Abstract: A golf club head is provided with an electronic display that is visible to a user of the golf club head when the golf club head is in the address position, such as for displaying one or more images to the user. The electronic display may include a memory, a microprocessor, and a battery, and may be configured to communicate with a user operable electronic device via a wired or a wireless communication protocol. For example, the electronic display may be configured to receive one or more images from the user operable electronic device, to store the one or more images in the memory, and to display the one or more images to the user.

Abstract: A screen soccer system and method are disclosed. The screen soccer system includes a system server including a data transceiver, a running information processor, an image output part, and a kicking information processor. The running information processor receives footstep information of user in real time from a first footstep sensing device. The image output part transmits the running image information to an image output device through the data transceiver. The data transceiver receives gravity center movement information of the user transmitted from a second footstep sensing device. The kicking information processor analyzes and converts the gravity center movement information, the kicking motion information, and the soccer ball kicking information into kicked ball image information regarding a kicked ball path. The image output part transmits the kicked ball image information to the image output device through the data transceiver.

Abstract: A method and an apparatus for impact position detection of impact sport equipment are provided. The method includes following steps: retrieving a vibration signal generated by a vibration sensor detecting vibration caused by impact of impact sport equipment and a ball; performing a spectrum analysis on the vibration signal to obtain eigenfrequencies of the vibration signal in a frequency domain; and calculating at least one piece of characteristic information by using an amplitude of each eigenfrequency and inputting the same into a prediction model established in advance by using machine learning, so as to estimate an impact position of the ball on the impact sport equipment, in which the prediction model is trained by using characteristic information of multiple vibration signals and corresponding impact positions.

Abstract: A momentum measurement device is disclosed. The momentum measurement device includes a measurement sensor including a printed circuit board and an acceleration sensor, a gyroscope sensor, a communication element, and a processor connected to the printed circuit board, and a cover configured to surround a first surface and a side surface of the measurement sensor.

Abstract: A golf shot alignment system assists a golfer to align a golf club face towards a selected target. The golf shot alignment system comprises a target selection device which is remote from a golf club mounted indicator device which is mounted on a golf club having the golf club face. The target selection device can communicate wirelessly with the golf club mounted indicator device so as to provide target information from the target selection device to the golf club mounted indicator device. The golf club mounted indicator device uses the target information which it receives to determine when the golf club face is aligned towards the selected target and then indicates this to the golfer.

Abstract: A golf instruction method, apparatus and analytics platform for determining the state of a putted golf ball relative to a target using information about the golf ball and external variables and remotely displaying the same comprising a base unit, a mobile device or terminal, and an associated computer program including an analytics engine for analyzing a user's performance. The computer program determines whether and how a putted golf ball has missed said target and then stores, aggregates and displays that information for a user. The analytics engine is operable to aggregate data, analyze data and then correlate a user's actual skill proficiency to ball performance.

Abstract: Proposed is a swing analysis device which includes a measurement unit which is coupled to a golf club of a user, and is configured to continuously measure motion data during swing motions of the golf club, an analysis unit configured to analyze the motion data continuously measured by the measurement unit to generate a swing analysis value, and a communication unit configured to transmit the swing analysis value generated by the analysis unit to a user terminal. According to the swing analysis device, as a swing analysis value generated based on motion data of the golf club is transmitted to a user terminal, the swing analysis value can be directly output by an application program installed in the user terminal without analyzing the motion data thus to greatly improve the reaction speed of the application program.

Abstract: A method of using a computing device to forecast the result of a golf stroke and a portable handheld device for collecting and displaying golf round data are provided. The data collected for each stroke includes the location, time, and club used and the resulting ball position achieved” Before each drive or approach shot player skill level, course layout information, and player location on the course are used together with the club selected by the player to forecast the result of the next stroke. Putt break prediction information is provided before each putt. Information that a stroke has been taken and which dub was used can be entered manually or sensed automatically from telemetry equipped clubs.

Abstract: A swing measuring attachment includes a base portion and a protrusion protruding from the base portion, in which the protrusion is provided with a screw thread, the protrusion including a projection at a front end of the protrusion.

Abstract: The present disclosure relates to methods and devices for custom fitting golf clubs to golfers using analysis of golf swing mechanics and data obtained from the golfer being fitted in addition to extrinsic data correlations.

Abstract: A system that measures a swing of equipment (such as a bat or golf club) with inertial sensors, and analyzes sensor data to create a rotational profile. Swing analysis may use a two-lever model, with a body lever from the center of rotation to the hands, and an equipment lever from the hands to the sweet spot of the equipment. The rotational profile may include graphs of rates of change of the angle of the body lever and of the relative angle between the body lever and the equipment lever, and a graph of the centripetal acceleration of the equipment. These three graphs may provide insight into players' relative performance. The timing and sequencing of swing stages may be analyzed by partitioning the swing into four phases: load, accelerate, peak, and transfer. Swing metrics may be calculated from the centripetal acceleration curve and the equipment/body rotation rate curves.

Abstract: A swing analysis device for analyzing a swing of a user of a golf club accepts input of acceleration information, angular rate information, and strain information of a shaft of the golf club, detected by a sensor attached to the shaft, calculates attitude information of the golf club in a swing period, based on the acceleration information and the angular rate information, corrects the attitude information of the golf club at impact, based on the strain information of the shaft, and displays the corrected attitude information of the golf club on a display.

Abstract: A sport apparatus comprising a shaft, wherein the shaft comprises a notch fitting and a sensor housing. The sensor housing comprises an alignment rib fitting, printed circuit board, rechargeable battery, one or more motion sensors, a transceiver, an inductive charging coil, among other necessary elements for the sport apparatus as described herein. A portion of the sensor housing resides within the shaft, wherein the alignment rib of the sensor housing mates with a notch or other locking mechanism of the shaft.

Abstract: An electronics module (160) in a gaming device (10) includes an inertial measurement unit (161) (“IMU”) for detecting acceleration motion, angular movements, and an optics assembly to optimally calculate a moment of impact and to predict a virtual trajectory of a virtual golf ball or other hypothetical object. The virtual trajectory of the target object (202) may be displayed on a display screen (102) either on the gaming device itself, on a computer, or on a television display. A haptics member (200), such as a vibration or sound element is positioned in the shaft housing (120) and actuated to simulate a ball impact when the shaft housing (120) is indicative of a swing.

Abstract: An eye gaze training device is disclosed, including associated methods to record an impact and to provide a cue or feedback with a proper delay between action and instinctual eye tracking, improve hand-eye coordination, and thereby to improve one's performance in a sport, athletic event, or the like. This training device and associated methods provides for detection, recording, classification, translation, transmission, and learning, all associated with teaching and learning the proper way of striking an object with another object with proper hand-eye coordination. In various embodiments associated systems and methods of the eye gaze training device are included. In at least one embodiment, the eye gaze training device includes a microcontroller, impact sensor, power source, feedbacks, alert device, control settings and switches, accelerometers, position detectors, any one or more of which may be used in an eye gaze training device, as well as additional devices such as headbands, waist devices, leg devices.

Abstract: A multifunctional self-contained system that wirelessly integrates actual sports equipment with a computer providing critical feedback to improve all aspects of a player's game, and also allows players to play an actual competitive real or visually simulated game or sports with one or more players. Therefore, an individual player may opt to play solo or practice to improve basic golfing skills and techniques. The system includes sport implements that include, but are not limited to, smart golf clubs, a golf ball receptacle and a golf club motion sensing device, all containing circuits with contact sensors and or motion sensors coupled with signal processing and radio frequency transmitter circuitry to wirelessly communicate game status and performance parameters to a remote receiver and computer.

Abstract: A computing system wirelessly receives data from an ear-wearable device and determines, based on the data received from the ear-wearable device, a current position of the ear-wearable device. Additionally, the computing system determines, based on the current position of the ear-wearable device and data regarding a golf course, golf advice data that provides a recommendation regarding play of the golf course. Furthermore, the computing system wirelessly sends audio data to the ear-wearable device. The audio data represents soundwaves of a vocalization of the golf advice data.

Abstract: The sensor information acquisition unit acquires an angular velocity around an axis of a shaft portion of an exercise instrument from a sensor unit. An exercise analysis unit detects a timing of an impact of the exercise instrument. A calculation unit calculates a distance between a standard position set on a hitting surface of the exercise instrument and a position of the hitting based on the angular velocity at the time of an impact.

Abstract: In a first aspect, a system for monitoring a swing is provided that includes (1) a swing measurement device adapted to couple to a swinging object and to output a signal indicative of a characteristic of the swinging object; (2) a wireless transmitter coupled to the swing measurement device and adapted to wirelessly transmit the signal output by the swing measurement device; and (3) a wireless device adapted to receive the wirelessly transmitted signal and to provide information regarding the swinging object based on the received signal. The wireless device is a cellular telephone or personal digital assistant (PDA). Numerous other aspects are provided.

