EP3037140B1 - System, ausrüstung und uniform für die disziplin des fechtens mit fortgeschrittenen funktionen in treffererkennung und punkteermittlung - Google Patents

System, ausrüstung und uniform für die disziplin des fechtens mit fortgeschrittenen funktionen in treffererkennung und punkteermittlung Download PDF

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Publication number
EP3037140B1
EP3037140B1 EP15200846.2A EP15200846A EP3037140B1 EP 3037140 B1 EP3037140 B1 EP 3037140B1 EP 15200846 A EP15200846 A EP 15200846A EP 3037140 B1 EP3037140 B1 EP 3037140B1
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Prior art keywords
fencing
equipment
uniform
hit
items
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English (en)
French (fr)
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EP3037140A1 (de
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Stefano Antonio Sacchi
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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
    • 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
    • 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
    • A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
    • A63B71/0669—Score-keepers or score display devices
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/80—Special sensors, transducers or devices therefor
    • A63B2220/801—Contact switches
    • 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 present description relates to the technical field of the electronic functionalities of a fencing equipment, aimed at automatically detecting hits, in particular thrusts and cuts.
  • the present description relates to fencing weapons, equipment, uniforms, kits and systems provided with electronic hit/touch detection functions and respective methods in which they are used for sport- or even game-type applications.
  • Fencing weapons and hit detection systems provided with electronic functions for detecting hits and determining scores in fencing competitions are well known.
  • the fencing weapon to which reference is made is, for example, foil, epee and sabre, corresponding to the most widespread fencing disciplines. It is well known that each discipline has its own rules with regards to valid hits or touches (thrusts and cuts) and to the zone of the opponent's body valid for the hit and to the strength with which the hit must be landed.
  • the known systems dedicated to the various disciplines mentioned above, by means of electrical/electronic functions, can detect the hits, discriminate whether they are valid or not and, when hits from both contenders are detected, establish a "priority", i.e., the order in time at which they occurred.
  • the aspect of determining priority is apparently essential to allow a correct determination of the score of a fencing competition and is an indispensable requirement for the electrical/electronic detection system to be used and possibly approved by international fencing sport authorities.
  • the fencing weapon and the respective equipment are connected by means of wires to a detection station capable of providing a common ground to the weapons/equipment of the two fencers.
  • test systems - entirely wireless - have been tested, but have been found to be not sufficiently accurate in defining the hit/touch priority, to the extent of leading to errors in determining the score and with an error probability which could be not acceptable or appropriate for use in official competitions.
  • the International Patent Application WO 2006/097098 describes an electronic hit registering system for fencing, based on the principle of capacitive-bridge circuit.
  • the European Patent Application EP 1134006 A1 describes a device for hit detection and signalling in fencing, which can be used only in case of fencers having uniforms completely electrically conductive.
  • the International Patent Application WO 2010/084220 A1 describes a further system for hit detection in fencing.
  • the Japanese Patent Application JP H07 51424 A describes a device for deciding hit assignation in fencing, the device being usable exclusively in combination with metallic fencer uniforms, to which a certain prescribed electrical voltage is applied during the match.
  • a fencing system employing the aforesaid equipment, is defined in claim 3.
  • a fencer uniform, suitable to be used in conjunction with said equipment, is defined in claim 6.
  • a method for determining a score of a fencing competition, according to the present invention, is defined in claim 13.
  • a weapon for a fencing discipline 1, usable for sports or games is described, the weapon being suitable to be connected to a detection apparatus 2 provided with at least a first apparatus terminal 21 and a second apparatus terminal 22.
  • the fencing weapon 1 comprises a percussion element 11, having a percussion portion 12 suitable to deliver a hit on a target X, and an electrical device 10, incorporated in the weapon 1.
  • the aforesaid electrical device 10 comprises a reference terminal Tr, adapted to be connected to the first apparatus terminal 21 to receive a reference electrical potential Vr, and a measuring terminal Tm, adapted to be connected to the second apparatus terminal 22 to supply an electrical measuring potential Vm.
  • the electrical device 10 further comprises a first contact terminal Tc1 and a second contact terminal Tc2, arranged so as to come simultaneously into contact with the target X when the aforesaid percussion portion 12 hits the target X.
