450 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.

A method, a system and a computer program product for delivering video clips of a sport to a user participating in the sport are provided. A camera is used to record and generate a video sequence of the sport participated by the user. A video clip is generated upon activation of a trigger by the user during participating the sport. The video clip includes at least a part of the video sequence and has a clip duration determined based on a timing of the activation of the trigger. The video clip can be delivered to the user upon request and / or payment. The trigger is provided in proximity to the user, such that the user can activate the trigger during participating the sport. The method, system and computer program product can be used to deliver video clips of sports, including table tennis, tennis, badminton, pickleball, Padel tennis, billiards, dancing, and so on.

A tennis rack assembling and conveying device comprises a transfer device, material transferring devices and a conveyor, the transfer device comprises a base and a set of adjusting wheels installed on the lower portion of the base, the two material transferring devices are symmetrically arranged on the transfer device, each material transferring device comprises a rack, the rack is rotationally connected with four chain wheels, and the outer sides of the chain wheels are rotationally connected with chains; a set of supporting devices are evenly connected to the chain, each supporting device is connected with the rack in a sliding mode, each supporting device comprises a supporting seat, the supporting seats are connected with a supporting plate in a sliding mode, the supporting plates are connected with the rack, in the material conveying process of the tennis frame assembly workshop, stacking and unstacking are integrated, material extrusion is avoided, and the material conveying efficiency is improved.

A shoe sole that is less likely to feel push-up on the sole at the time of landing and suppresses pronation to enable quick weight movement in running or jogging, while being widely available in sports requiring weight movement such as golf, tennis, basketball, soccer, and skateboarding, as well as that is lightweight, has good wearing comfort and provides stable walking even in using on the street or walking. The shoe sole includes a shoe sole main body made of a flexible material, and a plate made of a material having a flexural modulus higher than a flexural modulus of the flexible material constituting the shoe sole main body, in which at least two of the plates are included in the shoe sole main body.

To make an electronic apparatus execute an appropriate action to a user's action.SOLUTION: In an information processing system, a user can realize an ideal form of movement by a training menu or the like by setting a first condition. In the case of a tennis, a tennis court is reproduced on an AR, and a serve of about 100 km / h comes slightly to the right of a center line. At the same time with it, deviation of body movement from an avatar realizing an ideal form of a trajectory to follow by the user himself / herself and how to swing a racket is displayed on the AR in real time. Also, a reproduced image may be displayed after a lesson. The direction and the speed of the serve can be instructed in each ball, and at first, a plurality of balls (e.g., 10 balls like the above) can be instructed so as to repeat setting of the same condition. In the case of being the same condition, a display of an instructed condition is repeated as a basic motion regardless of a user's situation (a delay of swing or the like). Condition setting can be changed in accordance with a user's training situation.SELECTED DRAWING: Figure 16

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 utility model discloses a tennis racket grip strength testing device, which relates to the field of testing devices and comprises a tennis racket, terminal equipment, a digital conversion module, a wireless transmission module, a wireless receiving module, a flexible sensor, a lithium battery and a battery fixing component. The digital conversion module and the wireless transmission module are arranged on the inner side of a racket throat of the tennis racket, the lithium battery is fixedly installed in the racket throat of the tennis racket through the battery fixing assembly, a racket handle of the tennis racket is of an octagonal prism structure, and the flexible sensors are arranged on the side faces of the racket handle of the tennis racket respectively. The wireless receiving module is electrically connected with the terminal device, the flexible sensor is electrically connected with the digital conversion module, the lithium battery is electrically connected with the digital conversion module and the wireless transmission module, the digital conversion module is electrically connected with the wireless transmission module, and the wireless transmission module is in communication connection with the wireless receiving module. The grip strength testing device can solve the problem that a traditional grip strength testing device is poor in user experience in the actual movement process.

A method and system for assessing heaviness of a stroke in a racket sport, such as a groundstroke in tennis, is disclosed. The system may display the calculated heaviness of the stroke in real-time. As the player hits strokes, the system will measure linear and rotational speed of the ball and calculate a heaviness value for the stroke based on the physics of translational and rotational kinetic energy of the ball.

The jacking system comprises a jacking base provided with sinking grooves, and telescopic lifting auxiliary parts are installed in the four grooves in an embedded mode; a telescopic jacking piece is mounted in the middle of the top surface of the jacking seat; a pull rod is rotatably hinged to the top of the jacking part, a jacking frame for supporting the net rack ball is installed on the top face of the jacking base, the jacking part is located in the middle of the jacking frame, and the inner face of the bottom of the jacking frame is rotatably hinged to the bottom of the pull rod. In a jacking system of the constructed tennis frame, in the jacking process of the jacking frame, when a pull rod, hinged to a jack, of the jacking frame is subjected to fatigue damage, the four lifting auxiliary pieces can support the four feet of the bottom of the jacking frame at the same height, and the jacking frame is not damaged; the problem that four legs at the bottom of a jacking frame cannot be supported at the same height when a single jack is mounted in the middle of a jacking seat and a pull rod is subjected to fatigue damage is solved.

The present invention relates to a tennis training stand in which a horizontal pole (120) is horizontally mounted at a predetermined point of a vertical part (110) of a building or a structure to form a basic frame of the tennis training stand, a string is hung from an end of the horizontal pole of the basic frame toward the ground, a tennis ball is hung on an end of the string, and then the ball is hit with a racket. The training stand can be used for personal purposes. However, the training stand is intended for public use to be mainly installed in a flood plain in the riverside of a city, a school playground, or the like, so that anyone can bring a ball and a racket and practice tennis in a fun and realistic way. Therefore, the height of the training stand from the ground should be quite high. Accordingly, provided is a technology for minimizing problems such as a problem of connecting or separating a ball string at the end side of the horizontal pole (120) at a high position and an unexpected situation in which the ball string (151) is caught on the horizontal pole during hitting practice.

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.

1. The name of this design product: Cage-type tennis rebound trainer. 2. Purpose of this design product: for cage tennis training. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic drawing 1. 5. Designate Design 1 as the base design. 6. Description of other situations that need to be explained: This appearance design product can be folded and stored, which is convenient for moving and carrying, as shown in Design 1 Reference Figures 1 and 2; This appearance design product can also adjust the tension of the elastic net by adjusting the hanging method of the top elastic rope, as shown in Design 1 Reference Figure 3. The elastic net of this product can have two tension states.

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.