US20120028721A1 - Method for Tactile Signaling of Touches in the Sport of Fencing - Google Patents
Method for Tactile Signaling of Touches in the Sport of Fencing Download PDFInfo
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- US20120028721A1 US20120028721A1 US12/845,963 US84596310A US2012028721A1 US 20120028721 A1 US20120028721 A1 US 20120028721A1 US 84596310 A US84596310 A US 84596310A US 2012028721 A1 US2012028721 A1 US 2012028721A1
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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
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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
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
- A63B2071/0655—Tactile feedback
Definitions
- the saber (a cutting and thrusting weapon) is the descendant of the cavalry saber. Its conventions determine that the target is from the horn of the saddle (from the top of the hips) up to include the arms to the wrist and the head.
- the fencers wear a jacket of the same material as the foil lame with sleeves and the mask is constructed of conductive metal and fabric bib. These are attached to the scoring machine comprising one part of the electrical circuit. Unlike a foil or epee, a saber does not have a spring-loaded tip; rather, the entire blade is electrically active, allowing for slashing as well as stabbing motions. An additional difference is that there are no invalid lights used in saber.
- the athletes involved in a match are engaged at every level humanly possible and, as such, enjoy a significant advantage over the presiding official. They can see, hear, and feel every nuance of the actions between each other. The director must rely upon his or her sight and hearing alone, both of which senses are significantly impaired for all the reasons already discussed. Sight is a complex sense in that it can be used generally, taking in a large panorama and therefore not aware of specific details, or focused to a specific area, and in so doing missing other details within the field of vision. Hearing a specific sound can be overwhelmed by other more powerful sounds or confused by similar sounds (both of which happen frequently in fencing environments).
- the offset motors 55 and 56 will result in a tactile signal, i.e. vibration.
- a sketch of the intended use of the tactile signal produced by this invention is shown in FIG. 6 .
- the offset motor may be contained within a small box or disc 57 , which may be attached by some means to the director's hand 58 .
- the structure containing the offset motor would be attached to one or more of the fingers in a manner that allowed the rest of the hand to remain free. This invention would also work as intended if the offset motor were attached to the director's wrist or arm, as long as the differentiation between right and left is maintained.
- the structure containing the offset motor might be connected to the receiver unit by means of a wire 59 , or in a wireless manner.
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Abstract
A method and apparatus are described for adding tactile signaling to the electronic scoring equipment used in the sport of fencing. The tactile signaling introduced by this invention is intended to complement, not replace, existing electronic fencing scoring systems and the signals that are already employed to indicate touches, both optical and auditory (i.e. lights and a bell or buzzer, respectively). The system here would receive indication that a touch had been scored from an existing scoring system. Signals would be transmitted wirelessly to a unit on or near the director's person. Tactile signaling would be accomplished by a pair of offset motors attached to each of the director's hands (or wrists or arms). When the fencer to the director's right scores a touch, the right motor would vibrate. When the fencer to the director's left scores a touch, the left motor would vibrate.
Description
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- The international sport of fencing has used an electronic scoring system in competition and training for over 60 years. The basic concepts of this system have not changed significantly since its creation; only the electronic components have seen significant advancements in solid state and micro-computer technology. The current system is activated by the athletes “touching” their opponent's target with their weapons, causing a visual signal (i.e. a scoring light) and auditory signal (i.e. a bell or buzzer). Electronic fencing scoring systems may either contain wires which connect the fencers directly to the system by means of a reel (for example, Reith and Overman, 1975), or be wireless, with wireless transmitters carried on each fencer's person (for example, Delcayre, 1977).
