CN107441692A - A kind of smart motion trap setting and system - Google Patents

A kind of smart motion trap setting and system Download PDF

Info

Publication number
CN107441692A
CN107441692A CN201710824164.XA CN201710824164A CN107441692A CN 107441692 A CN107441692 A CN 107441692A CN 201710824164 A CN201710824164 A CN 201710824164A CN 107441692 A CN107441692 A CN 107441692A
Authority
CN
China
Prior art keywords
monitoring
positional information
sensitive plane
sensor group
information
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.)
Pending
Application number
CN201710824164.XA
Other languages
Chinese (zh)
Inventor
郭鹏
彭坚
彭立
胡建华
李寅
刘芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Modern Science And Culture Co Ltd
Original Assignee
Hunan Modern Science And Culture Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hunan Modern Science And Culture Co Ltd filed Critical Hunan Modern Science And Culture Co Ltd
Priority to CN201710824164.XA priority Critical patent/CN107441692A/en
Publication of CN107441692A publication Critical patent/CN107441692A/en
Pending legal-status Critical Current

Links

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
    • A63B71/0619—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
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/80—Special sensors, transducers or devices therefor
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/80—Special sensors, transducers or devices therefor
    • A63B2220/83—Special sensors, transducers or devices therefor characterised by the position of the sensor
    • A63B2220/833—Sensors arranged on the exercise apparatus or sports implement
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
    • A63B2225/50—Wireless data transmission, e.g. by radio transmitters or telemetry

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Toys (AREA)

Abstract

The present invention provides a kind of smart motion trap setting and system, by setting two range sensor groups, and then pass through two range sensor group launch monitor signals, so that the monitoring signals being interweaved form a monitoring sensitive plane, and then this two groups of range sensor groups can be implemented on goal, so as to which the motion to ball is monitored, it is achieved thereby that the seizure for ball game, so as to which synkinesia person, trainer, coach and spectators efficiently obtain the ball concrete outcome entered, match, the efficiency and accuracy of training are added.

