CN110280003B - Aerobics pedal jumping device for physical training and training method - Google Patents
Aerobics pedal jumping device for physical training and training method Download PDFInfo
- Publication number
- CN110280003B CN110280003B CN201910698317.XA CN201910698317A CN110280003B CN 110280003 B CN110280003 B CN 110280003B CN 201910698317 A CN201910698317 A CN 201910698317A CN 110280003 B CN110280003 B CN 110280003B
- Authority
- CN
- China
- Prior art keywords
- conduction
- fixed
- pedal
- training
- stress
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B2071/0691—Maps, e.g. yardage maps or electronic maps
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/20—Distances or displacements
- A63B2220/24—Angular displacement
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention provides a gymnastics stepping and jumping device for physical training and a training method, wherein the gymnastics stepping and jumping device for physical training is characterized by comprising a bottom plate, a group of support columns are arranged at one end of the left side of the bottom plate in parallel, a clamping seat arranged at the top end of each support column, a fixing part arranged on the clamping seat, a pedal arranged on the fixing part, and a linkage part arranged on the clamping seat and hinged with the fixing part, a conduction part is arranged at one end of the right side of the linkage part, a meshing part is arranged at the bottom of the conduction part, the meshing part comprises a positioning ball body, a semicircular tooth socket is arranged at the lower part of the positioning ball body, the semicircular tooth socket is meshed with a conduction gear arranged at the bottom of the meshing part, the conduction gear is fixed in an upper cover, the lower part of the conduction gear is meshed with a shaft rod, a measuring device is arranged in the shaft rod, and, the shaft lever is fixed in the groove body of the lower cover. According to the stepping device, the trainee can be trained, and a training method is formed.
Description
Technical Field
The invention relates to a physical training device, in particular to a aerobics jump device for physical training and a training method.
Background
The aerobics exercises are sports which are deeply loved by the masses, have extremely strong popularity and integrate gymnastics, dancing, music, body building and entertainment.
The movements of upper and lower limbs, trunk, head and neck and foot stepping in disco dance, jazz dance and thunderbolt dance, especially the hip movement, are absorbed in a large amount in the aerobics exercises, so that the vitality of the aerobics exercises is increased, the accumulation of fat at the hip and the abdomen is reduced, and the coordination and the flexibility of the movement are improved.
Aerobics exercises are aerobic exercises, and are characterized by lasting whole body exercises of a certain duration and low or medium degrees, mainly exercise the cardio-pulmonary function of exercisers and are the basis of aerobic endurance quality. The jumping aerobics exercises have a plurality of advantages, can not only help people to effectively build the body, but also have the effect of losing weight, and the exercise weight-losing method integrates the body building and the body building, is particularly suitable for women, and is popular with the vast female siblings.
The most important thing of aerobics exercises is the combination of force and beauty, the traditional aerobics training device adopts a step-on jump device which only has the functions of assisting jumping and buffering and can not improve the strength of trainees, people know that the strength of each action of aerobics needs to be adjusted, so that more beautiful dance postures can be displayed, if the strength and the combination of front and back footsteps are not in place, the dance postures are seriously influenced, the traditional aerobics can not analyze the strength of trainees, and therefore, the correction of the dance postures can only be judged through experience. Has great limitations.
Disclosure of Invention
Accordingly, the present invention is directed to provide a gymnastic device for physical training and a training method thereof.
The technical scheme adopted by the invention is as follows:
the utility model provides a gymnastics is stepped on and is jumped ware for sports training, includes the bottom plate, is provided with a set of pillar in parallel at bottom plate left side one end, sets up the cassette on each pillar top, sets up the fixed part on the cassette, sets up the running-board on the fixed part to and set up on the cassette with fixed part articulated interlock portion, interlock portion right side one end is provided with the conduction portion, the bottom of conduction portion is provided with meshing portion, meshing portion includes a location spheroid, and location spheroid lower part is provided with semi-circular tooth's socket, semi-circular tooth's socket and the meshing of the conduction gear that sets up in the meshing portion bottom, the conduction gear is fixed in the upper cover, the lower part and the axostylus axostyle meshing of conduction gear, the inside of axostylus axostyle is provided with measuring device.
Furthermore, the bottom of fixed part is provided with the bullet piece, and this bullet piece left side one end is articulated with the cassette, and right side one end and interlock portion block.
Further, the conduction portion includes the conduction pole, and this conduction pole is fixed with interlock portion, and is provided with fixation nut respectively with the upper and lower both ends of connecting portion, and the bottom of conduction pole is location spheroid fixing base, and the inside location spheroid that is provided with of location spheroid fixing base.
Furthermore, the transmission gear is meshed with a shaft lever tooth groove formed in the shaft lever, a rotating shaft is arranged on the transmission gear and fixed to the upper end of the upper cover, and a rotating bearing is arranged on the upper cover in a matched mode.
Furthermore, V-shaped groove bodies are arranged at two ends of the lower cover, a clamping groove is formed in the middle of each V-shaped groove body, and the shaft lever is fixed in the clamping groove.
Further, the measuring device comprises an outer barrel, a group of auxiliary gears are arranged inside the outer barrel, and measuring sensors are arranged between the auxiliary gears.
Further, the measuring sensor is an angular displacement sensor.
Further, the right side one end of casing is provided with stop device, stop device includes spacing axle, and this spacing axle setting is on the limiting plate, and the limiting plate is fixed on the X axle slide, and the X axle slide is fixed on the X axle slide rail, and this X axle slide rail is fixed on Y axle slide, and this Y axle slide is fixed on Y axle slide rail, and Y axle slide rail is fixed on the bottom plate.
A gymnastics training method for sports training includes such steps as applying different forces to the pedal plate to make the pressure of pedal plate to fixed part different, transmitting the fixed part to linking part via elastic block, transmitting the acting force to locating ball via transmission part, generating different side motions with the semi-circular tooth slot and transmission gear, and measuring the angular displacement of each gear.
Further, the stress curve is corrected according to the stress curve graph and the self gravity of the trainer to obtain a stress correction curve, and the best combination of strength and beauty is obtained according to the stress correction curve.
The invention provides a stepping device which can do different actions according to trainees on pedals, preferably, the setting area of each pedal is 300cm2～1000cm2According to the action of aerobics exercises, a plurality of point positions are arranged on the pedal, each point position represents different walking positions, the force curve of the trainee in the walking position is obtained according to different walking positions, and the optimal combination of force and beauty is obtained according to the stress curve graph.
The mode solves the problem that the traditional stepping and jumping device cannot analyze the strength of the trainee, the strength of the trainee can be obtained through the strength analysis of the trainee, the force for walking each time can be reasonably corrected, and the stepping and jumping device is suitable for different groups and is not limited.
Drawings
FIG. 1 is a schematic structural view of a stepping device according to the present invention;
FIG. 2 is a schematic view of a portion of the structure of the step jump device of the present invention;
FIG. 3 is a schematic diagram of the force transmission structure of the present invention;
FIG. 4 is a side view of the object of the present invention;
fig. 5 is a force curve correction diagram for a certain section of aerobics exercises in the present invention.
The specific implementation mode is as follows:
the present invention provides a gymnastics stepping device for sports training and a training method thereof, and the present invention is specifically described below with reference to the accompanying drawings and examples.
Referring to fig. 1 to 4, the present invention provides a gymnastic jump device for physical training, comprising a base plate 1, a set of pillars 2 arranged side by side at one end of the left side of the base plate 1, a clamping seat 4 arranged at the top end of each pillar 2, a fixing part 5 arranged on the clamping seat 4, a pedal 3 arranged on the fixing part 5, and a linkage part 7 arranged on the clamping seat 4 and hinged with the fixing part 5, wherein the fixing part 5 and the linkage part 7 are connected by a third hinged rod 6, one end of the right side of the linkage part 7 is provided with a conduction part, the bottom of the conduction part is provided with a meshing part 10, the meshing part 10 comprises a positioning sphere 27, the lower part of the positioning sphere 27 is provided with a semicircular tooth groove 28, the semicircular tooth groove 28 is meshed with a conduction gear 21 arranged at the bottom of the meshing part 10, the conduction gear 21 is fixed in an upper cover, the lower part of the conduction gear 10 is meshed, the measuring device is fixed inside a shell consisting of an upper cover and a lower cover 13, V-shaped groove bodies 30 are arranged at two ends of the lower cover 13, a clamping groove 31 is arranged in the middle of each V-shaped groove body, and the shaft rod 13 is fixed in the clamping groove 31.
In the above, the bottom of the fixing portion 5 is provided with the spring block 17, and the left end of the spring block 17 is hinged to the holder 4, and when the spring block 17 is hinged, the first hinge rod 18 is preferably used to connect the spring block 17, and the right end of the spring block 17 is preferably engaged with the interlocking portion, and the interlocking portion is connected to the holder 4 by the second hinge rod 19.