- In the entire sphere of modern sporting life, there is no other sport that uses electronic systems as an integral part of the activity the way it is used in fencing, although electronic systems are widely used in sports. Electronic timing is used in competitions based in speed, such as running or swimming events. Cameras are used to enhance and augment decision making in many sports, for example, computers are being used in tennis to determine whether balls land inbounds in challenges to linesman calls [Roke Manor Research Ltd., 2001]. However, in the sport of fencing, the electronic scoring system is essential to the action itself, as no official may award a touch to a competitor that was not first registered on the electronic scoring system. In all of the systems mentioned here, including electronic fencing scoring systems, the visual is emphasized, rather than the tactile. It is now possible and practical to introduce a tactile element to electronic scoring in fencing. This novel approach holds promise to significantly improve the experience of fencing for directors and participants at all levels.
- The introduction of the electronic scoring system, by design, revolutionized modern fencing by reducing the human judging element of the game to a single individual whose sole job is to apply the conventions of the game to the contest at hand. The materiality of each touch had previously been determined by a jury of officials, comprised of four side judges and a director, voting upon the validity of the fencers' hits. After an exchange between the fencers that might have resulted in the scoring of a touch, the director of the bout would describe the action to the jury and poll the judges as to their opinions regarding whether a touch had in fact occurred at each point in the exchange. If this polling resulted in general agreement on the touch, it was awarded as a valid hit. The introduction of the electronic scoring system to the sport of fencing reduced the number of judges to a single director, who now uses both the signals generated by the electronics and his or her knowledge of the rules of fencing to determine the validity of the touch. In a single technological leap, politics, prejudice and human error were significantly reduced and the ancient sport of fencing became part of the modern sporting scene. It is important to note that any electronic fencing scoring system can determine only two things: (1) whether a touch has in fact occurred, and (2) whether that touch was to a valid target area as defined by the rules of the particular weapon being used. A touch registered by an electronic scoring system might not be valid according to the rules of right-of-way or priority (see, for example, USFA, 2008). It is the job of the director to make the vital determination of which touches, once registered by the electronic scoring system, result in points being awarded to the fencers participating in the bout.
- Today, fencing uses three different weapons in competition. These weapons have evolved from the traditions of sword use in Western and Eastern Europe over the last five centuries. The development of the sport of fencing came directly from the use of the foil as a training device for the rapier, a weapon used in personal defense and warfare. Its use as a safe and light tool to teach students the offensive and defensive techniques of rapier combat was quickly recognized as a challenging and playful means of recreation and competition. Sword fighting, as a sport called fencing, was born. The other two weapons in use are the epee and the saber, which are the sporting versions, respectively, of the rapier itself and of the cavalry saber (although not engaged on horseback).
- Each of these weapons has its own specific set of conventions or rules, which in their own way determine the manner in which the electrical apparatus is structured and used in competition. The following is a brief description of each of the weapons, and how the electronic scoring system is used in scoring bouts with that weapon:
- The foil (a thrusting weapon) was designed to teach ideas and concepts to the student as well as techniques. Its conventions revolve around the concepts of delivering a serious wound and the logical structure of what to do when your opponent attacks you with a “pointy stick”. These manifest themselves in a specific target area (the torso) for valid hits, and in the concept of priority, or right-of-way, in which the attack must be recognized by the defending fencer and dealt with effectively by blocking the attack or distancing oneself from the attack. The target is defined by a vest (lame) made of conductive material that is grounded by connections to the scoring apparatus. A competition foil features a conductive, spring-loaded tip which, when depressed, closes a circuit to ground when in contact with part of the lame, or creates an open circuit when in contact with any other surface. This allows the device to distinguish “valid” hits on the vest from “invalid” hits scored elsewhere on the body. The normal state of the foil tip is a closed circuit where power is constantly running until the point of the weapon is depressed on target, triggering a valid (colored) light on the machine, or off-target, triggering an invalid (white) light.
- The epee (a thrusting weapon) is the descendant of the rapier itself and has no artificial distinctions of target or conventions. It is the simplest of the weapons, where a touch can be scored with the point anywhere on the body. The only convention is that the fencer who scores first gets the touch, and simultaneous touches are scored against both contestants. A competition epee contains a spring-loaded, conductive tip which ordinarily acts as an open switch, but which is closed when the tip is depressed on the target, triggering the scoring light on the apparatus. Once one fencer's points is depressed, the machine shuts off after the passage of 1/25th of a second, therefore insuring that the fencer scoring first gets the touch. Touches that hit within the 1/25th interval are awarded as simultaneous to both fencers (except the last touch of the bout, which must be a single light).
- The saber (a cutting and thrusting weapon) is the descendant of the cavalry saber. Its conventions determine that the target is from the horn of the saddle (from the top of the hips) up to include the arms to the wrist and the head. The fencers wear a jacket of the same material as the foil lame with sleeves and the mask is constructed of conductive metal and fabric bib. These are attached to the scoring machine comprising one part of the electrical circuit. Unlike a foil or epee, a saber does not have a spring-loaded tip; rather, the entire blade is electrically active, allowing for slashing as well as stabbing motions. An additional difference is that there are no invalid lights used in saber. Any touch arriving on the lower extremities results in no touch registering on the scoring apparatus. The system uses an open circuit with one half being the weapon of one fencer and the other half their opponent's lame and mask. When the fencer's blade touches any part of the opponent's target area the signal light is activated. Saber employs the same conventions of priority as the foil, demanding recognition of the attack and response.
- The effectiveness of the electronic scoring system to fencing is indisputable and universally lauded by the sport's historians and participants around the globe; and yet the system does have difficulties that prejudice the “just and correct” results it was invented to insure. Fencing as it is practiced today is a technically and physically challenging discipline that demands of its officials extraordinary focus and attention in order to analyze the complex actions of the sport. The director uses the signals of the apparatus within the context of the rules of engagement to determine the results of the bout or match. This requires the director to intently focus on the actions of the fencers as they alternately attack and defend against each other while watching and listening for the scoring system's signals to determine exactly when a touch is scored. It is possible (and in fact common) for these complex exchanges of attack, defense, and counter-attack to involve three to four actions in a single second, requiring the director to know exactly when the signals are activated to make a correct call.
- This certainly qualifies as a daunting task under perfect conditions, and one that has proved prone to error within the real world environment polluted by background noise, visual distractions, fatigue, and the divided focus required in observing the fencing actions and watching/listening for the signals of the apparatus some distance from the action. A casual conversation between an interested observer and an experienced competitor, coach, or candid official will yield evidence of how commonplace significant errors are on every level of the sport, and yet little has been done in the intervening years since the introduction of electronic scoring to improve its use.
- The obvious culprits, as stated above, are divided attentions, distractions and director fatigue. These factors can and have been mitigated by controlling the environment and limiting the length of time directors are used, but cannot be entirely eliminated because the problems are systemic as well as situational. Deeper analysis reveals not only the nature of the systemic problems, but also insight into a solution.
- The athletes involved in a match are engaged at every level humanly possible and, as such, enjoy a significant advantage over the presiding official. They can see, hear, and feel every nuance of the actions between each other. The director must rely upon his or her sight and hearing alone, both of which senses are significantly impaired for all the reasons already discussed. Sight is a complex sense in that it can be used generally, taking in a large panorama and therefore not aware of specific details, or focused to a specific area, and in so doing missing other details within the field of vision. Hearing a specific sound can be overwhelmed by other more powerful sounds or confused by similar sounds (both of which happen frequently in fencing environments). Touch is a threshold sense in that once a stimulus is delivered at a level that triggers the nerves (those dedicated to pressure, for example) it is felt. Touch is precise and not easily confused or overwhelmed by the other senses. Tactile signaling has been proven extremely effective in other areas where the auditory and visual senses may be distracted or overwhelmed, including collision warning systems for automobiles [Scott and Gray, 2008], multisensory displays for aircraft pilots [van Erp et. al., 2006] and wearable tactile interfaces for computing [Gemperle, Ota and Siewiorek, 2001]. Research has shown that adding tactile in addition to visual signaling both improves the rate of detection of unexpected events and increases response time to the same [Sklar and Sarter, 1999]. The invention described here is designed to give these tactile cues to the director.