Description

A kind of smart motion trap setting and system
Technical field
The present invention relates to sports equipment field, and in particular to a kind of smart motion trap setting and system.
Background technology
With the development of professional sport and "sport for all", more and more people have been participated in all kinds of ball game, wherein, it is right Need to carry out for the ball game of scoring in football, ice hockey etc., the sportsman of participation generally requires to carry out shooting training.
In the prior art, for shooting training, think that the shooting situation to sportsman carries out mesh often through trainer Survey and statistics is trained, it is necessary to put into higher manpower, so as to improve training cost, reduce training effectiveness.
The content of the invention
The present invention provides a kind of smart motion trap setting and system, for improving the efficiency and accuracy of training, match.
One side of the invention provides a kind of smart motion trap setting, including：First range sensor group, second away from From sensor and control module；
The first range sensor group and the second distance sensor group communicate with the control module respectively to be connected；
It is sensitive flat that the monitoring signals of the first range sensor group and the second distance sensor group form a monitoring Face；
When there is object of which movement through the monitoring sensitive plane, the control module passes through first range sensor Group and the second distance sensor group, the object is obtained through the positional information of the monitoring sensitive plane.
Alternatively, the first range sensor group includes multiple first range sensors, and the multiple first distance passes Sensor is linearly distributed；
The multiple first range sensor is used to obtain position letter of the object in the x-axis of the monitoring sensitive plane Breath；
The second distance sensor group includes multiple second distance sensors, and the multiple second distance sensor is in straight Line is distributed；
The multiple second distance sensor is used to obtain position letter of the object in the y-axis of the monitoring sensitive plane Breath；
The positional information of the y-axis of the positional information of the x-axis of the monitoring sensitive plane and the monitoring sensitive plane is formed The positional information of the monitoring sensitive plane.
Alternatively, the control module, is additionally operable to：
The positional information of the monitoring sensitive plane is matched with predeterminable area；
If the match is successful, the record training information corresponding with the predeterminable area.
Alternatively, the control module, is specifically used for：
By it is described monitoring sensitive plane x-axis positional information and it is described monitoring sensitive plane y-axis positional information with The coordinate range of the predeterminable area is compared；
If at the positional information of the y-axis of the positional information of the x-axis of the monitoring sensitive plane and the monitoring sensitive plane In in the coordinate range of the predeterminable area, then the positional information of the monitoring sensitive plane is matched with predeterminable area.
Alternatively, in addition to：Output module, for exporting the training information.
Alternatively, the output module is LED module, for exporting visual information according to the training information.
Alternatively, in addition to：Communication module, for the training information to be sent to server；And/or by the instruction Practice information to send to terminal device.
Second aspect of the invention provides a kind of smart motion and catches system, including one side or one side are appointed Smart motion trap setting and the goal anticipated described in a kind of possible implementation；
The first range sensor group is arranged at the inner side of the cross bar；The second distance sensor group is set In the inner side that the goal side is lived；So that the plane surrounded is lived in the cross bar and the goal side forms the monitoring sensitivity Plane.
Alternatively, in addition to：Terminal device；
The terminal device, the training information is shown for receiving the training information, and in interactive interface.
Alternatively, in addition to：Server；
The server, counted for receiving the training information, and to the training information.
Smart motion trap setting provided in an embodiment of the present invention and system, by setting two range sensor groups, enter And by two range sensor group launch monitor signals, so that the monitoring signals being interweaved form a monitoring sensitive plane, And then this two groups of range sensor groups can be implemented on goal, so as to which the motion to ball is monitored, it is achieved thereby that right In the seizure of ball game, so as to synkinesia person, trainer, coach and spectators efficiently obtain it is ball enter it is specific As a result, match, the efficiency and accuracy of training are added.
Brief description of the drawings
Fig. 1 is the schematic layout pattern that a kind of smart motion provided in an embodiment of the present invention catches system；
Fig. 2 is a kind of structural representation of smart motion trap setting provided in an embodiment of the present invention；
Fig. 3 is the structural representation of another smart motion trap setting provided in an embodiment of the present invention；
Fig. 4 is a kind of monitoring sensitive plane functional schematic provided in an embodiment of the present invention；
Fig. 5 is the structural representation of another smart motion trap setting provided in an embodiment of the present invention；
Fig. 6 is the structural representation of another smart motion trap setting provided in an embodiment of the present invention；
Fig. 7 is the local structural representation in goal provided in an embodiment of the present invention；
Fig. 8 is the local structural representation in goal provided in an embodiment of the present invention.
Embodiment
Fig. 1 catches the schematic layout pattern of system, reference picture 1, this hair for a kind of smart motion provided in an embodiment of the present invention Bright embodiment catches system to smart motion and system is introduced by taking football pitch as an example.Further, reference picture 1, this is System includes smart motion trap setting, goal, terminal device and server；Wherein, smart motion trap setting can set with On goal, specific its can be that independent module be fixed on the crossbeam at general goal and side is lived in, can also when be integrated in goal Interior brand-new goal product, the present invention not limit.Further, the device can pass through wireless network and server/end End equipment carries out data communication.The following embodiments of the present invention can specifically introduce the specific implementation of data communication, herein no longer Repeat.
Fig. 2 is a kind of structural representation of smart motion trap setting provided in an embodiment of the present invention, referring to Fig. 2, the dress Put including：Including：First range sensor group 100, second distance sensor group 101 and control module 102；
The first range sensor group 100 and the second distance sensor group 101 respectively with the control module 102 Communication connection；
The monitoring signals of the first range sensor group 100 and the second distance sensor group 101 form a monitoring Sensitive plane 104；
When there is object of which movement through the monitoring sensitive plane 104, the control module 102 passes through first distance Sensor group 100 and the second distance sensor group 101, the object is obtained through the position of the monitoring sensitive plane 104 Confidence ceases.
Smart motion trap setting provided in an embodiment of the present invention, by setting two range sensor groups, and then pass through Two range sensor group launch monitor signals, so that the monitoring signals being interweaved form a monitoring sensitive plane, Jin Erke So that this two groups of range sensor groups are implemented on goal, so as to which the motion to ball is monitored, it is achieved thereby that for ball The seizure of motion, so as to which synkinesia person, trainer, coach and spectators efficiently obtain the ball concrete outcome entered, Add match, the efficiency and accuracy of training.
Alternatively, control module 102 can be with two sensor group wired connections；Wireless connection can also be passed through；Wherein, When for wired connection when, can infer the control module 102 can also set with goal；Or, together with the Ontology integration of goal；When For wireless connection when, the function of the control module 102 can be integrated on the server shown in Fig. 1/or terminal device on.
Correspondingly, the terminal device, the motion letter is shown for receiving the movable information, and in interactive interface Breath.The server, counted for receiving the movable information, and to the movable information.
Specifically, the terminal device can be smart mobile phone, tablet personal computer, notebook computer etc..Trainer, Cai Panhuo Spectators person can serve as the user of the terminal device.
On the basis of Fig. 2, Fig. 3 is the structural representation of another smart motion trap setting provided in an embodiment of the present invention Figure, reference picture 3, the device include：The first range sensor group 100 includes multiple first range sensor 100-1, described Multiple first range sensor 100-1 are linearly distributed；
The multiple first range sensor 100-1 is used to obtain y-axis of the object in the monitoring sensitive plane 104 Positional information；
The second distance sensor group 101 includes multiple second distance sensor 101-1, and the multiple second distance passes Sensor 101-1 is linearly distributed；
The multiple second distance sensor 101-1 is used to obtain axle of the object in the monitoring sensitive plane 104 Positional information；
The position letter of the y-axis of the positional information of the x-axis of the monitoring sensitive plane 104 and the monitoring sensitive plane 104 Breath forms the positional information of the monitoring sensitive plane 104.
Specifically, each first range sensor and each second distance sensor have unique mark；Therefore, One range sensor and second distance sensor form a monitoring array；For example, see Fig. 3, wherein the first range sensor Number be n, the number of second distance sensor is m；Then define the first monitoring point P in upper left corner positional information for (x1, Ym), last monitoring point of lower right corner P positional information is (xn, y1)；Then when ball through the monitoring sensitive plane any one During location point, corresponding second distance sensor can monitor accordingly on the first range sensor corresponding in x-axis and y-axis Data, then the specific region that the ball passes through is got, i.e., monitor the positional information of sensitive plane 104 above.Then can be corresponding Training in trainer is prompted, for example, it is necessary to which the sportsman to get a free kick penetrates when being trained for football free kick The dead angle area in the middle upper left corner, then the predefined dead angle area include P(x1,ym), then it is somebody's turn to do when the football that sportsman kicks out of passes through P(x1,ym)When, then prompt trainer to hit dead angle；Certainly, training region can include multiple test points, can specifically pass through Setting is configured.
Alternatively, the range sensor can be realized by various ways such as laser, magnetic field or ultrasonic waves, not limit herein It is fixed.
Alternatively, the embodiment provided with reference to figure 2 above and Fig. 3, for the positional information for getting each sensor The implication of training or demonstration is assigned, can be in advance by positional information and preset regions opening relationships, then by preset regions With movable information opening relationships, such as it is mentioned above, football free kick is trained in this motor behavior, by P(x1,ym)With it is dead Angular zone (predeterminable area) opening relationships, dead angle area establish contact with completing exercise target (movable information).It is given below one The implementation of the kind function of control module 102：
Specifically, the control module 102, is additionally operable to：
The positional information of the monitoring sensitive plane 104 is matched with predeterminable area；
If the match is successful, the record movable information corresponding with the predeterminable area.
Further, in order to realize the function of the control module 102, a kind of concrete implementation mode is given below：
The control module 102, is specifically used for：
By the position of the positional information of the x-axis of the monitoring sensitive plane 104 and the y-axis of the monitoring sensitive plane 104 Information is compared with the coordinate range of the predeterminable area；
If the position of the y-axis of the positional information of the x-axis of the monitoring sensitive plane 104 and the monitoring sensitive plane 104 Information is in the coordinate range of the predeterminable area, then the positional information of the monitoring sensitive plane 104 is entered with predeterminable area Row matching.
Specifically, so that sportsman carries out shooting practice as an example, Fig. 4 is sensitive flat for a kind of monitoring provided in an embodiment of the present invention Face functional schematic, reference picture 4, when sportsman shoots, the position that football passes through passes through the first range sensor group 100 above The monitoring sensitive plane formed with second distance sensor group 101 is monitored, and the positional information is sent into a control module 102.Alternatively, the positional information can also pass through multiple prisons by monitoring one in sensitive plane monitoring point identification Measuring point identifies, and not limits herein.
On the basis of Fig. 2 and Fig. 3, Fig. 5 is the knot of another smart motion trap setting provided in an embodiment of the present invention Structure schematic diagram, reference picture 5, the system, in addition to：Output module 105, for exporting the movable information.
Alternatively, the output module 105, can be audio external play equipment, LED, vibrations equipment etc., specifically, with LED Exemplified by lamp, the LED can be arranged on goal, or the region around goal, or even other regions in court；Work as sportsman When completing to score, the LED module exports visual information according to the movable information.For example, enter the phase at goal based on spheroid Position, and the positional information of monitoring sensitive plane 104 described above are answered, shows corresponding color/text information etc..
On the basis of Fig. 2 and Fig. 3, Fig. 6 is the knot of another smart motion trap setting provided in an embodiment of the present invention Structure schematic diagram, the system of reference picture 6, in addition to：
Communication module 106, for the movable information to be sent to server 107；And/or the movable information is sent out Deliver to terminal device 108.
Further, on the basis of Fig. 1, Fig. 7 is the local structural representation in goal provided in an embodiment of the present invention, is joined See Fig. 7, the first range sensor group 100 is arranged at the inner side of the cross bar；101 groups of the second distance sensor It is arranged at the inner side that the goal side is lived；So that the plane surrounded is lived in the cross bar and the goal side forms the monitoring Sensitive plane 104.
Alternatively, on the basis of Fig. 1, Fig. 8 is the local structural representation in goal provided in an embodiment of the present invention, referring to Fig. 8, the first range sensor group 100 are arranged inside the cross bar, and can be lateral out of this cross bar Outer transmitting detectable signal；101 groups of the second distance sensor is arranged at the inside that the goal side is lived, and can be from the goal The outside emission detection signal in inner side that side is lived, so that the plane surrounded is lived in the cross bar and the goal side forms the prison Survey sensitive plane 104.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology The scope of scheme.