Abstract: A measurement device may include one or more piezoelectric elements that output power signals. The device may split each power signal, analyzing a first portion of the signal while supplying a second portion to an energy storage assembly. A processor may dynamically adjust the first and second portions of each power signal to change how much of each power signal is used for signal processing versus energy storage, and may make the adjustments based on detected activities and/or pre-programmed timelines. The device may be used in or on sports equipment, such as a golf club.

Abstract: A swing analysis apparatus includes a body installed on a shaft, a sensor unit installed in the body, a display device positioned on the body and configured to display swing information in a swing zone and an impact zone by supplying power thereto, and a controller configured to receive measured swing information from the sensor unit, and configured to operate the display unit to notify the outside of that the swing zone is achieved when the measured swing information is equal to or greater than a setting value and to notify the outside of that the impact zone is achieved, wherein the controller analyzes swing information depending on the swing zone and the impact zone and controls the display device to perform respective different display methods when the swing zone and the impact zone are different.

Abstract: A hand-held power tool, in particular an electric hand tool, includes an identification module and a housing. The identification module includes a transponder having at least one data store configured to store identification information and a radio module configured to transmit the identification data. The identification module is integrated into the housing.

Abstract: A motion analysis device analyzing a swing using an exercise apparatus, includes an acquisition section that acquires outputs from an inertial sensor, and a detection section that detects collision of the exercise apparatus with the ground by using at least an acceleration output among the outputs from the inertial sensor.

Abstract: Exemplary embodiments of the present disclosure are directed to various components of a system for monitoring and/or tracking a user's performance during an activity involving an instrument that is swung. Exemplary embodiments can include a sensor module configured to be secured to and/or embedded within the instrument. The sensor module can detect a swing event and/or an impact between the instrument and an object and can generate pressures waves that propagate through air. The pressure waves can include information or represent information about a use of the instrument and can be detected by an electronic device associated with the user, which can display the information, process the information, and/or transmit the information to a remote system. The pressure waves can be modulated to encode information within the pressure waves.

Abstract: A golf club head having accelerometer and gyroscope sensors measuring swing motion acceleration and angular rate values. Inputs of force and torque to the golf club head during the swing motion may be unknown, such that a system of motion equations may be used to calculate functions for the unknown input force and torque, as well as roll angle and pitch angle for the golf club head, and compensate for gyroscope bias, without using static leveling processes.

Abstract: Provided is an impact point estimation apparatus for estimating an impact point on a face surface of a head when a golf club having a grip, a shaft and the head is swung and hits a golf ball. The apparatus has an acquisition unit, a calculation unit, and an estimation unit. The acquisition unit is configured to acquire time series sensor data that is output from at least one of an angular velocity sensor and an acceleration sensor that is attached to at least one of the grip and the shaft. The calculation unit is configured to calculate a characteristic value of an initial stress wave that occurs due to impact from the sensor data acquired in an analysis period including an initial period after impact. The estimation unit is configured to estimate the impact point on the face surface, according to the characteristic value. The analysis period is before a predetermined short time period has elapsed from impact.

Abstract: The present invention relates to a practice swing bat and, particularly, to a bat which is capable of, during golf swing practice, calculating and displaying swing speed, virtual driving distance of each club, etc., and transmitting the same to a terminal so as to enable management of the same. To this end, the bat of the present invention comprises a swing measurement module.

Abstract: A motion analysis method includes calculating a change in an amount of inertia of a region attached with an inertial sensor during a swing using an output of the inertial sensor, and identifying a maximum value of the amount of inertia during the swing to compare the maximum value and the amount of inertia at an impact with each other. A deceleration timing during the swing of the region (the grip of the sporting equipment) attached with the inertial sensor is identified, and the quality of the swing can be evaluated.

Abstract: Provided is an analysis apparatus including an acquisition unit that acquires vibration data showing a vibration generated in a first object by having a second object come into contact with a first position on the first object, a first analysis processing unit that specifies the first position by comparing a vibration characteristic shown by the vibration data, and a vibration characteristic defined for each position where the second object may come into contact with the first object, and a second analysis processing unit that estimates a velocity after the contact of the second object based on a velocity of the first object and the first position.

Abstract: Provided is a fiber-reinforced golf club shaft with small cantilever bending displacement despite its light weight, and provided to exhibit a longer carry distance while showing excellent ball flight patterns regardless of the skills of a golfer. The golf club shaft configured to have a plurality of fiber-reinforced plastic layers made of resin and a fiber material, comprising: wherein formula (1) below is satisfied when the length of the golf club shaft is set as “L” (mm), the weight as “W” (g), and the displacement as “D” (mm) that is observed when a cantilever bending test is conducted by exerting a predetermined load in the vicinity of the tip end while supporting the butt end to measure the displacement at the tip end. 455?D+7.