- Once armed with the ability to feel when the touches are actually activated (with a vibrating sensor in each hand corresponding to each fencer) the director's attention need no longer be divided, and in fact he or she will have the advantage over the fencers of knowing exactly when the touch is registered by the scoring machine (the fencers frequently believe that their touch has registered with the scoring system, when in fact it has not, either because contact was glancing or because not enough pressure was applied). Experienced and skilled directors will become even more accurate in their calls, and mid-level and novice officials will find it easier to focus and make the fine distinctions required by the conventions of the sport. In all cases, the need to see the indicator lights becomes a secondary issue for the director. He or she need only to glance at the scoring machine after the action has concluded to confirm what has already been felt. The ability to make the fine distinctions required by the rules will be greatly enhanced and as a result the original vision of ensuring a just and correct result will come closer to reality.
- This invention provides a method and apparatus for introducing a tactile signal to the electronic scoring systems used in fencing. The tactile signaling made possible by this invention is intended to complement, not replace, the signals already employed by electronic fencing scoring systems, that is optical signaling in the form of color-coded lights and audible signaling in the form of a bell or buzzer. In the preferred embodiment, tactile signaling would be accomplished by a pair of offset motors attached to each of the director's hands (or wrists or arms). When the fencer to the director's right scores a touch, the right motor would vibrate. When the fencer to the director's left scores a touch, the left motor would vibrate.
- In the preferred embodiment, a signal indicating a valid touch would be collected either directly from the circuitry associated with each fencer's weapon or from the control box of the existing electronic scoring system. The circuitry needed to collect and condition these signals might be housed in a pair of units located on the person of each fencer, or on a unit located in or near the control box of the existing electronic scoring system. In the preferred embodiment, the signals are relayed via a wireless transmitter to a wireless receiver in a unit located on or near the director's person. This unit would receive signals indicating a touch scored by the right or left fencer, and use these signals to activate the right or left offset motor. The offset motors might be connected to the receiving unit either by wires or in a wireless manner.
- A director using the system described here would feel a substantial advantage in being able to keep his or her unfocused attention fixed on the action between the fencers at all times, rather than having to divide his or her attention between the fencers and the scoring system's indicator lights. Once the tactile signal had alerted the director that the electronic scoring system has registered a touch, he or she would be able to quickly glance at the indicator lights to confirm that this was the case. The auditory signal that always accompanies a touch in existing scoring systems would provide further confirmation. The advantage of allowing the director to give undivided attention to the action of the fencing bout will become especially apparent in the drawings and detailed description that follow.
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FIG. 1 : a sketch, approximately to scale, of a fencing bout from the point of view of the director. -
FIG. 2 : A) a simplified drawing of a foil; B) a simplified diagram showing how an electronic scoring apparatus indicates touches in foil fencing. -
FIG. 3 : A) a simplified drawing of an epee; B) a simplified diagram showing how an electronic scoring apparatus indicates touches in epee fencing. -
FIG. 4 : A) a simplified drawing of a saber; B) a simplified diagram showing how an electronic scoring apparatus indicates touches in saber fencing. -
FIG. 5 : a block diagram of an electrical apparatus embodying this invention showing A) the unit containing the transmitter, and B) the unit containing the receiver. -
FIG. 6 : a sketch demonstrating the intended manner of use of the tactile signals produced by this invention. - A fencing bout is shown from the point of view of the
