WO2018070213A1 - Corps de noyau de balle équipé d'un capteur - Google Patents

Corps de noyau de balle équipé d'un capteur Download PDF

Info

Publication number
WO2018070213A1
WO2018070213A1 PCT/JP2017/034257 JP2017034257W WO2018070213A1 WO 2018070213 A1 WO2018070213 A1 WO 2018070213A1 JP 2017034257 W JP2017034257 W JP 2017034257W WO 2018070213 A1 WO2018070213 A1 WO 2018070213A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensor
core body
ball
functional component
circuit board
Prior art date
Application number
PCT/JP2017/034257
Other languages
English (en)
Japanese (ja)
Inventor
剛史 野口
東一 奥野
政治 礒部
Original Assignee
アルプス電気株式会社
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 アルプス電気株式会社 filed Critical アルプス電気株式会社
Publication of WO2018070213A1 publication Critical patent/WO2018070213A1/fr

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B43/00Balls with special arrangements
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00Training appliances or apparatus for special sports

Definitions

  • the present invention relates to a ball core body with a sensor, and more particularly to a ball core body with a sensor incorporated in a ball for ball games such as baseball.
  • FIG. 7 is a cross-sectional view showing the structure of basketball 900.
  • circuit electronics 1318 is arranged in the center of basketball 900.
  • the circuit electronics 1318 is configured to transmit one or more signals to indicate where the basketball 900 itself is located, motion, speed, acceleration, rotation, and temperature. That is, a circuit board is mounted in the circuit electronics 1318.
  • sensors such as a pressure sensor, an optical sensor, a magnetometer as a geomagnetic sensor, an accelerometer as an acceleration sensor, a signal transmitter And circuit components for this purpose are mounted.
  • the basketball detection system determines whether or not a shot of the basketball 900 is scored based on a signal received from at least one sensor located in the basketball 900.
  • the basketball sensing system allows players to track their performance to distinguish between successful and unsuccessful shot characteristics and, in some embodiments, compare their performance to other players' personal goals or performances. Enable. With such a basketball and training system, players can improve their basketball shooting skills.
  • the present invention has been made in view of such a state of the art, and an object thereof is to provide a ball core body with a sensor from which an accurate measurement result can be obtained.
  • a ball core body with a sensor is a ball core body with a sensor incorporated in a ball for ball games, and includes a case having a spherical shape, a first functional component, A bi-functional component, a circuit board, and a button battery, wherein the first functional component, the second functional component, and the circuit board are integrally connected by a flexible wiring board; Is bent and disposed in the case.
  • the ball core body with a sensor configured in this way is formed in a spherical shape because the first functional component, the second functional component, and the circuit board are integrally connected by a flexible wiring board and bent. Each component can be easily arranged at an appropriate position in the case. Therefore, an accurate measurement result can be obtained.
  • the button battery is disposed in the center of the case, and a plurality of electronic components are mounted on one surface of the circuit board, and the button battery is mounted on the circuit board.
  • the first functional component mounted on the other surface is disposed on the inner wall of the case facing the surface of the circuit board, and the second functional component is opposite to the first functional component. It is characterized by being arranged on the inner wall of the case on the side.
  • the first functional component and the second functional component are arranged on the inner walls of the case facing each other, and the button cell having the largest mass is arranged in the center of the case. Therefore, it is possible to perform component placement with a balanced weight.
  • the electronic device includes a first wireless communication unit, the first functional component is a first antenna for the first wireless communication unit, and the first antenna is on the electronic component side.
  • the second functional component is a geomagnetic sensor for measuring a change in the rotation axis of the ball and the number of rotations, and the geomagnetic sensor is separated from the button battery. It has the characteristic of being arranged.
  • the geomagnetic sensor as the second functional component is arranged away from the button battery, which is a wide metal body, so that it is difficult to be affected by the metal body. it can. Therefore, an accurate measurement result by the geomagnetic sensor can be obtained.
  • an acceleration sensor and an angular velocity sensor are arranged in the center of the one surface of the circuit board.
  • the sensor-equipped ball core body configured as described above has the angular velocity sensor and the acceleration sensor arranged at the center of the circuit board, it can be made less susceptible to the centrifugal force on the angular velocity sensor and the acceleration sensor. Therefore, accurate measurement results by the acceleration sensor and the angular velocity sensor can be obtained.
  • a second wireless communication unit and a second antenna for the second wireless communication unit are provided, and the second antenna is integrally connected to the circuit board by the wiring board. And the circuit board and the second antenna are arranged so as to sandwich the button battery.
  • the circuit board and the second antenna are arranged so as to sandwich the button battery, so that the second antenna and the first antenna on the circuit board side are arranged. They are shielded by button cells and do not affect each other.
  • the second wireless communication unit has a short-range wireless communication function
  • the first wireless communication unit has a wireless communication function with a longer communication distance than the second wireless communication unit.
  • the ball core body with a sensor configured as described above includes the first wireless communication unit and the second wireless communication unit, the internal data can be transmitted to the outside by the first wireless communication unit. At the same time, the second wireless communication unit can restart the system.
  • the first functional component, the second functional component, and the circuit board are integrally connected by a flexible wiring board, and are bent and arranged. It is possible to easily arrange each component at an appropriate position inside. Therefore, an accurate measurement result can be obtained.
  • FIG. 1 It is a perspective view which shows the core body for balls with a sensor in embodiment of this invention. It is a top view of the core body for balls with a sensor. It is a schematic diagram which shows the structure on a wiring board. It is a cross-sectional perspective view of a core body main body. It is sectional drawing of the core body for balls with a sensor. It is a disassembled perspective view which shows the relationship between a core body main body and a case, and the relationship between a core body for balls with a sensor, and an elastic member. It is sectional drawing which shows the structure of the basketball which concerns on a prior art example.
  • the sensor-equipped ball core body 100 is incorporated in a ball game ball and is used for training a player who performs a ball game. In particular, it was developed by a baseball pitcher to know how the thrown ball rotates and how the rotation changes the trajectory of the ball.
  • the use of the ball core body with a sensor of the present invention is not limited to the embodiment described below, and can be appropriately changed.
  • the right side, the left side, the rear side, the front side, the upper side, and the lower side may be described in the description for each drawing. This indicates the -X side, + Y side, -Y side, + Z side, and -Z side, and does not limit the installation direction of the product or the direction during use.
  • FIG. 1 is a perspective view showing a ball core body 100 with a sensor according to an embodiment of the present invention
  • FIG. 2 is a plan view of the ball core body 100 with a sensor
  • FIG. 3 is a schematic diagram showing a configuration on the wiring board 50.
  • the case 60 is displayed as being transparent.
  • the ball core body with sensor 100 includes a core body main body 90 and a case 60, and the ball core body main body 90 includes the button battery 45 and flexible wiring. It is comprised with the board
  • FIG. 1 the ball core body with sensor 100 includes a core body main body 90 and a case 60, and the ball core body main body 90 includes the button battery 45 and flexible wiring. It is comprised with the board
  • the case 60 is made of a polycarbonate resin.
  • the case 60 has a spherical shape so that a thread can be easily wound in the manufacturing process of a baseball, and the core body 90 including the wiring board 50 and the button battery 45 is accommodated in the case 60.
  • the case 60 in which the core body main body 90 is accommodated is accommodated in a baseball ball while being accommodated in an elastic member 70 having a spherical shape.