Abstract: A golf club head having accelerometer and gyroscope sensors measuring swing motion acceleration and angular rate values. Inputs of force and torque to the golf club head during the swing motion may be unknown, such that a system of motion equations may be used to calculate functions for the unknown input force and torque, as well as roll angle and pitch angle for the golf club head, and compensate for gyroscope bias, without using static leveling processes.

Abstract: A swing diagnosis apparatus includes a level calculation section that calculates a level on the basis of a relationship between a rotation angle about a rotation axis of an exercise appliance at a predetermined timing between the time of starting a backswing and the time of impact with a longitudinal direction of the exercise appliance as the rotation axis, and an inclination of a ball hitting portion of the exercise appliance at impact.

Abstract: A swing diagnosis apparatus includes a level calculation section that calculates a level on the basis of a relationship between an incidence angle of a ball hitting portion of an exercise appliance at impact, and an inclination of the ball hitting portion of the exercise appliance at impact.

Abstract: A shoe pod includes a positioning component and an altimeter. The positioning component determines geodetic locations of the shoe, whereas the altimeter determines elevations of the shoe. A golf club pod is disposed at the golf club and includes a golf club parameter detector operable to be detachably fastened to the golf club, to detect a golf club head striking surface position and to transmit the detected club parameter signal based on the detected golf club parameter.

Abstract: A swing diagnosis apparatus includes a level calculator that calculates a level based on the relationship among at least one imaginary plane, the position of a hitting section of a sport gear at a first timing during a backswing, and the position of the hitting section at a second timing during a downswing.

Abstract: A state finding apparatus includes an obtaining unit and a finding unit. The obtaining unit obtains a value of an angular velocity of a first object around a predetermined axis when the first object and a second object contact with each other. The finding unit finds a state of the second object based on the obtained value of the angular velocity.

Abstract: A measurement device may include one or more piezoelectric elements that output power signals. The device may split each power signal, analyzing a first portion of the signal while supplying a second portion to an energy storage assembly. A processor may dynamically adjust the first and second portions of each power signal to change how much of each power signal is used for signal processing versus energy storage, and may make the adjustments based on detected activities and/or pre-programmed timelines. The device may be used in or on sports equipment, such as a golf club.

Abstract: A golf club having a sensor that is removably connected at one or more positions of the golf club where the sensor comprises an inertial measurement unit including an accelerometer capable of measuring linear accelerations in three orthogonal axes and a gyroscope capable of measuring an angular rate of rotation around the same axes. The sensor may further comprise a processor which may perform instructions to detect the impact of the golf club with a golf ball and determine the start of the golf swing without any additional input from the user. The sensor may further have a power management system to extend the life of the power source.

Abstract: Disclosed is a smart putter for a golf club including a putter head having a putting surface for putting a golf ball on one side thereof, a swing detecting unit that is provided in the putter head to detect a balance degree of the putter head, a communication module that is provided in the putter head to transmit balance degree data of the putter head detected by the swing detecting unit to an external device, and a control unit that stores the balance degree data of the putter head detected by the swing detecting unit and transmits the balance degree data to the communication module.

Abstract: A method of selecting a preferred golf shaft for a player who uses an existing golf shaft, according to one or more aspects of the present invention, may comprise gathering a plurality of empirical data sets, each data set corresponding to an individual golf shaft selected from a plurality of golf shafts; providing a plurality of specification codes, each associated with an individual empirical data set of the plurality of empirical data sets; from the plurality of specification codes, identifying a first specification code associated with the existing golf shaft; gathering feedback associated with the existing golf shaft from the player; and using the feedback to select, from the plurality of specification codes, a second specification code corresponding to the preferred golf shaft.

Abstract: A golf club head includes a head unit, and an insertion unit including a housing body, an intelligent unit and an encapsulant. The housing body defines a receiving space, and has a base wall, a surrounding wall, an external thread for engaging an internal thread of the head unit, a recess formed in the base wall, and multiple hollow portions formed in and extending between the base wall and the surrounding wall. The intelligent unit is received in the receiving space, and includes a first circuit board, two charging electrodes disposed on the first circuit board, and a capacitor connected to the first circuit board and the charging electrodes. The encapsulant is received in the receiving space, partially covers the first circuit board, and exposes the charging electrodes.

