CN103170118B - Golf swing training device - Google Patents
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- CN103170118B CN103170118B CN201310061551.4A CN201310061551A CN103170118B CN 103170118 B CN103170118 B CN 103170118B CN 201310061551 A CN201310061551 A CN 201310061551A CN 103170118 B CN103170118 B CN 103170118B
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
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Abstract
The invention relates to the golf technical field, in particular to a golf swing training device. The golf swing training device comprises a trigger device, a reflecting mirror, an optical pulse device, an optional golf club head, an orienting reflecting sign arranged on the golf club head, wherein the rigger device is arranged opposite to the reflecting device; the optical pulse device is connected with the trigger device in a wireless signal mode; the golf club head moves between the trigger device and the reflecting mirror; the optical pulse device is arranged on eyes of a person; and controlled optical pulse assists observation. A light emitting diode in the optical pulse device uses narrow pulse to irradiate a moving golf club at a particular moment in a selected mode, the persistence of vision effect is used, golf club head states of the golf club in high speed movement at a particular position are displayed to a practicer, and the golf club head states comprise four most important technical indicators, namely, swing accuracy, golf club face angle, golf club head track and speed.
Description
Technical field
The present invention relates to golf technical field, more specifically, relate to a kind of golf swing training device.
Background technology
The club state of tactile ball moment is depended in the motion of golf (being called for short high ball or bead).For a certain club, the tactile ball position on bar head speed and pole face determines ball speed, and bar head speed is faster, and point of contact is more close to sweetie, then ball speed is faster, and flying distance is far away; Face angle (close or open) then determines the direction of taking off of ball, and affects the rotation of ball together with swing trajectory, can cause the flight path of left song or right song.Golf beginner is due to fault, absent minded, or technology is unskillful, often there is miss ball or hit the heading of rear ball and imagine the inconsistent situation in direction, but due to bar head speed quickly, naked eyes are difficult to bar head or the pole face state of observing square stance, so cannot distinguish it is hit caused by the incorrect position of bar head on earth, or be face angle incorrect caused by.Train blindly, promote DeGrain.The basis of high ball swings, and bar head status when key is tactile ball, will introduce the general principle that swings below.A series of preparation, upper boom, lower beam, send bar action be all in order to reach tactile ball moment good bar head status.The index of bar head status comprises: precision, angle, track, speed.
As shown in Figure 1, in figure, dotted line is score, heading and the track of ball is represented from the arrow of the centre of sphere, another broad arrow is the bar head direction of motion and track, dotted arrow indicates ball and is rubbed and produce spin and direction, and the rectangle in figure represents pole face, tactile ball position be positioned at pole face mid point be just described as batting precision high.In Fig. 1: a. is liner ball, bar head track is by inwardly interior, and face angle is upright, and point of contact is positioned at the sweetie of pole face, and therefore having straight flight path and flying distance farthest, is in most cases the pursued effect that swings; B. with c. be equally bar head track by inwardly interior, face angle is upright, but point of contact precision is not enough, substantially still liner ball, but hitting distance is lost; D. bar head track ecto-entad, pole face is vertical with bar head track, and bead does not spin, and what hit is left avertence ball; E. similar with d., just bar head track hits right avertence ball from inside to outside; F. middle face angle is upright, and rub from inside to outside bead and producing of bar head track is rotated counterclockwise, thus produces the flight path of left song; G. be Draw equally, although bar head track is by inwardly interior, when touching ball, face angle is closed, friction bead and produce counterclockwise rotation; H. middle face angle is upright, and bar head track ecto-entad friction bead and producing turns clockwise, thus hits miss; I. be miss equally, although bar head track is by inwardly interior, when touching ball, face angle is open, same friction bead and produce clockwise rotation, forms the flight path of right song.
Visible, the precision that swings, face angle and the triplicity of bar head track, affect the flight path of high ball.And bar head speed determines flying distance.So these four factors are most important, and profound influence ball-hitting quality.
Along with popularizing of golf sports, consequential training device also becomes variation, mechanical auxiliary user is had to make the device of correct pendulum appearance, there are the sub-show image of golf analog imaging and replay to simulate, also have the device miscellaneous from being weighed pole face state by the distortion after swing impact.Therefore still lack a kind of can allow user see clearly in real time in swinging oneself striking point on the ball and near the equipment of above-mentioned bar head status.
Summary of the invention
The present invention is for overcoming at least one defect described in above-mentioned prior art, there is provided a kind of user of order in swinging process Real Time Observation to striking point on the ball and near golf club surface state, bar head movement locus and the speed that swings, and can head steady be verified, realize without ball swing exercise to improve the golf swing training device of the swing level of practitioner.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of golf swing training device, comprise flip flop equipment, speculum, light pulse device, golf club head, be located at the orienting reflex mark on golf club head, flip flop equipment and speculum are oppositely arranged, light pulse device is connected with flip flop equipment signal, golf club head moves between flip flop equipment and speculum, light pulse device is located at human eye place, wherein, described flip flop equipment comprises the laser diode for Emission Lasers, for receiving the photoelectric receiving tube of laser, the blocking-up probe unit of laser route and the infrared trigger impulse emitting structural for launching infrared trigger impulse whether is stopped for detecting golf club head, block probe unit respectively with photoelectric receiving tube, infrared trigger impulse emitting structural electrical connection, described light pulse device comprises single-chip microcomputer, for receiving the infrared receiving tube of infrared start pulse signal, pulse driver, the light emitting diode for utilizing emitted light pulse that is electrically connected with pulse driver, single-chip microcomputer is electrically connected infrared receiving tube, pulse driver respectively.
The position of flip flop equipment and speculum is adjusted, enables laser get back to the photoelectric receiving tube of flip flop equipment through mirror-reflection.When swinging, the blocking-up probe unit of flip flop equipment detects that laser acquisition loop is stopped by golf club head, infrared trigger impulse emitting structural sends infrared triggering signal immediately, direction is pointed to user and is worn overhead light pulse device, after infrared receiving tube in light pulse device receives infrared triggering signal, Single-chip Controlling drives the light emitting diode being distributed in eye rims to send single or several light pulse by pulse driver immediately, illumination range covers near impact point region, because optical pulse time very brief (dutycycle is about 1/10) thus can show the moment image and the track of non-fuzzy of moving object, also because orienting reflex microballon makes orienting reflex mark bright especially towards the orienting reflex of eyes, in conjunction with visual persistence effect, human eye just observes width bar head movement locus figure clearly, it contains the precision that swings, face angle, bar head track and these four most important technical indicators of speed.
Further, described infrared trigger impulse emitting structural comprises impulse generator and infrared transmitting tube, and impulse generator is electrically connected with blocking-up probe unit, infrared transmitting tube respectively.Block probe unit and detect that laser acquisition loop is stopped by golf club head, impulse generator controls infrared transmitting tube and sends infrared triggering signal immediately.
Further, the input of described laser diode is connected with modulator, is connected with demodulator between photoelectric receiving tube and blocking-up probe unit.Modulator is modulated laser, and the laser beam modulated reflects back into photoelectric receiving tube by speculum, and demodulator allows laser signal to pass through, and other ambient light signal is blocked.
Further, described flip flop equipment comprises pedestal, the adjustment guide rail be located on pedestal, and be located at the flip flop equipment main body on adjustment guide rail, laser diode, photoelectric receiving tube, infrared trigger impulse emitting structural are all located in flip flop equipment main body.The height of flip flop equipment can be adjusted by guide rail, thus can set different technical requirements.When too high at the bottom of bar and when can not stop laser acquisition loop, askiatic is shown; When at the bottom of bar during too low in advance puss pad, then may upspring and laser acquisition loop can not be touched, or i.e. enable triggering laser detection circuit, face angle also can be caused to change and speed loss because clashing in advance, this can show in image.
Further, described flip flop equipment also comprises an aligning indicator lamp, aims at indicator lamp and is located in flip flop equipment main body.Aim at indicator lamp extinguishing and represent that laser acquisition loop adjusted is good, when laser acquisition loop is blocked, blocking-up probe unit just orders about impulse generator and sends an infrared trigger impulse by infrared transmitting tube, light pulse device work that this will start (being worn on user's head).
Further, described speculum comprises support, the minute surface be located on support, the elevation angle adjustment screw be located on support, elevation angle adjustment screw is for regulating the angle of minute surface, and support is used for stationary mirror, and minute surface is for getting back to the photoelectric receiving tube on flip flop equipment by laser reflection.
Further, described light pulse device also comprises the battery and switch of powering for single-chip microcomputer and pulse driver, and switch is connected with single-chip microcomputer, and switch is Shaking switch, and battery is button-type lithium cell.Light pulse device can be made eyeglasses-wearing or be placed in the brim of a hat, is wireless topology.Infrared receiving tube, for receiving the infrared triggering signal from flip flop equipment, uses several to improve sensitivity; Light emitting diode is the type of efficient high brightness, and near eyes distribution after wearing, pulsed light directive striking point on the ball, to obtain the retroreflective brightness of maximum bar head mark; Single-chip microcomputer is the control centre of whole circuit, and Shaking switch is just circuits for triggering work when rocking, and after the static several seconds, circuit automatically enters off-position and saves electric energy, makes battery durable in use, and easy to use, without the need to operating power switch.
Orienting reflex mark can be attached on golf club head, and in addition, some golf club heads are provided with groove, and when needing, the orienting reflex mark on golf club head is parallel with the groove on pole face, thus can indicate face angle; And work as used club face for when facade makes to observe (such as rod), orienting reflex mark can be located at bar crown portion, use the benefit of laser acquisition bar head position to be mechanical contact, can not damage bar head orienting reflex mark, convenient adjustment simultaneously triggers height.Owing to using speculum, the launching and receiving of laser, in same device, decreases line, and the adjustment up and down of flip flop equipment position is all without the need to recalibrating laser acquisition loop.
Compared with prior art, beneficial effect is:
1. provide a kind of Real Time Observation to the mode of swing quality, without the need to video recording and playback.Allow practitioner see the bar head movement locus figure of the swinging process be exceedingly fast in real time, it contains the precision that swings, face angle, bar head track and these four most important technical indicators of speed.In the same way be a kind of mode that may be used for Real Time Observation short distance objects at high speed motion track.
2. provide a kind of light trainer, not by place and time restriction.Because design have employed efficient high brightness light emitting diode, coordinate microballon orienting reflex material, make device light and handy and be easy to use.
3. a kind of high-precision trainer is provided, the slight change of swing quality (as face angle) can be observed, thus more more reasonable and accurate than the observation high ball flight path accuracy of action that judges to swing, because the quality of ball and other environmental factors can cause erroneous judgement.
4. auxiliary head Stability Design, light pulse device is designed to be worn on user's head, and whether user just can check impact head to stablize from the area of illumination observed or bar head trace image, and improves head steady gradually by exercise.
5. energy-conservation, make use of the power-down mode of single-chip microcomputer and coordinate Shaking switch, when light pulse device in use rocks to some extent, namely single-chip microcomputer enters duty automatically, and namely single-chip microcomputer automatically enters power-down mode and cut off the electricity supply after the device static placement several seconds, make easy to use and make battery durable in use.
Accompanying drawing explanation
Fig. 1 is the relation schematic diagram of precision, angle, track and high ball flight path of swinging.
Fig. 2 is overall structure schematic diagram of the present invention.
Fig. 3 is System's composition of the present invention and principle schematic.
Fig. 4 is flip flop equipment structural representation of the present invention.
Fig. 5 is flip flop equipment circuit theory schematic diagram of the present invention.
Fig. 6 is mirror structure schematic diagram of the present invention.
Fig. 7 is light pulse apparatus structure schematic diagram of the present invention.
Fig. 8 is light pulse device circuit principle schematic of the present invention.
Fig. 9 is that the swinger of allowing of the present invention sees real-time bar head status schematic diagram.
Figure 10 is the speed display schematic diagram that swings of the present invention.
Figure 11 is because head is unstable, can't see part or all of image schematic diagram.
Figure 12 is that laser acquisition loop height of the present invention regulates schematic diagram.
Detailed description of the invention
Accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent; In order to better the present embodiment is described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.Describe position relationship in accompanying drawing only for exemplary illustration, the restriction to this patent can not be interpreted as.
As Fig. 2, shown in 3, a kind of golf swing training device, comprise flip flop equipment 10, speculum 20, light pulse device 30, golf club head 40, be located at the orienting reflex mark 401 on golf club head 40, flip flop equipment 10 and speculum 20 are oppositely arranged, light pulse device 30 is connected with flip flop equipment 10 wireless signal, golf club head 40 moves between flip flop equipment 10 and speculum 20, light pulse device 30 is located at human eye place, wherein, flip flop equipment 10 comprises the laser diode 101 for Emission Lasers, for receiving the photoelectric receiving tube 102 of laser, the blocking-up probe unit of laser route and the infrared trigger impulse emitting structural 104 for launching infrared trigger impulse whether is stopped for detecting golf club head 40, block probe unit respectively with photoelectric receiving tube 102, infrared trigger impulse emitting structural 104 is electrically connected, described light pulse device 30 comprises single-chip microcomputer 304, for receiving the infrared receiving tube 301 of infrared start pulse signal, pulse driver, the light emitting diode 302 for utilizing emitted light pulse that is electrically connected with pulse driver, single-chip microcomputer 304 is electrically connected infrared receiving tube 301, pulse driver respectively, described golf club head 40 is provided with orienting reflex mark 401.
The position of flip flop equipment 10 and speculum 20 as shown in Figure 3, is adjusted by its principle, enables laser a reflect back into the photoelectric receiving tube 102 of flip flop equipment 10 through speculum 20.When swinging, the blocking-up probe unit of flip flop equipment 10 detects that laser acquisition loop is stopped by golf club head 40, infrared trigger impulse emitting structural 104 sends infrared triggering signal b immediately, infrared triggering signal b direction is pointed to user and is worn overhead light pulse device 30, after infrared receiving tube 301 in light pulse device 30 receives infrared triggering signal b, the light emitting diode 302 that single-chip microcomputer 304 control impuls driver drives is distributed in eye rims immediately sends single or several light pulse c, illumination range covers near impact point region, because optical pulse time very brief (dutycycle is about 1/10) thus can show the moment image and the track of non-fuzzy of moving object, also because orienting reflex microballon makes orienting reflex mark 401 bright especially towards the orienting reflex of eyes, in conjunction with visual persistence effect, human eye just observes width bar head movement locus figure clearly, it contains the precision that swings, face angle, bar head track and these four most important technical indicators of speed.In figure, d represents the direction swung, and c represents light pulse, and when the time interval of light pulse is set as a certain numerical value, bar head speed is faster, and image spacing is larger, and track is longer, and with reference to velocity scale, user just can see oneself the speed that swings easily.Time interval of light pulse c can be set as that different numerical value to swing the crowd of speed to adapt to difference, and velocity scale also can make according to personal considerations and be beneficial to observe bar head speed and change.
As shown in Figure 4,5, infrared trigger impulse emitting structural 104 comprises impulse generator and infrared transmitting tube, and impulse generator is electrically connected with blocking-up probe unit, infrared transmitting tube respectively.The input of laser diode 101 is connected with modulator, is connected with demodulator between photoelectric receiving tube 102 and blocking-up probe unit.Flip flop equipment 10 comprises pedestal 106, the adjustment guide rail 105 be located on pedestal 106, and be located at the flip flop equipment main body on adjustment guide rail 105, laser diode 101, photoelectric receiving tube 102, infrared trigger impulse emitting structural 104 are all located in flip flop equipment main body.Flip flop equipment 10 also comprises an aligning indicator lamp 103, aims at indicator lamp 103 and is located in flip flop equipment main body.
The height of flip flop equipment 10 can be adjusted by guide rail 105, thus can set different technical requirements.When too high at the bottom of bar and when can not stop laser acquisition loop, askiatic is shown; When at the bottom of bar during too low in advance puss pad, then may upspring and laser acquisition loop can not be touched, or i.e. enable triggering laser detection circuit, face angle also can be caused to change and speed loss because clashing in advance, this can show in image.Block probe unit and detect that laser acquisition loop is stopped by golf club head 40, blocking-up probe unit just orders about impulse generator and sends an infrared trigger impulse by infrared transmitting tube, and this will start (being worn on user's head), and light pulse device 30 works.Modulator is modulated laser, and the laser beam modulated reflects back into photoelectric receiving tube 102 by speculum, and demodulator allows laser signal to pass through, and other ambient light signal is blocked.Photoelectric receiving tube 102 contains the lens of a larger area.
As shown in Figure 6, speculum 20 comprises support 202, the minute surface 203 be located on support 202, the elevation angle adjustment screw 201 be located on support 202, and elevation angle adjustment screw 201 is for regulating the angle of minute surface 203.Support 202 is for stationary mirror, and minute surface 203 is for getting back to the photoelectric receiving tube 102 on flip flop equipment 10 by laser reflection.
As shown in Figure 7,8, light pulse device 30 also comprises the battery 303 and switch 305 of powering for single-chip microcomputer 304 and pulse driver, and switch 305 is connected with single-chip microcomputer 304.Switch 305 is Shaking switch, and battery 303 is button-type lithium cell.Light pulse device 30 can be made eyeglasses-wearing or be placed in the brim of a hat, is wireless topology.Infrared receiving tube 301, for receiving the infrared triggering signal from flip flop equipment 10, uses several to improve sensitivity; Light emitting diode 302 is types of efficient high brightness, and near eyes distribution after wearing, pulsed light directive striking point on the ball, to obtain the retroreflective brightness of maximum bar head mark; Single-chip microcomputer 304 is control centres of whole circuit, and Shaking switch 305 is just circuits for triggering work when rocking, and after the static several seconds, circuit automatically enters off-position and saves electric energy, makes battery 303 durable in use, and easy to use, without the need to operating power switch.As shown in Figure 7, circuit is by Single-chip Controlling, and function comprises and receives infrared triggering signal by infrared receiving tube, and control impuls driver sends a string light pulse by light emitting diode immediately, thus demonstrates the movement locus formed by consecutive bar head image.Single-chip microcomputer can also control electrical source consumption, when resting, namely cuts off the electricity supply in the several seconds, and when when using, generation is rocked, rearming.
As shown in Figure 3, golf club head 40 is provided with groove, and orienting reflex mark 401 is parallel with groove.Orienting reflex mark 401 on golf club head is parallel with the groove on pole face, thus can indicate face angle.Use the benefit of laser acquisition bar head position to be mechanical contact, can not damage bar head orienting reflex mark, convenient adjustment simultaneously triggers height.Owing to using speculum, the launching and receiving of laser, in same device, decreases line, and the adjustment up and down of flip flop equipment position is all without the need to recalibrating laser acquisition loop.
As shown in Fig. 9,10, the present invention allows swing exercise person directly see this most important four indices, is a kind of efficient, accurate exercise apparatus.Even judge that swing quality comes more accurate than in true practice stroke according to the state of flight of ball.This is because the judgement that the impact etc. that is uneven and environmental factor of the quality of medicine ball easily makes the mistake.When the time interval of light pulse is set as a certain numerical value, bar head speed is faster, and image spacing is larger, and track is longer, and with reference to velocity scale, as shown in Figure 10, user just can see oneself the speed that swings easily.Time interval of light pulse can be set as that different numerical value to swing the crowd of speed to adapt to difference, and velocity scale also can make according to personal considerations and be beneficial to observe bar head speed and change.
As shown in figure 11, the present invention can also verify head steady, and beginner is that head is unstable than the mistake being easier to make, because be eager to see that balling effect causes head to shift to target ahead of time, can make the skew of development illumination range like this, will can't see part or all of image.Be designed with so this and help to make user to obtain correct head to control: towards striking point on the ball, in swinging process, initiatively do not shift to target, but after batting send bar and in process of putting away sports equipment by shoulder by head with to target direction.
As shown in figure 12, the height of circuits for triggering (laser acquisition loop) is adjustable, thus can set different technical requirements.When too high at the bottom of bar and when can not stop laser acquisition loop, askiatic is shown; When at the bottom of bar during too low in advance puss pad, then may upspring and laser acquisition loop can not be touched, or i.e. enable triggering laser detection circuit, face angle also can be caused to change and speed loss because clashing in advance, this can show in image.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (8)
1. a golf swing training device, comprise flip flop equipment (10), speculum (20), light pulse device (30), flip flop equipment (10) and speculum (20) are oppositely arranged, light pulse device (30) is connected with flip flop equipment (10) wireless signal, golf club head (40) moves between flip flop equipment (10) and speculum (20), light pulse device (30) is located at human eye place, it is characterized in that, described flip flop equipment (10) comprises the laser diode (101) for Emission Lasers, for receiving the photoelectric receiving tube (102) of laser, the blocking-up probe unit of laser route and the infrared trigger impulse emitting structural (104) for launching infrared trigger impulse whether is stopped for detecting golf club head (40), block probe unit respectively with photoelectric receiving tube (102), infrared trigger impulse emitting structural (104) electrical connection, described light pulse device (30) comprises single-chip microcomputer (304), for receiving the infrared receiving tube (301) of infrared start pulse signal, pulse driver, the light emitting diode for utilizing emitted light pulse (302) that is electrically connected with pulse driver, single-chip microcomputer (304) is electrically connected infrared receiving tube (301), pulse driver respectively.
2. a kind of golf swing training device according to claim 1, it is characterized in that: described infrared trigger impulse emitting structural (104) comprises impulse generator and infrared transmitting tube, impulse generator is electrically connected with blocking-up probe unit, infrared transmitting tube respectively.
3. a kind of golf swing training device according to claim 2, is characterized in that: the input of described laser diode (101) is connected with modulator, is connected with demodulator between photoelectric receiving tube (102) and blocking-up probe unit.
4. a kind of golf swing training device according to claim 1, it is characterized in that: described flip flop equipment (10) comprises pedestal (106), the adjustment guide rail (105) be located on pedestal (106), be located at the flip flop equipment main body in adjustment guide rail (105), laser diode (101), photoelectric receiving tube (102), infrared trigger impulse emitting structural (104) are all located in flip flop equipment main body.
5. a kind of golf swing training device according to claim 4, is characterized in that: described flip flop equipment (10) also comprises an aligning indicator lamp (103), aims at indicator lamp (103) and is located in flip flop equipment main body.
6. a kind of golf swing training device according to claim 1, it is characterized in that: described speculum (20) comprises support (202), the minute surface (203) be located on support (202), be located on support (202) the elevation angle adjustment screw (201), the elevation angle adjustment screw (201) for regulating the angle of minute surface (203).
7. a kind of golf swing training device according to claim 1, it is characterized in that: described light pulse device (30) also comprises the battery (303) and switch (305) of powering for single-chip microcomputer (304) and pulse driver, and switch (305) is connected with single-chip microcomputer (304).
8. a kind of golf swing training device according to claim 7, is characterized in that: described switch (305) is Shaking switch, and battery (303) is button-type lithium cell.
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TWI598141B (en) * | 2016-03-25 | 2017-09-11 | Gpro Co Ltd | Kick-off detecting device and kick-off detecting method |
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CN104548530B (en) * | 2014-12-24 | 2017-07-07 | 五川音响电子科技(东莞)有限公司 | Exercising brandishing club for playing golf checking system and its method for inspection |
CN105435434B (en) * | 2015-12-17 | 2017-09-19 | 东南大学 | Photo-electric golf ball-batting parameter test method and device |
CN107866054B (en) * | 2017-02-03 | 2020-05-08 | 珠海市杰理科技股份有限公司 | Golf swing posture correcting instrument |
CN110478879B (en) * | 2019-08-31 | 2024-07-23 | 上海佰大体育服务有限公司 | Golf batting system of auxiliary training |
CN113977558B (en) * | 2021-11-29 | 2023-01-31 | 湖南交通职业技术学院 | Device and method for visually and dynamically displaying tail end track of parallel robot |
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US4898389A (en) * | 1987-09-08 | 1990-02-06 | Plutt Daniel J | Impact indicating golf training device |
US5718642A (en) * | 1995-11-03 | 1998-02-17 | Cushing; John Joseph | Golf club swing training device |
CN2589020Y (en) * | 2002-09-13 | 2003-12-03 | 刘树铁 | Indoor golf simulation system |
CN1765440A (en) * | 2005-11-25 | 2006-05-03 | 雷仕湛 | Alignment exerciser for golf beating |
CN201052394Y (en) * | 2007-07-12 | 2008-04-30 | 赵炎生 | Training appliance for waving golf club |
DE202009009416U1 (en) * | 2009-07-09 | 2009-09-17 | Boldin, Alexander | Golf swing training device |
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TWI598141B (en) * | 2016-03-25 | 2017-09-11 | Gpro Co Ltd | Kick-off detecting device and kick-off detecting method |
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