The present invention relates to a golf club for practicing swings which enables learning a smooth rhythmic sensation under the concept of hitting a ball with a sphere having a metal texture, so as to maintain a stable swing track involving proper rhythm in real swings to correctly send a ball to a desired position. The golf club for practicing swings comprises: a shaft provided with a handle at the top end; and a head coupled to the bottom end of the shaft, wherein the sphere providing a metallic material sensation is integrally formed with the face of the head or detachably formed on the head, thereby providing an image of softly hitting a ball with the sphere made from the metallic material during practice swings.

Proposed herein is a golf swing training apparatus for providing sensations of hitting for golf swing practice. The golf swing training apparatus includes: a shaft body formed to a predetermined length, and configured such that a grip and a stopper are formed at both ends thereof, respectively, and a metal region is formed in a part thereof on a grip side thereof; an impact ball coupled to be movable along the longitudinal direction of the shaft body, configured to provide weight for the generation of a sensation of hitting, and provided with a plurality fitting slots; and a plurality of magnets configured to be detachably fitted into one or more of the fitting slots of the impact ball, configured to hold the impact ball to the metal region, and configured to allow the strength of the action of attraction to be adjusted.

This disclosure relates to an alignment aid for a golf club. The alignment aid provides a golf club with one or more markings on or adjacent the hosel of the golf club, and can be used by the golfer to achieve a proper alignment. In particular, the alignment aid may include at least two markings, each of which can be used by the golfer to assist the golfer in achieving the proper alignment corresponding to a desired type of golf shot. As an example, the golfer may use one marking to achieve a proper alignment for a pitch shot, and the golfer may use another marking to achieve a proper alignment for a bunker shot.

A golf club comprising a golf club head having a face wall, an inertial motion unit (IMU) positioned within the body, and a transceiver in communication with the IMU, a shaft attached to the golf club head, and a grip attached to the shaft is disclosed herein. The IMU identifies an impact location with a golf ball.

Proposed herein is a golf swing training apparatus for providing sensations of hitting for golf swing practice. The golf swing training apparatus includes: a shaft body formed to a predetermined length, and having a grip; an impact ball coupled to be movable along the longitudinal direction of the shaft body, and configured to provide weight; a ball rail formed along the longitudinal direction of the shaft body, configured to provide a movement path, and provided with a stopper; one or more magnets installed in the impact ball, and configured to provide a magnetic force; and a magnet fixing part configured to face the magnet while forming a metal region, and also configured to hold the impact ball through the action of attraction with the magnet and to provide an attractive force having a different strength depending on the position of the impact ball.

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.

A system and method for analyzing the swing motion of sporting equipment, for example, a golf club, including at least one or more inertial acceleration sensors, one or more gyrometric sensors, a data acquiring unit, a core micro-controller, and a Bluetooth radio. The motion detecting unit detects at least one motion of the swing. Particularly, the sensors and data acquiring unit calculates swing information using the acquired detection data to match a user’s swing motion to optimized equipment. Particularly, the data acquiring unit acquires detection data from the sensor(s) and forwards such data to a computing device or server having stored information that matches the swing motion to an optimized swing device.

An Internet of Thing (IoT) device includes a camera coupled to a processor; and a wireless transceiver coupled to the processor. Blockchain smart contracts can be used with the device to facilitate secure operation.

The present disclosure relates to systems and methods for balance index determination. For example, a wearable apparatus may have at least one gyroscope configured to measure angular velocity about a first axis; at least one inertial measurement device (IMU) configured to measure deviation along a second axis and a third axis; at least one memory storing instructions; and at least one processor configured to execute the instructions to: receive angular velocity measurements over a period of time from the at least one gyroscope; receive deviations from the second axis and from the third axis over the period of time from the at least one IMU; weight the deviations based on directions associated with the deviations; and generate a composite balance index based on the angular velocity measurements, the weighted deviations from the second axis, and the weighted deviations from the third axis.

A swing measurement system measures an evaluation index of a swing of a golf club using an inertial sensor. A computer is provided with: a movement trajectory calculation unit for calculating a movement trajectory of the golf club during the swing using a detection value of the inertial sensor; a shaft plane calculation unit for calculating a shaft plane of the swing based on the movement trajectory in a freely selectable section of the swing; and an angle calculation unit for calculating, as the evaluation index, a shaft plane angle formed between the face surface of the golf club and the shaft plane.