When a trainee acts on the pedal plate 3, the pressure transmitted from the pedal plate 3 to the fixing part 5 is different due to different stress, the fixing part 5 is transmitted to the linkage part through the elastic block 17, in the process, when the trainee acts on the front half part of the pedal plate 3, the elastic block 17 is bounced, when the trainee acts on the rear half part of the pedal plate 3, the elastic block 17 is pressed down, and the elastic block 17 is always in contact with the linkage part, so that the connecting part is jacked up or falls down, the connecting part transmits the acting force to the positioning ball 27 through the transmission part, and due to different stress on the front and the rear parts of the pedal plate 3, the semicircular tooth grooves arranged at the lower part of the positioning ball 27 and the transmission gear form different side end motions, so that the transmission gear rotates forward 21 or reversely, and the transmission gear 21 rotates forward or reversely to rotate the shaft rod forward or reversely, the measuring device measures each positive or negative angular displacement, forms a stress curve graph according to the obtained angular displacement, and obtains the best combination of force and beauty according to the stress curve graph.
In the foregoing, the conduction portion includes conduction pole 8, and this conduction pole 8 is fixed with interlock portion, and is provided with fixation nut 9 respectively with the upper and lower both ends of connecting portion, and the bottom of conduction pole 8 is location spheroid fixing base 20, and the inside location spheroid that is provided with of location spheroid fixing base.
In the above, the transmission gear 21 is engaged with the shaft spline 32 provided on the shaft 12, the transmission gear 21 is provided with the rotating shaft 29, the rotating shaft 29 is fixed on the upper end of the upper cover, and the upper cover is provided with the rotating bearing 36.
In the above, the measuring device includes an outer cylinder 33, a set of auxiliary gears 34 is disposed inside the outer cylinder 33, and a measuring sensor is disposed between the auxiliary gears 34. The measuring sensor is an angular displacement sensor.
In the above, a limiting device is arranged at one end of the right side of the housing, the limiting device includes a limiting shaft 16, and the limiting shaft 16 is used for fixing and limiting the housing. The limiting shaft 16 is arranged on the limiting plate, the limiting plate is fixed on the X-axis sliding plate 11, the X-axis sliding plate 11 is fixed on the X-axis sliding rail 15, the X-axis sliding rail 15 is fixed on the Y-axis sliding plate 14, the Y-axis sliding plate 14 is fixed on the Y-axis sliding rail 25, and the Y-axis sliding rail is fixed on the bottom plate 1.
The invention also relates to a training method of aerobics exercises for sports training, which comprises the steps that when the foot pedal acts, the pressure transmitted to the fixing part by the foot pedal is different due to different stress, the fixing part is transmitted to the linkage part through the elastic block, the connecting part transmits acting force to the positioning ball body through the transmission part, and the semicircular tooth grooves arranged at the lower part of the positioning ball body and the transmission gear form different side end motions due to different stress at the front and the back of the foot pedal, so that the transmission gear rotates forwards or backwards, the forward rotation or the reverse rotation of the transmission gear enables the shaft rod to rotate forwards or backwards, the measuring device measures each forward rotation or reverse rotation angle displacement, a stress curve graph is formed according to the obtained rotation displacement, and the optimal combination of force and beauty is obtained according to the stress curve graph.
In the above, the stress curve is corrected according to the stress curve graph and the self gravity of the trainer to obtain a stress correction curve, and the best combination of strength and beauty is obtained according to the stress correction curve.
The invention provides a stepping device which can do different actions according to trainees on pedals, preferably, the setting area of each pedal is 300cm2～1000cm2According to the action of the aerobics exercises, a plurality of point positions are arranged on the pedal, each point position represents different walking positions, the force curve of a trainee when the trainee walks at the walking position is obtained according to different walking position measurement, specifically, when the pedal moves, the pressure transmitted to the fixed part by the pedal is different due to different stress, the fixed part is transmitted to the linkage part through the elastic block, the connecting part transmits the acting force to the positioning ball body through the transmission part, and the semicircular tooth grooves arranged at the lower part of the positioning ball body and the transmission gear form different side end motions due to different stress at the front and the back of the pedal, so that the transmission gear rotates forwards or backwards, the shaft rod rotates forwards or backwards due to the forward rotation or the backward rotation of the transmission gear, and the angular displacement sensor detects each forward rotation or the backward rotation, and measures eachAnd (4) rotating angular displacement, forming a stress curve graph according to the obtained angular displacement, and obtaining the optimal combination of force and beauty according to the stress curve graph.
The mode solves the problem that the traditional stepping and jumping device cannot analyze the strength of the trainee, the strength of the trainee can be obtained through the strength analysis of the trainee, the force for walking each time can be reasonably corrected, and the stepping and jumping device is suitable for different groups and is not limited.
In the above technical solution, the pedal is correspondingly provided with a set of pedals, the corresponding fixing portion, the linking portion, the conducting portion, the meshing portion, the positioning ball, the conducting gear and the shaft rod are also correspondingly provided with a set of pedals, the force curves obtained by the different walking positions of the left and right feet are different, referring to fig. 5, fig. 5 is a stress curve correction diagram of a certain section of aerobics exercises in the present invention, and the correction result curve thereof falls within a set threshold value, such as between exemplary drawing points (1, 1) in fig. 5 of the present invention, which means that in the section of aerobics exercises, the strength of the trainee is better, and the combination action can make the dancing posture of the trainee form the best combination of force and beauty.
In the above technical solution, a group of pedals is correspondingly provided, and in other technical solutions, the group of pedals may be provided as one, and the corresponding structures, such as the fixing portion, the interlocking portion, the conducting portion, the meshing portion, the positioning ball, the conducting gear, and the shaft rod, are correspondingly decreased by one. Preferably, when only one pedal is provided, the area of the pedal is 1000cm2～3000cm2Therefore, a plurality of walking position positions can be arranged on the pedal, the obtained measuring curve is more complex, but only the number of the pedals is changed, and the invention also belongs to the protection scope of the invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A aerobics stepping and jumping device for physical training is characterized by comprising a bottom plate, wherein one end of the left side of the bottom plate is provided with a group of pillars in parallel, a clamping seat arranged at the top end of each pillar, a fixing part arranged on the clamping seat, a pedal arranged on the fixing part and a linkage part arranged on the clamping seat and hinged with the fixing part, one end of the right side of the linkage part is provided with a conduction part, the bottom of the conduction part is provided with a meshing part, the meshing part comprises a positioning sphere, the lower part of the positioning sphere is provided with a semicircular tooth groove, the semicircular tooth groove is meshed with a conduction gear arranged at the bottom of the meshing part, the conduction gear is fixed in an upper cover, the lower part of the conduction gear is meshed with a shaft lever, a measuring device is arranged in a casing consisting of the upper cover and a lower cover, and the shaft lever is;
the transmission gear is meshed with a shaft lever tooth groove arranged on the shaft lever, a rotating shaft is arranged on the transmission gear and fixed at the upper end of an upper cover, and a rotating bearing is arranged on the upper cover in a matching way;
the bottom of the fixed part is provided with an elastic block, one end of the left side of the elastic block is hinged with the clamping seat, and one end of the right side of the elastic block is clamped with the linkage part;
the conduction portion comprises a conduction rod, the conduction rod is fixed with the linkage portion, fixing nuts are respectively arranged at the upper end and the lower end of the connection portion, the bottom of the conduction rod is a positioning ball fixing seat, and a positioning ball is arranged inside the positioning ball fixing seat.
2. A gymnastic jump device as claimed in claim 1, wherein the lower cover has V-shaped grooves at both ends, a slot is provided in the middle of the V-shaped groove, and the shaft is fixed in the slot.
3. A gymnastic jump device as claimed in claim 1, wherein the measuring means comprises an outer cylinder, a set of auxiliary gears are arranged in the outer cylinder, and a measuring sensor is arranged between the auxiliary gears.
4. A gymnastic jump device for sports training according to claim 1 or 3, wherein the measuring sensor is an angular displacement sensor.
5. A aerobics pedal jumping apparatus for sports training as claimed in claim 1, wherein a limiting means is provided at one end of the right side of the housing, the limiting means includes a limiting shaft provided on a limiting plate fixed on an X-axis sliding rail fixed on a Y-axis sliding plate fixed on a Y-axis sliding rail fixed on a base plate.
6. A method of aerobics training for physical training comprising the aerobics step-up device as claimed in any one of claims 1 to 5, it is characterized in that when the pedal acts, the pressure transmitted to the fixing part by the pedal is different due to different stress, the fixing part is transmitted to the linkage part by the elastic block, the connecting part transmits the acting force to the positioning ball body by the transmission part, and because the force applied to the pedal is different before and after the pedal, the semicircular tooth grooves arranged at the lower part of the positioning ball and the transmission gear form the movement of different side ends, the measuring device measures each angular displacement in positive rotation or negative rotation, forms a stress curve graph according to the obtained angular displacement, and obtains the best combination of force and beauty according to the stress curve graph.
7. A method as claimed in claim 6, wherein the stress curve is corrected according to the stress curve and the trainee's own gravity to obtain a stress correction curve, and the optimal combination of force and beauty is obtained according to the stress correction curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698317.XA CN110280003B (en) | 2019-07-31 | 2019-07-31 | Aerobics pedal jumping device for physical training and training method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698317.XA CN110280003B (en) | 2019-07-31 | 2019-07-31 | Aerobics pedal jumping device for physical training and training method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110280003A CN110280003A (en) | 2019-09-27 |
| CN110280003B true CN110280003B (en) | 2020-09-25 |
Family
ID=68024392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910698317.XA Active CN110280003B (en) | 2019-07-31 | 2019-07-31 | Aerobics pedal jumping device for physical training and training method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110280003B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018158552A1 (en) * | 2017-02-28 | 2018-09-07 | Pro Sport Support Ltd | System, method and markers for assessing athletic performance |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IES20050288A2 (en) * | 2005-05-06 | 2006-11-15 | Brian Francis Mooney | Measurement and analysis of foot related forces during a golf swing |
| CN104548542A (en) * | 2014-12-30 | 2015-04-29 | 哈尔滨师范大学 | Laser type javelin instrument vibration core strength training and information feedback device |
| CN205252431U (en) * | 2015-11-16 | 2016-05-25 | 朱宝峰 | Traditional ethnic sports trainer |
| CN205672440U (en) * | 2016-06-12 | 2016-11-09 | 邢台医学高等专科学校 | A kind of aerobic training step on jumping device |
-
2019
- 2019-07-31 CN CN201910698317.XA patent/CN110280003B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018158552A1 (en) * | 2017-02-28 | 2018-09-07 | Pro Sport Support Ltd | System, method and markers for assessing athletic performance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110280003A (en) | 2019-09-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Duc et al. | Muscular activity during uphill cycling: effect of slope, posture, hand grip position and constrained bicycle lateral sways | |
| Barnes et al. | Running economy: measurement, norms, and determining factors | |
| CN201415026Y (en) | Exercise bicycle for simulating horse riding | |
| Bertucci et al. | Laboratory versus outdoor cycling conditions: differences in pedaling biomechanics | |
| CN102489015B (en) | Breast stroke posture training machine employing connecting rod in orbit constraint | |
| CN107626079B (en) | It is a kind of can be to the Intelligent dynamic bicycle that body multiple location performs physical exercise | |
| CN104399245B (en) | Breaststroke dry season training device | |
| CN110280003B (en) | Aerobics pedal jumping device for physical training and training method | |
| CN210205759U (en) | Aerobics exercises training auxiliary equipment | |
| CN210057266U (en) | Track and field sports running posture training auxiliary device | |
| CN201006236Y (en) | Elliptical motion body-building machine | |
| CN208176814U (en) | Power training device and its rowing machine are pedaled in foot | |
| CN113198136A (en) | Two side upper limbs linkage rehabilitation training device of adjustable resistance | |
| CN203996721U (en) | Toy horse-riding bicycle | |
| CN201775908U (en) | Foot-twisting device | |
| CN205948281U (en) | Outdoor four limbs exerciser | |
| CN103656993A (en) | Crawl-type body-building machine | |
| CN207871373U (en) | A kind of body building treadmill | |
| CN102380200B (en) | Connecting rod coordination-type breast stroke training machine | |
| CN103083864A (en) | Seat type elliptical trainer | |
| CN206613090U (en) | A kind of big track elliptical machine | |
| Evans et al. | Variability of the center of mass in trained triathletes in running after cycling: A preliminary study conducted in a real-life setting | |
| CN219208883U (en) | Leg strength training device | |
| He et al. | Lumbar and pelvis movement comparison between cross-court and long-line topspin forehand in table tennis: based on musculoskeletal model | |
| CN209060460U (en) | A kind of body-building mountain-climbing marking vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |