CN103349835A - Billiard aiming method and special billiard aiming device - Google Patents
Billiard aiming method and special billiard aiming device Download PDFInfo
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- CN103349835A CN103349835A CN2013103389178A CN201310338917A CN103349835A CN 103349835 A CN103349835 A CN 103349835A CN 2013103389178 A CN2013103389178 A CN 2013103389178A CN 201310338917 A CN201310338917 A CN 201310338917A CN 103349835 A CN103349835 A CN 103349835A
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Abstract
The invention relates to a billiard aiming method and a special billiard aiming device and belongs to the technical field of billiard training. According to the technical scheme, more than one auxiliary line of which the length is equal to the diameter or radius of each billiard extends from the central axis of a ball arm, the auxiliary line, a line with the endpoints aiming at the center of a target sphere or a collision point by using the auxiliary line, a connecting line of the center of a virtual sphere adjacent to the target sphere on an extension line of the connecting line of a pocket mouth and the center of the target sphere, and a line from the central axis of the ball arm which passes through the center of a cue ball to the other end of the auxiliary line form a parallelogram; by utilizing the principle that the corresponding sides of the parallelogram are parallel, when the auxiliary line is parallel to a connecting line between the pocket mouth and the center of the target sphere, the central axis of the ball arm is parallel to the line which aims at the center of the target sphere or the collision point, and the target ball can be shot into the pocket. The target ball can be directly aimed and shot, the aiming shot of a second target ball can be realized through pass shoot, even important reference indexes can be provided for aiming of bouncing balls.
Description
Technical field
The present invention relates to a kind of billiard ball method of sight and special-purpose billiard ball sighting device, belong to the billiard training technical field.
Background technology
At present, in billiard training, the background technology of billiard ball method of sight is as follows: 1. hemisphere method or claim imaginary ball method, be about on the extended line of line that club is aligned in object ball and sack, the centre of sphere of billiard ball of imagination, the imaginary centre of sphere is the diameter of billiard ball apart from the object ball centre of sphere, its central point is aiming point, the method existing problems are: this virtual image point can't find in physical space, and the player can only judge by rule of thumb.2. relevant with the hemisphere method, the point of impingement the when somebody is accustomed to seeking mother bulb and object ball and collides aims at, and the method existing problems are: because these are different and different from the line angle of sack with object ball, can't accurately locate equally.The angle of departure when 3. impacting object ball by the judgement mother bulb, judge the proportionate relationship of mother bulb and object ball, aim at, 4/5 position, 5/6 position of ball etc. aim at the mark such as the left hand edge with mother bulb, the method existing problems are: judge that the angle of departure is inaccurate, error appears in the proportional positions point of mother bulb run-home ball easily.People also carry out supplemental training by the billiard ball sighting device, background technology is as follows: generally need to manually be placed on the Billiards table, even pendulum is in front of object ball, with certain parts alignment pocket, again certain parts is aimed at mother bulb, aim at club again, even also this device will be moved away could bat; Existing problems are: can not directly apply to position, club axis, the centre of sphere of object ball that can not be by aiming at concrete existence is determined the rod direction, use is inconvenient, the degree of accuracy is low, can not satisfy under battle conditions requirement, can't capture aiming point (the imaginary centre of sphere, the point of impingement), accurately judge the angle of departure, sighting device is heavy, can't be integrated with club, the aiming process can't with the shot seamless connection.Also do not have a kind of effectively in the background technology, utilize pass to impact the accurate aiming means of the second object ball.
Summary of the invention
The object of the invention provides a kind of billiard ball method of sight and special-purpose billiard ball sighting device, is applied to the club axis, and the object ball centre of sphere of directing pointing can be thrown object ball into bag; Special-purpose billiard ball sighting device is installed on the club, as rifle, direct pointing, have at object ball under the prerequisite in goal path, can not only know accurately the aiming point of mother bulb is at which, how many angles of departure when mother bulb impacts object ball is, and when mother bulb is lived by other ball stopper, utilizes pass to impact, also can accurately object ball be sent in the bag, solve the problems referred to above that exist in the background technology.
Technical scheme of the present invention is: a kind of special-purpose billiard ball sighting device, be installed on the club, extension goes out the boost line that one or more length equals billiard ball diameter or radius on the club axis, this boost line with utilize the end points of this boost line to concentrate one's gaze on the object ball centre of sphere or concentrate one's gaze on the point of impingement (concentrating one's gaze on the point of impingement during radius), again with sack, object ball centre of sphere line extended line on the line of the centre of sphere of an adjacent virtual ball with object ball, cross the mother bulb centre of sphere to the other end of this boost line with the club axis again, consisted of a parallelogram; Concentrate one's gaze on the object ball centre of sphere or concentrate one's gaze on the point of impingement (concentrating one's gaze on the point of impingement during radius) along the end points of described boost line outer end, utilize the parallel principle in both sides corresponding to parallelogram, as long as club axis and that run-home ball centre of sphere or concentrate one's gaze on the line parallel of the point of impingement (concentrating one's gaze on the point of impingement during radius) just can be thrown object ball in the bag into.
Described boost line be two be parallel to each other, the boost line of equal in length, article two, boost line and they line between line between the starting point on the club, two boost line terminal points consists of a parallelogram, and described two boost line length equal billiard ball diameter or radius.
Limit one and limit three that described two boost lines are respectively parallelogram, article two, boost line is that line is the limit two of parallelogram between the limit four of parallelogram, two the boost line terminal points at line between the starting point on the club, four angles of parallelogram are stud connection, can freely rotate; The hinge on fillet one and limit four arranges angle scale on club, is provided with cross above the angle scale, and in the motionless situation in limit one, angle scale is rotated by external force still can; When one rotation of limit, this angle scale is followed limit one rotation, is convenient to measure and observe various aimings, angle of shot.
Described limit four is fixed on the club, and limit one, limit two, limit three can rotate freely each other.
When described boost line length equals the billiard ball diameter, on the limit one and the point midway on limit three do the mid point mark, be the length of billiard ball radius, the point of impingement when being convenient to observe mother bulb and object ball bump.
The present invention is provided with transmission mechanism and manipulation knob, the output of transmission mechanism is connected with limit one, and manipulation knob is arranged on the position of player's holding rod on the club, the control transmission mechanism, drive limit one rotation by manipulation knob by transmission mechanism, reach the purpose of adjusting limit one angle.
The present invention can be arranged on club and put (the club cover comprises as shown in the figure but is not limited to this), and the club cover is enclosed within on the club, can be suitable for any club; Can also be arranged on the club, become one with club, make the special-purpose club of training.
A kind of billiard ball method of sight, adopt above-mentioned special-purpose billiard ball sighting device to carry out, extension goes out the boost line that one or more length equals billiard ball diameter or radius on the club axis, this boost line with utilize the end points of this boost line to concentrate one's gaze on the object ball centre of sphere or concentrate one's gaze on the point of impingement (concentrating one's gaze on the point of impingement during radius), again with sack, object ball centre of sphere line extended line on the line of the centre of sphere of an adjacent virtual ball with object ball, cross the mother bulb centre of sphere to the other end of this boost line with the club axis again, consisted of a parallelogram; Concentrate one's gaze on the object ball centre of sphere or concentrate one's gaze on the point of impingement (concentrating one's gaze on the point of impingement during radius) along the end points of described boost line outer end, utilize the parallel principle in both sides corresponding to parallelogram, as long as club axis and that run-home ball centre of sphere or concentrate one's gaze on the line parallel of the point of impingement (concentrating one's gaze on the point of impingement during radius) just can be thrown object ball in the bag into.
Described club axis comprises the axis of club itself and the hand frame servicing unit on this axis etc.
With reference to accompanying drawing 10, described boost line be two be parallel to each other, the boost line of equal in length, article two, boost line and they line between line between the starting point on the club, two boost line terminal points consists of a parallelogram, and described two boost line length equal billiard ball diameter or radius.During outer end points a ' the run-home ball centre of sphere o of described boost line, the aiming point o ' that club points to has just formed a large parallelogram aa ' oo ', and a is the starting point of boost line; Described special-purpose billiard ball sighting device be two be parallel to each other, the boost line of equal in length, article two, boost line and they line between line between the starting point on the club, two boost line terminal points consists of a little parallelogram, is exactly at club a little parallelogram aa ' b ' b to be installed; Whenever guarantee all that two parallelogram are similar, four corresponding limits are parallel, and ab and ao ' partially overlap, and a ' b ' and a ' o partially overlap, and the little parallelogram that is installed on the club just can find that aiming point.
Described boost line length equals billiard ball diameter or radius, the present invention is diameter or radius no matter, all come from the such method of sight of extension on the club axis, can utilize length to equal the boost line of a billiard ball diameter, the centre of sphere of run-home ball also can utilize length to equal the boost line of half sphere diameter, and the point of impingement when the aiming mother bulb impacts object ball aims at, compare the aiming centre of sphere and acquire a certain degree of difficulty, thus boost line length to equal the billiard ball diameter better.
The invention has the beneficial effects as follows: 1. provide brand-new aiming visual angle and a method of sight for the billiard training person, equal the boost line of billiard ball diameter by one or more length of extension on the cue axis, namely pass through in position, cue axis, it is the variable parallelogram billiard ball sighting device of billiard ball diameter that two length of sides are installed, and can easily realize by this device run-home ball centre of sphere object ball being thrown into the purpose of bag.Simultaneously, the line aiming mother bulb of mid point that can also be by limit one and limit three impacts the point of impingement aiming of object ball, and perhaps the cross angle scale by installing knows that accurately the angle of departure when mother bulb impacts object ball aims at, and object ball is thrown in the bag.2. both can realize the aiming of direct object ball is impacted, can realize that also the aiming that impacts the second object ball by pass impacts, even important reference index can be provided for the aiming of rebound, improve the player to judgement and the assurance of the relation of the outer aiming point of the Angular measures object ball of the goal route between object ball and the sack.3. both can be installed on the club by carriage, as the gun sight of rifle, combine together fully with club, by adjusting the angle of inclination of parallelogram, aim at.Also application of principle aims in multiple supplementary means accordingly, such as making the special-purpose club of training, hack lever, hand frame auxiliary equipment etc.Therefore, the especially invention of a kind of technology and method of the present invention.The present invention is simple in structure, acts freely, and is flexible, can aim at club as rifle.
Description of drawings
Fig. 1 is embodiment of the invention sighting device schematic diagram;
Fig. 2 is embodiment of the invention sight device schematic diagram on club;
Fig. 3 is embodiment of the invention sighting device structural representation;
Fig. 4 is the embodiment of the invention one method of sight schematic diagram one;
Fig. 5 is the embodiment of the invention one method of sight schematic diagram two;
Fig. 6 is the embodiment of the invention two method of sight schematic diagrames one;
Fig. 7 is the embodiment of the invention two method of sight schematic diagrames two;
Fig. 8 is the embodiment of the invention two method of sight schematic diagrames three;
Fig. 9 is the embodiment of the invention three method of sight schematic diagrames;
Figure 10 is embodiment of the invention aiming principle schematic;
Figure 11 is the embodiment of the invention four schematic diagrames;
Among the figure: limit 1, limit 22, limit 33, limit 44, angle scale 5, manipulation knob 6, club 7, mother bulb 8, object ball 9, virtual ball 10, the second object ball 11, laser aid 12.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described by embodiment.
Theoretical foundation of the present invention: when addressing, the mother bulb centre of sphere is crossed in the cue axis, an adjacent billiard ball diametrical position with the object ball centre of sphere on sack and the object ball line, to the object ball centre of sphere, to the club axis, outwards do again end points outside, the boost line that length equals a billiard ball diameter parallel with the object ball line with sack, can form all the time a parallelogram.
The special-purpose billiard ball sighting device of present embodiment: on the club axis, the parallelogram that can rotate freely is installed, four angles of parallelogram are stud connection, and wherein limit 22 is parallel and isometric with limit 44, and limit 44 is fixed on the club axis; Two other limit 1 is parallel with limit 33, and length equals a billiard ball diameter, and whole parallelogram can horizontally rotate distortion around club.
Method of sight: have in the situation of goal path at object ball 9, club 7 is aimed at mother bulb 8 centre ofs sphere, by adjusting, when making limit one be in the object ball position parallel with the sack line, this parallelogram has just become limit two to the object ball centre of sphere, arrive again outer virtual ball 10 centre ofs sphere of diametral distance of sack and the object ball centre of sphere, again along the cue axis to the limit one and the part of the parallelogram intercepting that consists of of the intersection point on limit four, the direction of object balls is pointed on limit two at this moment, club has just pointed to the position of the centre of sphere of adjacent with object ball on sack and an object ball line extended line virtual ball, aiming point namely, therefore, utilize the limit two run-home ball centre ofs sphere, this moment, rod just can be thrown object ball in the bag into.
Established angle scale 5 on the hinge on fillet one and limit four, angle scale is provided with cross, can be in the motionless situation in limit one rotatable this angle scale, but when one rotation of limit, this angle scale can be followed limit one and be moved.Be convenient to measure and observe various aimings, angle of shot.
Described limit four is fixed on the club, and limit one, limit two, limit three can rotate freely each other.
When described boost line length equals the billiard ball diameter, on the limit one and the point midway on limit three do the mid point mark, be the length of billiard ball radius, the point of impingement when being convenient to observe mother bulb and object ball bump.
The present invention is provided with transmission mechanism and manipulation knob, the output of transmission mechanism is connected with limit one, and manipulation knob is arranged on the position of player's holding rod on the club, the control transmission mechanism, drive limit one rotation by manipulation knob by transmission mechanism, reach the purpose of adjusting limit one angle.
The present invention can be arranged on club and put (the club cover comprises as shown in the figure but is not limited to this), and the club cover is enclosed within on the club, can be suitable for any club; Can also be arranged on the club, become one with club, make the special-purpose club of training.
Have at object ball under the prerequisite in goal path, according to the angle scale on the limit one, measurement or range estimation estimate object ball and sack line angle.Then, adjust limit one by manipulation knob, when making the angle in the goal path between angle that its tilts and object ball and the sack parallel, with the direct pointing center of object ball, limit two, the direction on limit four namely is the direction that club aims at; At this moment, the little parallelogram that the present invention forms has just become limit two to the object ball centre of sphere, the centre of sphere of a virtual ball adjacent with object ball on sack and the object ball centre of sphere line extended line again, again along the club axis to the limit one and the part of the large parallelogram intercepting that consists of of the intersection point on limit four, the direction of the object ball centre ofs sphere is pointed on limit two at this moment, club has just pointed to the position of the centre of sphere of adjacent with object ball on sack and an object ball centre of sphere line extended line virtual ball, aiming point namely, therefore, utilize the limit two run-home ball centre ofs sphere just object ball can be thrown in the bag.
If at object ball the goal route is arranged, but in the situation that mother bulb is lived by other ball stopper, when being forced to utilize pass to impact object ball, the player can measure respectively or estimate the angle of the goal route that estimates between the second object ball and the sack and the object ball angle when impacting the second object ball and advancing bag, again when impacting mother bulb, parallelogram length is equaled limit one and the limit three of billiard ball diameter, adjust to the aiming point angle parallel with the line of object ball when object ball impacts the second object ball and enters bag, this moment the limit two ball centre of sphere that aims at the mark, limit four is the sighted direction that direction that club aims at is mother bulb, thereby realizes throwing the second object ball in the bag purpose by pass.
In addition, also by adjusting the angle of inclination on limit one and limit three, the anticipation mother bulb impacts object ball and arrives the position in storehouse, limit and the trend after the bounce-back, provides reference for impacting rebound.
Embodiment one, and common batting enters bag.
With reference to accompanying drawing 4, limit 1, limit 22, limit 33, limit 44, four edges is overlapped into straight line and club together points to object ball 9 and sack, and a horizontal line that angle scale 5 is rotated to cross is parallel with ball table edge, observes the angle of line on angle scale that club points to sack.
With reference to accompanying drawing 5, club points to mother bulb 8, by regulating manipulation knob 6 variable parallelogram is opened, the cross horizontal line of angle of arrival scale 5 parallel with ball table edge (angle of viewing angle scale), this moment, the sensing on limit one and limit three was parallel with the line of object ball and sack, with the centre of sphere of limit two run-home balls (keep simultaneously cross horizontal line parallel with ball table edge), then limit four is that club has pointed to aiming point, and bag is advanced in batting.
Embodiment two, and object ball has the goal route, but in the situation that mother bulb is lived by other ball stopper, are forced to utilize pass to impact object ball.
With reference to accompanying drawing 6, limit 1, limit 22, limit 33, limit 44, four edges is overlapped into straight line and club points to the second object ball 11 and sack, and a horizontal line that angle scale 5 is rotated to cross is parallel with ball table edge, observes the angle of line on angle scale that club points to sack.
With reference to accompanying drawing 7, club points to object ball, variable parallelogram is opened, cross horizontal line to angle scale 5 is parallel with ball table edge, this moment, the sensing on limit one and limit three was parallel with the line of the second object ball and sack, with the centre of sphere of limit two run-home balls 9, observed the angle of direction on angle scale that club points to object ball again, and anglec of rotation scale, this angle is rotated to axis aligned position with limit one.
With reference to accompanying drawing 8, club points to mother bulb 8, by regulating manipulation knob 6 variable parallelogram is opened, the cross horizontal line of angle scale is parallel with ball table edge, this moment is with the centre of sphere of limit two run-home balls, then limit four is the aiming point that club has pointed to object ball, impact object ball after, object ball is thrown the second object ball in the bag into.
Embodiment three, and with reference to accompanying drawing 9, also by adjusting the angle of inclination on limit one and limit three, the anticipation mother bulb impacts object ball and arrives the position in storehouse, limit and the trend after the bounce-back, provides reference for impacting rebound.
Embodiment four, and with reference to accompanying drawing 11, for aiming at consideration directly perceived, limit two also can be replaced by the good laser aid 12 of adjustment; Laser aid is public technology contents, for example laser sight.
Claims (10)
1. special-purpose billiard ball sighting device, be installed on the club axis, it is characterized in that: extension goes out the boost line that one or more length equals billiard ball diameter or radius on the club axis, this boost line with utilize the end points of this boost line to concentrate one's gaze on the object ball centre of sphere or concentrate one's gaze on the point of impingement, again with sack, object ball centre of sphere line extended line on the line of the virtual ball centre of sphere adjacent with object ball, cross the mother bulb centre of sphere to the other end of this boost line with the club axis again, consisted of a parallelogram; Concentrate one's gaze on the object ball centre of sphere or concentrate one's gaze on the point of impingement along the end points of described boost line outer end, utilize the parallel principle in both sides corresponding to parallelogram, club axis and that run-home ball centre of sphere or concentrate one's gaze on the line parallel of the point of impingement just can be thrown object ball in the bag into.
2. a kind of special-purpose billiard ball sighting device according to claim 1, it is characterized in that: described boost line be two be parallel to each other, the boost line of equal in length, article two, boost line and they line between line between the starting point on the club, two boost line terminal points consists of a parallelogram, and described two boost line length equal billiard ball diameter or radius.
3. a kind of special-purpose billiard ball sighting device according to claim 2, it is characterized in that: the limit one (1) that described two boost lines are respectively parallelogram and limit three (3), article two, boost line is that line is the limit two (2) of parallelogram between four (4), two boost line terminal points in limit of parallelogram at line between the starting point on the club, four angles of parallelogram are stud connection, can freely rotate; The hinge on fillet one and limit four arranges angle scale (5) on club, is provided with cross above the angle scale, and in the motionless situation in limit one, angle scale is rotated by external force still can; When one rotation of limit, this angle scale is followed limit one rotation, is convenient to measure and observe various aimings, angle of shot.
4. a kind of special-purpose billiard ball sighting device according to claim 3 is characterized in that: described limit two is replaced by the good laser aid of adjustment; Described limit four is fixed on the club, and limit one, limit two, limit three can rotate freely each other.
5. a kind of special-purpose billiard ball sighting device according to claim 4, it is characterized in that: when described boost line length equals the billiard ball diameter, on the limit one and the point midway on limit three do the mid point mark, be the length of billiard ball radius, the point of impingement when being convenient to observe mother bulb and object ball bump.
6. a kind of special-purpose billiard ball sighting device according to claim 3, it is characterized in that: be provided with transmission mechanism and manipulation knob, the output of transmission mechanism is connected with limit one, manipulation knob is arranged on the position of player's holding rod on the club, the control transmission mechanism, drive limit one rotation by manipulation knob by transmission mechanism, reach the purpose of adjusting limit one angle.
7. billiard ball method of sight, it is characterized in that: the special-purpose billiard ball sighting device that adopts claim 1 to limit carries out, extension goes out the boost line that one or more length equals billiard ball diameter or radius on the club axis, this boost line with utilize the end points of this boost line to concentrate one's gaze on the object ball centre of sphere or concentrate one's gaze on the point of impingement, again with sack, object ball centre of sphere line extended line on the line of the virtual ball centre of sphere adjacent with object ball, cross the mother bulb centre of sphere to the other end of this boost line with the club axis again, consisted of a parallelogram; Concentrate one's gaze on the object ball centre of sphere or concentrate one's gaze on the point of impingement along the end points of described boost line outer end, utilize the parallel principle in both sides corresponding to parallelogram, as long as club axis and that run-home ball centre of sphere or concentrate one's gaze on the line parallel of the point of impingement just can be thrown object ball in the bag into.
8. a kind of billiard ball method of sight according to claim 7, it is characterized in that: have in the situation of goal path at object ball (9), club (7) is aimed at mother bulb (8) centre of sphere, by adjusting, when making limit one be in the object ball position parallel with the sack line, this parallelogram has just become limit two to the object ball centre of sphere, a virtual ball (10) centre of sphere adjacent with object ball on sack and the object ball centre of sphere line extended line again, again along the cue axis to the limit one and the part of the parallelogram intercepting that consists of of the intersection point on limit four, the direction of the object ball centre ofs sphere is pointed on limit two at this moment, club has just pointed to the position of adjacent with object ball on sack and an object ball line extended line virtual ball centre of sphere, aiming point namely, therefore, utilize the limit two run-home ball centre ofs sphere, this moment, rod just can be thrown object ball in the bag into.
9. a kind of billiard ball method of sight according to claim 7, it is characterized in that: if at object ball the goal route is arranged, but in the situation that mother bulb is lived by other ball stopper, when being forced to utilize pass to impact object ball, measure respectively or the angle of range estimation when estimating the angle of the goal route between the second object ball and the sack and object ball and impacting the second object ball and advance bag, again when impacting mother bulb, parallelogram length is equaled limit one and the limit three of billiard ball diameter, adjust to the aiming point angle parallel with the line of object ball when object ball impacts the second object ball and enters bag, this moment the limit two ball centre of sphere that aims at the mark, limit four is the sighted direction that direction that club aims at is mother bulb, thereby realizes throwing the second object ball in the bag purpose by pass.
10. a kind of billiard ball method of sight according to claim 7 is characterized in that: by adjusting the angle of inclination on limit one and limit three, the anticipation mother bulb impacts object ball and arrives the position in storehouse, limit and the trend after the bounce-back, provides reference for impacting rebound.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103389178A CN103349835A (en) | 2013-08-06 | 2013-08-06 | Billiard aiming method and special billiard aiming device |
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| CN2013103389178A CN103349835A (en) | 2013-08-06 | 2013-08-06 | Billiard aiming method and special billiard aiming device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457263A (en) * | 2016-01-18 | 2016-04-06 | 李智 | Auxiliary appliance for billiard shot aiming |
| CN108701364A (en) * | 2017-08-15 | 2018-10-23 | 深圳英麦吉科技有限公司 | Billiard position determining method, billiard position determining device and electronic equipment |
| CN110772792A (en) * | 2018-08-08 | 2020-02-11 | 张恩隆 | System and method for planning batting path |
| US10653941B2 (en) | 2017-11-28 | 2020-05-19 | Matt Lyons | Lag winner determination and training apparatus and method of use |
| CN111167109A (en) * | 2020-02-11 | 2020-05-19 | 王永辉 | Method and mechanism for pointing, calculating and indicating thickness of cut ball and posture adjusting device |
| CN111228779A (en) * | 2020-02-11 | 2020-06-05 | 王永辉 | Method and mechanism for aiming, calculating and indicating thickness of cut ball and billiard posture adjusting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2276825A (en) * | 1993-04-01 | 1994-10-12 | Andre Alberto Tavares Monteiro | A snooker cue |
| CN201200787Y (en) * | 2008-05-26 | 2009-03-04 | 鲁东 | Collimation tool of billiard sport |
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- 2013-08-06 CN CN2013103389178A patent/CN103349835A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2276825A (en) * | 1993-04-01 | 1994-10-12 | Andre Alberto Tavares Monteiro | A snooker cue |
| CN201200787Y (en) * | 2008-05-26 | 2009-03-04 | 鲁东 | Collimation tool of billiard sport |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457263A (en) * | 2016-01-18 | 2016-04-06 | 李智 | Auxiliary appliance for billiard shot aiming |
| CN108701364A (en) * | 2017-08-15 | 2018-10-23 | 深圳英麦吉科技有限公司 | Billiard position determining method, billiard position determining device and electronic equipment |
| CN108701364B (en) * | 2017-08-15 | 2021-09-07 | 深圳英麦吉科技有限公司 | Billiard position determining method, billiard position determining device and electronic equipment |
| US10653941B2 (en) | 2017-11-28 | 2020-05-19 | Matt Lyons | Lag winner determination and training apparatus and method of use |
| CN110772792A (en) * | 2018-08-08 | 2020-02-11 | 张恩隆 | System and method for planning batting path |
| CN110772792B (en) * | 2018-08-08 | 2023-03-14 | 张恩隆 | System and method for planning batting path |
| CN111167109A (en) * | 2020-02-11 | 2020-05-19 | 王永辉 | Method and mechanism for pointing, calculating and indicating thickness of cut ball and posture adjusting device |
| CN111228779A (en) * | 2020-02-11 | 2020-06-05 | 王永辉 | Method and mechanism for aiming, calculating and indicating thickness of cut ball and billiard posture adjusting device |
| CN111228779B (en) * | 2020-02-11 | 2021-10-26 | 王永辉 | Method and mechanism for aiming, calculating and indicating thickness of cut ball and billiard posture adjusting device |
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Application publication date: 20131016 |