director 1 inFIG. 1 . The bout is betweenfencers 2 and 3, who are called Left and Right, respectively, by thedirector 1. All action takes place on a strip (or piste) 4, which is 18 meters long by 2 meters wide. Each fencer has a weapon (5 and 6 for Left and Right, respectively), both of which are connected by means of a body cord (not shown, but carried on the person of fencers 2 and 3) to the electronic scoring system. The scoring system may consist of a pair of wires (7 and 8 for Left and Right, respectively) kept taut by spring-wound reels located at the end of the strip 4 (9 and 10 for Left and Right, respectively). Additional wires (floor cables) 11 and 12 may connectfencers 2 and 3 to acontrol box 13, which contains the software necessary both to interpret the signals fromweapons 5 and 6 and to lock out any touches (per specifications particular to each type of weapon) that may occur after the initial action has concluded. A pair of colored indicator lights on the control box (14 and 15) is used to indicate valid touches to the target area. In the case of foil fencing, a second set of white lights (16 and 17) is used to indicate invalid touches outside the allowed target area. In a foil or saber bout, it is up to thedirector 1 to determine whether a valid touch as indicated by thecontrol box 13 is also valid in terms of the rules of right-of-way. This is particularly important and difficult when an action concludes with indicator lights showing touches on both the right and left. The control box also uses an auditory signal (i.e. a buzzer) to indicate that a touch has been scored, ending the action.FIG. 1 is shown roughly to scale, to demonstrate the difficulty of the director's job in monitoring the action on the 18-meter long strip 4. It can be difficult for thedirector 1 to watch both thefencers 2 and 3 and the indicator lights 14-17, particularly when the action moves to one end of the strip. - Note that the bout depicted in
FIG. 1 could also be carried out with a wireless scoring system. In this case, thecables reels 9 and 10 would be replaced by wireless transmitters (carried on the person of fencers 2 and 3) and receivers that would send signals indicating touches to thecontrol box 13. Everything else about such a bout would remain as described above, including the difficulties for thedirector 1. -
FIG. 2A shows a simplified drawing of a fencing foil. The foil consists of agrip 18, abell guard 19, and ablade 20. The tip of the blade contains a spring-loadedswitch 21, which is depressed when a touch is made. A wire running along theblade 20 carries the signal to the body cord of the fencer, which plugs into a connector located in thebell guard 19.FIG. 2B shows a simplified diagram of an electronic scoring system for foil. The normal condition of the foil is aclosed circuit 22, in which the tip of the blade carries aDC voltage 23 through a connection to the body cord of the fencer. If the tip is depressed on the lame of the opposing fencer, which is grounded, the switch is connected at 24. This sends a signal, which thecontrol box 25 interprets as a valid touch. If the tip is depressed anywhere other than the opposing fencer's lame, the switch is connected at 26, and thecontrol box 25 registers an invalid touch. Both valid and invalid touches stop the action in a foil bout. Asignal 27 triggers an auditory signal (i.e. a buzzer) to signal the end of the action, and color-coded indicator lights to show valid or invalid touches by the Left or Right fencer. -
FIG. 3A shows a simplified drawing of an epee. The epee consists of agrip 28, abell guard 29, and ablade 30 Like a foil, an epee also contains atip 31 which acts as a spring-loaded switch and which is depressed when a touch is made.FIG. 3B shows a simplified diagram of an electronic scoring system for epee. Unlike a foil, the normal condition of the epee is anopen circuit 32. The fencers do not wear lames. A touch anywhere other than the strip or the opponent's bell guard, which are both grounded, results in aclosed connection 33 with theDC voltage 34. This is registered by thecontrol box 35 as a valid touch, causing asignal 36 to be sent which activates the color-coded indicator lights and buzzer. A touch to the strip or opponent's bell guard, both of which are grounded, results in a connection at 37, which thecontrol box 35 interprets as a non-registered touch. Only a valid touch stops the action in an epee bout. -
