207 results about "Tennis racket" patented technology

The invention discloses a sensing device for ball hitting detection and a tennis racket. The sensing device comprises a sensor element, and the sensor element is combined with a data fusion algorithm to conduct data monitoring on the ball hitting force, the ball hitting speed and the ball hitting position of the tennis racket; the sensor element comprises an IMU (Inertial Measurement Unit) sensor, physical quantity parameters in a tennis racket batting and waving process and an acoustic sensor, and is used for analyzing batting force, batting speed and batting position; the Bluetooth communication element is used for realizing wireless communication; the energy collector is used for converting kinetic energy generated by ball hitting of the tennis racket into electric energy to supply power to the sensor component; data monitoring is carried out on the ball hitting force, the ball hitting speed and the ball hitting position, the IMU sensor, the acoustic sensor and the energy collector are used in cooperation and combined with a data fusion algorithm, the defects of a traditional single sensor are effectively overcome, the positioning and tracking precision is improved, the energy collector is used for storing and using electric energy, and the positioning and tracking precision is improved. And power consumption is reduced.

The invention belongs to the technical field of computer vision and action recognition, and discloses a table tennis swing key frame recognition method and system, and the method comprises the steps: carrying out the posture estimation of a table tennis motion video frame by frame, extracting twelve skeleton key points including shoulders, elbows, wrists, hips, knees and ankles, and carrying out the recognition of the key frames; normalization is completed with the shoulder midpoint as a translation reference and the shoulder width as a scaling factor, and a standardized skeleton sequence is obtained; sequentially inputting the sequence into a three-layer one-dimensional convolutional network to extract local features, adding a learnable position code after convolution output, and then inputting a time sequence modeling network formed by six layers of Transformer encoders to capture a long-time dependency relationship; and finally, outputting five types of results of forehand shooting, forehand swing, backhand shooting, backhand swing and non-key frames through a two-layer full-connection network. The system is composed of a data processing module, a feature modeling module and a key frame recognition module, and stable recognition of table tennis swing key frames can be achieved.

The invention discloses a tennis racket batting data monitoring system based on an intelligent sensor, and particularly relates to a training data monitoring technology, which comprises a four-layer collaborative architecture, an intelligent tennis racket, an intelligent bracelet and a communication module, the four-layer collaborative architecture is composed of a sensor layer, an unmanned aerial vehicle collaborative layer, an edge computing layer and a cloud / user layer; a first communication module is arranged in the unmanned aerial vehicle cooperation layer and used for receiving racket data and environment perception, and the unmanned aerial vehicle cooperation layer communicates with the sensor layer in real time. According to the tennis racket ball hitting data monitoring system based on the intelligent sensor, comprehensive monitoring and analysis of tennis ball hitting data are achieved, the system can capture detailed information at the ball hitting moment, and an accurate ball hitting quality score is generated in combination with physiological data and environmental factors of players; scientific training feedback and competition strategy support are provided for players; the self-adaptive feedback control function of the system can dynamically adjust the training intensity according to the physical state of the player, and the training effect is effectively improved.

A portable badminton net rack includes a box, a first support rod, a second support rod, a net, a battledore and a badminton, the box includes an upper box and a lower box hinged to the upper box, an accommodation groove is defined in the lower box, the accommodation groove is configured to accommodate the net, the battledore and the badminton, the first support rod and the second support rod are each configured as a telescopic rod and are hinged to two sides of the lower box, respectively, each side of the net is provided with a connecting bush, and when the portable badminton net rack is in a use state, a first connecting bush of the two connecting bushes is sleeved on the first support rod, and a second connecting bush of the two connecting bushes is sleeved on the second support rod.

A vibration dampener device configured to install to the stings of a racket for dampening a vibration energy of the strings, and which allows for adjustable / tunable dampening may comprise a dampening member configured to capture a first string segment and a second string segment of the racket; and a holder assembly comprising a post including post threading, a tension adjustment nut threadably engaged to the post threading, and at least one plate.

The present application discloses an accessory for items of sporting equipment. Implementations may provide an accessory comprising a structure configured to be affixed to a first end of an item of sporting equipment meant to be swung or rotated, such as a baseball bat, lacrosse stick, or tennis racquet. The addition of the accessory results in movement of the center of mass of the sporting item. Implementations may be varied in weight and dimension such that the center of mass of the sporting item is moved to a location optimal for the demands of the sport and individual athletes' needs.

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 relates to the technical field of training equipment transfer, in particular to a convenient physical training equipment transfer device with a lifting function. The convenient physical training equipment transfer device with the lifting function comprises a bottom frame, a handle, a bottom frame, a lifting frame, moving wheels, a threaded rod, a return spring, a wire spool, a wire wheel, a pull rope and a driving assembly, the handle is rotationally connected to the front side of the bottom frame, the bottom frame is installed at the top of the bottom frame, a sliding groove is formed in the bottom frame, and the lifting frame is arranged in the sliding groove. The lifting frame is in sliding connection with a sliding groove in the bottom frame. The interiors of the bottom frame and the lifting frame are reasonably partitioned, basketballs, footballs and volleyballs are stored in a front side cavity according to the sizes of balls, table tennis balls are stored in a rear right side cavity, a feeding hopper and a sliding cover are designed correspondingly, storage and taking are convenient, meanwhile, badminton rackets and table tennis rackets are stored in a large-size racket frame and a small-size racket frame respectively, sports equipment is clearly classified, mutual collision and damage are avoided, and the service life of the sports equipment is prolonged. And the equipment management and taking efficiency is greatly improved.

1. Name of the product in this design: Table tennis racket blade. 2. Purpose of this design: For use in table tennis rackets. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A double grip tennis racquet includes a generally oval-shaped racquet head, a throat that extends downward from the bottom end of the racquet head, a handle that is positioned along the bottom of the throat, a pair of struts that extend diagonally outward from the bottom of the handle, and a pair of grips that extend downward from the struts. The struts position each of the grips parallel both to each other, and to the centerline of the racquet. Each of the grips include a layered construction having a core layer that is formed as a unitary member with the struts, the handle, throat and racquet head, and an impact absorbing outer layer. Each of the grips include a separation distance of 3 inches and a length of 8 inches. The overall length of the racquet is 29 inches to conform to ITF standards.

The present invention relates to a padel racket that is strung on its two striking surfaces instead of being solid. Thus, the resulting racket has the following elements: A) a handgrip or gripping handle covered by a grip adapted in size to the player, in order to control muscle tension and allow smooth wrist movement; B) the heart or throat of the racket provided with a bridge and reinforcement, which acts as a connecting link between the handgrip and the head and does not present any distinctive features in the present invention; and C) two striking surfaces or faces which in the present invention are strung, so that both faces are configured by a double string network system, each of the faces being a network pattern or grid parallel to the opposite face.

The invention relates to the technical field of table tennis bats, in particular to an intelligent table tennis bat which comprises a bat body and an upper computer and further comprises a plurality of pressure sensors, a controller and an acceleration sensor, the pressure sensors are evenly distributed on the bat body and used for detecting pressure borne by the bat body, and the controller is arranged on the bat body and used for controlling the acceleration sensor. The pressure sensor is arranged on the racket and used for transmitting a numerical value detected by the pressure sensor to an upper computer, and the acceleration sensor is arranged on the racket and used for detecting the shape of the racket; the pressure sensor can realize large-range detection, and the average detection accuracy before and after rubber covering exceeds 90%; a ball hitting force detection system carried by the racket has relatively high accuracy, the error after correction is within 1%, and the system can be used as a powerful supplement for high-precision digital table tennis motion data acquisition and analysis equipment in a table tennis actual combat laboratory; the real-time analysis accuracy rate of the racket shape is 100%, the response time is within 1ms, and the racket shape can be matched with the ball hitting part and force to integrally display the ball hitting condition.

A pipe fitting and a tennis racket, the pipe fitting including an inner frame portion extending along a first axial direction, an outer frame portion spaced from the inner frame portion along a second axial direction perpendicular to the first axial direction, and a wide portion extending straightly from the outer frame portion to the inner frame portion along the second axial direction, the narrow part is connected between the inner frame part and the outer frame part and is in an arc shape. And the length of the wide part along the second axial direction is greater than the length of the narrow part along the second axial direction. The tennis racket comprises a racket frame, the racket frame is formed by bending the pipe fitting and defines a ball hitting area in a surrounding mode, and the inner frame part surrounds the ball hitting area. When the tennis racket is used, one side of the wide part or one side of the narrow part swings windward, the tennis racket can bear different air resistances, a user can select different racket holding modes according to different use requirements, and different swinging feelings are generated.

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.

1. Name of the product in this design: Ping Pong Board Packaging Box (301). 2. Purpose of this design: This design is used for packaging table tennis rackets. 3. The main design features of this product are the combination of color, shape, and pattern. 4. The picture or photograph that best illustrates the key design features of this design: front view. 5. This design patent seeks to protect the colors of the design.

1. Name of the designed product: shoulder bag (mini tennis racket). 2. Use of the designed product: for containing articles. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

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.

1. Name of the product in this design: Ping Pong Board (Collector's Edition Hurricane King). 2. Purpose of this design: This design is used for a table tennis racket. 3. The main design features of this design are the combination of product shape and pattern. 4. The picture or photograph that best illustrates the key design features of this design: front view.

The utility model relates to the technical field of tennis racket processing and production, and discloses side edge equidistant drilling equipment for carbon fiber tennis racket production, which comprises a table top, a mounting seat is fixedly arranged at the rear end of the top of the table top, and a carbon fiber dust absorber is fixedly arranged at the bottom of the table top. When the device is used for fixing the racket framework, the electric telescopic rods at the upper end and the lower end of the oval rotating disc are controlled to stretch out, so that the two supporting blocks support the racket framework from the interior of the framework, the upper end and the lower end in the framework are clamped in the fixing grooves, fixing is achieved, and the racket framework can be conveniently and rapidly installed, fixed and disassembled; and the drill bit containing groove is formed in the supporting block, a cavity can be formed between the drill bit containing groove and the framework, interference between the drill bit and the supporting block can be avoided when the drill bit drills the framework, and the situation that the drill bit damages the supporting block is prevented.

The utility model relates to the technical field of tennis rackets and discloses a portable tennis racket which comprises a racket head, two supporting rods are fixedly arranged on the outer side of the racket head, a connecting plate is fixedly arranged between one ends of the two supporting rods, and a fixing rod is fixedly arranged on one side of the connecting plate. A plurality of reinforcing ribs are fixedly arranged on the outer side of the fixing rod and fixedly connected with the connecting plate, a racket handle is arranged on one side of the connecting plate and arranged on the outer side of the fixing rod in a sleeving mode, a plurality of reinforcing plates are fixedly arranged in the racket handle, and one end of each reinforcing plate is buckled on the outer side of the fixing rod. Meanwhile, the bat handle is arranged on the outer side of the fixing rod in a sleeving mode, the bat handle is hollow, the weight is reduced, a reinforcing plate in the bat handle is buckled on the outer side of the fixing rod, meanwhile, an inserting plate at one end of the bat handle and a first limiting protrusion are both inserted into a connecting plate, and therefore the bat handle is limited, and the bat handle is convenient to disassemble, assemble and clean.

1. Name of the product under this design: Tennis Racket (TNS‑3181). 2. Purpose of this design product: used for playing tennis. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model relates to the technical field of table tennis bat marking, and discloses a positioning mechanism of a table tennis bat marking device, which comprises a workbench, a marking machine is arranged at the top of the workbench, a controller is arranged at the top of the workbench, and bases are arranged at four corners of the bottom of the workbench. A positioning structure is arranged at the top of the workbench and comprises a placement plate, a fixed box, a double-end threaded rod, two movable plates, two limiting assemblies, two abutting assemblies and a driving assembly, and the placement plate is arranged at the top of the workbench. According to the table tennis bat marking device, the table tennis bat can be placed through the arrangement of the placing plate, and the placed table tennis bat can be fixed through the fixing box, the double-end threaded rod, the two movable plates, the two limiting assemblies, the two abutting assemblies and the driving assembly, so that the stability of the table tennis bat during marking is ensured; therefore, the marking attractiveness of the table tennis bat is further ensured.

The invention relates to an elongated handle (2) for a racket, in particular a tennis racket, having a first handle end (2a) for setting the direction of the head of the racket and a second handle end (2b) opposite the first handle end (2a), and having a gripping section (3) arranged between the first handle end (2a) and the second handle end (2b), the gripping section (3) having a first gripping region (3a) and a second gripping region (3b), the first gripping region (3a) has a first outer contour (4) formed in substantially the same manner along the central longitudinal axis (L) of the handle (2), in particular over the entire longitudinal extension thereof, and the second gripping region (3b) extends along the central longitudinal axis (L) of the handle (2) from the starting point (6d) of the recess (6) to the second handle end (2b) with a second outer contour (5) having the recess (6) located in the handle cross-section. In order to first improve the operability of the handle (2), it is proposed that the recess (6) has a specially shaped bottom (6a).

1. Name of the product in this design: racket hook. 2. Purpose of this design: For hanging badminton rackets, table tennis rackets, etc. 3. The key design features of this product are its perspective view. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. Name of this design product: Tennis racket handle. 2. Purpose of this design: For use in tennis rackets. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

A ball racket handle, especially a tennis racket handle, is characterized by the fact that the handle is shaped by recesses / elevations (profiling) for one or more fingers / finger joints and / or palms in such a way that the positions of the striking hand, longitudinally and transversely to the longitudinal axis of the handle, are predetermined for the proper execution of basic strokes.

1. The name of this design product: Table tennis racket (Crescent-shaped). 2. Purpose of this design product: for table tennis. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Main view of Design 1. 5. The rear view is symmetrical with the main view, and the rear views of Design 1 and Design 2 are omitted; the left view, right view, top view and bottom view of Design 1 and Design 2 are omitted. 6. Designate Design 1 as the base design. 7. The main difference between Design 2 and Design 1 is the width of the handle.

The utility model discloses a vulcanizing device for table tennis bat film production, which comprises a device body, a vulcanizing table, a lower mold, an air nozzle and an air blowing pipe, the vulcanizing table is arranged at the top end of the device body, and a first rotary driving piece is arranged in the vulcanizing table; the output end of the first rotary driving part extends to the top end of the vulcanizing table and is provided with a rotary table, the lower mold is arranged at the top end of the rotary table, a device frame body is fixed to the upper portion of the device body, a vulcanizing machine head is arranged below the device frame body, and an upper mold is arranged in the vulcanizing machine head; the screw rod is installed at the top of the device body, the cooling tables are fixed to the positions, on the two sides of the screw rod, of the top end of the device body, the air nozzles are installed at the top ends of the cooling tables, the cross arms are installed at the positions, above the air nozzles, of the top ends of the cooling tables, and the air blowing pipes are installed at the bottom ends of the cross arms. According to the utility model, the film is subjected to air injection and cooling, so that the film is convenient to demould quickly and is not easy to adhere and damage.

1. Name of the product under this design: tennis racket. 2. Purpose of this design product: used as a tennis racket. 3. The key point of the design of this product lies in its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.