FR2982698A1 - Drum sound generating device for use in boxing punch bag, has round-shaped sensor plugs inserted into inner side of punching bag, where sensor plugs are composed of upper and lower molded shells and piezo transducers - Google Patents

Drum sound generating device for use in boxing punch bag, has round-shaped sensor plugs inserted into inner side of punching bag, where sensor plugs are composed of upper and lower molded shells and piezo transducers Download PDF

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Publication number
FR2982698A1
FR2982698A1 FR1103419A FR1103419A FR2982698A1 FR 2982698 A1 FR2982698 A1 FR 2982698A1 FR 1103419 A FR1103419 A FR 1103419A FR 1103419 A FR1103419 A FR 1103419A FR 2982698 A1 FR2982698 A1 FR 2982698A1
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Prior art keywords
bag
sensor plugs
shells
sensor
sound
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FR1103419A
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French (fr)
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FR2982698B1 (en
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Pascal Didier Louis Millien
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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H3/00—Instruments in which the tones are generated by electromechanical means
    • G10H3/12—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument
    • G10H3/14—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means
    • G10H3/146—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means using a membrane, e.g. a drum; Pick-up means for vibrating surfaces, e.g. housing of an instrument
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/461—Transducers, i.e. details, positioning or use of assemblies to detect and convert mechanical vibrations or mechanical strains into an electrical signal, e.g. audio, trigger or control signal
    • G10H2220/525—Piezoelectric transducers for vibration sensing or vibration excitation in the audio range; Piezoelectric strain sensing, e.g. as key velocity sensor; Piezoelectric actuators, e.g. key actuation in response to a control voltage
    • G10H2220/541—Piezoelectric transducers for vibration sensing or vibration excitation in the audio range; Piezoelectric strain sensing, e.g. as key velocity sensor; Piezoelectric actuators, e.g. key actuation in response to a control voltage using piezoceramics, e.g. lead titanate [PbTiO3], zinc oxide [Zn2 O3], lithium niobate [LiNbO3], sodium tungstate [NaWO3], bismuth ferrite [BiFeO3]
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2230/00—General physical, ergonomic or hardware implementation of electrophonic musical tools or instruments, e.g. shape or architecture
    • G10H2230/045—Special instrument [spint], i.e. mimicking the ergonomy, shape, sound or other characteristic of a specific acoustic musical instrument category
    • G10H2230/251—Spint percussion, i.e. mimicking percussion instruments; Electrophonic musical instruments with percussion instrument features; Electrophonic aspects of acoustic percussion instruments or MIDI-like control therefor
    • G10H2230/275—Spint drum
    • G10H2230/281—Spint drum assembly, i.e. mimicking two or more drums or drumpads assembled on a common structure, e.g. drum kit
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2230/00—General physical, ergonomic or hardware implementation of electrophonic musical tools or instruments, e.g. shape or architecture
    • G10H2230/045—Special instrument [spint], i.e. mimicking the ergonomy, shape, sound or other characteristic of a specific acoustic musical instrument category
    • G10H2230/251—Spint percussion, i.e. mimicking percussion instruments; Electrophonic musical instruments with percussion instrument features; Electrophonic aspects of acoustic percussion instruments or MIDI-like control therefor
    • G10H2230/275—Spint drum
    • G10H2230/291—Spint drum bass, i.e. mimicking bass drums; Pedals or interfaces therefor
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/315—Sound category-dependent sound synthesis processes [Gensound] for musical use; Sound category-specific synthesis-controlling parameters or control means therefor
    • G10H2250/435—Gensound percussion, i.e. generating or synthesising the sound of a percussion instrument; Control of specific aspects of percussion sounds, e.g. harmonics, under the influence of hitting force, hitting position, settings or striking instruments such as mallet, drumstick, brush or hand

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

The device has round-shaped sensor plugs inserted into an inner side of a punching bag. The sensor plugs are composed of upper and lower molded shells and a piezoelectric vibration pick-up units i.e. piezo transducers. A spacing of the shells is ensured by two spring leaves. The lower molded shell is molded with an interior face of a dish. The sensor plugs are equipped with the piezo transducers in a side by side manner. The molded shells are attached to one by another by guidance pawns. The sensor plugs are made of fiber glass with epoxy resin.

Description

La présente invention concerne un dispositif permettant de générer des sons de batterie lorsqu'on boxe dans un sac de frappe. Différentes zones repérées sur le sac(fig 1) sont assignées à des sons programmés correspondants à au moins une grosse caisse, une caisse claire, et une cymbale crash. On peut ajouter d'autres zones correspondant par exemple à trois toms(alto, medium et basse) et une autre cymbale ride(pour utilisateurs avertis).Afin de réaliser cette invention il faut utiliser des capteurs de vibrations (transducteurs piezo) placés sous les zones de frappe. Ces capteurs envoient des signaux électriques à un module qui amplifie ces derniers et leur assigne un son préprogrammé de batterie. Ce module enfin, est relié à un amplificateur (ou un casque audio sans fil) qui restitue le son final à la puissance désirée.Ce type de capteur et de traitement du signal sont similaires à ceux utilisés sur les batteries électroniques(appelées aussi EDRUM). La difficulté technique réside dans le fait que les capteurs piezo sont fragiles(lames de quartz) et dans le cas 15 présent, les frappes peuvent être très puissantes(bien plus qu'une baguette sur une batterie) avec coups de poings et de pieds. Le système de capteur qui reçoit l'impact doit être sensible aux petits coups(ex: la frappe d'un enfant) et encaisser la frappe d'un poids lourd sans endommager le transducteur. Pour cela j'ai inventé un "tampon capteur". Le tampon capteur est un assemblage 20 de deux coques(courbées au diamètre du sac), une supérieure et une inférieure(Fig 2). Elles sont liées entre elles par des pions de guidages et espacées avec des lames de ressort.Les pions de guidage(rivets à tête fraisée utilisés pour le proto) servent à limiter le déplacement latéral des coques entre elles.Ces rivets sont montés serrés et collés dans la coque supérieure et 25 très libres dans la coque inférieure(trous de forme oblongue), cet ajustement permet aux deux coques de se décoller tout en interdisant leur désolidarisation complète .L'espace entre les deux coques(exagéré sur le dessin) est de 2 à 3mm. La plaque de protection du transducteur(peut être remplacé par une capsule type bouchon de bouteille de lait) sert à isoler ce 30 dernier de la pression de la bourre. Sans cela la bourre amortirait les vibrations de la lame piezo.La coque supérieure(plus épaisse que l'inférieure) va sous l'impact du coup, déformer les lames ressort et s'appliquer sur la coque inférieure en générant une vibration que le capteur va transformer en signal électrique pour le module. Dès le contact, les deux coques sont 35 solidaires(résistent d'autant plus à la déformation) et se déplacent en comprimant la bourre du sac afin d'amortir l'onde de choc.Le contour du tampon est recouvert d'adhésif afin de protéger l'espace entre les deux coques des morceaux de tissus composant la bourre du sac qui sans cela s'y introduiraient.Les coques pourrait être réalisées en plastique moulé ou en 40 acier.Je les ai fabriquées en toiles de fibre de verre et résine polyester en les moulant sur un gabarit en acier courbé au diamètre du sac, l'empreinte du méplat(FIG 4) destinée à recevoir le transducteur est obtenu en plaçant un bouchon(d'une bouteille de lait pour ma réalisation « artisanale »), enduit au préalable de cire de démoulage, on couvre bien la base du bouchon avec la 45 résine liquide et on démoule après durcissement. Le tampon capteur correspondant à la zone assignée au son de la caisse claire, est pourvu de deux transducteurs piezo côte à côte(donc deux plats sur la coque inférieure) l'un est assigné au son de la caisse claire et l'autre en option au son de la grosse caisse, une frappe génère donc deux sons 50 simultanés : caisse claire+grosse caisse.Ceci afin de solutionner un problème qui se poserai sur beaucoup de morceaux de musique. En effet sur un titre de rock, hard rock, techno...la caisse claire et la grosse caisse sont très souvent sollicitées en même temps, cela est faisable techniquement avec le sac batterie(frapper deux zones en même temps avec ses deux poings) mais 55 pour un boxeur puriste, c'est un geste qu'il ne doit jamais faire(jamais les deux bras dépliés en même temps). Mise en place des tampons capteurs :Le sac est vidé de sa bourre, on place les tampons en collant à l'adhésif double face les coques supérieures sur la paroi interne du sac aux zones voulues.The present invention relates to a device for generating drum sounds when boxing in a punch bag. Different zones marked on the bag (FIG. 1) are assigned to programmed sounds corresponding to at least one bass drum, a snare drum, and a crash cymbal. Other zones may be added, for example three toms (alto, mid and bass) and another ride cymbal (for advanced users). In order to realize this invention it is necessary to use vibration sensors (piezo transducers) placed under the strike zones. These sensors send electrical signals to a module that amplifies them and assigns them a preprogrammed drum sound. Finally, this module is connected to an amplifier (or a wireless headphone) that restores the final sound to the desired power. This type of sensor and signal processing are similar to those used on electronic batteries (also called EDRUM) . The technical difficulty lies in the fact that the piezo sensors are fragile (quartz blades) and in this case, the strikes can be very powerful (much more than a wand on a battery) with punches and feet. The sensor system that receives the impact must be sensitive to small strokes (eg the strikes of a child) and cash the strike of a truck without damaging the transducer. For that I invented a "sensor buffer". The sensor pad is an assembly of two shells (curved to the bag diameter), one upper and one lower (Fig 2). They are linked together by guide pins and spaced with spring blades. The guide pins (countersunk rivets used for the proto) serve to limit the lateral displacement of the shells between them. These rivets are mounted tight and glued. in the upper hull and 25 very free in the lower hull (oblong holes), this adjustment allows the two hulls to take off while prohibiting their complete disengagement. The space between the two hulls (exaggerated on the drawing) is 2 to 3mm. The transducer shield (may be replaced by a milk bottle cap type capsule) serves to isolate the latter from the pressure of the wad. Otherwise the fluff would dampen the vibrations of the piezo blade. The upper shell (thicker than the bottom) goes under the impact of the blow, deforming the spring blades and applying on the lower shell generating a vibration that the sensor will turn into electrical signal for the module. Upon contact, the two shells are integral (resist all the more deformation) and move by compressing the bag wad to dampen the shock wave. The outline of the pad is covered with adhesive to to protect the space between the two hulls of the pieces of fabric composing the stuffing of the bag which without this would be introduced there. The hulls could be made in molded plastic or in 40 steel. I made them in fiberglass and resin canvases polyester by molding them on a steel template curved to the diameter of the bag, the footprint of the flat (FIG 4) intended to receive the transducer is obtained by placing a stopper (of a bottle of milk for my "artisanal" realization), pre-coated with demolding wax, the base of the cap is well covered with the liquid resin and is demolded after curing. The sensor pad corresponding to the zone assigned to the sound of the snare drum, is provided with two side-by-side piezo transducers (thus two dishes on the lower shell) one is assigned to the sound of the snare drum and the other as an option to the sound of the bass drum, a hit generates two sounds 50 simultaneously: snare + bass drum.This to solve a problem that will arise on many pieces of music. Indeed on a title of rock, hard rock, techno ... the snare drum and the bass drum are very often solicited at the same time, this is technically feasible with the battery bag (hit two zones at the same time with his two fists) but 55 for a purist boxer, it is a gesture he must never do (never both arms unfolded at the same time). Placement of the sensor pads: The bag is emptied of its wad, the tampons are placed by sticking to the double-sided adhesive the upper shells on the inner wall of the bag to the desired zones.

