CN104346973A - Four-dimensional smart classroom for teaching - Google Patents

Four-dimensional smart classroom for teaching Download PDF

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Publication number
CN104346973A
CN104346973A CN201410376739.2A CN201410376739A CN104346973A CN 104346973 A CN104346973 A CN 104346973A CN 201410376739 A CN201410376739 A CN 201410376739A CN 104346973 A CN104346973 A CN 104346973A
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China
Prior art keywords
cleaning
motor
cleaning rod
teaching
signal lamp
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Application number
CN201410376739.2A
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Chinese (zh)
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CN104346973B (en
Inventor
李玉州
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Southwest University
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Southwest University
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00Electrically-operated educational appliances
    • G09B5/06Electrically-operated educational appliances with both visual and audible presentation of the material to be studied

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  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

The invention discloses a four-dimensional smart classroom for teaching. The four-dimensional smart classroom comprises a sound, a head-mounted display, a somatosensory position capturing device, a mobile controller and a round signal lamp, wherein the head-mounted display is mounted on the head and is used for playing images in virtual scenes; the somatosensory position capturing device is used for capturing upper limb actions of a person, including the positions of upper arms, lower arms and hands, and realizing the recognition of gesture actions, so interactive operation on the virtual scenes is realized; the mobile controller is used for capturing the moving direction, moving speed and moving distance of human feet, so the control over a mobile control mode of a user in the virtual scenes is realized; the round signal lamp is used for distinguishing users who currently perform interactive operation with the virtual scenes by displaying different colors. According to the four-dimensional smart classroom disclosed by the invention, started from a view of teaching innovation, a mounted display technology, an intelligent somatosensory technology and a three-dimensional emulation technology are introduced; the innovation is emphasized on teaching contents, and students are allowed to experience the teaching contents in recreation, so that the effect of teaching through lively activities is achieved, the intelligent learning is really realized, schools are helped to improve the teaching mode, and the teaching quality is improved.

