263 results about "Ball tennis" patented technology

An apparatus and a method are provided for a sports paddle for pickleball, tennis, smashball, ping pong, or racquetball. The sports paddle comprises a planar portion defining opposing flat surfaces for striking a ball and a handle portion for grasping in a hand. A skin layer encloses the planar portion and the handle portion. Rounded edges are disposed around the planar portion and the handle portion. The planar portion may comprise a core material surrounded by a rigid portion. The rigid portion may comprise 20-24 lb. foam while the core material is a honeycomb structured material. A synthetic or polymeric grip is wrapped around the handle portion to provide stability and firmness for a player. A binding secures the grip to a neck of the planar portion. An end cap placed at an end of the handle provides support and protection of the paddle.

A split grip sock device is disclosed that reduces slippage during lateral movements commonly performed during sports like basketball, tennis, soccer, and football. The device solves these problems by adding grip to the bottom of the sock and having a separate compartment for the big toe which allows for improved pivoting and change of direction. Further, the device also provides cushioning over the metatarsals to alleviate shoelace pressure and over the heel area to prevent blisters. Specifically, the split grip sock device comprises a thicker weave over the top of the foot and heel, with heat-pressed rubber pieces on the bottom of the sole.

The invention relates to the technical field of artificial intelligence, in particular to a multi-dimensional tennis action analysis system, which comprises a data acquisition module, a data preprocessing module, an evaluation analysis module and a feedback interaction module, and is characterized in that the data acquisition module comprises a posture data acquisition unit, a ball path and walking tracking unit and a motion parameter acquisition unit; the data preprocessing module carries out space-time calibration on posture, track and motion parameters based on a timestamp synchronization mechanism, a fusion data set is formed through data cleaning and standardization processing, and the evaluation analysis module is used for distinguishing action types, integrating scores of posture dimensions, power generation dimensions and drop point dimensions and generating a comprehensive evaluation report; and the feedback interaction module displays an evaluation result in real time on an interface based on characters and visual icons and outputs historical analysis. According to the invention, the data validity is guaranteed, the error interference is eliminated, the analysis efficiency and the professionality of the evaluation result are improved, the use threshold is reduced, and the universality and practicability of the system are improved.

[The proposed invention consists of a dividing-net and a lightweight frame which can be rapidly and easily assembled and disassembled repeatedly with the use of multiple pole segments which are fully or partially connected when expanded and collapsed. The net system can be stored and carried in a compact configuration. This net system can be applied to the design of net systems for numerous sports including pickleball, tennis, badminton and other sports with similar net-system requirements including all where the net-system divides a court or any space into two pieces. The net system can come in variable lengths such as one which could divide a standard court or portion thereof, or a shorter length to create net systems that can collapse and fit in piece of luggage or even a backpack.

A portable device mount system is provided that enables a user to record an event, such as a tennis match. The portable device mount system includes a telescopic pole, a hanger configured to mount onto a structure such as a fence rail, an electronic device holder that tilts forward and backward, and a sunshade coupled to the device holder. The portable device mount system may also include a ball joint that allows the sunshade to be pointed in multiple directions, a power source, securing mechanisms, set points, and other features.

The utility model discloses a tennis serving competitive robot which comprises a main shell and a base, a rotating shaft is fixedly installed at the bottom end of the main shell, the other end of the rotating shaft is rotationally connected with the top end of the base, a motor is fixedly installed at the top end of the base, and the output end of the motor is in driving connection with a first gear. A first gear is fixedly installed on the main shell, a second gear is fixedly installed on the rotating shaft, the first gear and the second gear are in meshing transmission, a partition plate is arranged in the main shell and divides an inner cavity of the main shell into a ball hitting cavity and a high-pressure gas cavity, and a communicating opening for communicating the ball hitting cavity with the high-pressure gas cavity is formed in the partition plate. A communicating opening is formed in the main shell, a first electromagnetic valve is fixedly installed on the communicating opening, a ball inlet is formed in the top end of the main shell, the ball inlet is communicated with the ball hitting cavity, a baffle mechanism is arranged at the communicating position of the ball inlet and the ball hitting cavity, and a ball hitting outlet is formed in the main shell and communicated with the ball hitting cavity. The multi-angle ball serving device can realize multi-angle ball serving and is convenient to use

