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WO2008015465A1 - Article destiné à réaliser des exercices - Google Patents

Article destiné à réaliser des exercices Download PDF

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Publication number
WO2008015465A1
WO2008015465A1 PCT/GB2007/003006 GB2007003006W WO2008015465A1 WO 2008015465 A1 WO2008015465 A1 WO 2008015465A1 GB 2007003006 W GB2007003006 W GB 2007003006W WO 2008015465 A1 WO2008015465 A1 WO 2008015465A1
Authority
WO
WIPO (PCT)
Prior art keywords
exercise
article according
exercise article
motion
ball
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/GB2007/003006
Other languages
English (en)
Inventor
Paramjit Singh Sangha
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2008015465A1 publication Critical patent/WO2008015465A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B43/00—Balls with special arrangements
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B65/00—Implements for throwing  ; Mechanical projectors, e.g. using spring force
    • 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
    • A63B2220/17—Counting, e.g. counting periodical movements, revolutions or cycles, or including further data processing to determine distances or speed
    • 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
    • A63B2220/83—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
    • 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
    • A63B2225/54—Transponders, e.g. RFID
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2243/00—Specific ball sports not provided for in A63B2102/00 - A63B2102/38
    • A63B2243/0025—Football

Definitions

  • the present invention relates to a human-propelled projectile, such as a ball, for use in human exercise and play.
  • the gaming consoles are so popular because the games are so addictive and interesting to the young in that the games incorporate the user experience and the player is directly involved in the action.
  • US - A - 5779576 describes a throw-measuring American football having an ellipsoidal shape and a tail fin to stabilise the flight of the ball
  • a single-axis accelerometer is provided inside the football positioned at a specific angle, and the distance travelled by the ball is determined by measuring the initial velocity and the time of flight of the ball, the whole calculation being initiated by the release of a switch which is kept in a depressed position before the throw.
  • the primary purpose of this ball is to assist the training of American football players. If a throw is of too steep a nature, it is then beyond the scope of use and provides a message of "LOB" back to the user.
  • the mathematics used to calculate trajectory information of speed and distance is of a simple nature as the attachment of a fin reduces spin, which would confuse the output of the single- accelerometer and the input to the processor for calculation.
  • US - A - 4577865 describes an athletic ball containing a pressure sensor and a display 20 device.
  • the sensor detects the pressure pulse inside the ball when it strikes a surface. The number of such impacts is displayed.
  • the present invention is concerned with providing a gaming instance where the player experiences the user involvement and is fully and directly involved in the playing instance.
  • the present invention provides a human propelled projectile in the form of an exercise article as claimed in claim 1.
  • the motion detector is a 3-axis accelerometer.
  • motion detector refers to any detector capable of detecting any movement of an article including acceleration and deceleration and moment.
  • the human-propelled projectile is a ball.
  • the ball is preferably substantially spherical.
  • the diameter of the ball is typically about 5cm to about
  • the weight of the projectile is typically from about 10Og to about 1kg.
  • the 3-axis accelerometers and the system controller are enclosed in cushioned pockets inside the projectile.
  • the projectile may be filled with a fibrous or foam cushioning material.
  • the projectile may be tethered by a string, but more usually it is free to be thrown or struck in any direction.
  • the three-axis accelerometers may suitably be micro-electro-mechanical (MEMS) accelerometers. These are solid-state devices that measure the changes in capacitance caused by the relative movement of moving and fixed structures created in a silicon substrate using wafer processing techniques.
  • MEMS micro-electro-mechanical
  • the accelerometers typically comprise an interface chip that generates a digital output, typically a serial digital output.
  • the devices are commercially available, for example from STMicroelectronjcs.
  • the accelerometers there are at least two of the three-axis accelerometers, positioned at different locations within the projectile.
  • the optimum location for the accelerometers is directly opposite each other on a line through the centre of mass of the projectile.
  • the accelerometers in this configuration are equidistant from the centre of mass. It can be shown that, even with two 3-axis accelerometers positioned at two locations within the projectile it is not possible uniquely to determine the force and moment on the body. However, provided that the motion does not impart too much spin in relation to the sampling frequency of the accelerometers, it is possible to calculate the trajectory parameters with reasonable accuracy using just two accelerometers. A larger number of accelerometers, for example four or six accelerometers, can be used for greater accuracy.
  • the orientation of the accelerometers is not important but the initial moment of inertia tensor of the object should be symmetrical. To achieve this, small counterweights could be placed in the ball.
  • the sampling frequency is suitably from about 100Hz to about 2.5 kHz, which is the maximum frequency for the accelerometer's z-channel. Sampling accuracy is typically 16-bits over the full-scale deflection of the accelerometers.
  • the information about the motion of the projectile comprises one or more of the following parameters in one or more combinations: maximum speed, attainment of minimum heights or distances thrown or number of throws during a given time period, mean speed, distance travelled (total distance and/or horizontal distance), position, maximum height attained, mean frequency of bounces, total number of bounces, spin frequency, kinetic energy expended, mean frequency of projections and total number of projections.
  • maximum speed attainment of minimum heights or distances thrown or number of throws during a given time period
  • mean speed distance travelled (total distance and/or horizontal distance)
  • position maximum height attained
  • mean frequency of bounces total number of bounces
  • spin frequency spin frequency
  • kinetic energy expended mean frequency of projections and total number of projections.
  • the signal processor must include a clock circuit so that acceleration can integrated over time to determine velocity and position values.
  • the clock will be started and stopped (either automatically or by the user) at the start and end of an exercise program, and the parameters achieved can then be displayed.
  • the projectile further comprises a display positioned to be visible from the exterior of the projectile.
  • the display is adapted to display one or more of the said parameters of motion.
  • the different parameters may displayed simultaneously, but more usually the different parameters are displayed individually in response to display commands entered through soft-key programming using one or more input keys associated with the display.
  • the programming may be carried out wholly or in part by mechanical actuation of the projectile. For example, the user could scroll through a menu by flipping or tapping the projectile.
  • the display may be located inside the projectile, at a protected or cushioned location accessible by opening the projectile (for example by opening a reclosable fastener on the projectile) after the exercise program.
  • the same or different data port can be used for uploading exercise parameter thresholds as discussed below.
  • communication with the projectile can be by wireless connectivity such as Bluetooth (registered trade mark) for transferring data between the projectile and a computer or mobile phone.
  • the projectile further comprises an alarm which may be activated by the system controller in the course of an exercise program when one or more of the parameters of motion falls below a respective predetermined threshold.
  • the alarm may for example comprise a light (typically a light-emitting diode), or an audible alarm produced by a sound emitter, or a prerecorded or computer generated synthetic voice. This enables the user to determine if they are achieving an exercise regime defined by the predetermined thresholds. For example, the alarm may be activated if the article is not being thrown high enough, or not being thrown, bounced or struck with sufficient frequency.
  • the predetermined thresholds may be fixed. However, preferably the user can define the threshold values of the parameters of motion so as to customise their exercise program. Accordingly, the projectile preferably further comprises an input device for inputting said predetermined threshold in respect of one or more of said parameters.
  • the input device may, for example, comprise one or more keys associated with the display and programmable in conventional soft-key programming fashion to customise the thresholds.
  • the input device may be mechanically actuated by flipping, shaking or tapping the projectile as hereinbefore described.
  • the article further comprises automatic turn-on means, which are sensitive to motion, for turning on or re-setting the system controller.
  • automatic turn-on means which are sensitive to motion, for turning on or re-setting the system controller.
  • the device is reset by shaking it a predetermined number of times.
  • the article further comprises automatic shut-off means for turning off the display after a predetermined period of immobility.
  • Figure 1 shows a top plan view of a preferred form of article in the form of a ball according to the present invention
  • Figure 2 shows a schematic cross-section through the ball of Fig. 1;
  • Figure 3 is a block circuit diagram of the circuitry of the ball
  • Figure 4 shows a block diagram of the operational features of article:
  • Figure 5A shows a diagram of the processor circuitry for the article.
  • Figure 5B shows a circuit diagram of the article.
  • the ball 1 has generally the appearance of a standard soccer ball.
  • the outer diameter of the ball is about 15cm.
  • a display e.g. liquid crystal
  • input keys 3, 4, 5, 6, LED alarm light 7 and buzzer 8. In alternative embodiments, some or all of the input keys could be omitted, and programming could be performed via the accelerometers by tapping, flipping or shaking the ball.
  • the interior of the ball 1 is filled with packing material (e.g. a closed-cell polymer foam) to provide cushioning.
  • packing material e.g. a closed-cell polymer foam
  • the accelerometers are mounted on respective, curved printed circuit boards 14,15,16,17.
  • the accelerometers are
  • a rechargeable 9-volt battery 18 is located in a central pocket in the foam and can be recharged through a socket (not shown) in the side of the ball.
  • a microprocessor based signal processor 19 is also embedded in the foam core of the ball, and is connected through suitable connectors (not shown) to the battery 18 and to the accelerometers.
  • the ball has a cushioned outer layer, typically of foam or other resilient material, and a rigid inner layer within which the electronics of the ball are housed.
  • the ball may be activated by systematic shaking, or by pressing any of the soft keys or by making a connection between diodes (the same mechanism as with exercise machines when gripping the handle enables the heartbeat to be measured). This resets the display 2. The operator can then program a preselected exercise program or exercise thresholds into the ball with the keys 3, 4, 5, 6 using conventional soft-key programming techniques.
  • the display may prompt the user to select one or more of, for example, minimum number of projections, minimum frequency of projections, minimum height, distance, speed or number/frequency of throw, mean speed, distance travelled (total distance and/or horizontal distance), position, maximum height attained, mean frequency of bounces, total number of bounces, spin frequency, kinetic energy expended, mean frequency of projections and total number of projections, and so forth.
  • the display 2 prompts the user to start the exercise regime. If the user fails to achieve the programmed parameters during the exercise regime, then alarm light 7 and buzzer 8 will indicate failure.
  • the keys can again be manipulated to read out from the display parameters such as the average projection frequency achieved, average height achieved, or any of the other parameters identified above.
  • a speaker emitting an audio alarm or digital speech may be provided as an alternative to or in addition to the buzzer 8.
  • Figure 3 shows a simple block circuit diagram of the electronics of the ball and includes a store 30 for storing information provided by the processor 19.
  • the processor 19 is programmed to power down the system when not in use in order to conserve battery power. However, this can equally be effected additionally or alternatively by suitable selection of an input key which, when pressed, causes the processor 19 to power down the system. In the absence of a power down signal from the input key, the processor 19 would normally be programmed to power the system down after a preset time during which no motion or motion below a preset limit is sensed by any of the accelerometers.
  • the processor 19 When used as an exercise article, when the ball is moved to impart an acceleration above a preselected limit, the processor 19 is programmed to power up the circuitry. Alternatively, this can be effected by pressing one of the soft keys. A main menu display is then shown on the display 2 and, as discussed above, the user then programs his desired exercise levels into the processor 19 and these are stored in the memory 30 for comparison with levels achieved during exercise movement of the ball.
  • the acceleration and deceleration levels sensed by the accelerometers are monitored by the processor 19 and compared with prestored levels which enable the processor 19 to identify the fact that the ball is being bounced and store a count of the number of bounces.
  • the processor 19 also includes a clock which allows the bounce rate to be calculated.
  • the processor 19 can trigger the alarm light 7 and/or buzzer 8 or voice activation.
  • the menu options shown on the display 2 can be changed by suitable programmed movement of the ball, for example simply by raising and lowering the ball in the user's hand or twisting the ball about a horizontal axis, left and right.
  • the accelerometers 10 to 13 will sense this movement and generate specific signals representative of the force applied to them during the movement.
  • the processor 19 compares the signals produced by each of the accelerometers with preset values or value ranges which will indicate the force/moment and thus the action being applied to the ball. Thus the processor 19 detects that the user wishes to navigate through the display screens and changes the display accordingly, depending on movement of the ball. For example, raising the ball can move the menu display up through the menu or down through the menu whilst lowering the ball has the opposite effect.
  • the display 2 may show a maze and the user navigates a ball shown on the screen through the maze by movement of the ball. This movement is detected by the accelerometers and processed by the processor 19 to move the screen ball through the maze.
  • the processor can be programmed to allow the playing of a game only once a preprogrammed exercise routine had been completed.
  • FIG. 4 of the drawings there is shown a block diagram of the possible functional operations of the article including the diagnostic interfaces, Bluetooth interface, MEMS Devices, Flash Memory, Power supply and Data/OLED. This is just an example of the article and other interfaces and operational drivers may be added as the basic concept and system are developed.
  • Figures 5A and 5B there is shown a complete circuit layout of the article.
  • Figure 5A shows the basic circuit comprising the user interface with the device
  • Figure 5B shows the circuit arrangement for the processor control system.
  • Both of the drawings are self explanatory and the operational characteristcs of the system are clearly evident to a man skilled in the art. No further specific description is needed or will be given here.
  • the following is a discussion of the mathematical background for the signal processing program. Whilst this discussion is expressed in terms of the accelerometer configuration shown in the drawings, it will be appreciated that the principles of the method are applicable to different accelerometer configurations or projectile shapes.
  • F 1 is the sum of all the forces acting on the ball. Equation 2
  • the matrix ⁇ is a function of the vector ⁇ defined by equation 23.
  • Equation 3 gives the relation between the angular velocity and angular momentum.
  • the moment of inertia tensor is defined by:
  • the inertial guidance problem is then to estimate F and M from measurements of acceleration a ; at different location y f and to use these to then integrate the equations of motion so as to know the position, and orientation of the ball at each moment in time.
  • the ball can be in different states that can be identified as follows. In each case the identification procedure operates by identifying a residual function e that must be small over a series of observations.
  • R is calculated by minimising e over the sequence thus the orientation of the ball is known.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Toys (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

L'article destiné à réaliser des exercices, tel qu'une balle, selon la présente invention comprend : un ou plusieurs accéléromètres à 3 axes ; un processeur de signaux destiné à analyser une sortie des accéléromètres afin de fournir des informations relatives à un mouvement de l'article destiné à réaliser des exercices ; et une mémoire destinée à stocker lesdites informations relatives au mouvement de l'article destiné à réaliser des exercices. L'article destiné à réaliser des exercices peut fournir une lecture des paramètres d'exercices, tels que la hauteur de lancement ou la fréquence de rebonds.
PCT/GB2007/003006 2006-08-04 2007-08-06 Article destiné à réaliser des exercices Ceased WO2008015465A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0615564.2 2006-08-04
GB0615564A GB2440510A (en) 2006-08-04 2006-08-04 Exercise article

Publications (1)

Publication Number Publication Date
WO2008015465A1 true WO2008015465A1 (fr) 2008-02-07

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PCT/GB2007/003006 Ceased WO2008015465A1 (fr) 2006-08-04 2007-08-06 Article destiné à réaliser des exercices

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GB (1) GB2440510A (fr)
WO (1) WO2008015465A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2163282A1 (fr) * 2008-09-15 2010-03-17 Keng-Hsien Lin Ballon luminescent
US9545542B2 (en) 2011-03-25 2017-01-17 May Patents Ltd. System and method for a motion sensing device which provides a visual or audible indication
WO2021148776A1 (fr) * 2020-01-20 2021-07-29 Golden Bear Products Limited Module interactif pour un jouet et jouet comprenant le module interactif
US20240139606A1 (en) * 2022-10-28 2024-05-02 Jennifer K. Roth Sound device for blind and visually impaired sports

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EP2090346B1 (fr) * 2008-02-11 2015-07-08 Nintendo Co., Ltd. Procédé et appareil pour la simulation de jeux impliquant un ballon
DE102008052215B4 (de) * 2008-10-17 2014-12-11 Cairos Technologies Ag Ball mit Magnetfeldsensor sowie Verfahren zur Messung
EP2388048A1 (fr) * 2010-05-19 2011-11-23 Francis Chung Hwa Pan Procédé de mesure de la trajectoire d'un mouvement de balle
CN101972538A (zh) * 2010-10-24 2011-02-16 西南交通大学 能够发光的排球
FR2973714A1 (fr) 2011-04-08 2012-10-12 Thomson Licensing Dispositif pour controler le deplacement d'un joueur virtuel et d'un ballon virtuel dans une application de jeu
US8690711B2 (en) 2011-04-19 2014-04-08 Nike, Inc. Data display on golf ball outer surface
CN115957488A (zh) * 2012-10-25 2023-04-14 耐克创新有限合伙公司 团队体育环境中的运动表现监测系统和方法
EP4018206A4 (fr) * 2019-08-21 2023-09-13 Seehow Pte. Ltd. Systèmes et procédés de mesure de la vitesse de déplacement angulaire par détection de champ magnétique

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US4577865A (en) 1983-06-16 1986-03-25 Molten Corporation Athletic ball
US5810685A (en) * 1996-03-07 1998-09-22 Willner; Leroy Frederick Practice ball with sound and acceleration sensor
US5779576A (en) 1996-08-20 1998-07-14 Smith Engineering Throw-measuring football
WO1999036859A1 (fr) * 1998-01-14 1999-07-22 Silicon Pie, Inc. Dispositif de mesure du temps de mouvement, de la vitesse et de la hauteur d'une trajectoire
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Cited By (36)

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Publication number Priority date Publication date Assignee Title
EP2163282A1 (fr) * 2008-09-15 2010-03-17 Keng-Hsien Lin Ballon luminescent
US11192002B2 (en) 2011-03-25 2021-12-07 May Patents Ltd. Device for displaying in response to a sensed motion
US9545542B2 (en) 2011-03-25 2017-01-17 May Patents Ltd. System and method for a motion sensing device which provides a visual or audible indication
US9592428B2 (en) 2011-03-25 2017-03-14 May Patents Ltd. System and method for a motion sensing device which provides a visual or audible indication
US9630062B2 (en) 2011-03-25 2017-04-25 May Patents Ltd. System and method for a motion sensing device which provides a visual or audible indication
US9757624B2 (en) 2011-03-25 2017-09-12 May Patents Ltd. Motion sensing device which provides a visual indication with a wireless signal
US9764201B2 (en) 2011-03-25 2017-09-19 May Patents Ltd. Motion sensing device with an accelerometer and a digital display
US9782637B2 (en) 2011-03-25 2017-10-10 May Patents Ltd. Motion sensing device which provides a signal in response to the sensed motion
US9808678B2 (en) 2011-03-25 2017-11-07 May Patents Ltd. Device for displaying in respose to a sensed motion
US9868034B2 (en) 2011-03-25 2018-01-16 May Patents Ltd. System and method for a motion sensing device which provides a visual or audible indication
US9878228B2 (en) 2011-03-25 2018-01-30 May Patents Ltd. System and method for a motion sensing device which provides a visual or audible indication
US9878214B2 (en) 2011-03-25 2018-01-30 May Patents Ltd. System and method for a motion sensing device which provides a visual or audible indication
US10525312B2 (en) 2011-03-25 2020-01-07 May Patents Ltd. Device for displaying in response to a sensed motion
US10926140B2 (en) 2011-03-25 2021-02-23 May Patents Ltd. Device for displaying in response to a sensed motion
US10953290B2 (en) 2011-03-25 2021-03-23 May Patents Ltd. Device for displaying in response to a sensed motion
US12288992B2 (en) 2011-03-25 2025-04-29 May Patents Ltd. Device for displaying in response to a sensed motion
US11141629B2 (en) 2011-03-25 2021-10-12 May Patents Ltd. Device for displaying in response to a sensed motion
US9555292B2 (en) 2011-03-25 2017-01-31 May Patents Ltd. System and method for a motion sensing device which provides a visual or audible indication
US11173353B2 (en) 2011-03-25 2021-11-16 May Patents Ltd. Device for displaying in response to a sensed motion
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US11605977B2 (en) 2011-03-25 2023-03-14 May Patents Ltd. Device for displaying in response to a sensed motion
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US11689055B2 (en) 2011-03-25 2023-06-27 May Patents Ltd. System and method for a motion sensing device
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US11979029B2 (en) 2011-03-25 2024-05-07 May Patents Ltd. Device for displaying in response to a sensed motion
US12095277B2 (en) 2011-03-25 2024-09-17 May Patents Ltd. Device for displaying in response to a sensed motion
US12191675B2 (en) 2011-03-25 2025-01-07 May Patents Ltd. Device for displaying in response to a sensed motion
US12244153B2 (en) 2011-03-25 2025-03-04 May Patents Ltd. Device for displaying in response to a sensed motion
US12249841B2 (en) 2011-03-25 2025-03-11 May Patents Ltd. Device for displaying in response to a sensed motion
WO2021148776A1 (fr) * 2020-01-20 2021-07-29 Golden Bear Products Limited Module interactif pour un jouet et jouet comprenant le module interactif
US20240139606A1 (en) * 2022-10-28 2024-05-02 Jennifer K. Roth Sound device for blind and visually impaired sports

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