Description

A kind of teaching 4D wisdom classroom
Technical field
The present invention relates to a kind of teaching equipment.
Background technology
In school, classroom instruction link is that student accepts the most important ring of Systems Education, allows student use both hands and feet and participates in teaching, gives full play to various sense organ and goes experience sense to be subject to the content that will learn, and is a kind of brand-new interactive teaching means.This brand-new form of teaching is the quality grasping teaching link, improves the key of teaching level.In existing teaching process, traditional link of registering, query confirm link, put question to interactive link, the little test link in classroom exists problems.Register in process, use paper to register, efficiency is low and there is allograph phenomenon, and result is not easy to teacher's statistics; Put question in the link of the little test of interactive link and classroom, after teacher provides simple selection, student raises one's hand or oral answer, statistics accurately can not be obtained, teacher can only judge whether to impart knowledge to students according to general condition, there is no data accurately, more can not consider data mining and the data statistics work in later stage.Traditional form of teaching has been not suitable with the needs of modernizing teaching.
In order to solve the problem, take special fund in central colleges and universities basic service and subsidizing, under being numbered the project support of XDJK2014C177, applicant proposed a kind of new technological means.
Summary of the invention
The object of this invention is to provide a kind of teaching 4D wisdom classroom.
To achieve these goals, by the following technical solutions: a kind of teaching 4D wisdom classroom, is characterized in that: described classroom comprises:
Sound equipment: for playing sound;
Head mounted display: wear in head, for playing the image in virtual scene;
Body sense position capture device; Catch the upper limks movements of people, comprise the position of large arm, forearm and hand, realize gesture motion identification, thus interactive operation is carried out to virtual scene;
Mobile controller: catch that the step of people moves, direction, translational speed and displacement, realize the control of the mobile control mode to personage in virtual scene;
Circular signal lamp: differentiate currently carry out the user of interactive operation with virtual scene by showing different colors;
After user puts on helmet-mounted display, virtual scene is thrown in on the display in helmet-mounted display by 4D classroom central controller, and user sees virtual scene; While broadcasting virtual scene, sound equipment plays corresponding audio frequency; During user movement, body sense cameras capture upper limks movements, realizes gesture identification, carries out interaction with virtual scene; When the user is mobile, mobile controller realizes the control to personage's move mode in virtual scene; When certain user and virtual scene carry out mutual, circular signal lamp lights corresponding color, for identifying user state.
Described wisdom classroom also comprises the cleaning device cleaned circular signal lamp, described cleaning device comprises two cleaning rods, wherein the center of the first cleaning rod connects with the rotation axis of the first motor, the center of the second cleaning rod connects with the rotation axis of the second motor, the support of the first motor and the second motor is separately fixed on first rotating arm end and the second pivot arm ends, the other end of first rotating arm and the second pivot arm is fixed on the first rotating cylinder and the second rotating cylinder, first rotating cylinder and the second rotating cylinder be enclosed within be fixed on circular signal lamp circle centre position central tube on, the dorsal edge place of signal lamp has the flange of protrusion, first rotating arm and the second pivot arm are also provided with the one one motor and the two or two motor, the rotation axis of the one one motor and the two or two motor is separately installed with two cylinders, two cylinders are all tight with the inner side edge wall pressure of flange, when the rotation axis of the one one motor and the two or two motor rotates, two cylinder also corresponding rotations, and then drive first rotating arm and the second pivot arm to rotate, thus the first cleaning rod and the second cleaning rod are moved around the outer rim of circular signal lamp,
First cleaning rod and the second cleaning rod are wound with cleaning cloth, wherein one end of cleaning cloth is fixed on the first cleaning rod, cleaning cloth is wrapped on the first cleaning rod along counterclockwise direction, the other end of cleaning cloth is fixed on the second cleaning rod, is wound around the cleaning cloth of signal lamp radius length on the second cleaning rod according to clockwise direction simultaneously; Two position transducers are also fixed with respectively on the top of the first cleaning rod and the second cleaning rod.
