CN105654803B - A kind of wear-type online testing machine - Google Patents
A kind of wear-type online testing machine Download PDFInfo
- Publication number
- CN105654803B CN105654803B CN201610088191.0A CN201610088191A CN105654803B CN 105654803 B CN105654803 B CN 105654803B CN 201610088191 A CN201610088191 A CN 201610088191A CN 105654803 B CN105654803 B CN 105654803B
- Authority
- CN
- China
- Prior art keywords
- examiner
- wear
- examining
- testing machine
- mirror support
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
- G09B7/02—Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Educational Administration (AREA)
- Life Sciences & Earth Sciences (AREA)
- Business, Economics & Management (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Bioinformatics & Computational Biology (AREA)
- Educational Technology (AREA)
- Data Mining & Analysis (AREA)
- Evolutionary Biology (AREA)
- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
A kind of wear-type online testing machine belongs to education for computer and network technique field.The device for examining includes shell, wears frame, peephole, observes mirror support, light sensor, distance-sensor, control panel, iris recognition and eye monitoring camera group, earphone enclosure, plays loudspeaker and microphone；The device for examining is equipped with the interface being attached with the ends PC；Observation mirror support is fixed with shell；Peephole has two panels altogether, is mounted on observation mirror support；Light sensor is mounted on the lower part of observation mirror support, and range sensor is mounted on observation mirror support, and control panel is fixed with shell；Iris recognition and eye monitoring camera group；Iris recognition and eye monitoring camera group are used to shoot the iris of examiner；Have inside earphone enclosure and plays loudspeaker and microphone.The present apparatus can realize closed-book exam on line, and examiner's authentication may be implemented, and can prevent from practising fraud by taking in examination process, can prevent examiner from practising fraud by listening.
Description
Technical field
The present invention relates to a kind of wear-type online testing machines, belong to education for computer and network technique field.
Background technology
The rise of online education in recent years allows more people may be implemented to obtain corresponding study by e-learning course
Experience.
Existing online education pattern is merely able to meet the study desire for needing to learn people, obtains knowledge, and cannot be as line
Lower mode of learning is the same, and educational background and diploma are issued by checking learning outcome.
Various online education companies prove the desire of the acquisition certificate to meet learner, but such card by issuing study
Book is only memorable, does not have the degree for proving personal learning experiences and grasping knowledge.Online education can only know someone
It is learning, but is not knowing that who is being learned；It is also easy to be read a book, check mobile phone, open webpage etc. in the process of online testing
Operation makes the examination for needing closed-book to complete be difficult to by completing online.
Existing online testing scheme is to solve subproblem by furnishing the scheme of camera, but still have camera
The dead angle not observed, or realize cheating by playing audio.And the maximum obstacle of mode of camera monitoring comes from still
Invigilator personnel so are needed, are invigilated by way of remote watching video.Because the equipment that can watch video simultaneously is limited,
Each invigilator personnel are limited by the examinee remotely monitored.The characteristics of online testing, can be organized every time far above under line
The examinee of quantity takes an exam, therefore the personnel amount invigilated also greatly increases so that the cost of examination also greatly increases, and makes mutually
The low cost of networking education, conveniently advantage disappears totally.
To solve the above problems, the mode of more online education selections is the mode that do not take an examination of only issuing licence, thus
Keep the certificate effect that online education obtains low, do not approved by society, advertising unit, which is also difficult to obtain the student, passes through internet
Achievement after study is good and bad.Other settling mode is by organizing to take an examination under line, because the student of online education is from interconnection
Net, geographical location come from all parts of the country, or even overseas, organize examination under line that will bring a large amount of inconvenience so that be difficult into
Row.
Invention content
It is an object of the invention to propose a kind of wear-type online testing machine, by the device for examining to realizing online education
In be difficult to the examination practised fraud.