FIG. 4A shows a simplified drawing of a saber. The saber consists of agrip 38, abell guard 39 and ablade 40. A saber does not have a depressible tip; rather, the whole blade is electrically active and may make contact with the opponent's scoring area. Saber fencers wear lames that cover the upper torso and arms, and conductive masks which cover the head and face.FIG. 4B shows a simplified diagram of an electronic scoring system for saber. The normal state of a saber is anopen circuit 41. A touch of any part of the blade to the opponent's valid scoring area results in aclosed circuit 42 to aDC voltage 43 delivered through the body cord of the fencer, which thecontrol box 44 interprets as a valid touch. A valid touch results in asignal 45 being sent to activate color-coded indicator lights and a buzzer to indicate the end of the action. The weapon's bell guard is grounded, so a hit to this area will result in aconnection 46, which the control box interprets as a non-registered touch. In a saber bout, an invalid touch does not cause a visual or auditory signal to be initiated or stop the action by right-of-way rule. - A block diagram showing an electronic system embodying the invention is shown in
FIG. 5 . The aim of the invention is to provide a means of signaling touches in a tactile manner. This invention is intended to be used in concert with the electronic scoring systems, either wired or wireless, that are already used in fencing bouts. The existing systems indicate valid and invalid touches by means of optical signals (i.e. color-coded lights) and auditory signals (i.e. a buzzer). The tactile signal produced by this invention is intended to alert the director that a touch has been scored, while at the same time allowing the director to give his or her undivided focus to the action of the bout, rather than the indicator lights. The tactile signal need not differentiate between a valid and an invalid touch. Once the director has been alerted to a touch by the tactile signal, he or she can then glance at the indicator lights of the existing scoring system to confirm whether the touch was to the valid target area. - The preferred embodiment of this invention would consist of separate transmitter and receiver units, which are shown in
FIGS. 5A and 5B , respectively. Because the preferred embodiment of this invention need not differentiate between a valid and an invalid touch, it would accept as an input a signal that indicated that any touch (valid or invalid) had been achieved by the fencer on the director'sLeft 47 orRight 48. The signal would pass through any circuitry required for amplification orother conditioning 49 to awireless transmitter 50. The wireless transmitter would send a coded signal through anantenna 51, which might be radio frequency (RF) or any other wireless signal, towireless receiver 52 andantenna 53. The coded signal would indicate whether the touch had been achieved by the Left or Right fencer. In the preferred embodiment, the receiver would be contained in a separate unit from the transmitter. Once a coded signal is received,circuitry 54 will be enabled to lock out any additional touches as specified for each of the weapons, and perform any additional signal conditioning. A touch Left will result in a signal being sent to an offset motor attached to the director's left hand (or wrist or arm) 55. A touch Right will result in a signal being sent to an offset motor attached to the director's right hand (or wrist or arm) 56. - The offset
motors FIG. 6 . The offset motor may be contained within a small box ordisc 57, which may be attached by some means to the director'shand 58. In the preferred embodiment, the structure containing the offset motor would be attached to one or more of the fingers in a manner that allowed the rest of the hand to remain free. This invention would also work as intended if the offset motor were attached to the director's wrist or arm, as long as the differentiation between right and left is maintained. The structure containing the offset motor might be connected to the receiver unit by means of awire 59, or in a wireless manner. -
- Delcayre, G. “Electronic Equipment for Radio Control of Fencing Bouts.” U.S. Pat. No. 4,030,731. June, 1977.
- Gemperle, F.; Ota, N.; Siewiorek, D. “Design of a Wearable Tactile Display,” Proceedings of the 5th IEEE International Symposium on Wearable Computers, p. 5, October, 2001.
- Reith, W. E.; Overman, J. A. “Electrical Fencing Scoring Method and Apparatus,” U.S. Pat. No. 3,920,242. November, 1975.
- Roke Manor Research Ltd. “Video Processor Systems for Ball Tracking in Ball Games.” European Patent WO0141884 (A1). June, 2001.
- Scott, G.; Gray, R. “A Comparison of Tactile, Visual and Auditory Warnings for Rear-End Collision Prevention in Simulated Driving,” Human Factors: The Journal of the Human Factors and Ergonomics Society, v. 50, n. 2, pp. 264-275, 2008.
- Sklar, A. E.; Sarter, N. B. “Good Vibrations: Tactile Feedback in Support of Attention Allocation and Human-Automation Coordination in Event-Driven Domains,” Human Factors: The Journal of the Human Factors and Ergonomics Society, v. 41, n. 4, pp. 543-552, 1999.