  • the electrical device 10 is configured to take a signalling condition, when it is connected to the detection apparatus 2 and upon a hit of the percussion portion 12 on the target X; in the signalling condition, the reference terminal Tr is kept at the electrical reference potential Vr and is further electrically connected to the first contact terminal Tc1; the first and the second contact terminals (Tc1, Tc2) are adapted to be electrically connected by means of a target portion X comprised there between so as to apply to such a target portion a detection voltage ⁇ V depending on the electrical reference potential Vr; and furthermore either the first or the second electrical contact (Tc1, Tc2) is electrically connected to the measuring terminal Tm so that the electrical measuring potential Vm takes a signalling value S, depending on the electrical reference potential Vr and the detection voltage ⁇ V.
  • the fencing weapon 1 is further configured to take a resting position, when it is connected to the detection apparatus 2 and when it is not in the signalling condition; in the resting position, the first and the second contact terminals (Tc1, Tc2) are not electrically connected to each other through the target X and the electrical measuring potential Vm takes a resting value N distinguishable from the signalling value S.
  • the resting value N of the electrical measuring potential Vm is representative of the resting condition of the electrical device 10 and the signalling value S of the electrical measuring potential Vm is representative of the signalling condition and is further indicative of at least one electrical property of the target X.
  • the fencing weapon 1 may be any one piece of fencing gear/weapon used in the known fencing disciplines, in particular a foil or an epee or a sabre or a kendo "shinai”.
  • the fencing weapon is a foil 1.
  • the percussion element 11 is a foil blade 11 and the percussion portion 12 is the blade tip 12, adapted to deliver a thrust as a hit (i.e., to touch with a thrust, according to the terminology used with reference to foil).
  • the signalling condition corresponds to a situation in which the percussion portion 12 hits a target X and exerts against it a force higher than a predetermined threshold.
  • the electrical device further comprises a first conductive element 13, configured to electrically connect the reference terminal Tr to the first contact terminal Tc1 in permanent manner; a second conductive element 14, configured to electrically connect the measuring terminal Vm to the second contact terminal Tc2 in permanent manner; a switch element 15, configured to connect the first 13 and the second conductive element 14, when the device 1 is in resting condition, and to disconnect the first 13 and the second conductive element 14, when the device 1 is in signalling condition.
  • the first conductive element 13 comprises a wire 13 arranged within the blade of the foil and the second conductive element 14 comprises the blade 11 of the foil 1.
  • the foil 1 further comprises a thrust detection element 16, in which the first and the second contact terminals (Tc1, Tc2) are arranged; the thrust detection element 16 is arranged at the tip 12 of the blade of the foil.
  • Such a detection element 16 is slidingly connected to the percussion element 11 of the foil 1 so as to take either a resting position or a signalling position relative to the electrical device 10. In the resting position, corresponding to the resting condition of the electrical device 10, the detection element 16 keeps the switch element 15 closed to connect the first 13 and the second conductive element 14. In the signalling position, corresponding to the signalling condition of the electrical device 10, the detection element 16 keeps the switch element 15 open, to disconnect the first 13 and the second conductive element 14.
  • the fencing weapon is an epee 1.
  • the percussion element 11 is a blade 11 of the epee 1 and the percussion portion 12 is the tip of the blade, adapted to deliver a thrust as a hit (i.e., to touch with a thrust, according to the terminology used with reference to epee).
  • the signalling condition corresponds to a situation in which the percussion portion 12 hits a target X and exerts against it a force higher than a predetermined threshold.
  • the electrical device 10 further comprises: a switch element 17, connected to the reference terminal Tr by means of a conductive element 13, and configured to connect the reference terminal Tr to the first contact terminal Tc1, when the electrical device 10 takes the signalling condition, and to disconnect the reference terminal Tr from the first contact terminal Tc1, when the electrical device 10 takes the resting condition; and finally a ground terminal Tg, suitable to be connected to a third apparatus terminal 23 connected to ground.
  • the electrical device 10 is configured so that the first contact terminal Tc1 is electrically connected in permanent manner to the measuring terminal Tm, by means of a second conductive element 14, and the second contact terminal Tc2 is electrically connected in permanent manner to the ground terminal Tg, by means of a third conductive element 18.
  • the first conductive element 13 comprises a first wire 13 arranged within the blade
  • the second conductive element 14 comprises a second wire arranged within the blade
  • the third conductive element 18 comprises the blade of the etige 11.
  • the edozense 1 further comprises a thrust detection element 16, in which the first and the second contact terminals (Tc1, Tc2) are arranged; the thrust detection element 16 is arranged at the tip of the blade of the epee.
  • the detection element 16 is slidingly connected to the percussion element 11 of the epee, so as to take either a resting position or a signalling position relative to the electrical device. In the resting position, corresponding to the resting position of the electrical device, the detection element 16 keeps the switch element 17 open to disconnect the reference terminal Tr and the first contact terminal Tc1 from each other. In the signalling position, corresponding to the signalling condition of the electrical device 10, the detection element 16 keeps the switch element 17 closed to connect the reference terminal Tr and the first contact terminal Tc1 to each other.