A kind of wear-type online testing machine, it is characterised in that：
The device for examining includes shell 1, wears frame 2, peephole 8, observation mirror support 9, light sensor 10, distance-sensor
11, control panel 13, iris recognition and eye monitoring camera group 15, earphone enclosure 16, broadcasting loudspeaker 17, microphone 18；The examination
Machine is equipped with the interface being attached with the ends PC；
Mirror support 9 is observed to fix with shell 1；Peephole 8 has two panels altogether, is mounted on observation mirror support 9；Light sensor
10 are mounted on the lower part of observation mirror support 9,
It is mounted on observation mirror support 9 for perceiving range sensor 11 of the observation mirror support 9 at a distance from user's face
On, control panel 13 is fixed with shell；Iris recognition and eye monitoring camera group 15；
Iris recognition and eye monitoring camera group 15 are used to shoot the iris of examiner；
Have inside earphone enclosure 16 and plays loudspeaker 17 and microphone 18.
Further, wear frame be divided into, left and right three supporting racks, be separately fixed at upper, the left and right side of shell.
Further, face fitting sponge is fixed at the back edge of shell.
Further, which is equipped with the switch that control device for examining starts and closes, which is equipped with works as showing
The indicator light of the operating status of preceding product.
Further, which is equipped with operation and control device.
Further, three-axis gyroscope and controller group are housed on control panel.
Using a kind of wear-type online testing machine, it is characterised in that：
The ends PC connect network, and examination paper image is passed to online testing machine；
When user puts on this product, the position of two panels peephole is respectively aligned to eyes, and user is inside peephole
The examination paper of wear-type online testing machine are sent to the ends PC；Iris recognition and eye monitoring camera group are for shooting examiner's
Iris completes the authentication of examiner；Simultaneously for monitoring whether examiner has worn cheating equipment；
10 sensing light intensity of light sensor；The light that the controller group of online testing machine is transmitted by light sensor
Strength signal is to determine whether be cheating；Light sensor is transmitted to the light intensity signal in controller group and turns by DA
Ranging from [0,255] after changing；When the light intensity obtained from sensor is considered as cheating, online testing machine except [50,80]
It reminds examiner to need to wear device for examining, is otherwise handled according to cheating；
Range sensor perception observation mirror support is at a distance from user's face, to judge whether user has put on
This product；When range sensor detects that the facial dimension observation mirror support of examiner is more than 25mm, illustrate examiner
Start to take or taken device for examining completely, reminds examiner to need to wear device for examining at this time, otherwise handled according to cheating；
Microphone release 18-20kHz high-frequency sound signals per minute, regard if earphone does not receive high-frequency sound signal
It fails for device for examining.
Further, when three-axis gyroscope pitch angle or angle of heel are more than 40 degree, and it is super that light signal occurs simultaneously at this time
Go out range or distance signal goes beyond the scope, it is determined that examiner has taken device for examining, and examination is invalid.
Operation and control device 19 is handheld device, and answer selection and book are carried out using operation and control device 19 in examination process
Write operation.
Compared with prior art, the present invention has the advantages that.
1, the present apparatus can realize closed-book exam on line.Topic is sent in device for examining by PC when examination, the person of examining passes through
Device for examining watches topic, and examination operation is completed in device for examining.Outside can not be watched in examination process, form closed-book exam.
2, examiner's authentication may be implemented in the present apparatus.There is the present apparatus iris recognition camera, examiner to be examined in wearing
Iris recognition verification will be completed when test-run a machine, to judge the identity of examiner, avoid impersonating phenomenon.Monitor eye simultaneously
Portion, checks whether examiner has worn the equipment such as class intelligent glasses.
3, the present apparatus can prevent from practising fraud by taking in examination process.The present apparatus has light sensor, distance
Inductor and three-axis gyroscope.By the extraneous light of entrance device for examining, device for examining at a distance from examiner's face, device for examining sheet
Body rocks degree and practises fraud to judge whether examiner has taken this device for examining.
