WO2018014059A1 - Dispositif d'entraînement aux mouvements d'élan d'un club de golf - Google Patents

Dispositif d'entraînement aux mouvements d'élan d'un club de golf Download PDF

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Publication number
WO2018014059A1
WO2018014059A1 PCT/AT2017/060177 AT2017060177W WO2018014059A1 WO 2018014059 A1 WO2018014059 A1 WO 2018014059A1 AT 2017060177 W AT2017060177 W AT 2017060177W WO 2018014059 A1 WO2018014059 A1 WO 2018014059A1
Authority
WO
WIPO (PCT)
Prior art keywords
golf ball
sensor
golf
training
fixing
Prior art date
Application number
PCT/AT2017/060177
Other languages
German (de)
English (en)
Inventor
Markus BRANDSTÄTTER
René MÄHR
Original Assignee
Tyche Technologies Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tyche Technologies Gmbh filed Critical Tyche Technologies Gmbh
Publication of WO2018014059A1 publication Critical patent/WO2018014059A1/fr

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Classifications

    • 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
    • A63B69/36—Training appliances or apparatus for special sports for golf
    • A63B69/3676—Training appliances or apparatus for special sports for golf for putting
    • A63B69/3685—Putters or attachments on putters, e.g. for measuring, aligning
    • 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
    • A63B69/36—Training appliances or apparatus for special sports for golf
    • A63B69/3676—Training appliances or apparatus for special sports for golf for putting
    • 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
    • A63B69/0073—Means for releasably holding a ball in position; Balls constrained to move around a fixed point, e.g. by tethering
    • A63B69/0075—Means for releasably holding a ball in position prior to kicking, striking or the like
    • 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
    • A63B69/36—Training appliances or apparatus for special sports for golf
    • A63B69/3623—Training appliances or apparatus for special sports for golf for driving
    • A63B69/3632—Clubs or attachments on clubs, e.g. for measuring, aligning
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2102/00—Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
    • A63B2102/32—Golf
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2209/00—Characteristics of used materials
    • A63B2209/14—Characteristics of used materials with form or shape memory materials
    • 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
    • A63B2220/30—Speed
    • A63B2220/34—Angular speed
    • A63B2220/35—Spin
    • 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
    • A63B2220/40—Acceleration
    • 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
    • A63B2220/803—Motion sensors
    • 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
    • A63B2220/805—Optical or opto-electronic sensors
    • 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
    • A63B2220/83—Special sensors, transducers or devices therefor characterised by the position of the sensor
    • A63B2220/833—Sensors arranged on the exercise apparatus or sports implement
    • 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 invention relates to a device for training
  • Impact movements with a golf club with a training device that can be arranged on the floor and at least one sensor for detecting the club head of the golf club during a striking movement.
  • the subject training device is on insbesonde ⁇ re, but not exclusively, for the treatment of occurring especially with golfers in putting sudden, involuntary and jerky muscle spasms, which are known as the "yips".
  • Yips occurs mainly in very good amateur golfers and professionals Due to a lack of clear causes, the treatment of this motor disorder is very difficult and ranges from mental training with relaxation, visualization, other racket keeping, positive thinking about drug treatments to changing the putt movement
  • a more interesting aspect is that Yips usually does not occur when carrying blows without a ball.
  • US Pat. No. 5,441,269 A describes a device for exercising putting, wherein various sensors are arranged in the putter, which analyze the movement of the golf club during puttering and detect a deviation from the ideal course of movement. This is intended to improve or even avoid Yips.
  • the US 5,494,282 A describes a golf club, which is designed to avoid Yips and has a connection ⁇ piece between club head and shaft.
  • KR 1020040042015 A describes a device in the form of a special pad, which generates a sound by friction of the golf ball, which allows a conclusion about the quality of the blow. This device is intended to support a uniform sub ⁇ putt movement and thus avoiding Yip.
  • the object of the present invention is therefore to provide an above-mentioned training device with which a higher training success is to be achieved.
  • the device should be as simple as possible and be usable with normal Golfellern.
  • Yips should be treatable with the device.
  • the device should be as inexpensive and easy to produce, so that a wide application can be guaranteed.
  • the object of the invention is achieved in that a fi ⁇ xier adopted for releasably fixing a golf ball and a control device for actuating the fixing are provided, which is arranged at least one sensor for detecting the Schlä ⁇ gerkopfes before the impact on the golf ball, and the control device with connected to the at least one sensor and is adapted to solve the golf ball when fixing the club head before the impact on the golf ball fixation of the golf ball within a time which is smaller than the human Reacti ⁇ onszeit unnoticed, so that the free golf ball can be tee off is to leave or pinned so that the club head bounces on the fixed golf ball.
  • the core of the present training device is the controllable fixing device for releasably fixing the golf ball, through which the golf player can not predictably fix the golf ball.
  • Fixed golf ball bounces the head of the club Golf club on the fixed golf ball, which gives the golfer corresponding feedback and afferent nerve activities are amplified, whereby the somatosensory system can be stimulated. If unnoticed for the person concerned, because below his reaction time, the fixation of the golf ball is resolved, usually follows a flapping motion without muscle twitching, as they would usually occur, for example, in Yips. With the training device particularly high therapeutic success in Yips, but also generally improvements in the flapping movements of affected golfers could be achieved.
  • the control device receives the necessary information about the fixation of the golf ball and the position of the club head of the golf club during the striking movement, whereby an automated actuation of the fixing device for releasably fixing the golf ball can take place.
  • the distance of the at least one sensor for the detection of the club head before the impact on the golf ball is chosen so that usual racket speeds, especially when putting, the recognition of the club head and the possible release of the fixation of the golf ball just before Auffref ⁇ fen of the club head on Golf ball can be done.
  • the time of ball contact can be estimated with knowledge of conventional bat speeds and from this, the response time will be deducted.
  • the fixing device is preferably formed by a substantially horizontally arranged arm with a connected to a drive, spherical cap-shaped shell at its free end for fixing the golf ball.
  • the golf ball with the spherical segment-shaped shell is simply pressed onto the substrate, so that conventional golf balls and no specially ⁇ len, for example by magnets or the like. equipped, golf balls must be used.
  • the spherical segment-shaped shell by a small distance ⁇ path is deflected upwardly, so that the golf club out under the ⁇ ser therethrough and the free golf ball can be cut off.
  • the drive can be formed for example by an electromagnetic drive and a correspondingly designed gear for lifting the spherical cap shell for solving the fixation of the golf ball. This represents a simple and easily realizable variant of a drive.
  • the drive may also be formed by a shape memory ⁇ alloy.
  • Shape memory alloys shape memory alloy or memory metals are special metals that can exist in two different crystal structures. The shape transformation is based on the temperature-dependent lattice transformation to one of these two crystal structures. Now, if a part of the drive of the fixing device for fixing the golf ball made of such a shape memory alloy, a release of the golf ball by changing the crystal ⁇ structure of the component produced from the shape memory alloy can be achieved.
  • the at least one sensor for detecting the club head may be formed by an optical sensor.
  • optical sensors can be made relatively simple and with a small size and do not affect the weight of the Golfschlä ⁇ gers or only to a small extent, for example, when the golf club a reflector or optical receiver is arranged.
  • the optical sensor for detecting the club head is arranged at a suitable location of the training device or outside thereof and connected thereto via lines or wirelessly.
  • the sensor for detecting the club head is formed by a light barrier , which is placed in front of the golf ball in the fixing device, so that the club position can be detected before the impact on the golf ball.
  • a sensor for detecting the golf ball is provided in the fixing device, it can be detected whether the golf ball is released or fixed and thus the control device this important information for the course of the procedure ⁇ performed with the training device ⁇ are passed.
  • This sensor for detecting the golf ball in the fixing device can also be formed by an optical sensor.
  • optical sensors are particularly suitable because they have only very small size.
  • the sensor for detecting the golf ball is arranged at a suitable place on Trai ⁇ nings réelle or on the fixing device and connected via corresponding lines or wirelessly with the control device.
  • a measuring device for measuring the movement of the golf club during the striking movements.
  • the golfer or therapist can be an important information on the quality of the golf swing Transfer on ⁇ telt be and this information also be used to control the training device.
  • the measuring device can be designed in various ways and be arranged both outside of the golf club ⁇ or on the golf club.
  • the measuring device In order to use the measuring device in commercial golf clubs, this is preferably fastened to the golf club ⁇ bar and has a power supply, a microprocessor for processing the measured data and a transmitter for sending the measured data to a connected to the controller of the training device receiver.
  • the fastening device may be designed by appropriate elastic bands or clamp connections, with which the measuring device, fi xed ⁇ is the golf club, particularly the club shaft.
  • the measuring device has at least one acceleration sensor and at least one gyroscopic sensor for measuring the rotational speed and acceleration of the golf club.
  • these sensors are available, so that they increase the Ge ⁇ weight of the golf club only minimal and not significantly affect the Schlägerbe ⁇ movement in a relatively small size.
  • the accelerometer and gyroscopic sensor the main transaction data of the golf club can be captured and processed ⁇ to.
  • the control device is preferably used for calculating indices, parameters or the like. trained to assess the training success.
  • the control device is formed by a microcontroller or microprocessor. By calculating such indices, parameters or the like. A size can be created, which reflects the training success in a simple manner. This calculation variable in turn can be used to control an indication of the training success.
  • indices or parameters can be used, which will be explained further below with reference to an exemplary embodiment, for example, the Rotationsgeschwindig ⁇ ness of the club face, or the so-called.
  • Reproduzierernesindex Reproducibility index RI
  • control device can also be designed to release the fixing device according to a predetermined pattern.
  • the pattern In order to leave the golfer in the dark about whether the golf ball remains fixed or released, the pattern has a corre ⁇ sponding irregularity, but no real randomness is required.
  • the measured data with the measuring device can be processed to influence the above-mentioned predetermined pattern of the release of the fixing device in the control device.
  • the pattern of the release or fixation of the golf ball can be changed as a function of the measured data.
  • the measured data may be stored for later processing and documentation.
  • control device can be provided with an interface. be prevented, on the one hand to data via the interface übertra ⁇ gen and can catch data via the interface emp ⁇ other.
  • a software update of the control device can also be carried out via such an interface, for example a USB interface.
  • This interface can be used to transmit the measured data and / or the calculated indices, parameters or the like. and / or data derived therefrom to a mobile terminal, in particular a mobile telephone.
  • a mobile terminal in particular a mobile telephone.
  • the golfer or trainer can view the relevant data via a mobile terminal, in particular a mobile phone, or also influence the training device via the mobile terminal.
  • the training device can be controlled and the relevant data can be read and processed.
  • the training device preferably has a display.
  • Egg ⁇ ne Such a display can be realized in ampster manner by lighting bodies, in particular LEDs, but also LED arrays, screens to touch screens, which also show an operation of the at ⁇ or allow the entire training device.
  • the training device ⁇ a damping system which absorbs the energy of the golf club when hitting ⁇ on the fixed golf ball or derived to the ground.
  • a damping system can be performed, for example, as a translational damper or rotary damper and consists of suitable elastic materials.
  • the training device In order to be able to use the training device independently of a supply network, for example outdoors, it has a power supply, preferably in the form of rechargeable batteries. accumulators, up.
  • the corresponding charger for the Akkumula ⁇ tors can be integrated in the training device or externally ange ⁇ arranged.
  • 1 is an isometric view of an embodiment of a training device
  • FIG. 2 is an exploded view of the training device of FIG. 1;
  • FIG. 2 is an exploded view of the training device of FIG. 1;
  • FIG. 3 is an exploded view of another embodiment of a training device
  • FIG. 4 is a block diagram of a measuring device for measuring the movement of the golf club during the striking movements
  • Fig. 5 is a block diagram illustrating the interaction of the measuring device mounted on the golf club with the control device in the training device as well as external devices such as personal computers or mobile terminals such as e.g. Mobile phones;
  • FIG. 6 is a block diagram of an alternative embodiment of the components of the training device.
  • Fig. 7 shows the time courses of the rotational speed of the clubhead surface at ten strokes before and after training; such as
  • Fig. 8 shows the reproducibility index in ten golf beats before and after treatment with the exercise device according to the invention in seven subjects.
  • Fig. 1 is an embodiment of a device 1 for Training of striking movements with a golf club 2 shown.
  • the training apparatus 1 includes a bottom which can be arranged at the training device 3 as well as any attachable to golf bat ⁇ 2-measuring device 18 for measuring the movements of the golf club 2, which is in communication with the exercise device.
  • a measuring device which detects the movement of the golf club 2 can also be arranged on the training device 3.
  • Such a measuring device can be arranged in the space and be formed for example by a camera or video ⁇ system (not shown).
  • the training device 3 includes a fixing device 4 for releasably fixing a golf ball 5, which is preferably formed by a substantially horizontally disposed arm 10, with a kugelkalot- tenförmigen shell 11 at its free end 12 for receiving the golf ball 5 and for fixing the golf ball 5 by pressing against the ground. Furthermore, the training device 3 includes at least one sensor 6 for detecting the club head 7 of the golf club 2 during a striking movement.
  • the sensor 6 is preferably formed by an optical sensor 15, for example a light barrier.
  • a control device 8 in training ⁇ device 3, which by a microprocessor or the like. may be formed controls the operation of the fixing device 4 for the golf ball 5 and receives the data recorded by the sensors 6, 15 and possibly measuring device 18.