Claims (10)

  1. A kind of 1. smart motion trap setting, it is characterised in that including：First range sensor group, second distance sensor and Control module；
    The first range sensor group and the second distance sensor group communicate with the control module respectively to be connected；
    The monitoring signals of the first range sensor group and the second distance sensor group form a monitoring sensitive plane；
    When there is object of which movement through the monitoring sensitive plane, the control module by the first range sensor group and The second distance sensor group, the object is obtained through the positional information of the monitoring sensitive plane.
  2. 2. device according to claim 1, it is characterised in that the first range sensor group includes multiple first distances Sensor, the multiple first range sensor are linearly distributed；
    The multiple first range sensor is used to obtain positional information of the object in the x-axis of the monitoring sensitive plane；
    The second distance sensor group includes multiple second distance sensors, and the multiple second distance sensor linearly divides Cloth；
    The multiple second distance sensor is used to obtain positional information of the object in the y-axis of the monitoring sensitive plane；
    Described in the positional information of the y-axis of the positional information of the x-axis of the monitoring sensitive plane and the monitoring sensitive plane is formed Monitor the positional information of sensitive plane.
  3. 3. device according to claim 2, it is characterised in that the control module, be additionally operable to：
    The positional information of the monitoring sensitive plane is matched with predeterminable area；
    If the match is successful, the record training information corresponding with the predeterminable area.
  4. 4. device according to claim 3, it is characterised in that the control module, be specifically used for：
    By it is described monitoring sensitive plane x-axis positional information and it is described monitoring sensitive plane y-axis positional information with it is described The coordinate range of predeterminable area is compared；
    If the positional information of the y-axis of the positional information of the x-axis of the monitoring sensitive plane and the monitoring sensitive plane is in institute State in the coordinate range of predeterminable area, then the positional information of the monitoring sensitive plane is matched with predeterminable area.
  5. 5. the device according to claim 3 or 4, it is characterised in that also include：Output module, for exporting the training Information.
  6. 6. device according to claim 5, it is characterised in that the output module is LED module, for according to Training information exports visual information.
  7. 7. device according to claim 1, it is characterised in that also include：Communication module, for the training information to be sent out Deliver to server；And/or the training information is sent to terminal device.
  8. 8. a kind of smart motion catches system, it is characterised in that is caught including the smart motion described in claim any one of 1-7 Device and goal；
    The first range sensor group is arranged at the inner side of the cross bar；The second distance sensor group is arranged at institute State the inner side that goal side is lived；So that the cross bar and the goal side are lived, the plane composition monitoring surrounded is sensitive to be put down Face.
  9. 9. system according to claim 8, it is characterised in that also include：Terminal device；
    The terminal device, the training information is shown for receiving the training information, and in interactive interface.
  10. 10. system according to claim 8, it is characterised in that also include：Server；
    The server, counted for receiving the training information, and to the training information.
CN201710824164.XA 2017-09-13 2017-09-13 A kind of smart motion trap setting and system Pending CN107441692A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710824164.XA CN107441692A (en) 2017-09-13 2017-09-13 A kind of smart motion trap setting and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710824164.XA CN107441692A (en) 2017-09-13 2017-09-13 A kind of smart motion trap setting and system

Publications (1)

Publication Number Publication Date
CN107441692A true CN107441692A (en) 2017-12-08

Family

ID=60495623

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710824164.XA Pending CN107441692A (en) 2017-09-13 2017-09-13 A kind of smart motion trap setting and system

Country Status (1)

Country Link
CN (1) CN107441692A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109173210A (en) * 2018-10-16 2019-01-11 湖南现代科文有限公司 Football intelligent training device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2732305Y (en) * 2004-09-21 2005-10-12 黄温智 Bowl training machine
US20060178236A1 (en) * 2005-02-04 2006-08-10 Mosbey Matthew P Device for detecting and recording characterstics of a projectile
CN201815073U (en) * 2010-10-22 2011-05-04 张汝昌 Exercise frame device for soccer fixed-point shooting
KR101505931B1 (en) * 2014-05-07 2015-03-25 (주)스크린게임연구소 screen baseball system and service method using it
CN106215403A (en) * 2016-08-22 2016-12-14 刘永锋 Moving sphere catches system
CN207545784U (en) * 2017-09-13 2018-06-29 湖南现代科文有限公司 A kind of smart motion trap setting and system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2732305Y (en) * 2004-09-21 2005-10-12 黄温智 Bowl training machine
US20060178236A1 (en) * 2005-02-04 2006-08-10 Mosbey Matthew P Device for detecting and recording characterstics of a projectile
CN201815073U (en) * 2010-10-22 2011-05-04 张汝昌 Exercise frame device for soccer fixed-point shooting
KR101505931B1 (en) * 2014-05-07 2015-03-25 (주)스크린게임연구소 screen baseball system and service method using it
CN106215403A (en) * 2016-08-22 2016-12-14 刘永锋 Moving sphere catches system
CN207545784U (en) * 2017-09-13 2018-06-29 湖南现代科文有限公司 A kind of smart motion trap setting and system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109173210A (en) * 2018-10-16 2019-01-11 湖南现代科文有限公司 Football intelligent training device

Similar Documents

Publication Publication Date Title
US20190321706A1 (en) Video analytics for human performance
CN109564621A (en) System and method for the tracking fortune band in movement environment
US20190160339A1 (en) System and apparatus for immersive and interactive machine-based strength training using virtual reality
US20120122574A1 (en) System and method for utilizing motion capture data
US20110021280A1 (en) Hitting technique by identifying ball impact points
CN107206278B (en) Server and dart game apparatus for providing dart game in accordance with hit area based on position of dart needle, and computer program
KR101494308B1 (en) Screen baseball system and the method using infrared camera
US20240082683A1 (en) Kinematic analysis of user form
US20230285832A1 (en) Automatic ball machine apparatus utilizing player identification and player tracking
KR20120075565A (en) Mobile sports guide system and method using augmented reality
US20200072689A1 (en) Networked Impact System and Apparatus
US20240173608A1 (en) Automatic umpiring system
CN107441692A (en) A kind of smart motion trap setting and system
US11951407B2 (en) Screen soccer system and method of providing screen soccer
CN207545784U (en) A kind of smart motion trap setting and system
CN105920817A (en) Football shooting trainer
CN109446241A (en) A kind of statistical method, device, equipment and the storage medium of sporter's technical parameter
KR20180056055A (en) System for providing solution of justice on martial arts sports and analyzing bigdata using augmented reality, and Drive Method of the Same
KR102522964B1 (en) Device and method for training techniques based on artificial intelligence
KR100975368B1 (en) Apparatus for providing user-ideal reference motion and method thereof
KR20210117385A (en) Table tennis target training system and operation method using artificial intelligence
KR102033565B1 (en) Screen baseball system and method for providing baseball simulation
US20240252917A1 (en) Player monitoring systems and methods for efficiently processing sensor data
WO2023106201A1 (en) Play analysis device, play analysis method, and computer-readable storage medium
US12115415B1 (en) Methods and systems for facilitating playing a game based on RFID

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20171208

WD01 Invention patent application deemed withdrawn after publication