US20060100022A1 - Wireless scoring system for sport fencing - Google Patents

Wireless scoring system for sport fencing Download PDF

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Publication number
US20060100022A1
US20060100022A1 US11/255,831 US25583105A US2006100022A1 US 20060100022 A1 US20060100022 A1 US 20060100022A1 US 25583105 A US25583105 A US 25583105A US 2006100022 A1 US2006100022 A1 US 2006100022A1
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United States
Prior art keywords
fencer
signal
operative
guard
blade
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Abandoned
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US11/255,831
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English (en)
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Paul Linsay
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Individual
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Individual
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Priority to US11/255,831 priority Critical patent/US20060100022A1/en
Priority to PCT/US2005/039483 priority patent/WO2006052544A2/fr
Priority to EP05851289A priority patent/EP1814639A4/fr
Publication of US20060100022A1 publication Critical patent/US20060100022A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0605—Decision makers and devices using detection means facilitating arbitration
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/02—Training appliances or apparatus for special sports for fencing, e.g. means for indicating hits
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
    • A63B2225/50—Wireless data transmission, e.g. by radio transmitters or telemetry

Definitions

  • the electronic scoring of sport fencing matches requires that the fencers' equipment be connected to the scoring equipment by electrical wires or cables.
  • the wires are retained in reels, and as the players move during competition, the reels play out the wires and retract the wires depending on the players movement.
  • the wires and reels are cumbersome and can be a distraction to efficient competition and can constrain the available play area. It would be advantageous to eliminate any interconnecting wires between the fencers and scoring equipment and still provide automatic scoring of the match.
  • the Aldridge U.S. Pat. No. 6,700,051 describes a system for scoring contact sports, and in particular karate. Fencing and other contact sports are mentioned but not described with any particularity.
  • the Alvaro U.S. Pat. No. 6,612,968 shows a fencing weapon having a switch at the top of the weapon which is connected to a touch-signaling unit in the weapon grip and which can cause an acoustic or light output upon detecting a touch, and which can cause the transmission of a radio signal to a receiver to remotely signal the touch.
  • the Delcayre U.S. Pat. No. 4,030,731 describes a scoring system in which each fencer wears a unit which can transmit a unique signal frequency to a receiver and in which pulses received by that fencer's unit from another fencer block the transmission of a touch signal.
  • a wireless scoring system which does not require any interconnecting wires between the scoring equipment and the fencers and which requires no change in existing fencing or scoring equipment.
  • a touch detector unit is worn by each fencer and is operative to provide signal indications of fencing touches or hits which uniquely identify each fencer and which signify valid and invalid hits and which can be wirelessly transmitted to receiving apparatus coupled to the scoreboard or other scoring equipment.
  • the system is plug compatible with existing fencing weapons and scoring equipment and is readily employed therewith.
  • the touch detector unit includes an electronic oscillator having a frequency unique to each fencer, detector circuitry for detecting when and where a fencer has been touched, a microprocessor for providing appropriate processing of the detected signals and a wireless modem for transmitting the touch information to receiving apparatus for decoding and for display of scoring information on a scoreboard or for storage or other utilization purposes.
  • FIG. 1 is a wiring diagram of a known foil
  • FIG. 2 is a wiring diagram of a known epee
  • FIG. 3 is a wiring diagram of a known saber
  • FIG. 4 is a block diagram of a touch detector system according to the invention.
  • FIG. 5 is a diagrammatic illustration of the operation of the touch detector system for use with a foil
  • FIG. 6 is a diagrammatic illustration of the operation of the touch detector system with an epee
  • FIG. 7 is a diagrammatic illustration of the operation of the touch detector system with a saber
  • FIG. 8 is a block diagram of receiving apparatus in accordance with the invention.
  • FIG. 9 is a block diagram of an alternative receiving apparatus according to the invention.
  • FIG. 10 is a block diagram of an alternative implementation of the touch detector system for a saber according to the invention.
  • FIG. 11 is a block diagram of an alternative implementation of a touch detector system for a foil according to the invention.
  • FIG. 12 is a block diagram of an alternative implementation of a touch detector system for an epee according to the invention.
  • FIG. 13 is a block diagram of a networked scoring system
  • FIG. 14 is a diagram of a network protocol used in the invention.
  • the present invention in a preferred embodiment is employed with standard fencing equipment and is plug compatible with such equipment.
  • Standard fencing weapons have three electrical terminals for connection to a scoreboard by three interconnecting wires from each fencer.
  • the present wireless system eliminates the need for interconnecting wires and utilizes a small battery powered unit which is worn by each fencer.
  • FIG. 1 The wiring diagram for a known fencing foil is shown in FIG. 1 .
  • a normally closed switch 10 is located at the tip 12 of the foil 14 .
  • One terminal of the switch is connected via a wire to a tip terminal at the handle or grip of the foil.
  • the other switch terminal is connected to a guard terminal at the grip portion.
  • the guard is connected to the switch via the blade which is in electrical connection with the guard.
  • the fencer's metallic vest or lamé 18 is connected by an allegator clip to the body cord.
  • FIG. 2 The wiring diagram for a known epee is shown in FIG. 2 .
  • a normally open switch 10 a is located at the tip 12 a of the epee 14 a.
  • One terminal of the switch is connected by a wire to a tip terminal of the epee.
  • the second terminal of the switch is connected via a wire to a return tip terminal of the epee.
  • the guard 16 a is connected to a guard terminal.
  • the guard 16 a should be electrically insulated from the grip/blade of the epee to avoid possible shorting of the grip/blade to the guard by sweat on the player's hand.
  • An insulating washer can be used at the threshold connection between the grip and blade that retains the guard.
  • FIG. 3 shows the wiring diagram for a known saber.
  • the tip and guard terminals of the saber are connected directly to the blade and guard, respectively, of the saber.
  • the lamé terminal is connected to the lamé.
  • the touch detector system which is usable with any of the three types of fencing weapons, namely, foil, epee or saber, is illustrated in block diagram form in FIG. 4 .
  • the touch detection system includes an oscillator 20 which has a different frequency for each fencer, to delineate the respective fencers in a match or competition.
  • the oscillator 20 can be adjustable in frequency to provide a signal of unique frequency for each player.
  • the fencers are designated herein as red and green and the frequencies will be referred to as F r and F g for the respective players.
  • the oscillator is connected to the tip or blade of the associated weapon.
  • a switch state detector 22 is connected to the guard of a foil, or to the tip of an epee.
  • the switch state detector For use with a foil, the switch state detector provides an output signal when the normally closed tip switch is opened. For use with an epee, the switch state detector provides an output signal when the normally open tip switch is closed. A saber has no tip switch and therefore the switch detector is not utilized for saber matches. A hit or touch is denoted by the output signal of the switch state detector in the case of foil or epee matches. For saber matches, a hit or touch is denoted by the saber blade of one fencer touching the lamé of the opponent fencer. As is understood in the scoring of fencing competitions, a hit by a blade tip or blade may be affected by invalid hits such as hits to or by the blade guard or hits to a piste. The detector circuitry described herein provides detection of all hits needed for proper determination of scores.
  • a frequency detector 24 is connected to the guard of a foil or an epee and provides a digital output signal representing frequency F g when the guard is touched by the green opponent's tip, and a digital code representing frequency F r when the guard is touched by a red opponent's tip.
  • Another frequency detector 26 is connected to the lamé 18 of a fencer and provides respective digital output signals representing frequency F r or F g to signify a hit by the opposer's weapon tip.
  • An oscillator 28 provides a signal of frequency F p to a piste for use during an epee match.
  • a piste detector 29 connected to a piste provides a digital signal representing frequency F p when a weapon tip hits the piste.
  • the digital signals F r , F g and F p are provided to a microprocessor 30 which is operative to encode the frequency signal information and to provide such data to a wireless modem 32 which provides a wireless signal containing the scoring data to receiving apparatus which is coupled to the scoreboard which in turn provides an output indication of the score.
  • Controls 34 can be provided for on/off power control and other desired control functions. One control function can be remote programming of the modem carrier frequency. In the case of a tunable oscillator, the controls 34 can provide for selection of the desired output frequency.
  • the touch detector system is powered by a battery power supply 35 and is contained within a small housing unit which is worn by each fencer and which is sufficiently small and lightweight to not impede the fencer's movements during play.
  • FIG. 5 The operation of the touch detector system for use in a foil match is illustrated in FIG. 5 .
  • the system is worn by the red fencer.
  • the switch state detector 22 detects the opening of the normally closed tip switch 21 and provides a signal indication thereof.
  • the frequency detector 24 will provide a signal F g .
  • the frequency detector 26 provides a signal F r .
  • the red fencer's lamé is touched by the foil tip of the opponent, the frequency detector 26 provides a signal F g .
  • the system operation for use with an epee is shown in FIG. 6 .
  • the epee tip of the red fencer touches an object
  • the normally open tip switch 21 a will be closed and the switch closure will be denoted by a signal from the switch state detector 22 .
  • the detector 24 will provide an output signal F g to denote that hit by the green fencer.
  • An oscillator 50 provides a signal F p to the piste.
  • the tip of the red fencer's epee touches the piste detector 23 provides an output signal F p to denote that hit.
  • the output signals are provided to the microprocessor and wireless modem as described above for transmission to the receiving apparatus.
  • FIG. 7 The system operation for use with a saber is illustrated in FIG. 7 .
  • the detector 26 When the lamé 18 of the red fencer is touched by the saber blade of the opponent, the detector 26 provides a signal F g to denote the hit.
  • the touch information is processed and transmitted in the manner described above.
  • unique frequencies are employed to identify each fencer.
  • the fencers can be identified by other distinguishable signals or codes.
  • a digital code can be used which is unique for each respective fencer and the code can be employed to modulate the transmission signal which can be demodulated and decoded by the receiving apparatus.
  • a single carrier frequency can be employed for all touch detectors, with the digital code providing the distinguishable fencer identification.
  • a match of more than two fencers can be efficiently implemented as each fencer can be individually identified by respective codes which can be readily provided by software control.
  • receiving apparatus which includes a wireless modem 40 which receives the wireless transmission from modem 32 of each touch detector system and which demodulates and decodes the received signals to provide a digital input to microprocessor 42 .
  • the microprocessor controls electronic switches which are contained within a scoreboard interface 44 .
  • the switches are connected via a multi-wire cable to the scoreboard 46 .
  • a standard fencing scoreboard has a seven wire interconnection to the fencing equipment. The wire interconnection replicates the usual wire connection to standard fencing scoreboards.
  • the switches are closed with the same timing as the fencers' touches so that the scoreboard logic, which per se is known and not part of the present invention, can process the touch signals in accordance with the scoring rules, including detection of “simultaneous” touches.
  • the present invention can be used with existing scoreboards without replacement or alteration of those scoreboards.
  • the wireless modems typically operate in the ISM band of 868-928 MHz. Each modem has transmission and receiving capability and can be implemented in integrated circuit (IC) configuration. In a preferred embodiment a Chipcon model CC1010 is utilized which contains a microprocessor and wireless circuitry in a single IC chip.
  • FIG. 9 An alternative embodiment of receiving apparatus is shown in FIG. 9 for use in epee fencing.
  • the piste 50 is connected to a frequency detector 52 which provides a signal F r or F g depending upon which fencer hit the piste with the epee tip.
  • the signal F r or F g is applied to microprocessor 42 which is operative to denote a hit when a fencer's weapon tip has touched the piste.
  • a separate piste oscillator 28 is not needed.
  • the signals F r and F g can be conveyed by wire path or by wireless path to the microprocessor 42 .
  • FIG. 10 An alternative wiring arrangement for a saber is shown in FIG. 10 .
  • an oscillator 60 provides a signal F r to lamé 62 .
  • the saber blade is connected via a tip wire and guard wire to detector 64 .
  • the detector 64 provides a signal F g if the saber of the red fencer touches the green fencer's lamé, and vice versa for a green fencer.
  • FIG. 11 An alternative touch detector system for a foil is shown in FIG. 11 .
  • An oscillator 20 a provides a signal F r1 to lamé 18 .
  • An oscillator 20 b provides a frequency F r2 to guard 16 .
  • the switch state detector 22 detects the opening of the normally closed tip switch 21 and provides a signal indication thereof. If the tip of the red fencer's blade touches the opponent's lamé, detector 24 a provides a signal F g1 . If the red fencer's blade tip touches the opponent's guard, a signal F g2 is provided.
  • a signal F r2 is provided by detector 26 a or alternatively, a signal F r1 by detector 26 b. These signals are applied to the microprocessor 30 and modem 32 for transmission of scoring data to the receiving apparatus, as described.
  • FIG. 12 An alternative touch detector system for an epee is shown in FIG. 12 .
  • An oscillator 20 provides a signal F r to guard 16 .
  • a DC level is provided from a source 17 to one terminal of tip switch 25 .
  • the other tip switch terminal is connected via the return tip wire to switch state detector 22 and detectors 27 and 29 .
  • the epee tip of the red fencer touches an object the normally open tip switch 25 will be closed and the switch closure will be denoted by a signal from switch state detector 22 .
  • detector 27 provides a signal F p .
  • a signal F g is provided by detector 29 .
  • the output signals are provided to the microprocessor and modem for transmission to the receiving apparatus.
  • the electronic scoring system for fencing that is presently used is a seven wire system. Each fencer is connected via three wires to the scoring machine in present wired systems; thus six wires are used for two fencers.
  • the piste is connected to the scoreboard by the seventh wire.
  • the internal logic in the scoring machine recognizes the connected wire pairs to register a score or an off target hit as determined by the fencing rules of the particular match. The logic also determines if the touches were close enough together in time to count as a simultaneous score for both fencers.
  • a computer can be utilized to display hits as they occur and to score the match and record the information in a tournament database as may be desired.
  • a computer interface can be employed in conjunction with a scoreboard interface or can be employed individually.
  • Each scoreboard interface and/or computer interface can be integrated into a network that can be employed to transmit scoring information from the individual scoreboards and computers to a central server which, in turn, can be used to update a master tournament database.
  • This networked system provides for automatic update and display of fencers' scores during a tournament, for example.
  • the central server can also track scores for individual fencers and for each team and can maintain a database that can be continuously updated as the tournament progresses.
  • the network system in one embodiment in illustrated in FIG. 13 .
  • a scoreboard interface 44 which receives signals from the receiving apparatus and which drives a local scoreboard 46 .
  • the receiving apparatus also provides signals to a computer interface 60 which provides scoring information to a computer 62 . Scoring information is provided by the scoreboard interface 44 and/or by the computer 62 to a server 64 which is connected to a database 66 and a tournament scoreboard 68 .
  • the connections to the server from the computer and from the scoreboard interface can be wired connections or can be wireless.
  • Data can be communicated between modem 32 and modem 40 using any of a number of known data transmission protocols.
  • a packet data protocol is illustrated in FIG. 14 and is used in a preferred embodiment of the invention.
  • the modem 40 periodically transmits a packet to a modem 32 of each touch detector unit that alternately requests red or green touch detector data. If a touch detector unit has data to send, the unit will respond to its data request from modem 40 and send data to modem 40 . If modem 40 receives valid data from the associated detector unit, the modem 40 sends an acknowledgement signal to modem 32 . If modem 32 does not receive an acknowledgment, the associated detector unit resends its data during the next valid packet time slot.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Transmitters (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
US11/255,831 2004-11-05 2005-10-21 Wireless scoring system for sport fencing Abandoned US20060100022A1 (en)

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Application Number Priority Date Filing Date Title
US11/255,831 US20060100022A1 (en) 2004-11-05 2005-10-21 Wireless scoring system for sport fencing
PCT/US2005/039483 WO2006052544A2 (fr) 2004-11-05 2005-11-02 Systeme de comptage des points sans fil pour sport d'escrime
EP05851289A EP1814639A4 (fr) 2004-11-05 2005-11-02 Systeme de comptage des points sans fil pour sport d'escrime

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US62568804P 2004-11-05 2004-11-05
US11/255,831 US20060100022A1 (en) 2004-11-05 2005-10-21 Wireless scoring system for sport fencing

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070191116A1 (en) * 2003-12-09 2007-08-16 Gardiner Adrian B Game
US20080084281A1 (en) * 2006-10-06 2008-04-10 Chun-Ming Huang Wireless scoring machine for epee and foil fencing
GB2458437A (en) * 2007-12-19 2009-09-23 John Rohde Fencing priority indication
WO2010084220A1 (fr) * 2009-01-23 2010-07-29 Universitat Politècnica De Catalunya Détecteur de touches pour systèmes de marquage sans fil à utiliser en escrime
US20120028721A1 (en) * 2010-07-29 2012-02-02 Johnson Wayne E Method for Tactile Signaling of Touches in the Sport of Fencing
KR101165423B1 (ko) 2009-02-13 2012-07-12 (주)아이크로스테크놀로지 무선등록을 위한 전자호구와 전자호구 운용시스템 및 이를 이용한 전자호구 무선등록방법
US8348770B2 (en) 2010-07-07 2013-01-08 Jeffrey Shawn Hart Scoring machine
US20130281217A1 (en) * 2011-11-22 2013-10-24 Gheorghe Florea Wireless scoring system for competitive swordplay game with nonmetallic swords
US20150148114A1 (en) * 2013-11-22 2015-05-28 Morehouse USA Creative, LLC Contact sensing device and system
US20160158623A1 (en) * 2014-12-03 2016-06-09 Morehouse USA Creative, LLC Wearable device and method for indicating scoring and scoring athority
US20160310819A1 (en) * 2015-04-23 2016-10-27 Elwha Llc Systems and methods for determining penalties
US9506257B2 (en) 2015-02-06 2016-11-29 Radical Fencing, LLC Portable resilient floating fencing floor system
KR20170008220A (ko) * 2014-05-13 2017-01-23 카판 추 고주파 무선 스코어링에 기반하는 암드 파이팅 인터랙티브 시스템
WO2017173666A1 (fr) * 2016-04-08 2017-10-12 郑乾锋 Procédé de détermination de touches pour l'escrime
US20170323579A1 (en) * 2016-05-06 2017-11-09 Don R. Hancock Training module
US10617929B2 (en) * 2017-06-12 2020-04-14 John F. Gomes Wireless system for use with fencing scoring machine
IT202200024468A1 (it) * 2022-11-28 2024-05-28 Giuseppe Rinaldi Sistema per allenamento in discipline schermistiche, basato su concetti di psicocinetica, con modalità avanzata di validazione delle stoccate mediante mezzi elettronici

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US3529822A (en) * 1968-07-17 1970-09-22 Leonard R Rubin Electrical apparatus for scoring fencing matches
US3920242A (en) * 1974-03-25 1975-11-18 William E Reith Electrical fencing scoring method and apparatus
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US6575837B1 (en) * 2001-06-26 2003-06-10 Timothy J. Weske Fencing scoring apparatus and system

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070191116A1 (en) * 2003-12-09 2007-08-16 Gardiner Adrian B Game
US20080084281A1 (en) * 2006-10-06 2008-04-10 Chun-Ming Huang Wireless scoring machine for epee and foil fencing
GB2458437A (en) * 2007-12-19 2009-09-23 John Rohde Fencing priority indication
GB2458437B (en) * 2007-12-19 2012-05-02 John Rohde Fencing priority indication
WO2010084220A1 (fr) * 2009-01-23 2010-07-29 Universitat Politècnica De Catalunya Détecteur de touches pour systèmes de marquage sans fil à utiliser en escrime
ES2345475A1 (es) * 2009-01-23 2010-09-23 Universitat Politecnica De Catalunya Detector de tocados para sistemas de marcado inalambricos en esgrima.
KR101165423B1 (ko) 2009-02-13 2012-07-12 (주)아이크로스테크놀로지 무선등록을 위한 전자호구와 전자호구 운용시스템 및 이를 이용한 전자호구 무선등록방법
US8348770B2 (en) 2010-07-07 2013-01-08 Jeffrey Shawn Hart Scoring machine
US20120028721A1 (en) * 2010-07-29 2012-02-02 Johnson Wayne E Method for Tactile Signaling of Touches in the Sport of Fencing
US8876613B2 (en) * 2011-11-22 2014-11-04 Gheorghe Florea Wireless scoring system for competitive swordplay game with nonmetallic swords
US20130281217A1 (en) * 2011-11-22 2013-10-24 Gheorghe Florea Wireless scoring system for competitive swordplay game with nonmetallic swords
US20150148114A1 (en) * 2013-11-22 2015-05-28 Morehouse USA Creative, LLC Contact sensing device and system
US9358443B2 (en) * 2013-11-22 2016-06-07 Morehouse Use Creative, Llc Contact sensing device and system
US10179269B2 (en) * 2014-05-13 2019-01-15 Kapan CHU Armed combat interactive system based on high frequency wireless scoring
KR20170008220A (ko) * 2014-05-13 2017-01-23 카판 추 고주파 무선 스코어링에 기반하는 암드 파이팅 인터랙티브 시스템
US20170080314A1 (en) * 2014-05-13 2017-03-23 Kapan CHU Armed combat interactive system based on high frequency wireless scoring
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US10518154B2 (en) 2015-02-06 2019-12-31 Radical Fencing, LLC Portable resilient floating fencing floor system
US20160310819A1 (en) * 2015-04-23 2016-10-27 Elwha Llc Systems and methods for determining penalties
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IT202200024468A1 (it) * 2022-11-28 2024-05-28 Giuseppe Rinaldi Sistema per allenamento in discipline schermistiche, basato su concetti di psicocinetica, con modalità avanzata di validazione delle stoccate mediante mezzi elettronici

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EP1814639A4 (fr) 2008-07-16
WO2006052544A2 (fr) 2006-05-18
EP1814639A2 (fr) 2007-08-08
WO2006052544A3 (fr) 2006-11-16

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