- van Erp, J. B. F.; et. al. “A Tactile Cockpit Instrument Supports the Control of Self-Motion During Spatial Disorientation,” Human Factors: The Journal of the Human Factors and Ergonomics Society, v. 48, n. 2, pp. 219-228, 2006.
- United States Fencing Association (USFA), Inc. Fencing Rules 2008, September 2008 Edition, United States Fencing Association, Inc., Colorado Springs, Colo., 2008.
Claims (8)
1. A method for signaling touches in a fencing bout in a tactile manner, comprising
a. detecting the touches achieved by the fencers in the bout,
b. sending signals indicating the touches wirelessly to a separate unit which may be located near the director or on the director's person,
c. receiving signals indicating the touches wirelessly in a separate unit which may be located near the director or on the director's person, and
d. using the received signals indicating the touches to actuate a tactile signal in the director's left or right hand, wrist or arm, corresponding to a touch achieved by the left or right fencer.
2. The method of claim 1 , wherein the touches achieved by the fencers in the bout may be detected directly by monitoring the opening and closing of the circuits created by the fencers' weapons contacting valid or invalid target areas; or may be detected indirectly by monitoring an existing scoring system.
3. The method of claims 1 -2, wherein circuitry for detecting and conditioning the signaled touches may be located in separate units housed on the person of each fencer, or in a single unit housed in or near the control box of an existing scoring system.
4. The method of claims 1 -3, wherein the unit or units for detecting and conditioning the signaled touches mentioned in claim 3 contains a means of sending wireless signals to a separate unit located on or near the director's person (which is here called the receiving unit).
5. The method of claims 1 -4, wherein the receiving unit contains both a means of receiving signals wirelessly that indicate when touches have been scored by either fencer, and circuitry for processing and conditioning these received signals.
6. The method of claims 1 -5, wherein the signals received by the receiving unit are used to actuate tactile signals in the form of offset motors attached to the director's right and left hands, wrists or arms.
7. The method of claims 1 -6, wherein the offset motors may be attached to the receiving unit either with wires or in a wireless manner.
8. The method of claims 1 -7, wherein a tactile signal on the director's right hand, wrist or arm indicates that the right fencer has achieved a touch, and a tactile signal on the director's left hand, wrist or arm indicates that the left fencer has achieved a touch.
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CN108888939A (en) * | 2018-08-22 | 2018-11-27 | 南京魔盒信息科技有限公司 | A kind of fencing judgment system |
CN114534232A (en) * | 2022-02-25 | 2022-05-27 | 吉林师范大学 | Judgment system special for digital fencing competition |
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US20130281217A1 (en) * | 2011-11-22 | 2013-10-24 | Gheorghe Florea | Wireless scoring system for competitive swordplay game with nonmetallic swords |
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EP3074099A4 (en) * | 2013-11-22 | 2017-08-23 | Morehouse Usa Creative, LLC | Fencing weapon including indicator integrated in guard |
US20170080314A1 (en) * | 2014-05-13 | 2017-03-23 | Kapan CHU | Armed combat interactive system based on high frequency wireless scoring |
US10179269B2 (en) * | 2014-05-13 | 2019-01-15 | Kapan CHU | Armed combat interactive system based on high frequency wireless scoring |
US20160158623A1 (en) * | 2014-12-03 | 2016-06-09 | Morehouse USA Creative, LLC | Wearable device and method for indicating scoring and scoring athority |
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US10518154B2 (en) | 2015-02-06 | 2019-12-31 | Radical Fencing, LLC | Portable resilient floating fencing floor system |
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USD958462S1 (en) | 2020-03-23 | 2022-07-19 | Angelica Anousis | Fencing bib |
CN114534232A (en) * | 2022-02-25 | 2022-05-27 | 吉林师范大学 | Judgment system special for digital fencing competition |
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