4, the present apparatus can prevent examiner from practising fraud by listening.The present apparatus carries ear's microphone, can detect
The sound of ear, has cheating possible if sound is excessive, records when sound is excessive and is handled as follow-up cheating judgement.It is anti-
Only examiner's violence damage microphone, the 20kHz high-frequency sound signals that microphone release ordinary people per minute can not hear, if
Earphone does not receive high-frequency sound signal and is then considered as device for examining failure, and examination is invalid.
Description of the drawings
Fig. 1 is wear-type online testing machine isometric shape assumption diagram.
Fig. 2 is wear-type online testing machine top shape assumption diagram.
Fig. 3 is shape assumption diagram on the left of wear-type online testing machine.
Fig. 4 is wear-type online testing machine face sectional structure chart.
Fig. 5 is wear-type online testing pusher side face sectional structure chart.
Fig. 6 is the Headphone structure figure of wear-type online testing machine.
Fig. 7 is the operation and control device structure chart of wear-type online testing machine.
Fig. 8 is the control system figure of wear-type online testing machine.
In figure：1, shell 2, wear frame 3, face fitting sponge 4, switch 5, indicator light 6, USB interface 7, HDMI interface 8,
Peephole 9, observation mirror support 10, light sensor 11, distance-sensor 12, three-axis gyroscope and controller group 13, control panel
14, display screen 15, iris recognition and eye monitoring camera group 16, earphone enclosure 17, broadcasting loudspeaker 18, microphone 19, operation control
Device processed.
Specific implementation mode
To achieve the above object, the technical solution adopted by the present invention is a kind of online education device for examining, which includes
Shell 1 wears frame 2, face fitting sponge 3, switch 4, indicator light 5, USB interface 6, HDMI interface 7, peephole 8, peephole branch
Frame 9, light sensor 10, distance-sensor 11, three-axis gyroscope and controller group 12, control panel 13, display screen 14, iris are known
Other and eye monitoring camera group 15, plays loudspeaker 17, microphone 18, operation and control device 19 at earphone enclosure 16.
It wears frame 2 to divide for upper, left and right three supporting racks, is separately fixed at upper, the left and right side of shell 1, using this
When product by wear frame 2 be sleeved on user head realize product fix, user head move when, this product because
It is fixed on above-head and moves.
Face fitting sponge 3 is fixed at the back edge of shell 1, when user puts on this product by wearing frame 2,
The face of face fitting sponge 3 and user are close to leaving no gaps, prevent extraneous light from entering.
Switch 4 is mounted on the right side front of shell 1, presses startup and closing that switch 4 carries out this product.4 surface of switch
With indicator light 5, the operating status for showing current production.
USB interface 6, HDMI interface 7 are mounted on the left side front end of shell 1.USB interface 6, HDMI interface 7 are general-purpose interface,
For being attached with the ends PC.The ends PC connect network, and examination paper image is passed to online testing machine.
It observes mirror support 9 and is mounted on 1 rear portion of shell, 3 front end of face fitting sponge, fixed with shell 1.Peephole 8 has altogether
Two panels is mounted on observation mirror support 9.When user puts on this product, the position of two panels peephole 8 is just respectively aligned to double
Eye, user can see that the ends PC are sent to the examination paper of wear-type online testing machine inside peephole 8.
Light sensor 10 is mounted on the lower part of observation mirror support 9, can be with sensing light intensity.When user wears this production
Product be bondeds imprecision or examination process with face when taking this product in the middle, light sensor 10 by sensing light intensity,
The light intensity signal that the controller group of line device for examining is transmitted by light sensor is to determine whether be cheating.Light passes
Sensor is transmitted to the light intensity signal in controller group and passes through DA transformed ranging from [0,255].It is pre- in controller group
If light intensity is [50,80], when the light intensity obtained from sensor is more than preset value, online testing machine reminds examiner
It needs to wear device for examining, otherwise be handled according to cheating.
Range sensor 11 is mounted on the middle part of observation mirror support 9, can perceive observation mirror support 9 and user's face
Distance, to judge whether user has put on this product.When range sensor detects the facial dimension observation of examiner
When mirror support is more than 25mm, illustrate that examiner has begun to take or taken device for examining completely, reminds examiner to need at this time
Device for examining is worn, is otherwise handled according to cheating.
Three-axis gyroscope in three-axis gyroscope and controller group 12 is as auxiliary examination methods.When examiner starts to take
When device for examining, the three axis instrument that falls off will detect strong jolt signal, if pitch angle or angle of heel are more than 40 degree, and at this time
Occur that light signal goes beyond the scope or distance signal goes beyond the scope simultaneously, then can determine that examiner has taken device for examining, this
Secondary examination is invalid.
Control panel 13 is mounted on 1 depths of shell, is fixed with shell.Three-axis gyroscope and controller group are housed on control panel
12, display screen 14, iris recognition and eye monitoring camera group 15.
Display screen 14 is divided into left screen and right screen for showing examination paper content.When putting on device for examining, left eye passes through peephole
The 8 left screens of observation, right eye observes right screen by peephole 8, to see examination paper content.
Iris recognition and eye monitoring camera group 15 are used to shoot the iris of examiner, and the identity for completing examiner is recognized
Card.Simultaneously for monitoring whether examiner has worn the cheating equipment such as class intelligent glasses.
Have inside earphone enclosure 16 and plays loudspeaker 17, microphone 18.Play notice, the hearing when loudspeaker 17 are taken an examination for playing
Equal sound, microphone 18 prevent from practising fraud in such a way that ear is listened for monitoring external sound.
Operation and control device 19 is handheld device, and answer selection and book are carried out using operation and control device 19 in examination process
Write operation.
Before examination, need to register examiner's identity.Examiner carries out hand-held identity card and takes pictures, and examiner puts on
Iris camera is sampled iris while device for examining.By the above process, examiner and ID Card Image data are formed,
The iris data of examiner, the distinguishing rule according to this data as examiner's identity.The examiner of identity registration has been completed,
On-line Examining system will be prompted to authentication and finish, and can take an examination at any time.
Online testing machine is connected PC after the ends PC connect and can take online testing machine and take an exam by examiner.
When examiner, which finishes some course, needs examination, Online test will announce exam number, and examiner passes through examination
Number obtains the examination introduction, test time, and points for attention etc. set the exam first 10 minutes, and Online test prompt examiner puts on
Line device for examining.
When examiner puts on online testing machine, it can be seen that examination is introduced in peephole, examination content, present tense
Between, distance sets the exam the time, the information such as teacher.Meanwhile examiner can select to listen to music to loosen, select simulation topic warm-up etc.
Mode.
After examiner puts on online testing machine, iris camera starts, and verifies the identity of examiner and whether registers identity
It is consistent, if be not inconsistent, examiner and registration people's status incongruence is prompted in peephole, it is invalid this time to take an examination.It took an examination entirely
Cheng Dangzhong, light sensor, range sensor and three-axis gyroscope work always, check whether examiner takes device for examining, such as
The a large amount of light leakages of fruit may think that examiner is seeing outside device for examining, form cheating, and will be prompted to examiner in peephole wears immediately
Tight device for examining, otherwise examination is invalid.After earphone Mike receives audible voice, it will determine that whether the sound is and cheats at one's exam
Correlation is passed to and is manually identified if related to cheating at one's exam, if being accredited as cheating, it is invalid this time to take an examination.
Topic passes to PC by internet in examination process, and topic is transmitted to device for examining screen by PC by HDMI
On, examiner carries out answer by peephole viewing screen.Examiner carries out the operations such as answer and page turning by operation and control device.
Examiner by operation and control device hand in an examination paper or the test time cut-off after, examination terminates, and examiner can take examination
Machine.After PC is transmitted to test tissue side's server by network, examination process terminates for examination paper answer.
Claims (7)
1. a kind of wear-type online testing machine, it is characterised in that：
The device for examining includes shell, wears frame, peephole, observation mirror support, light sensor, distance-sensor, control panel, rainbow
Film identifies and eye monitoring camera group, earphone enclosure, broadcasting loudspeaker and microphone；The device for examining is equipped with and is attached with the ends PC
Interface；
Observation mirror support is fixed with shell；Peephole has two panels altogether, is mounted on observation mirror support；Light sensor, which is mounted on, to be seen
The lower part of mirror support is examined,
It is mounted on observation mirror support, control panel for perceiving range sensor of the observation mirror support at a distance from user's face
It is fixed with shell；Iris recognition and eye monitoring camera group；
Iris recognition and eye monitoring camera group are used to shoot the iris of examiner；
Have inside earphone enclosure and plays loudspeaker and microphone；
When user puts on this product, the position of two panels peephole is respectively aligned to eyes, and user sees PC inside peephole
End is sent to the examination paper of wear-type online testing machine；Iris recognition and eye monitoring camera group are used to shoot the rainbow of examiner
Film completes the authentication of examiner；Simultaneously for monitoring whether examiner has worn cheating equipment；
Light sensor sensing light intensity；The controller group of online testing machine is believed by the light intensity that light sensor transmits
Number to determine whether being cheating；It is transformed by DA that light sensor is transmitted to the light intensity signal in controller group
Ranging from [0,255]；When the light intensity obtained from sensor is considered as cheating except [50,80], the prompting of online testing machine is examined
Examination person needs to wear device for examining, is otherwise handled according to cheating；
Range sensor perception observation mirror support is at a distance from user's face, to judge whether user has put on this production
Product；When range sensor detects that the facial dimension observation mirror support of examiner is more than 25mm, illustrate that examiner has begun
It takes or has taken device for examining completely, remind examiner to need to wear device for examining at this time, otherwise handled according to cheating；
Microphone release 18-20kHz high-frequency sound signals per minute, are considered as if earphone does not receive high-frequency sound signal and examine
Test-run a machine fails.
2. a kind of wear-type online testing machine according to claim 1, it is characterised in that：
Wear frame be divided into, left and right three supporting racks, be separately fixed at upper, the left and right side of shell.
3. a kind of wear-type online testing machine according to claim 1, it is characterised in that：
Face fitting sponge is fixed at the back edge of shell.
4. a kind of wear-type online testing machine according to claim 1, it is characterised in that：
The device for examining is equipped with the switch that control device for examining starts and closes, which is equipped with the operation for showing current production
The indicator light of state.
5. a kind of wear-type online testing machine according to claim 1, it is characterised in that：
The device for examining is equipped with operation and control device.
6. a kind of wear-type online testing machine according to claim 1, it is characterised in that：
Three-axis gyroscope and controller group are housed on control panel；
The ends PC connect network, and examination paper image is passed to online testing machine.
7. a kind of application method of wear-type online testing machine as claimed in claim 6, it is characterised in that：
When three-axis gyroscope pitch angle or angle of heel are more than 40 degree, and light signal occurs simultaneously at this time and goes beyond the scope or distance
Signal out of range, it is determined that examiner has taken device for examining, and examination is invalid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610088191.0A CN105654803B (en) | 2016-02-16 | 2016-02-16 | A kind of wear-type online testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610088191.0A CN105654803B (en) | 2016-02-16 | 2016-02-16 | A kind of wear-type online testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105654803A CN105654803A (en) | 2016-06-08 |
| CN105654803B true CN105654803B (en) | 2018-10-19 |
Family
ID=56489459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610088191.0A Active CN105654803B (en) | 2016-02-16 | 2016-02-16 | A kind of wear-type online testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105654803B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108897423A (en) * | 2018-06-27 | 2018-11-27 | 武汉华工智云科技有限公司 | A kind of VR glasses and its online testing anti-cheating method |
| CN108924487A (en) * | 2018-06-29 | 2018-11-30 | 合肥霞康电子商务有限公司 | A kind of remote monitoring system based on online teaching |
| CN111665939B (en) * | 2020-06-03 | 2021-05-07 | 广州市南方人力资源评价中心有限公司 | Test question processing method and device based on head-mounted display equipment and electronic equipment |
| CN111679863B (en) * | 2020-06-08 | 2021-05-07 | 马赫 | Test question display method, device, equipment and medium based on head-mounted display equipment |
| CN111950382A (en) * | 2020-07-21 | 2020-11-17 | 马赫 | Iris identification method based on VR glasses |
| CN111781656B (en) * | 2020-07-30 | 2023-09-15 | 广州市南方人力资源评价中心有限公司 | Wearing state detection method, device, equipment and medium of head-mounted display equipment |
| CN115273213B (en) * | 2022-09-28 | 2023-01-31 | 深圳市卓帆技术有限公司 | VR glasses and anti-cheating method for online examination of VR glasses |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6853739B2 (en) * | 2002-05-15 | 2005-02-08 | Bio Com, Llc | Identity verification system |
| CN103108163A (en) * | 2013-01-31 | 2013-05-15 | 桂林电子科技大学 | Network course learning and examination anti-cheating monitoring system and device |
| CN103208212A (en) * | 2013-03-26 | 2013-07-17 | 陈秀成 | Anti-cheating remote online examination method and system |
| CN204009265U (en) * | 2014-07-25 | 2014-12-10 | 金陵科技学院 | A kind of anti-cheating intelligent glasses |
| CN104809440B (en) * | 2015-04-29 | 2019-01-25 | 姜振宇 | It is a kind of exception sight park identification and based reminding method and device |
-
2016
- 2016-02-16 CN CN201610088191.0A patent/CN105654803B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105654803A (en) | 2016-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105654803B (en) | A kind of wear-type online testing machine | |
| TW570788B (en) | Apparatus for recovering eyesight utilizing stereoscopic image and method for displaying stereoscopic image | |
| CN106662746B (en) | Secure examination device, system and method | |
| Soto-Faraco et al. | Cross-modal dynamic capture: congruency effects in the perception of motion across sensory modalities. | |
| US20060252979A1 (en) | Biofeedback eyewear system | |
| US20200152075A1 (en) | Secure testing biometric techniques | |
| US10376439B2 (en) | Audio-feedback computerized system and method for operator-controlled eye exercise | |
| CN104382552B (en) | A kind of comprehensive visual function detection equipment | |
| CN106803017A (en) | A kind of craving degree appraisal procedure of amphetamines habituation personnel | |
| CN204009265U (en) | A kind of anti-cheating intelligent glasses | |
| CN106157722A (en) | The interview training method of a kind of virtual reality and equipment | |
| CN106618610B (en) | Wear terminal system facing to shy children social skill training | |
| CN104090385A (en) | Intelligent anti-cheating spectacles | |
| CN205158682U (en) | Instruct learning system in fact | |
| CN104575139A (en) | Scene interactive type intelligent multimedia terminal and application thereof | |
| CN207611506U (en) | A kind of wear-type online testing machine | |
| KR101967364B1 (en) | Hearing test system and hearing test method | |
| US10812689B2 (en) | Personal display headset for mitigating user access to disallowed resources | |
| JPH0951927A (en) | Binocular vision training device | |
| JP2009534958A (en) | Glasses type integrated stereoscopic video frequency multimedia device | |
| JP4585997B2 (en) | Surgical training device | |
| CN115089107A (en) | Detection and corresponding anti-cheating method completed through answering on intelligent mobile terminal | |
| WO2015148607A1 (en) | Secure testing system and method | |
| CN104352340A (en) | Comprehensive visual function training device and comprehensive visual function training method | |
| CN108198471A (en) | A kind of English Listening Comprehension is given financial aid to students system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220325 Address after: 518000 a1505, building 9, zone 2, Shenzhen Bay science and technology ecological park, No. 3609 Baishi Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong Patentee after: Shenzhen Huayi Medical Technology Co.,Ltd. Address before: 1008b, 10th floor, No. 12, Yabao Road, Chaowai, Chaoyang District, Beijing 100020 Patentee before: BEIJING LEAP EDUCATION TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |