305 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.

The invention discloses a tennis action recognition method and device based on deep learning, and the method comprises the steps: detecting and positioning a tennis hitting moment through an acoustic event, extracting a certain number of frames, and inputting the frames into an action recognition network; the method comprises the following steps: performing spatial feature extraction on each frame in a to-be-detected tennis skill action video sequence by using a convolutional neural network, capturing features related to object deformation by using deformable convolution, enhancing the spatial features through channel attention, focusing key features, and obtaining feature vectors capable of representing player movement information; and inputting the spatial feature vector of each frame into Transform to calculate the correlation of the spatial feature vector in time, simulating the deviation degree between different frame actions by using relative position coding, enhancing the correlation between different frames, and finally performing technical action classification by using a multi-layer perceptron as a classifier. According to the method, the hitting moment is positioned through acoustic event detection, space information and time information are processed separately in combination with a convolutional neural network and a Transform, and a multi-layer perceptron is used as a classifier. By means of the method, the skilled actions used by the tennis player can be efficiently and rapidly recognized.

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

The present invention discloses a bionic filtering mechanical arm and a filtering robot, comprising a base, a tennis ball shrimp bristle filtering module, a driving module and a transmission mechanism; the tennis ball shrimp bristle filtering module has a plurality of filtering nets arranged according to the tennis ball shrimp bristles; the transmission mechanism is configured to connect the tennis ball shrimp bristle filtering module and the driving module; wherein the driving module is configured to rotate the plurality of filtering nets so as to change the water frontage areas of the plurality of filtering nets, and the driving module and the transmission mechanism are both configured on the base; the bionic filtering mechanical arm can adjust the water frontage areas of the filtering nets in a changeable marine environment.

The invention discloses an intelligent tennis ball picking robot, and particularly relates to the technical field of robots, in the vision aspect, an OpenMV vision module is used, environment information and test information are collected, the running speed of the robot is predicted through a time sequence model, PID control is used for a chassis, the real running speed of the robot is made to be consistent with the predicted running speed, and the running speed of the robot is guaranteed. Specific parameter adjustment is carried out in the aspect of tennis ball picking, so that the tennis ball is smoothly operated in a tennis court scene; an HC-08 Bluetooth module is additionally arranged, wireless communication with other devices can be achieved, a user can have better experience, and the robot can be controlled by himself / herself to grab a tennis ball; and the predicted driving speed is determined, the maximum value and the minimum value of the angle of the steering engine correspond to the corresponding predicted driving speed, then the steering engine is controlled to rotate to grab the tennis ball, and the tennis ball grabbing is more accurate.

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.

The present disclosure includes a training device for practicing a hitting a ball with a racquet or paddle. The training device includes a base, a vertical arm extending from the base, a horizontal arm coupled to the vertical arm, a tether coupled to the horizontal arm, with a ball coupled to an end of the tether distal from the horizontal arm. The horizontal and vertical arms may be adjusted to increase or decrease their length as needed. The tether may also be extended or shortened to position the ball at the desired height for practice. The base is adapted to be received in the laptop compartment of a backpack to secure the base to a user.

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.

1. The name of the product of this design: Short Sleeve (Tennis Ball with Hat). 2. Purpose of the product of this design: for wearing. 3. The design key point of this appearance design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the key points of the design: main view. 5. This appearance design product is a thin product, and the left view, right view, top view and bottom view are omitted.

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.

The invention discloses screening equipment based on computer visual identification, and relates to the technical field of tennis screening, the screening equipment comprises a mounting plate, and further comprises a material conveying assembly arranged between feeding assemblies, a material collecting barrel arranged above the feeding assemblies, a mounting ring fixedly arranged on the material collecting barrel in a sleeving manner, and movable rods fixedly connected to the two sides of the mounting ring; a vibration assembly is arranged on one side of the mounting ring, mounting beams are arranged on the two sides of the material collecting barrel, a fixing plate is fixedly connected between the mounting beams on one side of the material collecting barrel, a color recognition module is arranged on the fixing plate, a screening executing mechanism is arranged on one side of the color recognition module, and a screening recycling box is arranged on one side of the screening executing mechanism; a flow guide plate is fixedly connected to the side, close to the feeding assembly, of the screening recycling box, a bearing assembly is arranged between the recycling box and the second mounting rod, and a material receiving box is fixedly arranged on one side of the mounting plate. The screening efficiency of the device is higher, the device can be conveniently taken and used by operators at any time, the use flexibility is greatly improved, and the actual use effect is better.

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.

A grip attachable to a sports stick may have a grip surface gripped by a hand of a user, the grip surface including N surfaces in contact with each other, wherein the cross section of the grip is a polygon having N sides depending on the number of the surfaces, the lengths of the bases of at least two surfaces among the surfaces are greater than the lengths of the bases of the remaining surfaces, a grip guide line parallel to the shaft is displayed in the center of each plane, by selecting one grip guide line that matches the reference line of the shaft of the golf club from among the N grip guide lines, the grip surface that meets the user's hand changes, N is a positive integer, and the sports stick includes a golf club, a tennis racket, a table tennis racket, a hockey stick, or a badminton racket.

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.