EP0055843B1 - Verfahren zur Zeitmessung von Wettläufen und Gerät zum Ausführen des Verfahrens - Google Patents

Verfahren zur Zeitmessung von Wettläufen und Gerät zum Ausführen des Verfahrens Download PDF

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Publication number
EP0055843B1
EP0055843B1 EP81110634A EP81110634A EP0055843B1 EP 0055843 B1 EP0055843 B1 EP 0055843B1 EP 81110634 A EP81110634 A EP 81110634A EP 81110634 A EP81110634 A EP 81110634A EP 0055843 B1 EP0055843 B1 EP 0055843B1
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Prior art keywords
camera
race
document
events
fact
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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.)
Expired
Application number
EP81110634A
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English (en)
French (fr)
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EP0055843A1 (de
Inventor
Jean-Pierre Bovay
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Omega Electronics SA
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Omega Electronics SA
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Publication date
Application filed by Omega Electronics SA filed Critical Omega Electronics SA
Publication of EP0055843A1 publication Critical patent/EP0055843A1/de
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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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F13/00—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00
    • G04F13/02—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00 using optical means

Definitions

  • the present invention relates to a method for timing races and a device for implementing this method comprising a camera for recording second events occurring at the finish of the race in line with a line of arrival.
  • a device of this kind is known from the disclosure of invention CH-A-399 028 in which is described a timing device comprising a photographic camera, the film of which advances with a uniform movement and means making it possible to photograph only a narrow space or a line at a time and means making it possible to project time indications on the film.
  • a method for determining the times separating the passages of mobiles in line with a reference line substantially perpendicular to their trajectory is also known from the disclosure of invention CH-A-590 518.
  • the installation shown comprises a camera television consisting of a conventional camera, the two scans of which have been swapped so that the fastest scan is carried out in a vertical direction, and the slower scan of which has been omitted.
  • FIG. 1 attached to this description will show the timing as it appears according to the techniques used until now and as it has been described for example in the review "Die Uhr" No 12 of June 25, 1972 (pages 14 to 18).
  • the race lanes of which only one 1 has been shown in the drawing, each comprise a starting machine 2 shown here in the form of a starting block for a sprint race.
  • This block includes a switch 3 which will be actuated by the athlete's foot at the time of departure as well as a loudspeaker 4 intended to transmit the orders given by the starter and the start signal.
  • the starter transmits his race preparation orders by means of a microphone 5 whose signal is amplified by the amplifier 6.
  • the starter gives the start signal by pressing the trigger on the pistol 7.
  • the detonation, captured by the microphone 5, is perceived by the runner in the loudspeaker 4.
  • the gun 7 has an incorporated contact 8 which closes in synchronism with the detonation produced by the percussion of the cartridge of the gun 7. Closing of the contact 8 starts the counter of an apparatus 9 called false start control center.
  • the difference between the starting signal communicated to the central by line 10 and the actual departure of the runner arriving at said central by line 11 is recorded on a strip of paper 12. If there was premature departure, a false start signal 13 is emitted by the central 9 then amplified by the amplifier 6 to finally reach the headphones 14 worn by the starter who then has the leisure to cancel the start.
  • Figure 1 also shows that at the end of the corridor 1 is the finish line 15 on which the camera 16 is turned.
  • the line 17 which connects the contact 8 of the gun 7 to the camera 16 allows the start of the counter incorporated in said camera. Shortly before the finish of the race, the operator starts the film contained in the camera, which results, on the one hand, in recording the arrival times, on the other hand, the photograph of each runner crossing the finish line. The film 18 is then developed to serve as a witness to the results obtained by the competitors.
  • the US-A-2, 590, 389 patent was cited in the research report, which describes a timing device for horse races essentially comprising a mobile camera preceding the lead horse by fifteen meters. At the same time as it films the course of the race, this camera records data relating to 1 hour, elapsed time and wind speed, carried by instruments located in front of its lens. The ranking of the competitors can be deduced from their apparent size. On the other hand, additional indications to authenticate the position of horses passing at the checkpoint are only given by scanning the records taken by another fixed camera whose axis of the lens is perpendicular to the racing line.
  • the proposed system is complicated and that it uses a mobile camera subject to frequent mechanical disturbances.
  • the proposed system requires two documents to accurately judge the time and ranking of competitors. Contrary to what has just been said, it will be seen that the device described in the present invention uses only a single camera and a single document on which all the race data are present, thus eliminating any dispute or risk of error.
  • FIG 2 shows some of the constituent parts already discussed in connection with Figure 1. We will therefore use for these the same reference numbers.
  • the athlete sets up, feet resting on the starting block 2 in lane 1 and facing the finish line 15. He receives a preparation order from the starter by the microphone 5, the amplifier 6 and the loudspeaker 4. If one wants to avoid the time of transmission of sound between the pistol and the ear of the runner which can extend up to six hundredths of a second, it is the same loudspeaker 4 which goes transmit to it the starting signal given mainly by the percussion of the cartridge being in the pistol 7. As indicated above, the triggering of the counter of the camera actuated by the switch 8 of the pistol 7 does not take place necessarily when the rider hears the detonation.
  • the invention proposes to provide each starting block with a light flash 20.
  • This flash is activated by closing the contact 8 via line 10, the central unit 21 and line 22.
  • the switch 8 via line 17 simultaneously activates the counter of the camera 23, there is no more difference between the start of the counter and the perception by the athlete of the starting signal so that the imprecision mentioned above was eliminated. It will also be understood that the proposed system is perfectly reproducible since it is a single switch 8 which activates both the counter and the flash.
  • the switch 3 linked to the starting block 2 is connected to the central unit 21 by the line 11. The same is true for all the other blocks not shown.
  • this provision allows the starter to interrupt the race if there has been a false start.
  • the invention proposes to record this difference on the document produced by the camera 23 and this via the line 26 which communicates to the said camera all the reaction times of the runners. It is clear that if printing on paper tape is deemed superfluous, it would be possible to abandon it.
  • Figure 2 shows an anemometer 27 which measures the wind speed. The value of this speed is transmitted to the document produced by the camera by means of line 28.
  • Figure 3 is an example of what this single document might contain. Although not limited to this method, as will appear later, it will be assumed that the document is a photographic film driven in a camera with uniform motion. We will also refer to Figure 2 to explain the events that appear on the document.
  • the film 40 comprises at 30 a time scale where the large vertical bars 31 represent the tenths of a second and the small vertical bars 32 represent the hundredths of a second. Below this scale appears in 33 the marking of the minutes and in 34 the marking of the seconds and tenths of a second.
  • the means used to achieve the scale and the marking have been sufficiently explained in the description cited CH 399 028 so that it is not necessary to extend it here. It should be noted, however, that the gas tubes which had been envisaged in this patent can advantageously be replaced by a more modern technique which uses light-emitting diodes (LEDs).
  • LEDs light-emitting diodes
  • the film also includes an identification inscription 35 which, according to a known method, consists in filming a text located on a drum rotating in the extension of the finish line. This drum is shown at 29 in FIG. 2. It makes it possible both to identify the stroke and to ensure dynamic control of the alignment of the film.
  • the camera 23 is turned on. From this moment, the time scale 30 is written on the film with an arbitrary marking 33, 34, that is to say that corresponding to the content of the counter of the camera, for example 19 minutes 47 seconds and 2 tenths . From this moment also, one may want to check whether the departure control center 21 is ready for operation. If this is the case, said central unit 21 emits by line 26 a pulse per starting machine 2. These pulses each excite a light source which comes to impress the film by leaving there a trace 36 of triangular shape for example. The upper triangle corresponds to the first race lane and the lower triangle to the last race lane.
  • this marking 36 could be worn on the first upper half opposite the race lanes 42 which are filmed by the camera as soon as it is started.
  • the same remark applies to the starting marking 38 which will be explained below.
  • the starter gives the start signal. From this moment the camera counter is set to zero and starts counting from this value. Also at this instant, the lightning given by the flash 24 impresses the film by leaving a vertical trace 37 there. It is recalled here that the trace 37 is synchronized exactly with all the individual starting light signals 20 or, if these n do not exist, is synchronized to within a few hundredths of a second with the starting signal corresponding to the detonation of the pistol cartridge 7. Trace 37 has another advantage: if for one reason or another (line 17 cut for example ) the camera counter was not set to zero at time t 1 , it would still be possible to determine the time of each runner by making the difference between the finish time and the start time entered opposite the light trace.
  • the competitors each leave their starting block by actuating the switch 3 which, via line 11, the central unit 21 and line 26, sends a pulse per runner to the camera 23.
  • These pulses excite light sources which impress the film leaving the triangular traces 38 which are offset in the direction of the height to allow the identification of the race lanes.
  • the first runner starts at time t 2 , is in the fifth lane and his reaction time was 0.11 s.
  • the last runner starts at time t 3 , is in the second lane and his reaction time was 0.25 s.
  • the film can be stopped (time t 4 ).
  • the camera is restarted.
  • the counter which has not been stopped, re-writes the time elapsed since the start signal.
  • the anemometer 27 sends via line 28 an indication relating to the wind speed which is marked on the film at location 39 by means of techniques similar to those used for marking time. It will be understood that this indication of the wind speed could also be made when the film is stationary, for example during the period between the times t 4 and t 5 .
  • the invention is not limited to a photographic document with continuous scrolling. It also applies to any document obtained by other processes, the essential residing in obtaining a single document containing all the data necessary to assess the progress of a race from its start to its arrival. Thus the use of a frame-by-frame film could just as well be suitable. Methods of recording by television camera and video recorder with a single vertical scan or with a conventional line / frame scan would be conceivable by analogy.
  • the invention is not limited either to the practical embodiment which has been given here in the description and in the drawing. It will be understood, for example, that the marking of the starting reaction times (t 2 , t 3 ) could consist of points or vertical lines in place of the triangles described. Likewise, the light flashes 20 and 24 could be actuated by opening the contact 8 instead of being closed by closing the contact as explained above. Finally, it is obvious that the flash 24 could be, relative to the camera 23, below the finish line 15 rather than beyond it as shown in FIG. 2.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Camera Data Copying Or Recording (AREA)
  • Studio Devices (AREA)

Claims (13)

1. Zeitmeßverfahren für Wettläufe, bei dem man eine Bildkamera (23) betätigt zum Aufzeichnen der beim Zieleinlauf erfolgenden Ereignisse, welche Kamera (23) an einer festen Stelle aufgebaut ist und mit der Achse ihres Objektivs auf die Ziellinie (15) gerichtet ist, dadurch gekennzeichnet, daß die genannten sich beim Einlauf ergebenden Ereignisse auf einem einzigen Dokument (40) registriert werden, das Ereignisse enthält, die sich beim Start des Wettlaufs ereigneten.
2. Zeitmeßverfahren für Wettläufe nach Anspruch 1, gekennzeichnet durch die Abfolge der nachstehenden Schritte:
- eine kurze Zeitspanne (to) vor Start des Wettlaufs setzt die Bedienungsperson die Kamera in Gang, die auf einem Dokument (40) die in ihrem Zeitzähler enthaltenen freien Werte (33, 34) aufzeichnet,
- der Starter gibt (t1) das Startsignal (8) des Wettlaufs, was zur Folge hat, daß der Zähler der Kamera auf Null gesetzt wird und auf dem Dokument (40) ein Startsignal (37) aufgezeichnet wird, konsekutiv mit einem Lichtsignal (24), das an der Stelle der Ziellinie (15) angeordnet ist,
- die Teilnehmer verlassen die Startlinie unter jeweiliger Betätigung der ihnen zugeordneten Startmaschine (2) zum Einschreiben auf dem Dokument (40) von ersten Ereignissen (38), die ihre Reaktionszeit (t2, t3) ausdrücken,
- die Bedienungsperson stoppt die Kamera während des Wettlaufs (t4),
- eine kurze Zeitspanne (ts) vor dem Zieleinlauf des Wettlaufs setzt die Bedienungsperson die Kamera in Gang zum Aufzeichnen von zweiten Ereignissen (41), die in Bildform die Einlaufzeit (t6, t7) der Teilnehmer darstellen,
- die Bedienungsperson stoppt die Kamera bei Beendigung des Wettlaufs.
3. Vorrichtung zum Durchführen des Verfahrens nach Anspruch 1 oder 2, umfassend eine Bildkamera (23) zum Aufzeichnen von zweiten Ereignissen (41), die sich bei Zieleinlauf des Wettlaufs ergeben, dadurch gekennzeichnet, daß die Kamera an einer festen Stelle installiert ist mit ihrer Objektivachse auf die Ziellinie (15) gerichtet, und daß sie die Mittel (3, 8,24) umfaßt zum Aufzeichnen, mit Hilfe derselben Kamera (23) von ersten Ereignissen (37, 38), die sich bei Start des Wettlaufs ergeben, in Abhängigkeit von der Aussendung eines Startsignals (4, 20), und daß die genannten ersten Ereignisse vor den genannten zweiten Ereignissen auf ein- und demselben Dokument (40) aufgezeichnet werden.
4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die genannten ersten und zweiten Ereignisse gemeinsam mit einer die Zeit angebenden Skala (30) aufgezeichnet werden.
5. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß das Dokument (40) ein Fotofilm ist, der von einer Kamera (23) mit gleichförmigem Vorlauf bewegt wird.
6. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß das Dokument (40) ein Magnetband ist, daß das Signal einer VideoKamera (23), versehen nur mit einer Vertikalabtastung, aufnimmt.
7. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß das Dokument (40) ein Fotofilm ist, der von einer Kamera (23) mit intermittierendem Vorlauf bewegt wird.
8. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß das Dokument (40) ein Magnetband ist, das das Signal einer VideoKamera (23) mit Vertikal- und Horizontalabtastung empfängt.
9. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß der Aussendung des Startsignals (4, 20) das Aufleuchten eines Lichtsignals (24) entspricht, angeordnet in der Verlängerung der Ziellinie (15) zum Markieren des Beginns der genannten ersten Ereignisse (37, 38) auf dem Dokument (40).
10. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß das Dokument (40) neben den genannten ersten und zweiten Ereignissen die Aufzeichnung (39) der während des Wettlaufs herrschenden Windgeschwindigkeit umfaßt.
11. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die zeitliche Versetzung (t2- t1) zwischen dem Startsignal (37) und dem tatsächlichen Start (38) jedes Teilnehmers, geliefert durch eine Startmaschine (2) auf dem Dokument (40) aufgezeichnet ist zum Markieren der genannten ersten Ereignisse (38), welche die Reaktionszeit (t2, t3) des Starts jedes Teilnehmers anzeigen.
12. Vorrichtung nach Anspruch 11, dadurch gekennzeichnet, daß jede Startmaschine (2) mit einem Start-Lichtsignal (20) versehen ist.
13. Vorrichtung nach Anspruch 11, dadurch gekennzeichnet, daß die Reaktionszeit (t1,t2) des Startes jedes Teilnehmers auf dem Dokument (40) in Form einer Marke (38) pro Teilnehmer aufgezeichnet ist und daß die genannte Marke in der gleichen Laufbahn (42) ausgefluchtet ist wie diejenige, die das zweite Ereignis (41) umfaßt, das in Bildform den Einlauf des betreffenden Teilnehmers repräsentiert.
EP81110634A 1980-12-31 1981-12-21 Verfahren zur Zeitmessung von Wettläufen und Gerät zum Ausführen des Verfahrens Expired EP0055843B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8027958A FR2497369B1 (fr) 1980-12-31 1980-12-31 Procede pour chronometrage de courses et dispositif pour la mise en oeuvre de ce procede
FR8027958 1980-12-31

Publications (2)

Publication Number Publication Date
EP0055843A1 EP0055843A1 (de) 1982-07-14
EP0055843B1 true EP0055843B1 (de) 1986-07-02

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EP81110634A Expired EP0055843B1 (de) 1980-12-31 1981-12-21 Verfahren zur Zeitmessung von Wettläufen und Gerät zum Ausführen des Verfahrens

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US (1) US4523204A (de)
EP (1) EP0055843B1 (de)
DE (1) DE3174905D1 (de)
FR (1) FR2497369B1 (de)

Families Citing this family (21)

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Publication number Priority date Publication date Assignee Title
EP0207675B1 (de) * 1985-06-19 1990-05-02 Yamaguchi Cinema Corporation Aufnahme- und Wiedergabegerät für Videosignale
US4752764A (en) * 1986-12-29 1988-06-21 Eastman Kodak Company Electronic timing and recording apparatus
DE3716987C1 (de) * 1987-05-21 1988-04-28 Augustin Imhof Verfahren und Vorrichtung zur Bestimmung der Zeit zwischen Start und Ziel von Wettkaempfern od.dgl.
FR2648594B1 (fr) * 1989-06-15 1993-03-05 Omega Electronics Sa Appareil pour le chronometrage de courses
US5513103A (en) * 1991-01-10 1996-04-30 Charlson; Cary Method of acquiring and disseminating handicapping information
US5367286A (en) * 1991-04-02 1994-11-22 Swiss Timing Ltd. System for instantaneously displaying the ranking of a competitor in a race with sequential starts
JP3237124B2 (ja) * 1991-04-19 2001-12-10 ソニー株式会社 映像信号処理装置
JPH05173231A (ja) * 1991-12-24 1993-07-13 Purasumitsuku:Kk 移動体撮影装置
US5467652A (en) * 1994-01-03 1995-11-21 Richards; Katy S. Apparatus and method for determining response parameters of a runner to a start signal
JP2819016B2 (ja) * 1995-08-30 1998-10-30 セイコーインスツルメンツ株式会社 着順判定装置
EP0805595B1 (de) * 1996-04-30 2002-03-20 Plusmic Corporation Bewegtbild-Beurteilungsgerät
US6072751A (en) * 1997-02-28 2000-06-06 Kirson; Allan M. Athletic training device and method
ATE239277T1 (de) * 1997-08-22 2003-05-15 Omega Electronics Sa System mit einem photosensor, insbesonder zur zeitmessung bei wettkämpfen, und einstellverfahren zum ausrichten eines solchen systems auf eine ziellinie
US5831940A (en) * 1997-08-27 1998-11-03 Gillette; Warren Solo electronic starter and timer system
US6433817B1 (en) * 2000-03-02 2002-08-13 Gavin Guerra Apparatus and method for determining the winner of a race
US7901292B1 (en) * 2004-04-15 2011-03-08 Navteq North America, Llc Method for comparing performances on remotely located courses
US20060146132A1 (en) * 2005-01-05 2006-07-06 Hy Mayerson Video system having multiple video cameras for capturing events
US20170230622A9 (en) * 2010-12-31 2017-08-10 Flashtiming LLC Systems and methods for timing athletic events
US8675452B2 (en) * 2010-12-31 2014-03-18 Flashtiming LLC Systems and methods for timing athletic events
US20140221159A1 (en) * 2012-12-21 2014-08-07 Wendell Lawrence Force feedback starting blocks
US10154650B2 (en) * 2015-03-02 2018-12-18 Dueling Dogs LLC Aquatic race assembly for canines

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GB410630A (en) * 1932-07-01 1934-05-24 Electrical Res Prod Inc Improvements in or relating to apparatus for timing races or other events
US2590389A (en) * 1946-08-23 1952-03-25 Douglas J Doyle Time recording apparatus for race tracks
US2641523A (en) * 1947-08-11 1953-06-09 Beckman & Whitley Inc Photographic time recording
US2819942A (en) * 1953-12-21 1958-01-14 Crowley Jones Camera Corp Photofinish camera and direct reading photographing timer
CH285963A4 (de) * 1963-03-06 1965-04-15
US3502009A (en) * 1967-12-22 1970-03-24 Fred J Connors Race timer system
US3678189A (en) * 1969-12-11 1972-07-18 Robert A Oswald Method of producing time-position records of objects
JPS5570778A (en) * 1978-11-22 1980-05-28 Ricoh Co Ltd Camera taking picture of stop watch

Also Published As

Publication number Publication date
US4523204A (en) 1985-06-11
EP0055843A1 (de) 1982-07-14
DE3174905D1 (en) 1986-08-07
FR2497369A1 (fr) 1982-07-02
FR2497369B1 (fr) 1985-06-07

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