1 - TSn) die synchronisierten Empfänger (El - En) gleichzeitig Signale empfangen und auswerten können.17. Transponderantennevorrichtung with at least one transponder antenna (TAl - TAn), which is supplied with e- lektrischen alternating signals (Wl -Wn), one of the transponder antenna (TAl - TAn) associated receiver (El - En), of the transponder antenna (TAl TAn) receives and evaluates signals, and a connection (62-64) for connecting the transponder antenna device to another, similar transponder antenna device, characterized by a synchronization device (43), with which the receiver to a receiver via the connection (62 64) can be synchronized, that during certain timeslots (TS 1 - TSn) the synchronized receivers (El - En) can simultaneously receive and evaluate signals.
18. Transponderantenne, die mit einem elektrischen Wechselsignal versorgt wird, das zeitlich nacheinander moduliert und unmoduliert ist, gekennzeichnet durch eine Synchronisationseinrichtung (71), mit der die Zeiten der Versorgung der Transponderantenne mit den modulierten Signalen auf entsprechende Zeiten einer anderen Transponderantenne abstimmbar sind. 4318. Transponder antenna, which is supplied with an electrical alternating signal which is modulated in time and unmodulated, characterized by a synchronization device (71), with which the times of supply of the transponder antenna with the modulated signals to corresponding times of another transponder antenna are tunable. 43
19. Transponderantenne nach Anspruch 18, gekennzeichnet durch eine Frequenzabgleichseinrichtung (72), mit der die Frequenz des Wechselsignals (Wl - Wn) der Transponderantenne (TAl - TAn) auf diejenige des Signals einer anderen Transponderantenne (TAl - TAn) abgleichbar ist.19. Transponder antenna according to claim 18, characterized by a frequency adjustment device (72) with which the frequency of the alternating signal (Wl - Wn) of the transponder antenna (TAl - TAn) can be compared to that of the signal of another transponder antenna (TAl - TAn).
20. Transponderantenne nach Anspruch 18 oder 19, gekennzeichnet durch einen Empfänger zum Empfangen und Auswerten der Signale von der Transponderantenne (TAl - TAn), oder einen Anschluss hierfür.20. transponder antenna according to claim 18 or 19, characterized by a receiver for receiving and evaluating the signals from the transponder antenna (TAl - TAn), or a connection for this purpose.
21. Transpondersystem mit mehreren Transpondem, mehreren Transponderantennenvorrichtungen nach Anspruch 17 oder 18 oder mehreren Transponderantennen (TAl - TAn) nach einem oder mehreren der Ansprüche 18 bis 20, und einer mit den jeweiligen Synchronisationseinrichtungen (71) zusammenwirkend Synchronisationssteuerung.A transponder system comprising a plurality of transponders, a plurality of transponder antenna devices according to claim 17 or 18 or more transponder antennas (TAl - TAn) according to one or more of claims 18 to 20, and synchronization control cooperating with the respective synchronization devices (71).
22. Empfänger für Signale einer Transponderantenne mit einem Eingang (93, 94) für ein Signal von einer Transponderantenne, gekennzeichnet durch einen Synchronisationseingang (91) zum Synchronisieren des Empfängers mit senderseitigen Komponenten (20 - 23) eines Transpondersystems, so dass während der Timeslots (TSl - TSn) mehrere Empfänger (El - En) gleichzeitig Signale empfangen und auswerten können. 4422. A receiver for signals of a transponder antenna having an input (93, 94) for a signal from a transponder antenna, characterized by a synchronization input (91) for synchronizing the receiver with transmitter-side components (20 - 23) of a transponder system, so that during timeslots ( TSl - TSn) several receivers (El - En) can simultaneously receive and evaluate signals. 44
23. Empfänger nach Anspruch 22, gekennzeichnet durch einen, zwei oder mehrere Eingänge (93, 94) für Signale von Transpon- derantennnen (TAl - TAn).23. A receiver according to claim 22, characterized by one, two or more inputs (93, 94) for signals from Transpon- derantennnen (TAl - TAn).
24. Transponderantennensystem nach einem oder mehreren der Ansprüche 1 bis 17, dadurch gekennzeichnet, dass eine oder mehrere Transponderantennen (TAl - TAn) nicht mit elektrischen Wechselsignalen versorgt werden.24. Transponderantennensystem according to one or more of claims 1 to 17, characterized in that one or more transponder antennas (TAl - TAn) are not supplied with electrical alternating signals.