The present invention is from the angle of teaching innovation, introduce Wearable display technique, intelligent body sense technology and three-dimensional simulation technique, innovation is had in mind from the content of courses, enable student's experience teaching content in travelling, reach the effect of teaching through lively activities, real has accomplished that wisdom chemistry is practised, intelligent management, out and out help school improves form of teaching, promotes teaching quantity.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the Facad structure schematic diagram that the cleaning device in the present embodiment 1 is arranged on circular signal lamp;
Fig. 3 is the structure schematic diagram that the cleaning device in the present embodiment 1 is arranged on circular signal lamp;
Fig. 4 is the sectional view of A-A in Fig. 3;
Fig. 5 is when the second pivot arm of cleaning device in embodiment 1 is positioned at directly over signal lamp, structural representation when first rotating arm is positioned at immediately below signal lamp;
Fig. 6 is the sectional view of C-C in Fig. 5;
Fig. 7 is the enlarged drawing of B in Fig. 6;
Fig. 8 is the structural representation of cleaning rod;
Fig. 9 is the sectional view of the cleaning cloth in embodiment 2 in the middle of cleaning device;
Figure 10 is the vertical view of Fig. 9.
In figure, 1 is the first cleaning rod, and 2 is the second cleaning rod, cylinder centered by 3,3-1 is the first rotating cylinder, and 3-2 is the second rotating cylinder, 4 is first rotating arm, and 5 is the second pivot arm, and 6 is the first cylinder, 7 is second tin roller, and 8 is position transducer, and 9 is the first motor, 10 is glass shell, and 11 is flange, and 12 is the one one motor, 13 is signal lamp, and 14 is cleaning cloth.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1, a kind of teaching 4D wisdom classroom, described 4D classroom comprises:
Sound equipment: for playing sound;
Head mounted display: wear in head, for playing the image in virtual scene;
Body sense position capture device; Catch the upper limks movements of people, comprise the position of large arm, forearm and hand, realize gesture motion identification, thus interactive operation is carried out to virtual scene;
Mobile controller: catch that the step of people moves, direction, translational speed and displacement, realize the control of the mobile control mode to user in virtual scene;
Circular signal lamp: differentiate currently carry out the user of interactive operation with virtual scene by showing different colors;
After user puts on helmet-mounted display, virtual scene is thrown in on the display in helmet-mounted display by 4D classroom central controller, and user sees virtual scene; While broadcasting virtual scene, sound equipment plays corresponding audio frequency; During user movement, body sense cameras capture upper limks movements, realizes gesture identification, carries out interaction with virtual scene; When the user is mobile, mobile controller realizes the control to user's move mode; When certain user and virtual scene carry out mutual, circular signal lamp lights corresponding color, for identifying user state.
Head mounted display is existing technology, adopts 110 ° of full visual field binary channels stereo display schemes.And realize head by 9 degree of freedom sensors of three-axis gyroscope, triaxial accelerometer and three axle magnetic compasses and catch dynamically, realize control mode real-time pictures camera being similar to human eye.
Head mounted display is by one group optical system(mainly precision optical lenses) amplifies the image on ultra micro display screen, by image projection on retina, and then is presented in large-screen image in beholder's eye, and image point says to be exactly take magnifier to see that object presents the dummy object image of amplification.Sight tracking function strengthens the interactive of display greatly, and the passive imaging system before comparing is a quantum jump.Wearer only needs " winking ", without the need to starting, just can send instruction.Such as, expression of eyeing right page turning, automatically can lower file along with sight moves down computing machine.
The step that mobile controller can catch people moves, direction, translational speed, displacement and trunk form, realize the control of the mobile control mode to user in virtual scene.
Body sense position capture device can catch the upper limks movements of people by camera or infrared sensor, comprise the position of large arm, forearm and hand, realize gesture motion identification, thus carry out interactive operation to virtual scene.
Be 201110458610.2 at application number, the applying date is on Dec 31st, 2011, in the application documents that name is called " a kind of virtual reality system ", specifically describes the action how realized catching in real world, and is modeled as the motion in virtual reality.
Simply, can on the trunk of people sensor installation, when trunk moves, sensor detects motion, now can obtain speed and the information such as direction of trunk motion, this information be passed to mobile controller, carry out corresponding action control to virtual portrait.
When human body has upper limks movements, by the sensor signal passed back, can obtain the action situation of upper limbs, such as arm level, arm is vertical, and hand brandishes this type of action from left to right, so just can be responded corresponding action by the program preset.