  • the thrust detection element 16 may comprise a button, arranged at the tip of the blade, and substantially shaped as a cylinder or truncated cone; such a button is adapted to hit the target by means of a substantially planar contact surface thereof corresponding to a base of said cylinder and/or truncated cone.
  • the first and the second contact terminals comprise respective portions of the button, mutually insulated and facing the contact surface, so that both contact terminals touch the target simultaneously when the contact surface hits the target.
  • the foil or the ezzae further comprises a spring-piston element 19, mechanically connected to the detection element 16.
  • the spring-piston element 19 is configured to keep the detection element 16 in the resting position, with respect to the percussion element 11, while the detection element 16 is not in contact with the target X or is in contact with the target X but is subjected to a force lower than the predetermined threshold, and to allow instead a movement of the detection element 16, with respect to the percussion element 11, up to the signalling position, when the detection element 16 is in contact with the target X and is subjected, because of the contact, to a force higher than the predetermined threshold.
  • the fencing weapon 1 is a sabre 1.
  • the percussion element 11 is a blade 11 of the sabre and the percussion portion 12 is the blade itself adapted to deliver a cut as a hit (i.e., to touch with a cut, according to the terminology used with reference to sabre).
  • the signalling condition corresponds to a situation in which the percussion portion 12 touches a target, regardless of the force exerted against it.
  • the first contact terminal Tc1 comprises a threadlike conductive element Tc1, electrically insulated with respect to the blade 11 of the sabre 1, and arranged on the blade 11 in a substantially coiled (i.e., spiral-like) configuration.
  • the second contact terminal Tc2 comprises the blade of the sabre; the first contact terminal Tc1 is electrically connected in permanent manner to the reference terminal Tr, by means of a further conductive element, and the second contact terminal Tc2 is electrically connected in permanent manner to the measuring terminal Tm.
  • the aforesaid further conductive element comprises a further wire arranged within the blade of the sabre.
  • the percussion element is metallic because it consists of the blade of the foil, or of the epee, or of the sabre.
  • the fencing weapon is a kendo "shinai”.
  • the percussion element 11 is a stick (e.g., made of wood) comprised in the "shinai" and the percussion portion 12 is the stick itself, adapted to deliver a cut as a hit.
  • the detection element 16 comprises a portion of the surface of the stick.
  • the signalling condition corresponds to a situation in which the percussion portion 12 touches a target X, regardless of the force exerted against it.
  • the first contact terminal Tc1 comprises a first threadlike conductive element, arranged on the stick in substantially coiled configuration;
  • the second contact terminal Tc2 comprises a second threadlike conductive element, arranged on the stick so as to be electrically insulated, in resting condition, relative to the first contact terminal Tc1.
  • the first contact terminal Tc1 is electrically connected in permanent manner to the reference terminal Tr and the second contact terminal Tc2 is electrically connected in permanent manner to the measuring terminal Tm.
  • the embodiment may be adapted also to applications other than those of sports and competitions, such as for example games, on the basis of the same previously illustrated inventive concept.
  • the weapon is a gear for games or toys.
  • the percussion element 11 is a percussion element made of plastic or wood or other synthetic material.
  • the signalling condition corresponds to a situation in which the percussion portion 12 touches a target X.
  • the first contact terminal Tc1 comprises a first conductive element arranged on the percussion element 11;
  • the second contact terminal Tc2 comprises a second conductive element arranged on the percussion element 11 so as to be electrically insulated, in resting condition, with respect to the first contact terminal Tc1.
  • first contact terminal Tc1 is electrically connected in permanent manner to the reference terminal Tr and the second contact terminal Tc2 is electrically connected in permanent manner to the measuring terminal Tm.
  • Such fencing equipment 100 comprises a weapon for a fencing discipline 1, adapted to deliver a hit on a target X, and a detection apparatus 2, electrically connected to each other.
  • the weapon 1 and the detection apparatus 2 comprise components and electrical connections configured to form, in the fencing equipment 100, an autonomous electric detection circuit having an autonomous ground.
  • Such an electrical detection circuit is configured to take a resting condition, or, when the fencing weapon 1 delivers a hit on the target X, a signalling condition.
  • the aforesaid electric detection circuit is further configured to generate an electric signal Vm, which is representative of the resting or signalling condition and, in the signalling condition, is indicative of at least one electric property of the target X.