26. Transponderantennensystem nach einem oder mehreren der Ansprüche 1 bis 17 oder 24, dadurch gekennzeichnet, dass eine oder mehrere Transponderantennen (TAl - TAn) nicht mit einer Empfangseinrichtung verbunden sind.26. transponder antenna system according to one or more of claims 1 to 17 or 24, characterized in that one or more transponder antennas (TAl - TAn) are not connected to a receiving device.
27. Zugangskontrollsystem mit einem Transponderantennensystem nach einem oder mehreren der Ansprüche 1 bis 15 oder 24, 25, gekennzeichnet durch eine oder mehrere Barrieren und/ oder Alarmeinrichtungen und/ oder Ton- bzw. Bildaufzeichnungseinrichtungen, die Bezug nehmend auf Transpondersignale beeinflussbar sind.27. Access control system with a transponder antenna system according to one or more of claims 1 to 15 or 24, 25, characterized by one or more barriers and / or alarm devices and / or sound or image recording devices that can be influenced with reference to transponder signals.
28. Zugangskontrollsystem nach Anspruch 27, dadurch gekennzeichnet, dass Alarme und/ oder Barrieren und die Alarm- bzw. Barrierenbeeinflussung torindividuell vorgesehen sind.28. Access control system according to claim 27, characterized in that alarms and / or barriers and the alarm or barrier influencing are provided torindividuell.
29. Zugangskontrollsystem nach Anspruch 27 oder 28, gekennzeichnet durch ein weiteres, vorzugsweise torindividuell arbeitendes Detektionssystem, wobei eine Steuervorrichtung zur Beeinflussung einer Barriere und/ oder Alarmeinrichtungen auch 4529. Access control system according to claim 27 or 28, characterized by a further, preferably torindividuell working detection system, wherein a control device for influencing a barrier and / or alarm devices also 45
Bezug nehmend auf Signale vom Detektionssystem ausgelegt ist.Referring to signals from the detection system is designed.
30. Zugangskontrollsystem nach Anspruch 29, dadurch gekennzeichnet, dass das Detektionssystem eine Lichtschranken und/ oder eine Wägeeinrichtungen und/ oder einen Infrarotsensor und/ oder eine Kamera mit Bildauswertung und/ oder einen biometrischen Sensor aufweist.30. Access control system according to claim 29, characterized in that the detection system comprises a light barrier and / or a weighing device and / or an infrared sensor and / or a camera with image analysis and / or a biometric sensor.
31. Zugangskontrollsystem nach Anspruch 29 oder 30, gekennzeichnet durch eine Verknüpfungsvorrichtung zum Verknüpfen von Transpondersignalen und von Signalen vom Detektionssystem. 31. Access control system according to claim 29 or 30, characterized by a linking device for linking transponder signals and signals from the detection system.
PCT/EP2003/007503 2002-07-12 2003-07-10 Transponder antenna, transponder antennae system, and transponder system and receiver WO2004008377A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2003250036A AU2003250036A1 (en) 2002-07-12 2003-07-10 Transponder antenna, transponder antennae system, and transponder system and receiver
EP03763801A EP1522041A1 (en) 2002-07-12 2003-07-10 Transponder antenna, transponder antennae system, and transponder system and receiver

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10231474.8 2002-07-12
DE10231474 2002-07-12
DE10242671.6 2002-09-13
DE10242671A DE10242671A1 (en) 2002-07-12 2002-09-13 Transponder antenna, transponder antenna system, transponder system and receiver

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WO2004008377A1 WO2004008377A1 (en) 2004-01-22
WO2004008377B1 true WO2004008377B1 (en) 2004-04-08

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Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
US5640151A (en) * 1990-06-15 1997-06-17 Texas Instruments Incorporated Communication system for communicating with tags
US5477215A (en) * 1993-08-02 1995-12-19 At&T Corp. Arrangement for simultaneously interrogating a plurality of portable radio frequency communication devices
US5745049A (en) * 1995-07-20 1998-04-28 Yokogawa Electric Corporation Wireless equipment diagnosis system

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EP1522041A1 (en) 2005-04-13
AU2003250036A1 (en) 2004-02-02

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