WO2009108708A2 - Article de sport à retour d’informations - Google Patents

Article de sport à retour d’informations Download PDF

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Publication number
WO2009108708A2
WO2009108708A2 PCT/US2009/035155 US2009035155W WO2009108708A2 WO 2009108708 A2 WO2009108708 A2 WO 2009108708A2 US 2009035155 W US2009035155 W US 2009035155W WO 2009108708 A2 WO2009108708 A2 WO 2009108708A2
Authority
WO
WIPO (PCT)
Prior art keywords
impact
feedback
sensor
housing
item
Prior art date
Application number
PCT/US2009/035155
Other languages
English (en)
Other versions
WO2009108708A3 (fr
Inventor
Dewey Chauvin
William B. Giannetti
Ian Montgomery
Original Assignee
Easton Sports, Inc.
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 Easton Sports, Inc. filed Critical Easton Sports, Inc.
Priority to AU2009219320A priority Critical patent/AU2009219320A1/en
Priority to CN2009801067576A priority patent/CN101965214A/zh
Priority to CA2716584A priority patent/CA2716584A1/fr
Priority to JP2010548844A priority patent/JP2011512952A/ja
Publication of WO2009108708A2 publication Critical patent/WO2009108708A2/fr
Publication of WO2009108708A3 publication Critical patent/WO2009108708A3/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/46—Measurement devices associated with golf clubs, bats, rackets or the like for measuring physical parameters relating to sporting activity, e.g. baseball bats with impact indicators or bracelets for measuring the golf swing
    • 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
    • A63B69/0002—Training appliances or apparatus for special sports for baseball
    • 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
    • A63B69/0002—Training appliances or apparatus for special sports for baseball
    • A63B2069/0004—Training appliances or apparatus for special sports for baseball specially adapted for particular training aspects
    • A63B2069/0008—Training appliances or apparatus for special sports for baseball specially adapted for particular training aspects for batting
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
    • A63B71/0622—Visual, audio or audio-visual systems for entertaining, instructing or motivating the user
    • A63B2071/0625—Emitting sound, noise or music
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
    • A63B71/0622—Visual, audio or audio-visual systems for entertaining, instructing or motivating the user
    • A63B2071/0625—Emitting sound, noise or music
    • A63B2071/0627—Emitting sound, noise or music when used improperly, e.g. by giving a warning
    • 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
    • A63B2220/64—Frequency, e.g. of vibration oscillation
    • 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
    • A63B59/00—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00
    • 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
    • A63B69/0024—Training appliances or apparatus for special sports for hockey
    • A63B69/0026—Training appliances or apparatus for special sports for hockey for ice-hockey
    • 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
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/38—Training appliances or apparatus for special sports for tennis

Definitions

  • a player may be unaware, for example, that he or she consistently strikes a pitched ball with a portion of the ball bat located between the handle and the "sweet spot" of the bat barrel. While striking a ball with this portion of the bat may provide adequate performance in some circumstances, peak performance is not achieved. The player may not realize, however, that he or she is not making optimal contact. As a result, the player may never make the swing adjustments necessary to consistently strike a ball at or near the sweet spot of the bat barrel.
  • a sporting goods item such as a ball bat, includes a sensor located on or in a body of the item.
  • the sensor detects vibrations produced by an object's impact against the item. The detected vibrations are used to determine the quality or location of the impact, or other information about the impact.
  • An optical and/or audible feedback element located on or in the item visually and/or audibly provides information about the impact.
  • FIG. 1 is a perspective view of a ball bat including an optical display system, according to one embodiment.
  • Fig. 2 is a perspective view of the tapered section of the ball bat shown in Fig. 1 with a portion cutaway to expose components of the optical display system.
  • Fig. 3 is a schematic side view of a ball bat indicating the approximate locations of the nodes and the anti-node of the second mode of vibration in the ball bat.
  • the feedback systems described herein may be used in any suitable sporting good or impact object.
  • an optical or audible feedback system may be included in a ball bat, golf club, hockey stick, tennis racquet, archery bow, or other suitable item.
  • a ball bat will be used as the primary example throughout this detailed description section. It is understood, however, that the feedback systems described herein may be incorporated in any suitable sporting good or impact object.
  • a baseball or softball bat 10 hereinafter collectively referred to as a "ball bat” or “bat,” includes a handle 12, a barrel 14, and a tapered section 16 joining the handle 12 to the barrel 14.
  • the free end of the handle 12 includes a knob 18 or similar structure.
  • the barrel 14 is preferably closed off by a suitable cap 20 or plug.
  • the interior of the bat 10 is preferably hollow, allowing the bat 10 to be relatively lightweight so that ball players may generate substantial bat speed when swinging the bat 10.
  • the ball bat 10 may be a training bat, a bat constructed for use in sanctioned league play, or a toy bat or otherwise unofficial bat.
  • the ball bat 10 may be made of one or more fibrous composite, metal, wood, plastic, or other suitable materials.
  • the ball bat 10 may be a one-piece construction or may include two or more separate attached pieces (e.g., a separate handle and barrel).
  • the ball bat 10 includes an optical display system
  • the optical display system 21 may be encapsulated, embedded, or otherwise contained in a housing 23 positioned around and secured to the ball bat 10.
  • the housing 23 may be a molded plastic, rubber, or other suitable material.
  • the housing 23 may be positioned on the tapered section 16, handle 12, or any other suitable region of the ball bat 10.
  • one or more components of the optical display system 21 may be encapsulated in the bat material itself, such as in one or more fibrous composite layers of the ball bat.
  • the optical display system 21 may alternatively be attached to the ball bat 10 in any other suitable manner.
  • the ball bat 10 includes an indented region into which the housing 23 may be positioned or inserted after the body of the bat 10 is constructed.
  • the optical display system 21 may optionally be manufactured separately from the ball bat 10, and may be applied to the bat 10 during the final stages of bat manufacturing (or after manufacturing is completed).
  • the radially outer surface of the housing 23 is preferably flush, or substantially flush, with the radially outer surfaces of longitudinally neighboring regions in the ball bat 10, such that a relatively smooth transition is provided between the housing 23 and the longitudinally neighboring regions.
  • the indented region has a depth, and the housing 23 has a corresponding thickness, of approximately 0.20 to 0.25 inches. The indented region and the housing 23 may, of course, have any other suitable dimensions.
  • the housing 23 is a rubber or otherwise elastic sleeve that can be pulled or slid up from the handle end of the ball bat 10 into the indented region of the ball bat 10.
  • the housing 23 may be made of a plastic or similar material and may include an opening in the circumferential direction such that it includes two facing free ends. The free ends may be pulled away from each other such that the housing 23 can be snapped or forced into place over the indented region.
  • the free ends may optionally include complementary mating tabs or other mating elements for providing a firm engagement between the free ends after insertion of the housing 23 into the indented region.
  • the housing 23 may optionally include a living hinge or similar mechanism for allowing the free ends to be separated into an open position. After the housing 23 is positioned over the indented region of the ball bat 10, the free ends may be brought together into a closed position.
  • the optical display system 21 includes one or more sensors 22.
  • the sensor 22 may be an accelerometer or similar device that detects acceleration or velocity in the ball bat, a mode sensor trigger that detects vibrations in the ball bat, or any other suitable sensing device. Additionally or alternatively, an impact, inertia, or displacement sensing element may be used.
  • the sensor 22 preferably includes, or is electrically connected to, a processor.
  • the sensor 22 may, for example, be incorporated in a MEMS (micro electro-mechanical system) processor device or chip.
  • the sensor 22 detects vibrations in the ball bat 10, such as those produced when the bat 10 impacts a ball.
  • the use of one or more sophisticated sensors 22, such as a MEMS sensor, for example, may allow for additional or alternative measurements.
  • Hit frequency, maximum hit energy, swing velocity, and other suitable parameters, for example may be measured using one or more appropriate sensing devices. For ease of description, vibration detection will primarily be described herein.
  • the sensor 22 determines approximately where against the ball bat 10 the impact occurred. Displacement or vibrations are generally minimal at the primary nodes of vibration in the ball bat 10, for example, at the "sweet spot" of the barrel 14, which is typically at or near the center of percussion of the ball bat 10. Conversely, displacement or vibrations are generally greatest at the anti-nodes of vibration in the ball bat 10.
  • a ball impacts the ball bat 10 away from the primary nodes of vibration, a portion of the incident ball energy establishes the vibration modes of the ball bat.
  • the second mode of vibration is of particular interest, since the second mode of vibration exhibits a range of fundamental frequencies coincident with those directly felt by a batter (e.g., approximately 600 Hz).
  • Fig. 3 illustrates the deformation profile of a typical ball bat in its second mode of vibration.
  • the points where the dotted lines cross indicate the locations of the primary vibration nodes of the second mode of vibration in the ball bat 10.
  • the peaks, or farthest spaced apart points, of the dotted lines indicate the approximate longitudinal location of the anti-node of the second mode of vibration in the ball bat 10.
  • the sensor 22 is positioned at or near this location.
  • the sensor 22 is preferably electrically connected, via one or more wires or metal strips 25, to a light assembly 26, a liquid crystal display (“LCD”), or other visual display on or in (or separate from) the housing 23.
  • the sensor 22 may alternatively be wirelessly connected to the light assembly 26 via any suitable wireless connection technology.
  • the light assembly 26 may include one or more LEDs 27 ("light emitting diodes”), lamps, light bulbs, or other suitable lighting devices that are electrically connected to the sensor 22.
  • the light assembly 26 is preferably covered by a transparent (or translucent) strip 29, or enclosed within a transparent (or translucent) casing, through which the LEDs 27 may be viewed by an observer. In one embodiment, the entire housing 23 may be transparent or translucent.
  • LEDs 27 or other lights are positioned around the circumference of the tapered section 16, handle12, or barrel 14 (preferably away from the sweet spot) of the ball bat 10. Additionally or alternatively, LEDs 27 may be located in a transparent or translucent cap 20 or knob 18 on the ball bat 10. In one embodiment, LEDs 27 may be positioned in the tapered section 16, the cap 20, and the knob 20 (or the handle 12), and may be triggered simultaneously or in a predetermined sequence to provide feedback about an impact against the ball bat 10, as further described below.
  • Each of the LEDs 27 is preferably capable of illuminating in a variety of colors or intensities. Alternatively, certain LEDs 27 may illuminate in one or more colors or intensities, while other LEDs 27 may illuminate in one or more different colors or intensities. In this manner, different colors or intensities of light, or different flashing sequences, may be used to indicate different qualities or properties of impacts against the ball bat 10.
  • the sensor 22 is preferably electrically connected to a power source, such as one or more batteries 24.
  • the power source may alternatively be a piezoelectric strip, which is energized via deformation in the ball bat 10, or may be any other suitable source of power.
  • the batteries 24 may be standard AAA batteries, disc batteries, or any other suitably sized batteries.
  • the batteries 24 provide power to the sensor 22, which in turn activates the light assembly 26, as further described below.
  • the batteries are preferably removable, via an access door or panel 28, so they may be replaced after they expire.
  • the access panel 28 may be secured in place on or in the housing 23 via a screw 30, pin, latch, or other suitable mechanism.
  • the panel 28 may be hinged or may be completely removable.
  • the sensor 22 if the sensor 22 detects little or no vibration in the ball bat 10 after impact with a ball, for example, the sensor 22 signals one or more LEDs 27 to illuminate in a color (e.g., green) indicating that "good contact” or a high quality impact has occurred. If, conversely, the sensor 22 detects significant vibration after impact with a ball, the sensor 22 signals one or more LEDs 27 to illuminate in a color (e.g., red) indicating that "poor contact" or a low quality impact has occurred.
  • a color e.g., green
  • impact “quality” refers to the amount of vibration produced by the impact (with lower vibration corresponding to higher quality), or to the location of the impact relative to, or the distance of the impact from, the sweet spot (with greater distance corresponding to lower quality), or to any other useful feedback about the impact.
  • the magnitude of the displacement, velocity, or acceleration of vibrations caused by impacts at a variety of non-node locations may be calibrated against a node impact. This information may then be used to determine the approximate distance from the sweet spot (or other node) that future impacts occur against the ball bat 10.
  • a variety of colors or flashing sequences may be used to indicate varying degrees of impact quality. For example, green light may be used to indicate a sweet spot impact that produces little or no vibration; yellow light may be used to indicate an impact relatively close to the sweet spot that produces more vibration than a "green light hit;” orange light may be used to indicate an impact farther from the sweet spot that produces more vibration than a "yellow light hit;” and red light may be used to indicate an impact even farther from the sweet spot (for example, at or close to the anti-node of the second mode of vibration) that produces more vibration than an "orange light hit.” Differing colors or flashing sequences may additionally or alternatively be used to indicate whether an impact occurred between the sweet spot and the free end of the barrel, or between the sweet spot and the tapered section of the ball bat. Any desired combination of light indicators or flashing sequences may be used.
  • one or more pressure contact switches or sensors may additionally or alternatively be located on or in the ball bat 10 for determining where impact occurs against the ball bat 10.
  • the pressure contact switches are preferably electrically or wirelessly connected to the light assembly 26.
  • each pressure contact switch is configured to send, upon impact at or near the pressure contact switch's location, a signal to the light assembly 26 that causes one or more of the LEDs 27 to illuminate in a color corresponding to the location of the pressure contact switch. In this manner, different colors or intensities of light may be used to indicate impacts that occur at or near pressure contact switches positioned in a variety of locations.
  • the first pressure contact switch may send a signal to the light assembly 26 causing one or more LEDs 27 to illuminate in a green color.
  • the second pressure contact switch may send a signal to the light assembly 26 causing one or more LEDs 27 to illuminate in a red color.
  • pressure contact switches located at varying bat locations could be configured to send signals causing one or more of the LEDs 27 to illuminate in a variety of colors or flashing sequences indicative of the quality of an impact.
  • the pressure contact switches may be encapsulated in the bat material, such as in the composite layers of a fibrous composite ball bat.
  • the pressure contact switches may be embodied in a separate cover or over-wrap, which may be secured to the outside of any ball bat.
  • the pressure contact switches may be housed in a thin nylon or plastic cover including ends that mate via hook and loop material, or via any other suitable connector. In this manner, the cover may be readily removed from and attached to a ball bat, and may be used on multiple ball bats.
  • an audible response element may be used in addition to, or as an alternative to, the light assembly 26.
  • the audible response element may optionally be included in the housing 23.
  • the audio response element may be a piezoelectric speaker or any other suitable audio device.
  • the audible response element may produce a first sound when impact occurs at or near the sweet spot, and a second, different sound when impact occurs distally from the sweet spot. Any desired number of different sounds may be used to indicate different impact locations. Additionally or alternatively, the audible response element may produce varying numbers of "beeps" or other sounds to indicate different impact locations. Any other suitable audible sounds or patterns of sounds may be used to indicate different impact locations.
  • the optical display system 21 illuminates a display of words or other visual elements that indicate the quality of an impact against the ball bat 10.
  • the optical display system 21 may, for example, illuminate the words “nice hit” or “poor hit,” depending on the location of the impact relative to the sweet spot of the bat barrel 14. This may be achieved by positioning LEDs 27 or other lights behind a transparent sheet including opaque outlines of the desired letters or words, or in any other suitable manner. Any desired words or other visual indicators may be included in the optical display.
  • An optical feedback system operating substantially in the manner described above, may be included in other impact objects, as well.
  • an optical feedback system may be included in a golf club, hockey stick, archery bow, or other suitable object.
  • a sensor may be embedded or otherwise secured in the club head or shaft for detecting vibrations in the club head produced by an impact against the club head. Other swing or impact parameters may additionally or alternatively be measured, as described above.
  • the power source may be embedded or otherwise secured in the club head or shaft, while a light system or other visual display may be included on a top surface of the club head or in any other suitable location.
  • a sensor may be embedded or otherwise secured in the blade or stick shaft for detecting vibrations in the blade produced by an impact against the blade. Other swing or impact parameters may additionally or alternatively be measured, as described above.
  • the power source may be embedded or otherwise secured in the blade or the stick shaft, while a light system or other visual display may be included on a top surface of the blade or in any other suitable location.
  • a sensor In an archery bow, a sensor may be embedded or otherwise secured in the bow to detect the displacement energy produced by an arrow release.
  • the power source may be embedded or otherwise secured in any suitable location of the bow.
  • the light system or other visual display may be located in the riser of the bow between the sites and the limb, or in a transparent arrow guide, or in any other suitable location.

Abstract

L’invention concerne un article de sport, tel qu’une batte, comportant un capteur situé sur un corps de l’article ou à l’intérieur de celui-ci. Le capteur détecte les vibrations produites par l’impact d’un objet sur l’article. Les vibrations détectées sont utilisées pour établir la qualité ou la position de l’impact, ou d’autres informations relatives à l’impact. Un élément de retour d’informations optique ou audible situé sur l’article ou à l’intérieur de celui-ci produit sous forme audible ou visuelle des informations concernant l’impact.
PCT/US2009/035155 2008-02-28 2009-02-25 Article de sport à retour d’informations WO2009108708A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2009219320A AU2009219320A1 (en) 2008-02-28 2009-02-25 Feedback-providing sporting goods item
CN2009801067576A CN101965214A (zh) 2008-02-28 2009-02-25 提供反馈的运动器材产品
CA2716584A CA2716584A1 (fr) 2008-02-28 2009-02-25 Article de sport a retour d'informations
JP2010548844A JP2011512952A (ja) 2008-02-28 2009-02-25 フィードバックを供給するスポーツ用品

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/039,023 US20090221388A1 (en) 2008-02-28 2008-02-28 Feedback-providing sporting goods item
US12/039,023 2008-02-28

Publications (2)

Publication Number Publication Date
WO2009108708A2 true WO2009108708A2 (fr) 2009-09-03
WO2009108708A3 WO2009108708A3 (fr) 2009-12-30

Family

ID=41013627

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/035155 WO2009108708A2 (fr) 2008-02-28 2009-02-25 Article de sport à retour d’informations

Country Status (7)

Country Link
US (1) US20090221388A1 (fr)
JP (1) JP2011512952A (fr)
CN (1) CN101965214A (fr)
AU (1) AU2009219320A1 (fr)
CA (1) CA2716584A1 (fr)
TW (1) TW200948426A (fr)
WO (1) WO2009108708A2 (fr)

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JPWO2013069447A1 (ja) * 2011-11-08 2015-04-02 ソニー株式会社 センサ装置、解析装置および記憶媒体
US11717733B2 (en) 2020-03-10 2023-08-08 Brian Carr Identifying the sweet spot of a bat

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AU2009219320A1 (en) 2009-09-03
WO2009108708A3 (fr) 2009-12-30
CN101965214A (zh) 2011-02-02

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