EP2453415B1 - Methode et système pour determiner les temps de passage aux points de contrôle, particulièrement pour des évènements sportifs - Google Patents

Methode et système pour determiner les temps de passage aux points de contrôle, particulièrement pour des évènements sportifs Download PDF

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Publication number
EP2453415B1
EP2453415B1 EP20110186481 EP11186481A EP2453415B1 EP 2453415 B1 EP2453415 B1 EP 2453415B1 EP 20110186481 EP20110186481 EP 20110186481 EP 11186481 A EP11186481 A EP 11186481A EP 2453415 B1 EP2453415 B1 EP 2453415B1
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EP
European Patent Office
Prior art keywords
signal strength
message
transponder
transmitter
checkpoint
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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.)
Not-in-force
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EP20110186481
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German (de)
English (en)
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EP2453415A1 (fr
Inventor
Siegfried Ritter
Steffen Rauer
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SPORTident GmbH
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SPORTident GmbH
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Publication of EP2453415A1 publication Critical patent/EP2453415A1/fr
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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • G07C1/22—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people in connection with sports or games
    • G07C1/24—Race time-recorders

Definitions

  • the present invention relates to a method and an arrangement for detecting passing times at checkpoints, in particular at sports events, in which participants are each provided with at least one transponder.
  • the DE 100 05 169 A1 includes an identification and timing device for participants of sporting events with a stationary detection device for the evaluation of individual Codes which are transmitted by transponder carried by the participants.
  • the detection device comprises at least one antenna arrangement which receives the emitted code as the transponders approach.
  • the antenna arrangement extends at the detection location over the entire width of the competition course and comprises at least one elongated, with its longer side transverse to the competition course aligned conductor loop.
  • a method and a device for automatic timing in mass sports events are described.
  • the participants each carry a transponder with an individual code, which is read after a finish and linked to an acquisition time.
  • an internal timekeeper of the transponder is activated and its transponder time is evaluated as a correction value when determining a finish time from the acquisition time.
  • the EP 0 074 330 B1 includes a facility for identifying and determining the passage time of a plurality of moving bodies at a particular point in their path.
  • the bodies are equipped with an oscillator, each of which generates a specific frequency, by means of which an unambiguous assignment can be made.
  • a device for detecting the target passage of participants of a race, in which the participants are each equipped with a transmitter and at least two receiving antennas are present at the destination with a connected receiver.
  • the receiving antennas are arranged with substantially perpendicular to each other Richtangkeit.
  • a target pass signal is generated when the signal from the one receiving antenna is above a high first threshold and the signal of the other receiving antenna are below a low second threshold. In this way, the target passage can be determined relatively accurately.
  • the solution is relatively insensitive to near and distant disturbances.
  • the EP 1 447 681 A2 includes a method for determining the position and time of passing a control station by means of a mobile transponder.
  • the strength of the signal transmitted by the control station is determined several times.
  • the transponder sends a message with the measured signal strength to a receiver, which calculates the position of the transponder from the course of the signal strength and the time of passing the control station.
  • the WO 2007/083018 A1 shows a method and an arrangement for detecting passing times at checkpoints, especially at sports events.
  • the arrangement comprises two transmitters which are arranged on a virtual target line opposite each other and at a distance from each other. Both transmitters transmit at regular intervals a transmission telegram with identical signal strength, which contains a time information.
  • the transponder receives the transmission telegrams of the two stations, which contain the time information and corresponding identifiers of the stations.
  • the object of the invention is to provide a method for detecting pass times at checkpoints, with which a more accurate determination of Passierzeit is possible, with false triggering can be avoided by insufficient local boundaries of the detection point should. Furthermore, an arrangement for more accurate detection of pass times at checkpoints is to be made available, which is easy to install and can be operated mobile and low energy. Method and arrangement should be used for largely any environmental conditions and different types of passages. In particular, structural changes to the subsurface of a linear control point (eg a finish) should become superfluous.
  • the subscribers whose passing time at a checkpoint are e.g. at a sporting event, each equipped with a transponder.
  • the transponder can be carried by the participant or be arranged on the clothing or sports equipment.
  • the method comprises the following steps. First, a first and a second transmitter are arranged at a distance from each other at a control point. The transmitters alternately transmit a transmission telegram of substantially identical signal strength. The signal strength is set apart from tolerance-related deviations as equal as possible to the transmitters, which can be done by factory calibration. In this case, at least one transmission telegram has time information and at least one transmission telegram comprises information characterizing the control point. A first transmission telegram of the first transmitter is received by the second transmitter. Subsequently, by the second transmitter, a decoding and an evaluation of the first transmission telegram and a signaling of the reception status. In this case, an evaluation of the signal strength of the first transmission telegram takes place.
  • This signal strength is detected as the reference signal strength. It represents a measure of the spatial distance between the two transmitters, which corresponds to the length of a finish line when installing the two transmitters.
  • a second transmission telegram is subsequently transmitted by the second transmitter, the determined reference signal strength being transmitted as part of the second transmission telegram.
  • a matched transmission telegram pair of the first and second transmitter is received by a transponder.
  • the transponder is capable of receiving the transmitted telegram pair to decode contained time information and assign this time information as a possible pass time to the contained in the transmission message pair, the control point characterizing information. This data is either buffered by the transponder or determined only when needed, when the condition described below for the validity of Passierzeit occurs.
  • the transponder Furthermore, an evaluation of the signal strengths of the received transmission telegram pair is carried out by the transponder. The sum of the signal strengths of the transmission telegram pair is buffered as the overall signal strength. In the next step, the transponder is used to compare the overall signal strengths of successive transmission telegrams for determining the location-accurate passing of the control point by the transponder, whereby a maximum signal strength is achieved when the control point passes.
  • the reference signal strength contained in the transmission telegram pair is evaluated by the transponder, wherein only in the case that both the signal strength of the first transmitter and the second transmitter are equal to or greater than the reference signal strength, passing the control point is assumed and only in this case, the data contained in the associated transmission protocol detected by the transponder as Passierzeit or accepted as valid (possibly after previous decoding) and permanently stored for later evaluation.
  • the first transmitter operates as an independent master and the second transmitter as a slave dependent.
  • the slave is triggered by the master.
  • the slave receives the transmission telegram of the master. It would also be conceivable, of course, that instead the master receives the transmission telegram of the slave or the master and slave each receive the transmission telegrams of the other.
  • the transponder transmits data via a transmitting device to an information receiving point.
  • the data of several transponders can be stored centrally, which not least has the advantage that a central backup copy of the transponder data is present, which data loss, caused for example by damage to the transponder, can be prevented.
  • the information receiving point is connected to an evaluation unit.
  • an evaluation unit By means of such an evaluation unit, the data of several participants can be compared in real time become. In addition, there is the possibility of interim evaluations.
  • different algorithms are used to determine the location-accurate passing of the control point by comparing the overall signal strength of successive transmission telegrams.
  • the algorithms are adapted to the signal strength curve of the antennas used in the transmitters.
  • a master and two slaves are arranged at the checkpoint.
  • the master is arranged centrally between the slaves in this embodiment.
  • the slaves send their transmission telegrams consecutively after they receive the transmission telegram of the master. In this way it is avoided that the individual transmission telegrams overlap.
  • the transponder uses the transmission telegram of the slave with the higher signal strength to form the overall signal strength and for comparison with the reference signal strength.
  • the master stations in a preferred embodiment should be configured so that they can be used for this purpose without changing their configuration.
  • the master station is also equipped with a device for receiving the transmission signal of the slave station.
  • a corresponding modification of the sent by the master Telegram Upon receipt of the master telegram, the transponder evaluates this information and recognizes whether a checkpoint with only one transmitter is passed or whether the receipt of a slave telegram is still necessary to evaluate the passport information.
  • the inventive arrangement for detecting pass times at checkpoints in sports events comprises at least one transponder and a first and a second transmitter.
  • the two transmitters are arranged at a control point spaced from each other.
  • the described arrangement comprises a few, relatively easy to install components.
  • the transponders can be easily attached to the body of the participants, for example on the arm as a bracelet or on the leg.
  • the transponder can also be attached to the clothing of the participants, conceivable would be, for example, an integration of the transponder in the start number.
  • RFID radio frequency identification
  • the transmitters are preferably constructed as mobile units and can be easily removed from the control point and can then be used at another control point. Of course, in the transmission telegram an adaptation of the information clearly characterizing the control point must take place.
  • the checkpoint is designed as a start and / or finish line.
  • the first and the second transmitter are arranged at opposite end points of the start or finish line.
  • the single FIGURE shows a preferred embodiment of an arrangement according to the invention for detecting passing times at checkpoints. On the left, the signal strength curve is also shown. The illustration shows that a maximum is achieved when passing the checkpoint.
  • the arrangement according to the invention comprises at least one transponder 01.
  • the transponder 01 is fastened, for example, to the body or to the clothing of a participant (not shown).
  • the transponder preferably uses RFID technology.
  • the arrangement further includes a first and a second transmitter 03, 05.
  • a master-slave arrangement is used.
  • the first transmitter 03 operates as an independent master and the second transmitter 05 as a slave dependent on the master.
  • Slave 05 is triggered by master 03.
  • Master 03 and slave 05 are preferably of uniform construction and, in addition to the transmitting unit, have a receiver, an antenna and an evaluation unit.
  • Master 03 and slave 05 are arranged at a control point 07 with a distance A and opposite each other.
  • the checkpoint 07 may be, for example, a start or finish line.
  • Master 03 and slave 05 are located at the opposite end points of the control point 07.
  • the existing between master 03 and slave 05 distance A therefore corresponds substantially to the length of the control point 07.
  • the control point 07 preferably extends over the width of a track 09, on which participants should pass the checkpoint. For many applications, a distance A of about 3 meters has proved favorable. Another distance is of course feasible. A pass time should only be detected and recorded by the transponders of the participants as valid if the respective subscriber moves with his transponder between the two transmitters 03, 05 through the control point 07.
  • the transponder 01 may have a transmitting device (not shown) via which the transponder 01 can communicate with an information receiving point (not shown).
  • the information receiving point is in turn preferably connected to an evaluation unit (not shown).
  • the method according to the invention is preferably used in sports events in mass sports, in which numerous participants are involved. Each participant will be equipped with a transponder 01. The participants move preferably at a speed of 40 km / h, with no restriction on this maximum speed, other speeds are quite possible.
  • a transmission telegram of substantially identical signal strength is transmitted alternately.
  • the transmission ranges are represented by dashed circular arcs with a signal field strength of master 03 and slave 05 that can be reliably evaluated by the participating units.
  • both transmission ranges overlap so far that at least the control point 07 is completely occupied by the overlap region.
  • a time information is included in at least one of the regularly transmitted transmission telegrams of the transmitters.
  • at least one of the transmission telegrams has a concrete control body 07 identifying information.
  • a transmission period, comprising the transmission of both transmission telegrams and an intervening pause, is approximately 50 ms.
  • the slave 05 receives a first transmission telegram of the master 03.
  • the first transmission telegram is then decoded and evaluated by the slave 05.
  • the receive status is signaled by the slave 05.
  • the signal strength of the first transmission telegram received by the master 03 is evaluated by the slave 05.
  • This signal strength is detected as a reference signal strength. This detection is preferably signaled optically or acoustically to the subscriber.
  • the slave 05 sends out a second transmission telegram, in which case the reference signal strength is also transmitted.
  • the timing of the transmission telegrams is performed by the master 03.
  • the slave 05 sends only after receipt and evaluation of the received transmission telegram.
  • the transmission of the transmission telegrams takes place with an alternating magnetic field, which is generated on the transmission side by a transmission antenna acting as a transmitting flat coil.
  • the coil current is supplied by an HF generator with defined power.
  • the planes of the flat coils are aligned so that they are arranged parallel to each other and at a defined distance at the control point 07.
  • the flat coil of the transmitter 03, 05 is also used as a receiving antenna. In the coil located in the region of the alternating magnetic field, a voltage is induced and amplified in the receiver.
  • the level of this signal voltage is proportional to the magnetic field strength at the position of the receiving coil and this field strength in turn depends on the distance to the transmitting coil. Since, as described below, the receiving transmitter and each transponder 01 regenerates a signal from the received transmission telegram and compares it with the signal strength of the subsequent transmission telegram, it is Required that the transmission power and the signal amplification of the receiver of both transmitters 03, 05 have the same values, the design of the flat coils are exactly identical. Apart from tolerance-related deviations, these values are calibrated and calibrated at the factory.
  • the field line structures of the two magnetic fields are the same and mirror-symmetrical to the vertical center plane of the control point 07.
  • These properties of the magnetic fields are used for the inventive method. They allow the specification of a pass time, which is independent of the passage between the two transmitters 03, 05.
  • the transponder 01 receives a pair of associated transmission telegrams consisting of the successive first and second transmission telegrams.
  • the time information contained in the received transmission telegram pair are decoded by the transponder 01.
  • the resulting data record is stored in a data memory of the transponder 01.
  • From the transponder 01 continues to be an evaluation of the signal strengths of the received transmission telegram pair.
  • the sum of the signal strengths of the transmission telegram pair is stored as the total signal strength.
  • a comparison of the total signal strengths can be made in order to obtain a criterion for the exact location of the control point 07 on this basis.
  • different algorithms can be used which are connected to the Signal strength course are adapted to the transmitters used antennas.
  • the selection of the valid passing time is not limited to determining the maximum signal strength.
  • the transponder 01 additionally evaluates the reference signal strength contained in the transmission telegram of the slave 05.
  • a record of a passing of the control point 07 is only formed or evaluated as valid if both the signal strength of the master 03 and the slave 05 are at least equal to or greater than the reference signal strength.
  • transponders 01 incorrect recordings of a further pass time in transponders 01 can be avoided by subscribers who are temporarily located, for example, as viewers 11 at the registration point 07. These participants / spectators 11 who do not pass the checkpoint 07, for example, stop short of the finish line in the vicinity of the checkpoint 07, but outside of the runway 09. In these outdoor areas, although a maximum total signal field strength is determined by the transponders 01, the further condition that the individual signal strengths of both transmitters must be at least equal to the reference field strength also received is not met. Because the signal field strength of the distant transmitter is smaller than the reference field strength due to the greater distance between the subscriber 11 and remote transmitter (compared with the distance A between the transmitters).
  • the signal strength determined by the transponder 01 is proportional to the induced voltage in the transponder receiver coil. Among other things, this voltage depends on the amount of magnetic field strength at the coil position and on the geometric orientation of the coil surface with respect to the field line direction.
  • the value and the direction of the field strength change along the path from position to position.
  • a maximum value of the induced voltage or the signal strength determined therefrom in the transponder 01 can not be unambiguously assigned to a position on the passageway.
  • the flat coil of the transponder receiving coil consists of three flat coils, which are arranged perpendicular to each other.
  • the reception field strength of each individual coil is determined separately and these individual values are subsequently summed up.
  • the sum of the induced voltage thus corresponds with good approximation to the magnitude of the field strength.
  • the direction of movement of a transponder 01 through a control point 07 is ideally perpendicular to the control point 07. In a sports competition, the deviation from the ideal case is low. Along such a track, the amount of magnetic field strength changes, it increases in front of the control point 07, reaches a maximum value in the checkpoint area and decreases again behind the control point.
  • the transponder can be connected to an evaluation unit in a manner known per se.
  • the transponder 01 via its transmitting device, the record transmitted to an information receiving point, which transmits the data to the evaluation unit.
  • checkpoints are usually passed by the participants.
  • Each of these checkpoints is equipped at least with a transmitter operating in master mode.
  • the master is specifically configured with a location code characterizing the associated control point, which is also transmitted in the send telegram.
  • the individual masters can be flexibly supplemented with uniform slaves in order to achieve a higher positional accuracy of the pass time as well as differentiation from the surrounding area at the respective control point. If two slaves are assigned to a master, these slaves must be configured differently as Slave1 and Slave2 in order to avoid overlapping of the sent telegrams.

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  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)

Claims (9)

  1. Procédé pour détecter les temps de passage de participants à un poste de contrôle (07), en particulier lors de manifestations sportives, les participants étant respectivement équipés d'un transpondeur (1) emporté avec soi, avec les étapes suivantes :
    - disposition d'un premier et d'un deuxième émetteur (03, 05) au poste de contrôle (07), les émetteurs présentant un écartement (A) l'un par rapport à l'autre et la ligne de liaison rectiligne entre les émetteurs (03, 05) déterminant la position locale du poste de contrôle (07) ;
    - émission répétée respectivement d'un premier et d'un deuxième télégramme de transmission avec une intensité de signal sensiblement identique par les premier et deuxième émetteurs (03, 05), le premier et/ou le deuxième télégramme de transmission présentant une information de temps et une information caractérisant le poste de contrôle (07) ;
    - réception du premier télégramme de transmission du premier émetteur (03) par le deuxième émetteur (05), évaluation de l'intensité de signal du premier télégramme de transmission présente au niveau du deuxième émetteur (05) et détection de cette intensité de signal présente en tant qu'intensité de signal de référence ;
    - introduction de l'information sur l'intensité de signal de référence dans le deuxième télégramme de transmission à envoyer du deuxième émetteur (05) ;
    - réception d'au moins une paire des télégrammes de transmission associés formée par un premier et un deuxième télégramme de transmission des premier et deuxième émetteurs (03, 05) par le transpondeur (01), y compris de l'information sur l'intensité de champ de référence ajoutée dans le deuxième télégramme de transmission ;
    - détermination des intensités de signal des deux télégrammes de transmission de la paire de télégrammes de transmission réceptionnée et établissement de la somme des intensités de signal en tant qu'intensité totale de signal dans le transpondeur (01) ;
    - comparaison des intensités de signal totales de paires de télégrammes de transmission successives, détermination d'une intensité de signal totale maximale, laquelle apparaît du fait du transpondeur (01) lors du passage par le poste de contrôle (07), décodage de l'information de temps en tant que temps de passage possible pour le poste de contrôle(07) associé à partir de la paire de télégrammes de transmission dans le transpondeur (01) ;
    - comparaison de l'intensité de signal de référence avec l'intensité de signal du premier et du deuxième télégramme de transmission de la même paire de télégrammes de transmission et confirmation du temps de passage seulement si les intensités de signal du premier tout comme également du deuxième télégramme de transmission sont supérieures ou égales à l'intensité de signal de référence, et enregistrement du temps de passage confirmé dans le transpondeur (01).
  2. Procédé selon la revendication 1, caractérisé en ce que le premier émetteur (03) travaille en tant que maître indépendant et en ce que le deuxième émetteur (05) travaille en tant qu'esclave dépendant.
  3. Procédé selon la revendication 2, caractérisé en ce que l'esclave (05) réceptionne le télégramme de transmission du maître (03).
  4. Procédé selon la revendication 2 ou 3, caractérisé en ce que dans le télégramme de transmission du maître (03) on transmet une information sur le mode de fonctionnement avec l'esclave (05) associé.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que le transpondeur (01) transmet des données via un dispositif d'émission à l'intention d'un point de réception d'informations.
  6. Procédé selon la revendication 5, caractérisé en ce que le point de réception d'informations est en liaison avec une unité d'évaluation.
  7. Procédé selon l'une des revendications 1 à 6, caractérisé en ce que pour la détermination du passage précis en fonction du lieu au poste de contrôle (07) grâce à une comparaison de l'intensité de signal totale de télégrammes de transmission successifs, on utilise des algorithmes, lesquels sont adaptés à la variation de l'intensité de signal au niveau des émetteurs (03, 05) d'antennes utilisées.
  8. Procédé selon l'une des revendications 2 à 7, caractérisé en ce qu'un maître et deux esclaves sont disposés au poste de contrôle, le maître étant disposé au milieu entre les esclaves, les esclaves envoyant leurs télégrammes de transmission de manière successive après avoir reçu le télégramme de transmission du maître, et le transpondeur (01) utilisant le télégramme de transmission de l'esclave avec l'intensité de signal plus grande pour former l'intensité de signal totale et pour la comparaison avec l'intensité de signal de référence.
  9. Agencement pour détecter des temps de passage à des postes de contrôle (07), en particulier lors de manifestations sportives, comprenant au moins un transpondeur (01) mobile, un premier et un deuxième émetteur stationnaire (03, 05), les émetteurs (03, 05) étant disposées de manière espacée l'un par rapport à l'autre à un poste de contrôle (07), caractérisé en ce qu'il est configuré pour la mise en oeuvre d'un procédé selon l'une des revendications 1 à 8.
EP20110186481 2010-11-16 2011-10-25 Methode et système pour determiner les temps de passage aux points de contrôle, particulièrement pour des évènements sportifs Not-in-force EP2453415B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010060571 DE102010060571B3 (de) 2010-11-16 2010-11-16 Verfahren und Anordnung zur Erfassung von Passierzeiten an Kontrollstellen, insbesondere bei Sportveranstaltungen

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EP2453415A1 EP2453415A1 (fr) 2012-05-16
EP2453415B1 true EP2453415B1 (fr) 2013-04-24

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DE202013000094U1 (de) 2012-01-17 2013-02-08 City Challenge GmbH System und Display zur elektronischen Anzeige der wechselnden Platzierung von Fahrzeugen oder Teilnehmern während eines Rennens
DK3035298T3 (da) 2014-12-19 2021-05-25 Mylaps B V Bestemmelse af transittiden for en bevægelig transponder
EP3073447B1 (fr) * 2015-03-26 2023-02-01 Swiss Timing Ltd. Procédé et système de mesure d'un temps de passage, et module à transpondeur du système
DE102015010398A1 (de) * 2015-08-13 2017-03-02 race result AG Sportzeitmessung
EP3316226A1 (fr) * 2016-10-31 2018-05-02 Harald Mika Procédé et système d'enregistrement des temps
CN112308999A (zh) * 2019-07-30 2021-02-02 北京八迈科技有限公司 车辆计时方法、计时传感器和接收器、客户端及计时系统

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DE2914137C2 (de) 1979-04-07 1981-03-26 Winfried Dr.Med. 5100 Aachen Hermanns Einrichtung zur Erfassung des Zieldurchganges von Teilnehmern eines Rennens
EP0074330B1 (fr) 1981-09-07 1988-01-07 Compagnie des Montres Longines, Francillon S.A. Installation pour l'identification et la détermination de l'instant du passage d'une pluralité de mobiles en un point déterminé de leur trajectoire
DE10005169A1 (de) 2000-02-04 2001-08-23 Datasec Electronic Gmbh Identifikations- und Zeitnahmevorrichtung für Teilnehmer von Sportveranstaltungen sowie Transponder für Teilnehmer von Sportveranstaltungen
DE10227451A1 (de) 2002-06-20 2004-01-15 ASTRA Gesellschaft für Asset Management mbH & Co. KG Verfahren und Vorrichtung zur automatischen Zeitnahme bei sportlichen Massenveranstaltungen
US6864829B2 (en) * 2003-02-14 2005-03-08 Amb It Holding B.V. System for determining a position of a moving transponder
FR2896325B1 (fr) * 2006-01-18 2008-12-26 Cyrlink Soc Par Actions Simpli Dispositif de chronometrage
NZ556603A (en) * 2007-07-18 2010-03-26 Times 7 Holdings Ltd A timing system and a method of timing for sports using antenna arrays and passive RFID tags

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