  • the fencing equipment 100 comprises a fencing weapon 1, according to any one of the forms and embodiments described above. It is worth noting that, according to other embodiments comprised in the invention, the electrical detection circuit of the fencing equipment may be made by electrical connections which may be different from those of the fencing weapon 1, provided they can define a configurable circuit with autonomous ground, as illustrated above.
  • the electrical detection apparatus 2 comprises at least a first (21) and a second apparatus terminal (22), connectable to a reference terminal Tr and to a measuring terminal Tm of the fencing weapon 1, respectively, and further comprises power supply means 25, control means 26 and transmission means 27.
  • the power supplying means 25 are operatively connected to the fencing weapon 1 to supply power by means of the first apparatus terminal 21.
  • the control means 26 are operatively connected to the fencing weapon 1 to receive, through the second apparatus terminal 22, an electrical signal Vm according to the electrical measuring potential present at the measuring terminal Tm of the fencing weapon 1.
  • the control means 26 are configured to process such an electrical signal Vm to recognize whether a hit was delivered (i.e., landed) and in the affirmative case to discriminate whether the hit was delivered on a target X of insulating material or of resistive material or of conductive material.
  • the control means 2 are further configured to associate a time information T to each recognized hit and to generate, based on the processing of the electrical signal processing Vm, an information message M representative of the type C of the hit being recognized and of the time information T associated thereto.
  • the transmission means 27 are operatively connected to the control means 26 and are configured to transmit the aforesaid information message M.
  • the electric signal Vm coincides with the measuring potential present at the measuring terminal Tm.
  • the electric signal Vm depends on such an electrical measuring potential, but does not coincide therewith (e.g., it may also take into account the reference potential at the reference terminal Tr).
  • the first apparatus terminal 21 is connected to a power supply voltage Vcc through a first resistor R1 having a zero or positive resistance R1 and the second apparatus terminal 22 is connected to ground through a second resistor R2 having a positive resistance R2, so as to determine the operation described hereto.
  • the measuring potential Vm takes a resting value N equal to a maximum value, depending on the ratio between the second resistance R2 and the sum of the first R1 and the second resistance R2, according to a voltage splitter configuration with resistors in series.
  • the measuring potential Vm takes a value substantially coinciding with the aforesaid resting value N.
  • the measuring potential Vm takes a minimum value, which is substantially zero.
  • the measuring potential Vm takes an intermediate value between aforesaid maximum and minimum values, depending on the ratio between the second resistance R2 and the sum of the first resistance R1, second resistance R2 and target resistance Rb, according to a voltage splitter configuration with resistors in series.
  • the fencing equipment 100 further comprises a third apparatus terminal 23.
  • the first apparatus terminal 21 is connected to a power supply voltage Vcc through a first resistor R1 having a zero or positive resistance R1
  • the second apparatus terminal 22 is connected to ground through a second resistor R2 having a positive resistance R2, so as to determine the operation described below.
  • the measuring potential Vm takes a resting value N equal to a substantially zero minimum value.
  • the measuring potential Vm takes a value equal to said substantially zero, minimum value.
  • the measuring potential Vm takes a maximum value, depending on the ratio between the second resistance R2 and the sum of the first R1 and the second resistance R2, according to a voltage splitter configuration with resistors in series.
  • the measuring potential Vm takes an intermediate value between aforesaid maximum and minimum values, i.e., a value equal to the detection voltage ⁇ V, which depends on the ratio between the parallel of the target resistance Rb and of the second resistance R2 and the sum of the parallel and of the first resistance R1.
  • the first apparatus terminal 21 is directly connected to a power supply voltage Vcc, and the second apparatus terminal is connected to ground through a second resistor R2 having a positive resistance R2, so as to determine the operation described below.
  • the measuring potential Vm takes a resting value N equal to a substantially zero minimum value.
  • the measuring potential Vm takes a maximum value substantially equal to said power supply value Vcc.
  • the measuring potential Vm takes a value equal to said substantially zero minimum value.
  • the measuring potential Vm takes an intermediate value between aforesaid maximum and minimum values, depending on the ratio between the second resistance R2 and the sum of the second resistance R2 and of the target resistance Rb, according to a voltage splitter configuration with resistors in series.
  • the transmission means 27 are transmission means 27 of the wireless type.
  • the wireless transmission means 27 are transmitters based on Bluetooth technology, or HIPERLAN technology, or IEEE 802.11 standard compliant Wi-Fi technology, or IEEE 802.15 standard compliant technology.
  • the wireless transmission means 27 are configured to transmit on the ISM bandwidth between 2.4 and 2.5 GHz.
  • the transmission means 27 are transceiver means 27, configured to transmit and to receive signals, and the control means 26 are further configured to operate according to a synchronization procedure, driven by a central control station 200 put in wireless communication with the control means 26 by means of such transceiver means 27.
  • control means 26 are configured to sample the received electric signal Vm, of the analog type, and to process the signal samples through one or more algorithms, in order to determine the type of hit corresponding to the received signal.
  • control means 26 may be configured to sample the analog signal Vm with frequencies in the order of kHz for periods in the order of tens of milliseconds; furthermore, they are configured to extract from the sampled signal information concerning with amplitude and/or duration and/or frequency and/or spectrum content of the electrical signal Vm.
  • the aforesaid algorithms are configured to process information related to the amplitude and/or the duration and/or the frequency and/or the spectrum content to determine the hit type.
  • the detection apparatus 2 is integrated in a housing which can be worn by a fencer.
  • a fencer uniform is now described, which can be used jointly (and in a synergistic way) with the fencing equipment described above.
  • Such a uniform is characterized in that it comprises at least one uniform element having known and predetermined electrical properties of resistive type.
  • one or more uniform elements with resistive electrical properties can be profitably used to cover those parts of the body which are valid targets according to the rules of the considered fencing discipline.
  • invalid targets can be characterized by electrical properties of excellent conductor (e.g., the platform) or excellent insulator (e.g. "traditional" uniform parts made of insulating material, here used to cover parts of the body which are invalid targets).
  • excellent conductor e.g., the platform
  • excellent insulator e.g. "traditional" uniform parts made of insulating material, here used to cover parts of the body which are invalid targets.
  • the uniform is provided for a sabre or kendo fencer, and comprises a mask provided with a structure made of resistive material and a mesh (i.e., grid) for the visor.
  • the visor mesh is coated with a compound containing graphite powder and epoxy resin so as to also have resistive properties without damaging the wearability features of the mask.
  • the uniform further comprises a jacket, made of resistive material, for the bust and those body parts corresponding to valid targets in the sabre or kendo; and finally further uniform elements, adapted to cover other body parts, corresponding to invalid targets in saber or kendo, made of insulating material.
  • the uniform is provided for a foil fencer, and comprises a jacket, made of resistive material, for the bust and for body parts corresponding to valid targets in foil, and further uniform elements made of insulating material, adapted to cover other body parts corresponding to targets which are invalid in foil.
  • the uniform is provided for an edozense fencer and comprises uniform elements made of resistive or insulating material.
  • an implementation option provides that portions of such resistive material, having dimensions comparable to those of the hit-detection element of the fencing weapon, have a resistance with a value comprised between 100 ⁇ and 1 M ⁇ .
  • such a resistance has a value comprised between 1 K ⁇ and several tens of K ⁇ .
  • the present description comprises a fencing kit for a fencer, comprising a fencing equipment 100, according to any one of the previously illustrated embodiments, and a fencer uniform in accordance with the corresponding embodiment.
  • a fencing system 1000 will now be described with reference to figure 9 .
  • Such a fencing system comprises two items of fencing equipment 100, each in accordance with any one of the previously illustrated embodiments and each associated to a respective fencer.
  • the system 1000 further comprises a central control station 200, operatively connected to each of the items of fencing equipment 100 to receive from them respective information messages M, representative of type C and of the timing T of the hits being detected; the central control station 200 is configured to decide a match score based on such information messages M.
  • the central control station 200 is configured to connect to each of the items of fencing equipment 100 in wireless manner.
  • the central control station 200 is configured to generate a time reference Rt and to send such a time reference Rt to each of the two items of fencing equipment 100.
  • Each of two items of fencing equipment 100 comprises a high-precision local clock 28, and the two items of fencing equipment 100 are configured to synchronize the respective high-precision local clocks 28 based on the time reference Rt received.
  • the central control station 200 comprises a central clock.
  • the local clock 28 of each of the two items of fencer equipment 100 once synchronized, is configured to generate a time-stamp TS, upon the processing of the electrical signal Vm coming from the fencing weapon, as a time information T associated with a respective hit.
  • Such a method comprises the steps of providing a fencing weapon 1, having a reference terminal Tr, a measuring terminal Tm and at least two contact terminals (Tc1, Tc2), suitable to be connected to each other in configurable manner, depending on whether the fencing weapon 1 touches a target X or not; then, connecting such a fencing weapon 1, through the reference terminal Tr and the measuring terminal Tm, to a detection apparatus 2, having electrical connections towards a power supply voltage Vcc and a ground, so as to form an electrical detection circuit, passing through the fencing weapon 1 and the detection apparatus 2, and adapted to take a signalling condition or a resting condition, depending whether the fencing weapon 1 delivers a hit on a target X or not.
  • the method then comprises applying a detection voltage ⁇ V to a target portion X, through the at least two contact terminals (Tc1, Tc2) - by means of said electrical detecting circuit when it takes the signalling condition; then the method provides detecting an electrical measurement potential Vm, present in the electrical detecting circuit at the measuring terminal Tm and depending on the detection voltage ⁇ V, in order to determine whether a hit was delivered or not, and in the affirmative case to discriminate on which type of target X the hit was delivered.
  • the aforesaid method employs a fencing weapon 1 according to any one of the embodiments described above.
  • the aforesaid method employs a fencing equipment 100 according to any one of the embodiments described above.
  • a method for determining a score in a fencing competition is described below, which provides a step of detecting the hits delivered by each of the two competing fencers by means of fencing equipment 100 according to any one of the embodiments described above. It is worth noting that, according to an implementation option, such detecting step can be performed according to the previously described detection method.
  • the method then includes the steps of associating with each hit being detected an information message M, representative of the type C and of the timing T of the hit being detected by an item of fencing equipment 100, provided to each fencer, comprising the fencing weapon 1 and the detection apparatus 2; then, transmitting such information message M, by each item of fencing equipment 100 of each of the two fencers, to a central control station 200; finally, processing the received information messages M by the central control system 200, in order to determine type and priority of the hits.
  • the step of transmitting is performed by means of wireless means.
  • the fencing equipment 100 and the central control station 200 are configured to operate also in absence of a common ground.
  • the method comprises a further initial step of synchronization, which comprises the steps of providing a common time reference Rt, e.g., from the central control station 200, to each of the items of fencing equipment 100 of the two fencers; then, synchronizing, by each of the two items of fencing equipment 100, a respective high-precision local clock 28, based on such time reference Rt.
  • a common time reference Rt e.g., from the central control station 200
  • the method comprises the further steps of determining a detection instant for each detected hit on the basis of a time measurement of the synchronized local clock 28; and generating the hit time information T on the basis of the determined detection instant.
  • the method and the system described above can be used to distinguish numerous targets, e.g. during a step of training, by using different resistive coatings.
  • a plurality of targets e.g., 10
  • the described fencing equipment comprising a respective fencing weapon, can determine a hit on the basis of a circuit which does not require a common ground with the opponent's fencing equipment. Inter alia , this provides a basis to allow a wireless transmission of the signals representative of the hit type to a central detection station.
  • the detection system comprising the central station and the two items of fencing equipment allows to establish the priority of the detected hits, by virtue of the equipment features and system synchronization functions. This applies also when the communication between the central station and the equipment is wireless, which allows to make detection systems that are entirely wireless and to identify the hits with levels of accuracy compatible with those required for practical use.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Claims (15)

  1. Für Sportarten oder Spiele verwendbare Fechtausrüstung (100), umfassend eine Fechtwaffe (1), welche dazu geeignet ist, einen Schlag auf ein Ziel (X) abzugeben, und eine Erfassungsvorrichtung (2),
    wobei die Waffe (1) und die Erfassungsvorrichtung (2) elektrisch miteinander verbunden sind und elektrische Komponenten umfassen, welche dazu eingerichtet sind, in der Fechtausrüstung (100) einen autonomen elektrischen Erfassungsschaltkreis mit einer autonomen Erde zu bilden,
    wobei der elektrische Erfassungsschaltkreis dazu eingerichtet ist, einen Ruhezustand oder, wenn die Fechtwaffe (1) einen Schlag auf das Ziel (X) abgibt, einen Signalzustand einzunehmen, und ferner dazu eingerichtet ist, ein elektrisches Signal (Vm) zu erzeugen, welches für entweder den Ruhe- oder den Signalzustand repräsentativ ist, und welches in dem Signalzustand wenigstens eine elektrische Eigenschaft des Ziels (X) anzeigt sowie die Tatsache anzeigt, dass das Ziel (X) aus einem isolierenden Material oder einem mit Widerstand behafteten Material oder einem leitfähigen Material hergestellt ist.
  2. Ausrüstung (100) nach Anspruch 1, ferner umfassend:
    - Steuerungsmittel (26), welche betriebsmäßig mit dem Erfassungsschaltkreis verbunden sind, um das elektrische Signal (Vm) zu empfangen, und dazu eingerichtet sind, das elektrische Signal (Vm) zu verarbeiten, um zu erkennen, ob ein Schlag abgegeben wurde, und in dem bejahenden Fall, um zu unterscheiden, ob der Schlag auf ein Ziel (X) aus einem isolierenden Material oder einem mit Widerstand behafteten Material oder einem leitfähigen Material abgegeben worden ist,
    wobei die Steuerungsmittel (26) ferner dazu eingerichtet sind, eine Zeitinformation (T) mit jedem erkannten Schlag zu assoziieren und auf der Grundlage der Verarbeitung des elektrischen Signals (Vm) eine Informationsnachricht (M) zu erzeugen, welche für den Schlagtyp (C), welcher erkannt wird, und der damit assoziierten Zeitinformation (T) repräsentativ ist;
    - Übertragungsmittel (27), welche betriebsmäßig mit den Steuerungsmitteln (26) verbunden sind und dazu eingerichtet sind, die Informationsnachricht (M) zu übertragen.
  3. Fechtsystem (1000), umfassend:
    - zwei Einheiten von Fechtausrüstung (100), jeweils nach Anspruch 2, wovon jede mit einem entsprechenden Fechter assoziiert ist;
    - eine zentrale Steuerungsstation (200), welche betriebsmäßig mit jeder der Einheiten von Fechtausrüstung (100) verbunden ist, um von diesen entsprechende Informationsnachrichten (M) zu empfangen, welche für den Typ (C) und die Zeit (T) der Schläge, welche erfasst werden, repräsentativ sind, wobei die zentrale Steuerungsstation (200) dazu eingerichtet ist, auf der Grundlage der Informationsnachrichten (M) einen Spielstand festzustellen.
  4. Fechtsystem (1000) nach Anspruch 3, wobei die Übertragungsmittel (27) der Einheiten von Fechtausrüstung (100) drahtlose Übertragungsmittel (27) sind, und wobei die zentrale Steuerungsstation (200) mit jeder der Einheiten von Fechtausrüstung (100) in einer drahtlosen Weise verbunden ist.
  5. Fechtsystem nach Anspruch 4, wobei die zentrale Steuerungsstation (200) dazu eingerichtet ist, eine Zeitreferenz (Rt) zu erzeugen und die Zeitreferenz (Rt) zu jeder der zwei Einheiten von Fechtausrüstung (100) zu senden, wobei jede der zwei Einheiten von Fechtausrüstung (100) eine hochpräzise lokale Uhr (28) umfasst, und wobei die zwei Einheiten von Fechtausrüstung (100) dazu eingerichtet sind, die entsprechenden hochpräzisen lokalen Uhren (28) auf der Grundlage der empfangenen Zeitreferenz (Rt) zu synchronisieren,
    und wobei die lokale Uhr (28) jeder der zwei Einheiten von Fechtausrüstung (100), sobald diese synchronisiert worden ist, dazu eingerichtet ist, bei der Verarbeitung des von der Fechtwaffe kommenden elektrischen Signals (Vm) einen Zeitstempel (TS) als eine mit einem entsprechenden Schlag assoziierte Zeitinformation (T) zu erzeugen.
  6. Fechtuniform in Kombination mit der Fechtausrüstung nach Anspruch 1 oder 2, wobei die Uniform wenigstens ein Uniformelement mit bekannten und vordefinierten elektrischen Eigenschaften eines mit Widerstand behafteten Typs umfasst.
  7. Uniform nach Anspruch 6, wobei die Uniform für einen Säbel- oder Kendo-Fechter bereitgestellt ist und eine Maske umfasst, welche mit einer aus einem mit Widerstand behafteten Material hergestellten Struktur und einem Netz für das Visier bereitgestellt ist, wobei das Visiernetz mit einer Verbindung beschichtet ist, welche Graphitpulver oder Epoxidharz/-kunststoff umfasst.
  8. Uniform nach einem der Ansprüche 6 oder 7, welche für einen Säbel- oder Kendo-Fechter bereitgestellt ist, wobei die Uniform umfasst:
    - eine Jacke für die Brust und diejenigen Körperteile, welche gültigen Zielen in den Säbel- oder Kendo-Disziplinen entsprechen, wobei die Jacke aus einem mit Widerstand behafteten Material hergestellt ist;
    - weitere Uniformelemente, welche dazu geeignet sind, andere Körperteile abzudecken, welche ungültigen Zielen in der Säbel-Disziplin entsprechen, und aus einem isolierenden Material hergestellt sind.
  9. Uniform nach Anspruch 6, wobei die Uniform für einen Florett-Fechter bereitgestellt ist und umfasst:
    - eine Jacke für die Brust und diejenigen Körperteile, welche gültigen Zielen in der Florett-Disziplin entsprechen, wobei die Jacke aus einem mit Widerstand behafteten Material hergestellt ist;
    - weitere Uniformelemente, welche dazu geeignet sind, andere Körperteile abzudecken, welche ungültigen Zielen in der Florett-Disziplin entsprechen, und aus einem isolierenden Material hergestellt sind.
  10. Uniform nach Anspruch 6, wobei die Uniform für einen Degen-Fechter bereitgestellt ist und Uniformelemente umfasst, welche aus mit Widerstand behafteten oder isolierenden Material hergestellt sind.
  11. Uniform nach einem der Ansprüche 6 bis 10, wobei Abschnitte des mit Widerstand behafteten Materials, welche eine mit der Größe des Schlagerfassungselements der Fechtwaffe vergleichbare Größe aufweisen, einen Wiederstand mit einem Wert in dem Bereich zwischen 100 Ω und 1 MΩ aufweisen.
  12. Uniform nach Anspruch 11, wobei Abschnitte des mit Widerstand behafteten Materials, welche eine mit der Größe des Schlagerfassungselements der Fechtwaffe vergleichbare Größe aufweisen, einen Wiederstand mit einem Wert in dem Bereich zwischen 1 KΩ und mehreren zehn-KΩ aufweisen.
  13. Verfahren zum Bestimmen eines Stands in einem Fechtwettkampf, umfassend die Schritte:
    - Erfassen der Schläge, welche durch jeden von zwei konkurrierenden Fechtern abgegeben werden, mittels einer Fechtausrüstung (100) nach Anspruch 1 oder 2;
    - Assoziieren jedes Schlags, welcher erfasst wird, mit einer Informationsnachricht (M), welche für den Typ (C) und die Zeit (T) des Schlags repräsentativ ist, welcher durch jede der Einheiten von Fechtausrüstung (100), welche jedem Fechter bereitgestellt wird, erfasst wird;
    - Übertragen der Informationsnachricht (M) durch jede Einheit von Fechtausrüstung (100) von jedem der zwei Fechter zu einer zentralen Steuerungsstation (200);
    - Verarbeiten der empfangenen Informationsnachrichten (M) durch die zentrale Steuerungsstation (200), um den Typ und die Priorität der Schläge zu bestimmen.
  14. Verfahren nach Anspruch 13, wobei der Schritt eines Übertragens mittels drahtloser Mittel ausgeführt wird.
  15. Verfahren nach einem der Ansprüche 13 oder 14, umfassend einen weiteren initialen Synchronisationsschritt, wobei der Synchronisationsschritt umfasst:
    - Bereitstellen einer gemeinsamen Zeitreferenz (Rt) zu jeder der Einheiten von Fechtausrüstung (100) der zwei Fechter durch die zentrale Steuerungsstation (200);
    - Synchronisieren einer entsprechenden hochpräzisen lokalen Uhr (28) auf der Grundlage der Zeitreferenz (Rt) durch jede der zwei Einheiten von Fechtausrüstung (100).
EP15200846.2A 2014-12-22 2015-12-17 System, ausrüstung und uniform für die disziplin des fechtens mit fortgeschrittenen funktionen in treffererkennung und punkteermittlung Active EP3037140B1 (de)

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ES2676671B2 (es) * 2017-01-23 2018-11-16 Universitat Politécnica de Catalunya Detector universal de tocados inalámbrico para esgrima
CN114712819A (zh) * 2021-01-06 2022-07-08 武汉康亿顺体育有限公司 一种适用于冷兵器搏击运动中识别击中的方法

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JP2535306B2 (ja) * 1993-08-17 1996-09-18 中央電子システム株式会社 打撃型格闘技用の有効打判定器
FR2806314B1 (fr) * 2000-03-17 2002-06-14 Masters Internat Comp Dispositif de detection et de signalisation de touches en escrime
DE102005012932A1 (de) * 2005-03-15 2006-09-28 Ingenieurbüro Electronic GmbH Elektronisches Treffermeldesystem für den Fechtsport
ES2345475B1 (es) * 2009-01-23 2011-07-13 Universitat Politècnica De Catalunya Detector de tocados para sistemas de marcado inalambricos en esgrima.
US8876613B2 (en) * 2011-11-22 2014-11-04 Gheorghe Florea Wireless scoring system for competitive swordplay game with nonmetallic swords

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