  • the control means Upon detecting the club head 7 by the sensor 6, the control means being responsive ⁇ 8 and releases the fixing of the golf ball 5 within a time t which is smaller than the human response time t i reac in particular less than 300 ms.
  • the Trainingsvorrich ⁇ device 1 allows the training of golf shots, particularly impact movements while putting, for the treatment of movement disorders, in particular Yip, since the golf ball 5 can be released without the knowledge of the golfer and thus an improved training success can be achieved.
  • the release of the golf ball 5 takes place by slightly raising the spherical cap-shaped shell 11 at the free end 12 of the arm 10 of the fixing device 4 by means of a corresponding connection.
  • the drive 9 can be formed by an electromagnetic drive 13 and a corresponding gear 14.
  • an embodiment of the drive 9 may consist of a shape memory alloy.
  • the fixing device 4 may also be designed so that it does not fix the golf ball 5 normally, so that it is free to tee off, and where appropriate ⁇ the golf ball 5 for the golfer unnoticed, ie within a time t, which is smaller than the human reaction time t r eac, fixed so that the club head 7 bounces on the fixed golf ball 5.
  • Fig. 3 shows an alternative embodiment of the training device ⁇ 1 in an exploded view, wherein a sensor 16 is provided for detecting the golf ball 5 in the fixing device 4, which is preferably formed by an optical sensor 17.
  • the data acquired by the sensor 16 are forwarded to the control device 8 and processed there and also used to release the fixing device 4 for the golf ball 5.
  • the sensor 6 for detecting the club head 7 of the Golfschlä ⁇ gers 2, which in turn may be formed by an optical sensor 15 is disposed at a comparison with FIGS. 1 and 2 different point of the training device 3.
  • the training ⁇ device 1 shows a damping system 29, which is designed as a translational damping system for damping the impact on the fixed golf ball 5. If now the fixed golf ball 5 detected by the club head 7 of the golf club 2, the Schlagener ⁇ gie is deflected via the arm 10 in the damping system 29 and there preferably converted into heat.
  • FIG. 4 shows a block diagram of a measuring device 18 for measuring the movement of the golf club 2, comprising at least one acceleration sensor 23 for measuring the acceleration a and a gyroscopic sensor 24 for measuring the rotational speed CD, which processes sensor data in a processor device 31 and via an interface 32 , especially a wireless interface, such as Bluetooth LE, be forwarded to the controller 8 of the training device 3.
  • a measuring device 18 for measuring the movement of the golf club 2 comprising at least one acceleration sensor 23 for measuring the acceleration a and a gyroscopic sensor 24 for measuring the rotational speed CD, which processes sensor data in a processor device 31 and via an interface 32 , especially a wireless interface, such as Bluetooth LE, be forwarded to the controller 8 of the training device 3.
  • a wireless interface such as Bluetooth LE
  • Fig. 5 shows a block diagram of the components of the training ⁇ device 1, wherein the measurement device 18, which is arranged on the golf clubs 2, cooperates with the control device 8 in the training apparatus 3 and the processed and detected data, in particular the indices Ii and parameters Pi, to a mobi les ⁇ terminal 27, in particular mobile phone, or a personal computer 33 or can be routed.
  • the corresponding interfaces 26 enable the communication of the control device 8 of the training device 3 with the mobile terminal 27 or a personal computer 33.
  • the so-called reproducibility index RI is an index which, according to experience, provides a good statement about the training success.
  • the Reproduzier stressessindex RI is determined on the rotational speed ⁇ by being determined for a number of beats, therefrom the Standardab ⁇ deviation is calculated and from that the area between the posi tive ⁇ standard deviation and the negative standard deviation is formed.
  • the reproducibility index RI allows a quantitative description of the quality of the impact motion.
  • Fig. 6 shows an alternative embodiment in which the measuring device 18 is connected to the mobile terminal 27 and processed in the mobile terminal 27 information to the controller 8 of the training device 3 diverted ⁇ the.
  • the measuring device 18 has in addition to the in Fig. 4 darge sensors via a power supply 19, a microprocessor 20 and a transmitter 21 to transmit the measured data to the controller 8 in the training device 3.
  • the controller 8 has a receiver 22, a power supply 30 and preferably a data memory 25 and a display 28.
  • a mobile terminal 27, in particular a mobile telephone is used as part of the control device 8 of the training device 3.
  • the mobile terminal 27 also has corresponding transmitters and receivers, for example, Bluetooth transmitters and receivers.
  • FIG. 7 shows the rotational speed ⁇ of the club head in ten golf strokes of a subject as a function of the time t before the treatment (upper diagram) and after the treatment (lower diagram) with the present training device 1.
  • Fig. 8 shows a bar graph of the Reproduzierlessindexes RI described above, for a set of ten golf ⁇ proposals prior to use of the training apparatus 1 (bar a) and after use of the training apparatus 1 (bar b), from which the training success can be clearly seen.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Golf Clubs (AREA)