A scoop collector for court balls includes a container with an open front into which balls can roll through the open front. A push handle is operably connected to the container. A ball retaining device allows the balls to roll into the container and prevents the balls from rolling out of the container. The ball retaining device can include a plurality of flappers, an elastic cord, and / or a roller that extend(s) across the open front of the container. The container can be translucent and can be removably supported on a frame. The push handle can be secured in a fixed position by a hook. Wings can be provided adjacent the open front of the container to funnel balls into the container.

A tennis training robot serving track control method belongs to the technical field of serving equipment. The problem that an existing pitching machine can not meet the requirements of a user for specific drop points and tracks when pitching according to a preset mode is solved. A corresponding yaw angle, an optimal launching speed and an optimal pitch angle are generated according to input given target drop point coordinates and given target net passing height, and corresponding control signals are generated according to the yaw angle, the optimal launching speed and the optimal pitch angle to control a yaw motor, a friction wheel motor and a pitch motor of the training machine. Therefore, the serving track is controlled at a given target drop point and a given target net passing height. The method is mainly used for ball serving track control of the tennis training machine.

The invention provides a tennis player sport injury risk early warning analysis method, which comprises the following steps of: preprocessing acquired multi-dimensional sport data, accurately modeling time sequence dependence and dynamically focusing key features by utilizing a model architecture combining a long-short term memory network and an attention mechanism; through interpretability constraint loss function and Grad-CAM thermodynamic diagram visualization, high-risk action stages and key features are automatically extracted from a model decision path, a causal analysis interpretation report is generated, and finally real-time prediction and interpretation of damage risk levels are realized. According to the method, the accuracy of risk identification, the interpretability of model output and the adaptability of actual deployment are effectively improved, and scientific auxiliary decision making of coaches and medical teams is facilitated.

1. Name of the designed product: double-shoulder bag (tennis pocket). 2. Use of the designed product: the designed product is used for packing tennis racket and sports goods. 3. Design points of the designed product: the combination of shape and color. 4. Picture or photo showing the design points: front view. 5. The designed product contains color.

The invention provides a tennis ball receiving and dispatching intelligent vehicle based on machine vision and a working method of the tennis ball receiving and dispatching intelligent vehicle. The intelligent vehicle is composed of a visual recognition module, an automatic picking module, a motion control module and an intelligent ball serving module. The visual identification part adopts a double-strategy fusion case, and obtains the accurate three-dimensional pose of the tennis ball through contour and height feature matching; the automatic picking module is of a belt transmission integrated structure, and continuous rolling-in, separation and warehousing of the tennis balls are achieved. The motion control module is based on a crawler-type differential chassis and a PID algorithm, and precise control over paths and postures is achieved. The intelligent serving module adopts a double-friction-wheel differential serving structure and is combined with a pitch angle and horizontal angle adjusting mechanism, so that multiple types of serving such as upward rotation, downward rotation and flat striking are realized, and the serving mode can be dynamically adjusted according to action characteristics of a trainer. The system can automatically complete the whole process of tennis ball recognition, picking, storage, moving and serving, the training efficiency and the automation level are improved, the labor burden is reduced, and the system is suitable for multi-scene and multi-intensity tennis training.

1. The name of the design product: the picket ball and tennis dual column. 2. The use of the design product: dual column for picket ball and tennis. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

The utility model discloses a filtering countersunk head and a water pumping device. The filtering countersunk head comprises a connecting part, a filtering part and a filter element, a water outlet and a first water inlet are respectively formed in two opposite ends of the connecting part, and the water outlet is communicated with the first water inlet to form a water inlet channel; the filter element is positioned in the water inlet channel; the filtering part comprises a ball head and a filter screen, one end of the ball head is detachably connected with the connecting part, and the interior of the ball head is communicated with the water inlet channel; a second water inlet is formed in the other end of the ball head and covered with the filter screen. In the using process, impurities with large diameters in liquid are filtered through the filter screen. Meanwhile, the filter element is arranged in the connecting part, and the liquid is secondarily filtered through the filter element, so that the liquid is purer.

The invention relates to the technical field of artificial intelligence and sports data analysis, and discloses a high-performance ball sports real-time event analysis AI system which comprises a data acquisition module, a feature extraction and ball positioning module and an event recognition and multi-view fusion module. The data acquisition module comprises a camera configuration and video stream acquisition unit, a video frame extraction and preliminary processing unit and an image enhancement and noise removal unit. The camera configuration and video stream acquisition unit is used for acquiring real-time image data of ball games. According to feature extraction and time identification, event analysis is transferred from a full-field video to a small video with a ball as the center, so that the calculation complexity and memory occupation are remarkably reduced, meanwhile, the classification precision of ball game events is improved through multi-view data fusion, and the system is suitable for various ball games such as football games, basketball games and tennis games and also suitable for various ball games such as basketball games and tennis games. And the method can be widely applied to scenes such as match analysis, training assistance and match live broadcast, and has important practical value and market potential.

To facilitate the use of a match random number table prepared so as to equally combine matches in a practice match of doubles such as tennis.SOLUTION: A mark of a slide mechanism is provided on a long and narrow sheet-like bundle on which a match random number table of a game is printed for each number of participants. At the time of use, the sheet of the game random number table matched with the number of persons is turned to the top, the mark of the slide mechanism is passed through and the mark is slid matched with the game so that the combination of the next game can be successively grasped.SELECTED DRAWING: Figure 3

The invention discloses an intelligent tennis training system, which comprises a virtual construction assembly, an image acquisition assembly and a control unit, and is characterized in that the virtual construction assembly and the image acquisition assembly are connected with the control unit, and the virtual construction assembly is used for constructing a virtual scene of tennis training on a training field; the image acquisition assembly is used for acquiring relevant information of a ball on a training field, and the relevant information of the ball comprises a running track of the ball; and the control unit is used for acquiring the information of the virtual scene and the relevant information of the ball and intelligently analyzing the subsequent moving track of the ball according to the information. On one hand, the field needed for tennis training is effectively reduced, on the other hand, intelligent analysis and storage can be conducted on tennis operation, immersive training, follow-up relevant data playback and the like of a user are facilitated, and the training efficiency and effect are better improved.

1. Name of the design product: ball throwing machine. 2. Use of the design product: used for serving in sports events of round balls such as table tennis, tennis, etc. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The invention is suitable for the technical field of tennis robots, and provides a ball receiving control method of a tennis robot and the tennis robot. Wherein the tennis robot comprises a tennis robot body, a moving device, a control device and a ball receiving assembly, the moving device is arranged at the bottom of the tennis robot body, and the control device is connected with the moving device; the ball receiving control method of the tennis robot comprises the steps that the control device controls the moving device to move the tennis robot to the ball receiving position of a to-be-received tennis ball, so that the tennis robot receives the to-be-received tennis ball through a ball receiving assembly of the tennis robot at the ball receiving position. According to the embodiment of the invention, the tennis robot can accurately receive the tennis ball, the cyclic utilization of the tennis ball in the playing process is realized, and the playing experience is improved.

The utility model discloses a rubber turning device of a tennis open mill, which relates to the technical field of tennis open mills and comprises an open mill main body, a first roller and a second roller are arranged in the open mill main body, and a driving motor main body is arranged on one side of the first roller and one side of the second roller. A first screw rod is rotatably arranged at the end, away from the second roller, of the first roller, and a first servo motor is arranged on one side of the driving motor body. Meanwhile, a worker controls the rotating speed of a first servo motor, so that the rubber tapping speed of the cutting knife block can be flexibly adjusted, the problems that the labor intensity of manual rubber tapping is large, and the quality of manual rubber tapping is difficult to guarantee are solved, meanwhile, the rubber tapping quality of different workers is different, and the working efficiency is improved. And the yield and the quality stability of the tennis balls are directly influenced.

The invention discloses a tennis video data labeling method and system, and relates to the technical field of artificial intelligence, and the method comprises the steps: obtaining a tennis video image frame, and determining the coordinates of a normalized court key point and the visibility of the court key point through a convolution improved YOLOv11 court key point recognition model, determining upper team area segmentation line coordinates by adopting the normalized court key point coordinates, determining normalized personnel bounding box coordinates based on a personnel target detection model, and determining player bounding box coordinates according to the upper team area segmentation line coordinates and the normalized personnel bounding box coordinates, area-of-interest images of bounding box coordinates of all players are extracted and input into a human body posture estimation model to determine skeleton point coordinates and skeleton point visibility of the players, an improved YOLOv11 tennis target detection model is adopted to determine normalized tennis bounding box coordinates for tennis video image frames, and data are hierarchically integrated to determine a tennis mark data set. Based on the above scheme, the reliability of tennis video data labeling is improved.

The invention is suitable for the technical field of crossing of computer vision, artificial intelligence and sports science, and provides a tennis posture evaluation system based on multi-modal data fusion, which comprises a three-dimensional posture extraction module, an action recognition module, an index calculation module and a natural language evaluation generation module, the three-dimensional posture extraction module is used for extracting a human body three-dimensional key point sequence from a monocular video according to an STCFormer model; the action recognition module is used for performing standardization processing, Bi-LSTM network processing and full-connection classification network processing on the human body three-dimensional key point sequence to obtain tennis action types; the index calculation module is used for calculating biomechanical parameters according to the action type and the human body three-dimensional key point sequence; and the natural language evaluation generation module is used for inputting the action type and the biomechanical parameters into a preset large language model to generate feedback information in a natural language form. Therefore, end-to-end automatic processing from original video input to final professional evaluation report generation is realized, and objectivity and accuracy of evaluation results are improved.

A computing system receives pre-match data for an upcoming match between a first player and a second player. The computing system generates, using one or more prediction models, one or more pre-match predictions based on the pre-match data. The computing system receives in-match data for the match currently in progress. The computing system generates, using the one or more prediction models, one or more live match predictions based on the in-match data.

The utility model relates to the technical field of sports equipment, and discloses a tennis racket holding posture training structure which comprises a racket handle and racket faces, the racket handle is of an octagonal structure, each face of the racket handle in the clockwise direction is respectively provided with an indication mark number, a balance weight chamber is arranged in the racket handle, a balance weight assembly is arranged in the balance weight chamber, and the racket faces are provided with the indication marks. The balance weight assembly comprises a first balance weight core and a second balance weight core, the second balance weight core is arranged in the first balance weight core in an inserted mode, sliding grooves are symmetrically formed in the balance weight chamber, the first balance weight core is provided with a plurality of sets of first clamping plates which are symmetrically arranged, the first clamping plates are provided with rubber clamping beads, and second clamping plates are arranged in the sliding grooves. A clamping groove matched with the rubber clamping bead is formed in one face of the second clamping plate, and the edge of the clamping groove is designed into a round corner. The device can assist a user in correctly holding the racket, and the self weight of the racket can be flexibly adjusted, so that the grip strength training of the user is achieved.

A ball storage system, apparatus, and method includes a ball basket, with the system also including a ball collection robot. The robot has a scoop that can collect, transport, deposit, collect, and transport balls and the ball basket. The ball basket stores balls and has slots that interface with the scoop of the robot. The ball basket may additionally have extendable legs. The system, when configured, can collect and store balls, deposit them, lift the basket into a carrying position, and transport the basket to a desired location using the robot.