60 Liaison entre les tampons capteurs et le module son :Le faisceau de fils(2par tampon) remonte par le centre du sac pour sortir au sommet de ce dernier en prises mâles dites "jack" pour assurer la liaison avec le module qui est intégré avec sa batterie(pile) sur la partie supérieure du sac. Le signal module est envoyé via infra rouge ou onde hertzienne au récepteur d'un amplificateur(ou 65 d'un casque). Remarque : il est possible de mettre des tampons capteurs(qté=4) à la même hauteur pour couvrir le tour complet du sac. Chacun des groupes de 4capteurs serait assigné à un son et donc superposés comme des anneaux. L'avantage de cette configuration permet de choisir le son en fonction de la 70 hauteur de frappe et demande moins de précision de la part de l'utilisateur et le sac peut tourner sur lui-même sans que cela pose la moindre difficulté. Cette invention peut intéresser les distributeurs d'article de sport, les salles de remise en forme les développeurs de jeux vidéo car le principe de ce sac serait adaptable à des jeux de console type "rock band" et "guitar hero" avec 75 des pastilles de couleur collées sur les différentes zones(on validerai les signaux de couleurs affichés à l'écran de télé en frappant la pastille de la même couleur).Le sac pourrait être vendu tout équipé ou le kit tampons capteurs+module vendu séparément pour les clients qui ont déjà un sac de frappe et qui désirent l'équiper eux-mêmes.60 Connection between the sensor pads and the sound module: The bundle of wires (2 per buffer) goes up through the center of the bag to exit at the top of the bag in male plugs called "jack" to ensure the connection with the module that is integrated with its battery (battery) on the top of the bag. The module signal is sent via infra red or radio wave to the receiver of an amplifier (or 65 of a headset). Note: It is possible to put sensor pads (qty = 4) at the same height to cover the complete turn of the bag. Each group of 4captors would be assigned to a sound and thus superimposed as rings. The advantage of this configuration makes it possible to choose the sound according to the striking height and requires less precision on the part of the user and the bag can rotate on itself without this posing any difficulty. This invention may interest distributors of sporting goods, fitness rooms video game developers because the principle of this bag would be adaptable to console games like "rock band" and "guitar hero" with 75 pellets colored on the different areas (we will validate the color signals displayed on the TV screen by hitting the pellet of the same color). The bag could be sold fully equipped or the sensor + module buffer kit sold separately for customers who already have a punch bag and wish to equip it themselves.

80 Les utilisateurs potentiels de cette invention seraient : Les néophytes qui se découragent en travaillant au sac car c'est ennuyeux et le bruit d'impact est frustrant lorsqu'on a pas encore de "punch". Le fait de sortir "un gros son" à chaque frappe au rythme d'une musique va valoriser et stimuler l'utilisateur qui ensuite va naturellement coordonner ses frappes 85 avec la grosse caisse et la caisse claire du morceau écouté.11 aura de plus le sentiment de "jouer" dans le groupe. Avec ces capteurs et module, la puissance du son est proportionnelle à la force de frappe, il y aura un aspect "défouloir" . Les boxeurs qui s'entrainent régulièrement au sac et qui le font très souvent en 90 musique(c'est mon cas). La musique motive et donne le rythme et on se surprend à frapper exactement sur le tempo de la grosse caisse et de la caisse claire. Générer soi-même le son de la batterie pour fusionner avec la musique originale est valorisant et exige en gérant aussi la cymbale ainsi que les toms basse, une précision, une vélocité et coordination plus complexes.Potential users of this invention would be: Neophytes who become discouraged while working on the bag because it is boring and the impact sound is frustrating when there is no "punch" yet. The fact of going out "a big sound" with each strike to the rhythm of a music will valorize and stimulate the user who will then naturally coordinate his strikes 85 with the bass drum and the snare of the track list.11 will also have the feeling of "playing" in the group. With these sensors and module, the power of the sound is proportional to the force of striking, there will be an aspect "défouloir". The boxers who train regularly to the bag and who do it very often in 90 music (that's my case). The music motivates and gives the rhythm and one is surprised to hit exactly on the tempo of the bass drum and the snare drum. Generating the sound of the drums to merge with the original music is rewarding and requires also managing the cymbal as well as the toms bass, precision, velocity and coordination more complex.

95 Les ados et pré-ados toujours attirés par les punching balls et sac de frappe, le rythme de beaucoup de morceaux de rap est particulièrement bien adapté à ce genre d'exercice. 100 95 Teens and pre-teens still attracted by punching balls and punching bags, the rhythm of many rap songs is particularly well suited to this kind of exercise. 100

Claims (7)

REVENDICATIONS1) Dispositif permettant de générer des sons de batteries en boxant dans un sac de frappe, caractérisé en ce qu'il comporte des tampons capteur insérés à l'intérieur du sac qui, lorsqu'ils sont frappés, vont permettre de créer différents sons. CLAIMS1) Device for generating battery sounds by boxing in a punch bag, characterized in that it comprises sensor pads inserted inside the bag which, when struck, will allow to create different sounds. 2) Dispositif (FIG. 2 FIG. 3 et FIG. 4)selon la revendication 1 caractérisé en ce que les tampons capteurs sont composés de deux coques moulées et d'un capteur de vibration piezoélectrique(transducteur). 2) Device (FIG 2 FIG 3 and FIG 4) according to claim 1 characterized in that the sensor pads are composed of two molded shells and a piezoelectric vibration sensor (transducer). 3) Dispositif selon revendication 2 caractérisé en ce que l'écartement des 2 coques est assuré par deux lames de ressort. 3) Device according to claim 2 characterized in that the spacing of the two shells is provided by two leaf springs. 4) Dispositif selon revendication 2 caractérisé en ce que la coque inférieure est moulée avec un plat sur sa face intérieure(FIG. 4) afin d'accueillir le transducteur piezo qui sera collé à l'adhésif double face. 4) Device according to claim 2 characterized in that the lower shell is molded with a flat on its inner face (FIG 4) to accommodate the piezo transducer which will be glued to the double-sided adhesive. 5) Dispositif selon revendication 2 caractérisé en ce que le tampon capteur assigné au son de la caisse claire, est pourvu de deux transducteurs piezo côte à côte(donc deux plats sur la coque inférieure) l'un est assigné au son de la caisse claire et l'autre en option au son de la grosse caisse. 5) Device according to claim 2 characterized in that the sensor pad assigned to the sound of the snare drum, is provided with two piezo transducers side by side (so two dishes on the lower shell) one is assigned to the sound of the snare drum and the other option to the sound of the bass drum. 6) Dispositif selon revendication 2 caractérisé en ce que les coques sont liées entre elles par des pions de guidage. 6) Device according to claim 2 characterized in that the shells are interconnected by guide pins. 7) Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce que les différentes zones repérées sur le sac(fig 1) sont physiquement représentées par des pastilles de couleur. 7) Device according to any one of the preceding claims characterized in that the different areas marked on the bag (Fig 1) are physically represented by color pellets.
FR1103419A 2011-11-10 2011-11-10 BATTERY HITCH BAG Expired - Fee Related FR2982698B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1103419A FR2982698B1 (en) 2011-11-10 2011-11-10 BATTERY HITCH BAG

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Application Number Priority Date Filing Date Title
FR1103419A FR2982698B1 (en) 2011-11-10 2011-11-10 BATTERY HITCH BAG

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FR2982698A1 true FR2982698A1 (en) 2013-05-17
FR2982698B1 FR2982698B1 (en) 2016-01-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3714950A1 (en) * 2019-03-25 2020-09-30 Strength Master Fitness Tech. Co., Ltd. Boxing fitness device with cloud technology and detection method thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4426302A1 (en) * 1994-07-25 1996-02-15 Ko Eui Min Shock force meter for combat sport e.g. boxing or martial arts
EP0795849A2 (en) * 1996-03-12 1997-09-17 Yamaha Corporation Electronic drum having flat sound producing characteristics
DE19927781A1 (en) * 1999-05-22 2001-07-26 Walter Bosbach Punching bag training appliance for triggering sounds incorporates pads for an electrical percussion component inside the punching bag being well upholstered to take hard blows without damage.
US20020062726A1 (en) * 2000-11-29 2002-05-30 Yamaha Corporation Electronic musical instrument
US6576829B1 (en) * 2002-01-17 2003-06-10 Peter Hart Electronic percussion instrument with transducer soldering connection protection
US20050288159A1 (en) * 2004-06-29 2005-12-29 Tackett Joseph A Exercise unit and system utilizing MIDI signals
US20090048069A1 (en) * 2007-08-13 2009-02-19 Richard Sheedy Boxing device and related methods
US20100064880A1 (en) * 2008-09-12 2010-03-18 Yamaha Corporation Electronic percussion instrument having groupable playing pads
US20110015040A1 (en) * 2009-07-14 2011-01-20 Zachary Fleitz Wing chun dummy controller

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4426302A1 (en) * 1994-07-25 1996-02-15 Ko Eui Min Shock force meter for combat sport e.g. boxing or martial arts
EP0795849A2 (en) * 1996-03-12 1997-09-17 Yamaha Corporation Electronic drum having flat sound producing characteristics
DE19927781A1 (en) * 1999-05-22 2001-07-26 Walter Bosbach Punching bag training appliance for triggering sounds incorporates pads for an electrical percussion component inside the punching bag being well upholstered to take hard blows without damage.
US20020062726A1 (en) * 2000-11-29 2002-05-30 Yamaha Corporation Electronic musical instrument
US6576829B1 (en) * 2002-01-17 2003-06-10 Peter Hart Electronic percussion instrument with transducer soldering connection protection
US20050288159A1 (en) * 2004-06-29 2005-12-29 Tackett Joseph A Exercise unit and system utilizing MIDI signals
US20090048069A1 (en) * 2007-08-13 2009-02-19 Richard Sheedy Boxing device and related methods
US20100064880A1 (en) * 2008-09-12 2010-03-18 Yamaha Corporation Electronic percussion instrument having groupable playing pads
US20110015040A1 (en) * 2009-07-14 2011-01-20 Zachary Fleitz Wing chun dummy controller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3714950A1 (en) * 2019-03-25 2020-09-30 Strength Master Fitness Tech. Co., Ltd. Boxing fitness device with cloud technology and detection method thereof

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