CN110368660A - Sports tournament device for scoring and point system - Google Patents
Sports tournament device for scoring and point system Download PDFInfo
- Publication number
- CN110368660A CN110368660A CN201910763637.9A CN201910763637A CN110368660A CN 110368660 A CN110368660 A CN 110368660A CN 201910763637 A CN201910763637 A CN 201910763637A CN 110368660 A CN110368660 A CN 110368660A
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- CN
- China
- Prior art keywords
- scoring
- score
- turnover panel
- lamp
- sensor
- 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.)
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Classifications
-
- 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
- A63B71/0605—Decision makers and devices using detection means facilitating arbitration
-
- 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
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
-
- 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
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
- A63B71/0669—Score-keepers or score display devices
-
- 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
- A63B71/0605—Decision makers and devices using detection means facilitating arbitration
- A63B2071/0611—Automatic tennis linesmen, i.e. in-out detectors
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2243/00—Specific ball sports not provided for in A63B2102/00 - A63B2102/38
- A63B2243/0095—Volleyball
Abstract
The present invention relates to sports equipment field, especially a kind of sports tournament device for scoring and point system.Aim to solve the problem that the big problem of difficulty of scoring in campus volleyball match in the prior art.The present invention includes bracket and rotational installation in the score turnover panel on bracket two sides, score turnover panel is connected with the power source for driving score board to stir, power source is wirelessly connected with control panel, control panel is equipped with two indicator lights with ground-sensor communication connection, it is additionally provided with two double-colored switches of corresponding each indicator light, it is double-colored to switch the opening and closing for controlling the power source of score turnover panel two sides respectively, ground-sensor is laid on the outside on volleyball court boundary in the form of the zebra stripes that interlock, height off the ground is less than 2mm, bottom is equipped with mechanics sensor, mechanics sensor connects data chip via digital circuit, the output end of data chip connects indicator light switch.Advantage is: forming the integral equipment used convenient for vollyball course in campus and method of complete set.
Description
Technical field
The present invention relates to sports equipment field, especially a kind of sports tournament device for scoring and point system.
Background technique
Scoreboard is, for recording, to calculate the tool of athlete's achievement in match.At this stage for scoreboard
It improves and is traditional papery score being changed to electronics score, Bluetooth remote control control more.Or it is carried out in the volume of scoreboard
It improves, is allowed to more small and exquisite, it is easy to carry.
In each ball game, from score angle, simplest is football, and that most complicated is tennis and basketball, applicant
Think, in volleyball match, vollyball falls the judgement of boundary's point and appraises there are certain problem, and applicant teaches in sport throughout the year
Field work, the vollyball administrative center work in campus find exist as follows not in campus Volleyball Teaching training at this stage
Foot: position shortage of staff is judged in 1. faculty's manpower wretched insufficiencies, especially curricula, it is difficult to find to face teaching process middle school student
And judge difficult target-seeking state, temporarily transfer student as sideline judge or net judge, often because the relevant rudimentary knowledge difference of student and
It influences to determine result and training progress.
Meanwhile classroom instruction at this stage cannot configure big data analysis instrument, and because above-mentioned since cost limits
The few reason of manpower often lacks data analysis to when section training session after training session.
Summary of the invention
The object of the invention is in order to solve to score in campus volleyball match in the prior art, difficulty is big, lacks data point
The problem of analysis.
Concrete scheme of the invention is: a kind of sports tournament device for scoring, including bracket and rotational installation are in the branch
Score turnover panel on frame two sides, the score turnover panel are connected with the power source for driving score board to stir, and the power source wirelessly connects
It is connected to control panel, the control panel is equipped with two indicator lights with ground-sensor communication connection, is additionally provided with corresponding each instruction
Two double-colored switches of lamp, the double-colored switch control the opening and closing of the power source of score turnover panel two sides respectively, feel describedly
Device is laid on the outside on volleyball court boundary in the form of the zebra stripes that interlock, and height off the ground is less than 2mm, and bottom is sensed equipped with mechanics
Device, the mechanics sensor connect single-chip microcontroller via digital circuit, and the output end of the single-chip microcontroller connects indicator light switch, power
The open-close on-off of motor in source, in power source motor rotational angle control element, be also connected with display screen.
In specific implementation, the power source includes motor-driven shaft, and the shaft is via the uniformly distributed installation of hinged connection
At least 40 turnover panels, the turnover panel are equipped with limit ratchet, so as to constitute between the turnover panel and lower section turnover panel of ratchet limit corresponding
Score is shown.The ground-sensor includes pressure inductor.
In specific implementation, it is also equipped with the first additional device for scoring on the bracket, is installed on the additional device for scoring
Additional score panel turnover mechanism, the additional score panel turnover mechanism include the first rotating shaft that the first additional motor drives, and described first
For shaft via uniformly distributed installation at least 20 turnover panels of hinged connection, the turnover panel is equipped with limit ratchet, so that ratchet limit is turned over
It constitutes corresponding score between plate and lower section turnover panel to show, the opening and closing of the motor of the first additional device for scoring and corner control member
Part connects the output end of the controller.
In specific implementation, it is also equipped with the second additional device for scoring on the bracket, on the second additional device for scoring
Five-element's slot is installed, the plate of 4 or 5 display numbers is equipped in slot described in every row, shield is installed on the bracket, institute
It states bracket to be mounted in equipment basket, the protection cover-cap is together in the equipment basket top.
In specific implementation, vibration inductor, the vibration inductor radio connection controller are also installed in vollyball
Input terminal, the controller be equipped with timing circuit with count vollyball and ground-sensor collision time.
In specific implementation, via hinge connection between the bracket and the equipment basket.
The invention further relates to a kind of sports tournament point systems, are used tricks in volleyball match using above-mentioned sports tournament
Separating device includes the following steps:
(1) falling sphere point information search: when falling sphere point is obviously in single side out-of-bounds, net judge controls the side, and out-of-bounds lamp is bright
It rises, or when falling sphere point activation single side mechanics sensor out-of-bounds, relevant out-of-bounds lamp is activated to light；
(2) strike information search before falling sphere: that touched before net judge's judgement vollyball landing is a side, and it is bright that a side touches ball lamp
Rise, to should net judge determines to be touched before vollyball landing is another party, another party touches ball lamp and lights, and falls in boundary when asking
When, net judge manually determines that the last touching ball lamp for touching ball side and controlling side representated by the party lights；
(3) score determines simultaneously reproduction: when the falling sphere indicator light and ball-handling knowledge lamp that correspond to ipsilateral on control panel light in pairs
When, determine that the side troop loses points；When the falling sphere indicator light of two sides each on control panel and ball-handling knowledge lamp light in pairs, determining should
Side troop loses points, and the side troop for determining that touching ball lamp lights loses points, and then remotely controls relevant power source starting and drive board turning；
(4) collection of relevant information: a, time that the single-chip microcontroller in controller lights unilateral touching ball lamp and falling sphere lamp simultaneously
Number counts, and is connected to display screen, count information is exported to display screen, to show side troop overdriving probability；B. it controls
Single-chip microcontroller in device processed touches the number that ball lamp and falling sphere lamp light simultaneously to two sides and counts, and exports count information to display screen
It is spiked off the block number with counting unilateral troop；C. the single-chip microcontroller in controller to the only number that lights of touching ball lamp counted into
Row numeration exports count information to display screen to count unilateral troop's slam-shot and block point number.
It should be pointed out that using the determination to moment is collided between vollyball and ground-sensor, preventing from transporting in step (2)
It mobilizes and successively contacts to earth erroneous judgement of the induction device to result with vollyball, collide moment clocking information via communication connection and be transmitted to display
Screen.
The beneficial effects of the present invention are: the not high equipment of a set of cost is designed, the combination of each electric elements is passed through
On a small quantity to the change of venue, the problem of ruling personnel specialty degree deficiency can be made up, submits the quality of vollyball training in campus,
A part of data statistics is realized simultaneously, convenient for analyzing after class；The equipment such as dust cover and equipment basket are installed additional, convenient for depositing for everyday devices
It puts；Entire statistical method is easy to learn, is convenient for student quickly upper Hand supplementary teacher, it is a variety of that whole equipment can deform adaptation in many ways
Embodiment.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the perspective view of structure of the invention；
Fig. 2 is the main view of structure of the invention；
Fig. 3 is the top view of structure of the invention；
Fig. 4 is the left view of structure of the invention；
Fig. 5 is the structural schematic diagram that turnover panel of the present invention connects main shaft；
Fig. 6 is control flow schematic diagram；
The names of the parts in figure: 1. out-of-bounds；2. in boundary；3. ground-sensor；4. controller mounting table；5. bracket；6. second
Additional device for scoring；7. equipment basket；8. limiting ratchet；9. turnover panel；10. first rotating shaft.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
A kind of sports tournament device for scoring, referring to Fig. 1 to Fig. 6, design includes bracket 5 and rotational installation in 5 liang of bracket
Score turnover panel 9 on side, score turnover panel 9 are connected with the power source for driving score board to stir, and power source is wirelessly connected with control panel,
Control panel is equipped with two indicator lights with 3 communication connection of ground-sensor, is additionally provided with two of corresponding each indicator light and double-colored opens
It closes, double-colored switch controls the opening and closing of the power source of 9 two sides of score turnover panel respectively, and ground-sensor 3 is laid in the form of the zebra stripes that interlock
In the outside on volleyball court boundary, height off the ground is less than 2mm, and bottom is equipped with mechanics sensor, and mechanics sensor is via digital electricity
Road connects single-chip microcontroller, the output end connection indicator light switch of single-chip microcontroller, the open-close on-off of motor in power source, motor in power source
Rotational angle control element, be also connected with display screen.4 switches respectively control the rotation of two motors altogether, are in order to ipsilateral
It is easy to operate, using single-chip microcontroller setting circuit with or relationship, while meet lamp and switch flicker relationship when, start corresponding electricity
Machine.Motor is unable to counter-rotating in the present embodiment, and interoffice needs device reset.
Power source includes motor-driven shaft, and shaft is via uniformly distributed installation at least 40 turnover panels 9 of hinged connection, turnover panel 9
It is equipped with limit ratchet 8, is shown so as to constitute corresponding score between the turnover panel 9 and lower section turnover panel 9 of ratchet limit.
Ground-sensor 3 includes pressure inductor.Staggeredly the design of zebra stripes is convenient for the detection and perception to pressure.
It is also equipped with the first additional device for scoring on bracket 5, adds the additional score panel turnover mechanism of installation on device for scoring, it is attached
Adding score panel turnover mechanism includes the first rotating shaft 10 that the first additional motor drives, and first rotating shaft 10 is via the uniformly distributed peace of hinged connection
Few 20 turnover panels 9 are filled to, turnover panel 9 is equipped with limit ratchet 8, so that the turnover panel 9 of ratchet limit is corresponding with composition between lower section turnover panel 9
Score show, the opening and closing of the motor of the first additional device for scoring and corner control element connection controller output end.Specifically
In work, it is equivalent to below flap 9 and the upper surface of lower turnover panel 9 collectively forms set of number, form present score, increase ratio
Timesharing, 9 turns of next flap fall and can realize.
It is also equipped with the second additional device for scoring 6 on bracket 5, five-element's slot, every row are installed on the second additional device for scoring 6
It is equipped with the plate of 4 or 5 display numbers in slot, shield is installed on bracket 5, bracket 5 is mounted in equipment basket 7, protection
The cover is together in 7 top of equipment basket.Equipment basket 7 can also place the vollyball cleaned within the maintenance period.The design in order to
Intuitively find out every innings of small score.Shield primarily serves the effect of protection.
Via hinge connection between bracket 5 and equipment basket 7.Visible another kind assembled state in Fig. 1.
A kind of sports tournament point system being related in the present embodiment uses above-mentioned sport ratio in volleyball match
Match device for scoring, which comprises the steps of:
(1) falling sphere point information search: when falling sphere point is obviously in single side out-of-bounds, net judge controls the side, and out-of-bounds lamp is bright
It rises, or when falling sphere point activation single side mechanics sensor out-of-bounds, relevant out-of-bounds lamp is activated to light；
(2) strike information search before falling sphere: that touched before net judge's judgement vollyball landing is a side, and it is bright that a side touches ball lamp
Rise, to should net judge determines to be touched before vollyball landing is another party, another party touches ball lamp and lights, and falls in boundary when asking
When, net judge manually determines that the last touching ball lamp for touching ball side and controlling side representated by the party lights；
(3) score determines simultaneously reproduction: when the falling sphere indicator light and ball-handling knowledge lamp that correspond to ipsilateral on control panel light in pairs
When, determine that the side troop loses points；When the falling sphere indicator light of two sides each on control panel and ball-handling knowledge lamp light in pairs, determining should
Side troop loses points, and the side troop for determining that touching ball lamp lights loses points, and then remotely controls relevant power source starting and drive board turning；
(4) collection of relevant information: a, time that the single-chip microcontroller in controller lights unilateral touching ball lamp and falling sphere lamp simultaneously
Number counts, and is connected to display screen, count information is exported to display screen, to show side troop overdriving probability；B. it controls
Single-chip microcontroller in device processed touches the number that ball lamp and falling sphere lamp light simultaneously to two sides and counts, and exports count information to display screen
It is spiked off the block number with counting unilateral troop；C. the single-chip microcontroller in controller to the only number that lights of touching ball lamp counted into
Row numeration exports count information to display screen to count unilateral troop's slam-shot and block point number.
The application is not suitable with beach volleyball.
Embodiment 2
The present embodiment principle is with embodiment 1, specific difference, and in step (2), vibration induction is also installed in vollyball
Device, the input terminal of vibration inductor radio connection controller, controller are equipped with timing circuit to count vollyball and ground and feel
The time that device 3 collides.Using the determination to moment is collided between vollyball and ground-sensor 3, prevent sportsman from successively touching with vollyball
The erroneous judgement of 3 pairs of results of ground-sensor collides moment clocking information via communication connection and is transmitted to display screen.In the present embodiment, at
This is slightly higher, but can further make result judgement more accurate.
Embodiment 3
In the present embodiment, the application method of each components is constant, can be slightly flexible by operating method, as daily white silk
It practises and using, especially garnishment ball uses, can quickly probability and service fault rate in one attack man of decision statistic service circle.
Embodiment 4
In the present embodiment, the application method of each components is constant, can be slightly flexible by operating method, as daily white silk
It practises and using, use of especially following the ball is served a ball by service robot or coach, is nearby served a ball towards ground motion perception sensor, and team member follows the ball, according to
The feel of the ball of secondary culture defense save.
Embodiment 5
In the present embodiment, small range deformation can be done to equipment, for example ground propagated sensation sensor is mounted on billiard table, thus into
Row score work, in the present embodiment, the difference is that, increase makes 4 subregions to billiard table with vollyball score, to determine to fall
Whether lower subregion is correct.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of sports tournament device for scoring including bracket and is rotatablely installed in the score turnover panel on the bracket two sides,
Be characterized in that: the score turnover panel (9) is connected with the power source for driving score board to stir, and the power source is wirelessly connected with control
Plate, the control panel are equipped with two indicator lights with ground-sensor (3) communication connection, are additionally provided with the two of corresponding each indicator light
A double-colored switch, the double-colored switch control the opening and closing of the power source of score turnover panel (9) two sides, the ground-sensor respectively
(3) outside on volleyball court boundary is laid in the form of the zebra stripes that interlock, height off the ground is less than 2mm, and bottom is sensed equipped with mechanics
Device, the mechanics sensor connect single-chip microcontroller via digital circuit, and the output end of the single-chip microcontroller connects indicator light switch, power
The open-close on-off of motor in source, in power source motor rotational angle control element, be also connected with display screen.
2. sports tournament device for scoring as described in claim 1, it is characterised in that: the power source includes motor-driven
Shaft, the shaft are equipped with limit ratchet via uniformly distributed installation at least 40 turnover panels (9) of hinged connection, the turnover panel (9)
(8), it is shown so as to constitute corresponding score between the turnover panel (9) and lower section turnover panel (9) of ratchet limit.
3. sports tournament device for scoring as described in claim 1, it is characterised in that: the ground-sensor (3) includes pressure
Inductor.
4. sports tournament device for scoring as described in claim 1, it is characterised in that: be also equipped on the bracket (5)
One additional device for scoring, the additional score panel turnover mechanism of installation, the additional score panel turnover mechanism packet on the additional device for scoring
The first rotating shaft (10) of the first additional motor drive is included, the first rotating shaft (10) is via the uniformly distributed installation at least 20 of hinged connection
Turnover panel (9), the turnover panel (9) are equipped with limit ratchet (8), so as to constitute between the turnover panel (9) and lower section turnover panel (9) of ratchet limit
Corresponding score shows that the opening and closing of the motor of the first additional device for scoring and corner control element connect the controller
Output end.
5. sports tournament device for scoring as described in claim 1 or 4, it is characterised in that: be also equipped on the bracket (5)
Second additional device for scoring (6) installs five-element's slot on the second additional device for scoring (6), is equipped with 4 in slot described in every row
Or the plate of 5 display numbers, shield is installed, the bracket (5) is mounted in equipment basket (7), institute on the bracket (5)
Protection cover-cap is stated together in equipment basket (7) top.
6. sports tournament device for scoring as claimed in claim 5, it is characterised in that: also install vibration induction dress in vollyball
It sets, the input terminal of the vibration inductor radio connection controller, the controller is equipped with timing circuit to count vollyball
With the time of ground-sensor (3) collision.
7. sports tournament device for scoring as claimed in claim 5, it is characterised in that: the bracket (5) and the equipment basket
(7) via hinge connection between.
8. a kind of sports tournament point system is scored in volleyball match using sports tournament as described in claim 1
Device, which comprises the steps of:
(1) falling sphere point information search: when falling sphere point is obviously in single side out-of-bounds, net judge controls the side, and out-of-bounds lamp is lighted,
Or when falling sphere point activation single side mechanics sensor out-of-bounds, relevant out-of-bounds lamp is activated to light；
(2) strike information search before falling sphere: that touched before net judge's judgement vollyball landing is a side, and a side touches ball lamp and lights,
To should net judge determines to be touched before vollyball landing is another party, another party touches ball lamp and lights, when ask fall in boundary when, it is secondary
Judge manually determines that the last touching ball lamp for touching ball side and controlling side representated by the party lights；
(3) score determines and reproduction: when correspond to ipsilateral falling sphere indicator light on control panel and knowledge lamp of controlling ball lights in pairs, sentencing
The fixed side troop loses points；When the falling sphere indicator light of two sides each on control panel and ball-handling knowledge lamp light in pairs, the side team is determined
5 lose points, and the side troop for determining that touching ball lamp lights loses points, and then remotely control relevant power source starting and drive board turning；
(4) collection of relevant information: a, the number that single-chip microcontroller in controller lights unilateral touching ball lamp and falling sphere lamp simultaneously into
Row numeration, is connected to display screen, count information is exported to display screen, to show side troop overdriving probability；B. controller
In single-chip microcontroller the number that ball lamp and falling sphere lamp light simultaneously touched to two sides count, to display screen output count information to unite
Unilateral troop is counted to spike off the block number；C. the single-chip microcontroller in controller count to the number that only touching ball lamp lights and remember
Number exports count information to display screen to count unilateral troop's slam-shot and block point number.
9. sports tournament point system as claimed in claim 8, it is characterised in that: in step (2), using to vollyball with
The determination that moment is collided between ground-sensor (3), prevents sportsman and vollyball successively contacts to earth erroneous judgement of the induction device (3) to result, touches
It hits moment clocking information and is transmitted to display screen via communication connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910763637.9A CN110368660B (en) | 2019-08-19 | 2019-08-19 | Scoring device and scoring method for sports competition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910763637.9A CN110368660B (en) | 2019-08-19 | 2019-08-19 | Scoring device and scoring method for sports competition |
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| Publication Number | Publication Date |
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| CN110368660A true CN110368660A (en) | 2019-10-25 |
| CN110368660B CN110368660B (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003019239A (en) * | 2001-07-06 | 2003-01-21 | Toshiro Ujiie | Score display device of score board |
| WO2006138607A2 (en) * | 2005-06-16 | 2006-12-28 | Brandt Richard A | Automated line calling system |
| CN202376720U (en) * | 2011-12-19 | 2012-08-15 | 贾串玲 | Tennis line judging system |
| CN205287542U (en) * | 2015-12-21 | 2016-06-08 | 杭州富阳久谊体育器材厂 | Scoring device |
| CN107349581A (en) * | 2017-07-26 | 2017-11-17 | 合肥新坞岩机械科技有限公司 | A kind of automatic score table tennis table and its scoring system |
-
2019
- 2019-08-19 CN CN201910763637.9A patent/CN110368660B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003019239A (en) * | 2001-07-06 | 2003-01-21 | Toshiro Ujiie | Score display device of score board |
| WO2006138607A2 (en) * | 2005-06-16 | 2006-12-28 | Brandt Richard A | Automated line calling system |
| CN202376720U (en) * | 2011-12-19 | 2012-08-15 | 贾串玲 | Tennis line judging system |
| CN205287542U (en) * | 2015-12-21 | 2016-06-08 | 杭州富阳久谊体育器材厂 | Scoring device |
| CN107349581A (en) * | 2017-07-26 | 2017-11-17 | 合肥新坞岩机械科技有限公司 | A kind of automatic score table tennis table and its scoring system |
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|---|---|
| CN110368660B (en) | 2020-12-11 |
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