As shown in Fig. 2 to Fig. 8, signal lamp cleaning device, described cleaning device comprises two cleaning rods, wherein the center of the first cleaning rod 1 connects with the rotation axis of the first motor 9, the center of the second cleaning rod 2 connects with the rotation axis of the second motor, the support of the first motor and the second motor is separately fixed on first rotating arm 4 end and the second pivot arm 5 end, the other end of first rotating arm and the second pivot arm is fixed on the first rotating cylinder 3-1 and the second rotating cylinder 3-2, first rotating cylinder and the second rotating cylinder be enclosed within be fixed on circular signal lamp 13 circle centre position central tube 3 on, the dorsal edge place of signal lamp has the flange 11 of protrusion, first rotating arm and the second pivot arm are also respectively arranged with the one one motor the 12 and the 22 motor, the rotation axis of the one one motor and the two or two motor is separately installed with the first cylinder 6 and second tin roller 7, two cylinders are all tight with the inner side edge wall pressure of flange, when the rotation axis of the one one motor and the two or two motor rotates, two cylinder also corresponding rotations, and then drive first rotating arm and the second pivot arm to rotate, thus the first cleaning rod and the second cleaning rod move around the outer rim of circular signal lamp,
First cleaning rod 1 and the second cleaning rod 2 are wound with cleaning cloth 14, wherein one end of cleaning cloth is fixed on the first cleaning rod, cleaning cloth is wrapped on the first cleaning rod along counterclockwise direction, the other end of cleaning cloth is fixed on the second cleaning rod, is wound around the cleaning cloth of signal lamp radius length on the second cleaning rod according to clockwise direction simultaneously; Two position transducers 8 are also fixed with respectively on the top of the first cleaning rod and the second cleaning rod;
First cleaning rod is wound around the initiating terminal of cleaning cloth, the second cleaning rod is wound around the clearing end of cleaning cloth.Under original state, together with the first cleaning rod abuts against with the second cleaning rod, the second cleaning rod is wound with the clean cleaning cloth of a signal lamp radius length.When needs carry out clean to signal lamp, one one motor and the two or two motor run, make two pivot arms relatively away from motion, first motor and the second motor run simultaneously, first cleaning rod is rotated counterclockwise and turns clockwise with the second cleaning rod, the cleaning cloth be connected on the first cleaning rod and the second cleaning rod extends, along with the motion of two pivot arms, the watch crystal housing 10 that cleaning cloth is positioned at signal lamp slides, the surface of lamp is cleaned, when two pivot arms are straight line, now the distance that senses of two position transducers is maximum, pivot arm continues to rotate, the distance that two position transducers sense starts to reduce, now, first cleaning rod and the second cleaning rod all change sense of rotation, the cleaning cloth being positioned at lamp surface shortens, can ensure that the cleaning cloth being positioned at lamp surface is in tight state like this, to obtain good cleaning effect.After clean, two cleaning rods abut against again together, the distance that now position transducer senses is again minimum, two cleaning rods are all rotated counterclockwise, dirty cleaning cloth is rolled onto on the second cleaning cloth, and the cleaning cloth of a multireel lamp radius length again, waits for next cleaning on the second cleaning rod.
Its middle controller controls opening and closing and the rotating of all motors, the signal of receiving position sensor simultaneously, situation according to signal carries out Electric Machine Control according to flow process above, and the signal transmission between controller and motor and position transducer can adopt wired or wireless mode.
Embodiment 2: as different from Example 1, the shape of cleaning cloth 14 is different, cloth in embodiment 1 is common rectangle cloth, as shown in Figure 9 and Figure 10, the cross section of the cleaning cloth in embodiment 2 is circular arc, cleaning cloth is formed by connecting by plural arc cloth, the mating shapes of the shape of arc cloth and the arc glass on signal lamp surface.Better can carry out wiping to signal lamp like this in the process of wiping, just directly be wrapped on cleaning rod according to shown in Fig. 8 when winding.In addition, when being wound around cleaning cloth on the first cleaning rod and the second cleaning rod, can be served the below of cloth toward cleaning rod a little, what the clean cloth of arc can be made like this to contact with the cambered surface of signal lamp is more tight, to obtain better cleaning effect.
Embodiment 3: as different from Example 1, the outer rim of two cylinders has gear, and the inner side of the flange at the dorsal edge place of signal lamp is around there being the tooth bar be meshed with gear.Like this when two drum rotatings, can the rotation of better driven rotary arm, occur with the situation of anti-slip.
Embodiment 4: as different from Example 2, the outer rim of two cylinders has gear, and the inner side of the flange at the dorsal edge place of signal lamp is around there being the tooth bar be meshed with gear.Like this when two drum rotatings, can the rotation of better driven rotary arm, occur with the situation of anti-slip.

Claims (2)

1. a teaching 4D wisdom classroom, is characterized in that: described wisdom classroom comprises:
Sound equipment: for playing sound;
Head mounted display: wear in head, for playing the image in virtual scene;
Body sense position capture device; Catch the upper limks movements of people, comprise the position of large arm, forearm and hand, realize gesture motion identification, thus interactive operation is carried out to virtual scene;
Mobile controller: catch that the step of people moves, direction, translational speed and displacement, realize the control of the mobile control mode to personage in virtual scene;
Circular signal lamp: differentiate currently carry out the user of interactive operation with virtual scene by showing different colors.
2. teaching 4D wisdom classroom as claimed in claim 1, it is characterized in that: described wisdom classroom also comprises the cleaning device cleaned circular signal lamp, described cleaning device comprises two cleaning rods, wherein the center of the first cleaning rod connects with the rotation axis of the first motor, the center of the second cleaning rod connects with the rotation axis of the second motor, the support of the first motor and the second motor is separately fixed on first rotating arm end and the second pivot arm ends, the other end of first rotating arm and the second pivot arm is fixed on the first rotating cylinder and the second rotating cylinder, first rotating cylinder and the second rotating cylinder be enclosed within be fixed on circular signal lamp circle centre position central tube on, the dorsal edge place of signal lamp has the flange of protrusion, first rotating arm and the second pivot arm are also provided with the one one motor and the two or two motor, the rotation axis of the one one motor and the two or two motor is separately installed with two cylinders, two cylinders are all tight with the inner side edge wall pressure of flange, when the rotation axis of the one one motor and the two or two motor rotates, two cylinder also corresponding rotations, and then drive first rotating arm and the second pivot arm to rotate, thus the first cleaning rod and the second cleaning rod are moved around the outer rim of circular signal lamp,
First cleaning rod and the second cleaning rod are wound with cleaning cloth, wherein one end of cleaning cloth is fixed on the first cleaning rod, cleaning cloth is wrapped on the first cleaning rod along counterclockwise direction, the other end of cleaning cloth is fixed on the second cleaning rod, is wound around the cleaning cloth of signal lamp radius length on the second cleaning rod according to clockwise direction simultaneously; Two position transducers are also fixed with respectively on the top of the first cleaning rod and the second cleaning rod.
CN201410376739.2A 2014-08-01 2014-08-01 A kind of teaching 4D wisdom classroom Expired - Fee Related CN104346973B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105666497A (en) * 2016-04-21 2016-06-15 奇弩(北京)科技有限公司 Universal mechanical arm with gesture learning function
CN105869449A (en) * 2014-09-19 2016-08-17 西南大学 Four-dimensional classroom

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI610278B (en) * 2016-09-19 2018-01-01 智崴資訊科技股份有限公司 An interactive teaching and training system for simulating night-vision goggles and method thereof

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WO2010107577A2 (en) * 2009-03-20 2010-09-23 Microsoft Corporation Virtual object manipulation
CN201853377U (en) * 2010-06-01 2011-06-01 丁莉雯 Classroom device for visual interactive teaching system
CN102822869A (en) * 2010-01-22 2012-12-12 索尼电脑娱乐美国公司 Capturing views and movements of actors performing within generated scenes
CN103164995A (en) * 2013-04-03 2013-06-19 湖南第一师范学院 Children somatic sense interactive learning system and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101763762A (en) * 2008-12-22 2010-06-30 韩国电子通信研究院 Educational system and method using virtual reality
WO2010107577A2 (en) * 2009-03-20 2010-09-23 Microsoft Corporation Virtual object manipulation
CN102822869A (en) * 2010-01-22 2012-12-12 索尼电脑娱乐美国公司 Capturing views and movements of actors performing within generated scenes
CN201853377U (en) * 2010-06-01 2011-06-01 丁莉雯 Classroom device for visual interactive teaching system
CN103164995A (en) * 2013-04-03 2013-06-19 湖南第一师范学院 Children somatic sense interactive learning system and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105869449A (en) * 2014-09-19 2016-08-17 西南大学 Four-dimensional classroom
CN105869449B (en) * 2014-09-19 2020-06-26 西南大学 4D classroom
CN105666497A (en) * 2016-04-21 2016-06-15 奇弩(北京)科技有限公司 Universal mechanical arm with gesture learning function

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Inventor after: Li Yuzhou

Inventor after: Wu Weihua

Inventor after: Hu Hua

Inventor after: Lu Zhubing

Inventor after: Wang Jian

Inventor before: Li Yuzhou

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Free format text: CORRECT: INVENTOR; FROM: LI YUZHOU TO: LI YUZHOU WU WEIHUA HU HUA LU ZHUBING WANG JIAN

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Granted publication date: 20150923

Termination date: 20180801

CF01 Termination of patent right due to non-payment of annual fee