Abstract: Provided is a golf swing classification method that is capable of optimizing selection of a golf club. A golf swing classification method when a golf club hits a golf ball according to the present invention includes the steps of: acquiring acceleration in at least a single point on the golf club or in at least one point that follows the single point during the golf swing; and mapping a behavior of the golf club based on a time period from a time point when an absolute value of the acceleration is at a maximum to a time point when the golf club hits the golf ball.

Abstract: A reversibly attachable muscle trainer includes a multi-arm structure with motion sensors and force generators for exercising opposing muscles of a person moving an implement so as to maintain an ideal movement. When attached to the implement, the muscle trainer trains the opposing muscles to consistently move the implement in an ideal way. While the person moves the implement with the muscle trainer attached, a processor receives signals from the motion sensors and determines differences between the actual implement motion and an ideal implement motion. The difference indicates a dominating force direction in which the dominating muscles urge the implement. The processor activates the force generators to apply external forces to the implement to urge the implement in various types of training force directions.

Abstract: A portable electronic device is disclosed. The portable electronic device comprises memory for storing instructions that are executed by a processor to perform the operations of analyzing data with the portable electronic device related to the position and motion of a putter at least one of before, during and after at least one putting stroke performed with the putter. The portable electronic device analyzes the data by utilizing a plurality of sensors within the portable electronic device including accelerometers configured to measure accelerations and gyroscopes to identify an angle of the putter during the at least one putting stroke. The portable electronic device is attached to the putter. A putting stroke characteristic can be determined based on the data generated from the sensors of the portable electronic device.

Abstract: Exemplary embodiments of the present disclosure are directed to various components of a system for monitoring and/or tracking a user's performance during an activity involving an instrument that is swung. Exemplary embodiments can include a sensor module configured to be secured to and/or embedded within the instrument. The sensor module can detect a swing event and/or an impact between the instrument and an object and can generate pressures waves that propagate through air. The pressure waves can include information or represent information about a use of the instrument and can be detected by an electronic device associated with the user, which can display the information, process the information, and/or transmit the information to a remote system. The pressure waves can be modulated to encode information within the pressure waves.

Abstract: The various embodiments described herein include methods, devices, and systems for categorizing motion events. In one aspect, a method includes: (1) obtaining a plurality of video frames, the plurality of video frames corresponding to a scene and a motion event candidate; (2) identifying one or more visual characteristics of the scene; (3) obtaining one or more background factors for the scene; (4) utilizing the obtained background factors to identify one or more motion entities; (5) for each identified motion entity: (a) classifying the motion entity by performing object recognition; and (b) obtaining one or more representative motion vectors based on a motion track of the motion entity; and (6) assigning a motion event category to the motion event candidate based on the identified visual characteristics, the obtained background factors, the classified motion entities, and the obtained representative motion vectors.

Abstract: A system comprising contact and motion sensors adapted to sports equipment and coupled to a computer for the wireless communication of performance data. The computer is connected to a display for the visual simulation of player performance information and may be connected to other computers, thereby permitting competitive play among remote players.

Abstract: A fitting method, of a shaft of a golf club, for selecting a shaft having a torque matching a golfer based on a swing of the golfer. The method includes the steps of obtaining measurement values from a sensor attached to a grip of the golf club and capable of measuring angular velocities about three axes when a golf ball is hit by the golf club; obtaining a predetermined index value for the angular velocities quantified from the measurement values; and selecting a shaft matching the golfer from among multiple shafts whose torques have been measured in advance, based on a relationship established through test-hitting performed in advance between the index value and a torque of a shaft.

Abstract: A golf club assembly includes at least one sensor assembly, the sensor assembly being operable to sense at least motion and impact of a golf club head and a processor communicatively coupled to the sensor assembly, the processor being operable to sample data from the sensor assembly at a first rate, receive a signal indicating motion of the golf club head, and sample data from the sensor assembly at a second rate different from the first rate upon receiving the signal indicating motion of the golf club head.

Abstract: A golf club head may include a face with an embedded monolith having first and second sensors for measuring impact with a golf ball. The first and second sensors may output positive and negative pressure signals at the same time, caused by the impact, with the negative pressure indicating an outward bowing of the monolith whereas the positive pressure indicates an inward compression. These positive and negative values may be captured over the duration of impact and used to create a time-varying impact pressure profile with increased accuracy. The club head may also include a mechanism for placing a static pressure on the monolith, increasing negative pressure sensitivity and adjusting the ability to measure negative impact pressures away from the contact point on the club face.