Abstract

L'invention concerne un dispositif (1) d'entraînement aux mouvements d'élan d'un club de golf (2), le dispositif comprenant un appareil d'entraînement (3) pouvant être disposé sur le sol et au moins un capteur (6) servant à détecter la tête (7) du club de golf (2) pendant un mouvement d'élan, dans lequel un dispositif de fixation (4) servant à fixer de manière amovible une balle de golf (5) et un dispositif de commande (8) servant à actionner le dispositif de fixation (4) sont prévus, ledit au moins un capteur (6) est disposé de manière à détecter la tête de club (7) avant l'impact sur la balle de golf (5), et le dispositif de commande (8) est relié audit au moins un capteur (6) et conçu, lors de la détection de la tête de club (7) avant l'impact sur la balle de golf (5), pour libérer la fixation de la balle de golf (5) de manière imperceptible par l'utilisateur pendant une durée (t) qui est inférieure au temps de réaction (treac) d'une personne, de sorte que la balle de golf (5) libre puisse être décrochée, ou pour la maintenir fixée, de sorte que la tête de club (7) heurte la balle de golf (5) fixée.
PCT/AT2017/060177 2016-07-18 2017-07-18 Dispositif d'entraînement aux mouvements d'élan d'un club de golf WO2018014059A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50642/2016A AT518936A1 (de) 2016-07-18 2016-07-18 Vorrichtung zum Trainieren von Schlagbewegungen mit einem Golfschläger
ATA50642/2016 2016-07-18

Publications (1)

Publication Number Publication Date
WO2018014059A1 true WO2018014059A1 (fr) 2018-01-25

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AT (1) AT518936A1 (fr)
WO (1) WO2018014059A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005023380A1 (fr) * 2003-09-03 2005-03-17 Christian Marquardt Dispositif de placement de balle destine notamment a un appareil de lancer ou d'entrainement au golf
WO2007136223A1 (fr) * 2006-05-23 2007-11-29 Nam Byung-Ryul Machine d'entraînement à l'élan de golf
US20150051020A1 (en) * 2013-08-15 2015-02-19 Elwha, Llc Active golf tee
US20150051019A1 (en) * 2013-08-15 2015-02-19 Elwha, Llc Active golf tee

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005094949A1 (fr) * 2004-03-26 2005-10-13 Science & Motion Gmbh Capteur de position et procede d'analyse de mouvement
KR101180074B1 (ko) * 2010-04-19 2012-09-05 성장연 골프의 헤드업 교정 장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005023380A1 (fr) * 2003-09-03 2005-03-17 Christian Marquardt Dispositif de placement de balle destine notamment a un appareil de lancer ou d'entrainement au golf
WO2007136223A1 (fr) * 2006-05-23 2007-11-29 Nam Byung-Ryul Machine d'entraînement à l'élan de golf
US20150051020A1 (en) * 2013-08-15 2015-02-19 Elwha, Llc Active golf tee
US20150051019A1 (en) * 2013-08-15 2015-02-19 Elwha, Llc Active golf tee

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