  • the button battery 45 is disposed in the center of the case 60 and is used as a power source for the ball core body 100 with a sensor.
  • the button battery 45 has a disk shape whose surface is a metal body, and has the heaviest mass compared to all other components.
  • the wiring substrate 50 is generally called a rigid flexible substrate, and is formed of a plurality of flexible portions 51 having flexibility and a plurality of rigid portions 53 having rigidity, as shown in FIG. As shown in FIG. 1, the rigid portion 53 of the wiring board 50 is formed thicker than the flexible portion 51.
  • the flexible portion 51 includes a first flexible portion 51a having a long rectangular shape, a second flexible portion 51b having a short rectangular shape, and a third flexible portion 51c having a short rectangular shape.
  • the plurality of rigid portions 53 include a first rigid portion 53a having a substantially circular shape in plan view, a second rigid portion 53b having a substantially circular shape in plan view, and a plan view.
  • the third rigid portion 53c having a substantially square shape is composed of three portions.
  • the first rigid portion 53a is connected between the first flexible portion 51a and the second flexible portion 51b
  • the second rigid portion 53b is connected between the second flexible portion 51b and the third flexible portion 51c.
  • the third rigid portion 53c is connected to the end of the third flexible portion 51c.
  • the 1st antenna 11a which is the 1st functional component 11 is formed in the 1st flexible part 51a of the flexible part 51 along the longitudinal direction of the 1st flexible part 51a.
  • the first rigid portion 53a of the rigid portion 53 is the circuit board 40
  • the second rigid portion 53b is formed with the second antenna 21, and the third rigid portion 53c is provided with the second function.
  • the first antenna 11 a that is the first functional component 11, the circuit board 40, the second antenna 21, and the geomagnetic sensor 31 c that is the second functional component 32 are formed by the flexible portion 51 having flexibility to form the wiring board 50. Connected together.
  • the geomagnetic sensor 31c and the second antenna 21 are provided on the surface of the rigid portion 53 on the same side as the one substrate surface 41a side of the circuit board 40, but the first antenna 11a is provided on one side of the circuit board 40. It is provided on the surface of the flexible part 51 on the side opposite to the substrate surface 41a side.
  • a plurality of electronic components 30 are mounted on one substrate surface 41 a (upper surface) of the substrate surfaces 41 of the circuit substrate 40 that is a part of the wiring substrate 50. Yes.
  • the button battery 45 described above is mounted on the other substrate surface 41 b (lower surface) of the substrate surfaces 41 of the circuit substrate 40.
  • the button battery 45 is provided with two electrodes 45a including a plus electrode and a minus electrode, and the two electrodes 45a are electrically and mechanically connected to the circuit board 40 by solder.
  • a double-sided adhesive tape 43 is attached between the upper surface of the button battery 45 and the other substrate surface 41 b of the circuit board 40, and the circuit board 40 is bonded and fixed to the button battery 45.
  • the measurement component 31 including the acceleration sensor 31 a and the angular velocity sensor 31 b is mounted at the center of the one board surface 41 a of the circuit board 40.
  • the acceleration sensor 31a and the angular velocity sensor 31b are housed in one package.
  • a memory component 37 is mounted on one board surface 41 a of the circuit board 40.
  • the acceleration sensor 31a can detect the stationary state of the baseball.
  • the angular velocity sensor 31b can detect the movement of the ball. Since the acceleration sensor 31a and the angular velocity sensor 31b are not affected by a metal body, even if the button battery 45 that is a metal body is in the vicinity, measurement can be performed without any problem. Moreover, since the acceleration sensor 31a and the angular velocity sensor 31b are mounted in the center of one board surface 41a of the circuit board 40, it is hard to receive a centrifugal force and can measure correctly.
  • the measurement component 31 mounted on the ball core body with sensor 100 there is a geomagnetic sensor 31c mounted on the third rigid portion 53 of the wiring board 50 described above, in addition to the acceleration sensor 31a and the angular velocity sensor 31b.
  • the geomagnetic sensor 31c can detect changes in the rotation speed and rotation axis (rotation direction) of the ball.
  • the acceleration sensor 31a By having the acceleration sensor 31a, the angular velocity sensor 31b, and the geomagnetic sensor 31c as the measuring component 31, how the earth axis of the ball itself rotates from the start of the pitcher's pitching operation until it is caught by the catcher. It is possible to detect whether or not
  • the start of the pitcher's pitching operation described above can be detected by the angular velocity sensor 31b.
  • the angular velocity sensor 31b Normally, when the ball is moving even a little, the angular velocity sensor 31b outputs at least some detection value.
  • the detection value of the angular velocity sensor 31b Is below a predetermined value. Therefore, it can be determined that the pitcher's pitching operation starts when the detected value of the angular velocity sensor 31b becomes equal to or less than the predetermined value. Therefore, the position of the ball at this time becomes the reference position for measurement.
  • the acceleration sensor 31a may be used in combination for the determination of the reference position.
  • the first wireless communication circuit 13 and the second wireless communication unit that form the first wireless communication unit 10 are provided on one substrate surface 41 a (upper surface) of the circuit board 40.
  • the first wireless communication electronic component 35a and the second wireless communication electronic component 35b used in the first wireless communication circuit 13 and the second wireless communication circuit 23 are formed.
  • a communication electronic component 35 is mounted.
  • the first wireless communication unit 10 has a wireless communication function called Bluetooth (registered trademark), and includes the first wireless communication circuit 13 and the first antenna 11a described above, and can communicate with the outside. Is set to Therefore, data of measurement results obtained by the acceleration sensor 31a, the angular velocity sensor 31b, and the geomagnetic sensor 31c described above can be transmitted to the outside.
  • Bluetooth registered trademark
  • the second wireless communication unit 20 has a near field wireless communication function called NFC (Near Field Radio Radio Communication), which has a short communication distance than the communication distance of the first wireless communication unit 10 described above.
  • NFC Near Field Radio Radio Communication
  • the circuit 23 and the second antenna 21 described above are included. NFC is used when the system needs to be reset.
  • FIG. 4 is a cross-sectional perspective view of the core body main body 90 with the case 60 removed, as viewed from the line AA in FIG. 2.
  • FIG. 5 is a cross-sectional perspective view of the ball core body 100 with a sensor. It is sectional drawing seen from the A line.
  • the first antenna 11 a for the first wireless communication unit 10, which is the first functional component 11, is on the upper side (+ Z side) of the first flexible part 51 a of the wiring board 50.
  • the geomagnetic sensor 31c, which is the second functional component 32, is mounted on the upper side (+ Z side) of the third rigid portion 53c of the wiring board 50.
  • the circuit board 40 is formed on the first rigid part 53a of the wiring board 50, and the second antenna 21 is formed on the lower side ( ⁇ Z side) of the second rigid part 53b of the wiring board 50.
  • the first antenna 11a which is the first functional component 11, the circuit board 40, the second antenna 21, and the geomagnetic sensor 31c, which is the second functional component 32, are integrally connected by the wiring board 50.
  • FIG. the wiring board 50 is bent at one end of the first flexible portion 51a of the flexible portion 51, both ends of the second flexible portion 51b, and one end of the third flexible portion 51c.
  • the button battery 45 is disposed in the case 60 around the center.
  • the first flexible part 51 a, the second flexible part 51 b, and the third flexible part 51 c of the flexible part 51 are in contact with the inner wall 61 of the case 60.
  • the first antenna 11a which is the first functional component 11 is disposed so as to stick to the upper inner wall 61 of the case 60 facing the one substrate surface 41a of the circuit board 40, and the second functional component.
  • the geomagnetic sensor 31 c which is 32, is disposed so as to stick to the lower inner wall 61 of the case 60 opposite to the first functional component 11. Therefore, the first functional component 11 and the second functional component 32 are arranged on the inner walls 61 facing each other.
  • the first antenna 11a which is the first functional component 11
  • the geomagnetic sensor 31c which is the second functional component 32
  • the button battery 45 is spaced apart.
  • the double-sided adhesive tape 43 is attached between the upper surface of the button battery 45 and the other substrate surface 41b of the circuit board 40, and the other substrate surface 41b of the circuit board 40 is connected to the button.
  • the battery 45 is adhered and fixed. That is, the first rigid portion 53 a of the plurality of rigid portions 53 of the wiring board 50 is bonded to the button battery 45.
  • the second antenna 21 is integrally connected to the circuit board 40 by the wiring board 50, and the circuit board 40 and the second antenna 21 are disposed so as to hold the button battery 45 therebetween. Between the button battery 45 and the second antenna 21, a magnetic sheet (not shown) is pasted on the battery side in order to make the second antenna 21 less susceptible to the button battery 45 being a metal body, and A predetermined interval is provided. At this interval, a rib 63 extending from the inner wall 61 of the case 60 is formed.
  • FIG. 6A is an exploded perspective view showing the relationship between the core body 90 and the case 60
  • FIG. 6B is an exploded perspective view showing the relationship between the ball core body with sensor 100 and the elastic member 70.
  • FIG. It is.
  • the case 60 is composed of two parts, a hemispherical first case 60a and a hemispherical second case 60b.
  • the core body for a ball with sensor 100 is formed by sandwiching the core body main body 90 between the hemispherical first case 60a and the hemispherical second case 60b.
  • the elastic member 70 includes a hemispherical first elastic member 70a and a hemispherical second elastic member 70b.
  • the ball core body with sensor 100 is accommodated in the elastic member 70 by sandwiching the ball core body with sensor 100 between the hemispherical first elastic member 70a and the hemispherical second elastic member 70b. Thereafter, the first elastic member 70a and the second elastic member 70b are bonded together by a bonding agent (not shown).
  • the first elastic member 70a and the second elastic member 70b are formed of an elastomer resin.
  • the ball core body 100 with a sensor housed in the elastic member 70 is then wound around with a thread such as wool and wrapped with cowhide, thereby completing a ball with a sensor for baseball.
  • the mass of the sensor-equipped ball core body 100 is set to the same mass as the mass of the ball core body incorporated in a normal baseball ball that does not incorporate a commonly used sensor.
  • the first functional component 11, the second functional component 32, and the circuit board 40 are integrally connected by a flexible wiring board 50, and are bent and arranged. Each component can be easily arranged at an appropriate position in the case 60. Therefore, an accurate measurement result can be obtained.
  • first functional component 11 and the second functional component 32 are disposed on the inner wall 61 of the case 60 facing each other, and the button cell 45 having the largest mass is disposed in the center of the case 60, a weight balance can be achieved. Component placement can be performed.
  • the geomagnetic sensor 31c which is the second functional component 32, is arranged away from the plurality of electronic components 30 and the first antenna 11a for the first wireless communication unit 10, and away from the button battery 45, which is a wide metal body. Therefore, it can be made difficult to be influenced by other parts and metal bodies. Therefore, an accurate measurement result by the geomagnetic sensor 31c can be obtained.
  • the angular velocity sensor 31b and the acceleration sensor 31a are arranged in the center of the circuit board 40, it is possible to make it less susceptible to the centrifugal force on the angular velocity sensor 31b and the acceleration sensor 31a. Therefore, accurate measurement results by the acceleration sensor and the angular velocity sensor can be obtained.
  • circuit board 40 and the second antenna 21 are arranged so as to sandwich the button battery 45, the second antenna 21 and the first antenna 11a on the circuit board 40 side are shielded by the button battery 45. , Each does not affect each other.
  • wireless communication part 20 since it has the 1st radio
  • the first functional component, the second functional component, and the circuit board are integrally connected by the flexible wiring board, and are arranged by being bent.
  • each component can be easily arranged at an appropriate position in the spherical case. Therefore, an accurate measurement result can be obtained.
  • the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention.
  • the sensor-equipped ball core body 100 has been described as being incorporated in a ball with a sensor for baseball, it is incorporated in a ball with a sensor for other ball games, such as a softball or a handball. May be.

Abstract

Le problème décrit par la présente invention est de fournir un corps de noyau de balle équipé d'un capteur, à partir duquel des résultats de mesure précis peuvent être obtenus. La solution selon l'invention porte sur un corps de noyau de balle équipé d'un capteur (100) devant être intégré dans une balle pour un jeu de balle. Le corps de noyau de balle équipé d'un capteur est pourvu d'un boîtier de forme sphérique (60), d'un premier composant fonctionnel (11), d'un second composant fonctionnel (32), d'une carte de circuit imprimé (40) et d'une pile bouton (45), le premier composant fonctionnel (11), le second composant fonctionnel (32) et la carte de circuit imprimé (40) étant connectés d'un seul tenant par l'intermédiaire d'une carte de câblage souple (50), et la carte de câblage (50) étant pliée et placée dans le boîtier (60). En conséquence, les composants peuvent être facilement placés aux positions appropriées respectives dans le boîtier de forme sphérique (60), et des résultats de mesure précis peuvent être obtenus.
PCT/JP2017/034257 2016-10-14 2017-09-22 Corps de noyau de balle équipé d'un capteur WO2018070213A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016202906 2016-10-14
JP2016-202906 2016-10-14

Publications (1)

Publication Number Publication Date
WO2018070213A1 true WO2018070213A1 (fr) 2018-04-19

Family

ID=61905374

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/034257 WO2018070213A1 (fr) 2016-10-14 2017-09-22 Corps de noyau de balle équipé d'un capteur

Country Status (2)

Country Link
TW (1) TW201819002A (fr)
WO (1) WO2018070213A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800006309A1 (it) * 2018-06-14 2019-12-14 Dispositivo interattivo a percussione per applicazioni acustiche
TWI687253B (zh) * 2019-01-15 2020-03-11 國立體育大學 感測棒球

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005205072A (ja) * 2004-01-26 2005-08-04 Olympus Corp カプセル型医療装置
JP2005224420A (ja) * 2004-02-13 2005-08-25 Nitsutakusu:Kk 発光ボール
JP2011120644A (ja) * 2009-12-08 2011-06-23 Yamaha Corp 回転動作解析装置及びプログラム
JP2012058066A (ja) * 2010-09-08 2012-03-22 Shinshu Univ 球体の回転検出装置及び方法
US20160001136A1 (en) * 2012-07-02 2016-01-07 Infomotion Sports Technologies, Inc. Operations with instrumented game ball

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005205072A (ja) * 2004-01-26 2005-08-04 Olympus Corp カプセル型医療装置
JP2005224420A (ja) * 2004-02-13 2005-08-25 Nitsutakusu:Kk 発光ボール
JP2011120644A (ja) * 2009-12-08 2011-06-23 Yamaha Corp 回転動作解析装置及びプログラム
JP2012058066A (ja) * 2010-09-08 2012-03-22 Shinshu Univ 球体の回転検出装置及び方法
US20160001136A1 (en) * 2012-07-02 2016-01-07 Infomotion Sports Technologies, Inc. Operations with instrumented game ball

Also Published As

Publication number Publication date
TW201819002A (zh) 2018-06-01

Similar Documents

Publication Publication Date Title
US20220062716A1 (en) Smart ball and locator system
JP4773519B2 (ja) 可動ゲームデバイスの回転数を測定するためのデバイスおよび方法
JP5926605B2 (ja) ゴルフクラブ
JPH09215808A (ja) スイング型運動用具の練習装置及びスイング型運動用具
JP6260616B2 (ja) センサ装置
WO2005118086A1 (fr) Dispositif de diagnostic d'elan utilise dans des sports a balle
US20090004945A1 (en) Flying disc training device
KR20170104672A (ko) 골프 클럽들 및 골프 클럽 헤드들
US20170189768A1 (en) Toy football with wireless connectivity
WO2013190722A1 (fr) Appareil électronique
WO2018118926A1 (fr) Dispositif, procédé d'entraînement au swing et système associé
WO2018070213A1 (fr) Corps de noyau de balle équipé d'un capteur
US20170007881A1 (en) Position method and apparatus
US10099102B1 (en) Athletic sensor system
JP2016220904A (ja) 挙動算出システム、移動体、算出装置及び算出プログラム
WO2015051753A1 (fr) Jouet à rebond
JP7203537B2 (ja) センサボール及びセンサモジュール
WO2018070214A1 (fr) Corps de noyau pour balles équipées de capteurs
EP3280500B1 (fr) Système de comptage de scores dans un match de sport
JP6327792B2 (ja) ゴルフクラブ、及びこれに取付けられるセンサユニット
GB2538496A (en) Smart sports equipment
US20210354024A1 (en) Combined digital scorekeeper and vibration dampener
TWI649112B (zh) Power start system
TWI632941B (zh) Smart golf club head
KR101644502B1 (ko) 골프공

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17859476

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17859476

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP