CN114220160A - Anti-cheating remote examination equipment based on VR technology and use method thereof - Google Patents
Anti-cheating remote examination equipment based on VR technology and use method thereof Download PDFInfo
- Publication number
- CN114220160A CN114220160A CN202111359337.8A CN202111359337A CN114220160A CN 114220160 A CN114220160 A CN 114220160A CN 202111359337 A CN202111359337 A CN 202111359337A CN 114220160 A CN114220160 A CN 114220160A
- Authority
- CN
- China
- Prior art keywords
- module
- examination
- glasses
- equipment
- mobile phone
- 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
Links
- 238000005516 engineering process Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000011521 glass Substances 0.000 claims abstract description 43
- 210000005252 bulbus oculi Anatomy 0.000 claims abstract description 29
- 230000002452 interceptive effect Effects 0.000 claims abstract description 8
- 238000012795 verification Methods 0.000 claims abstract description 6
- 238000000605 extraction Methods 0.000 claims abstract description 5
- 238000013519 translation Methods 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 230000000007 visual effect Effects 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 230000003993 interaction Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 210000001508 eye Anatomy 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 241000209202 Bromus secalinus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000016776 visual perception Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0093—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for monitoring data relating to the user, e.g. head-tracking, eye-tracking
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/20—Education
- G06Q50/205—Education administration or guidance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Strategic Management (AREA)
- Tourism & Hospitality (AREA)
- Economics (AREA)
- General Health & Medical Sciences (AREA)
- Human Resources & Organizations (AREA)
- Marketing (AREA)
- Primary Health Care (AREA)
- General Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
Abstract
The invention discloses anti-cheating remote examination equipment based on a VR technology, which comprises a VR glasses module, an eyeball identification module, a Bluetooth connection module and a USB data interface module. A use method of anti-cheating remote examination equipment based on VR technology is characterized in that examinees wear VR glasses, feature extraction is carried out on iris image translation codes through an eyeball recognition module on a glasses outer frame, the features are compared with a database, and whether the examinees are the examinees or not is determined; after the verification is correct, sending an examination request to a cloud server; the examination state of the examinee is obtained by associating a switch at the bottom of the mobile phone card slot with the external display prompt screen; and receiving the examination content sent by the cloud server, displaying the examination content based on the virtual display scene, and answering through the external equipment. The interactive problem of self reference and examination answering in remote examination based on VR glasses can be effectively solved.
Description
Technical Field
The invention relates to the technical field of VR (virtual reality), in particular to anti-cheating remote examination equipment based on VR technology and a using method thereof.
Background
At present, an online examination system is basically based on a computer, and a computer and a camera are utilized to realize real-name verification and anti-cheating monitoring to a certain degree. However, because the whole environment of an examiner cannot be effectively monitored in an examination mode based on a computer, invigilation coverage is not complete in a real examination scene, and the problems that the examiner gives a cheater to take an examination instead after verification and cheats by using a visual dead angle monitored by the computer exist, so that the existing online examination system on the market cannot be applied to examinations with high invigilation requirements or is carried out in an examination form combining the online examination system and field environment manual monitoring, and the problem of remote examinations cannot be effectively solved by the online examination technology based on the computer.
At present, examination products based on VR glasses equipment exist, but the existing online examination technology based on VR glasses only utilizes the characteristic of VR, and the problem of shielding visual perception and imitating cheating in the examination is solved. However, the problem of how to detect the personal reference of the examiner still exists, and the core problem that visual focus interaction based on VR is not suitable for the frequently input and answer scenes of the examination is solved. The current VR glasses based online examination technology is not practical in an actual examination scenario.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides anti-cheating remote examination equipment based on a VR technology and a using method thereof.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that:
an anti-cheating remote examination device based on VR technology comprises a VR glasses module, an eyeball identification module, a Bluetooth connection module and a USB data interface module,
the VR glasses module comprises an external display prompt screen, a mobile phone card slot, VR lenses, a glasses outer frame and a sound absorption earphone; the external display prompt screen consists of a display screen and an outer frame and is fixedly connected with a mobile phone card slot through a screw, and a switch is arranged at the bottom of the mobile phone card slot and is associated with the external display prompt screen; the VR lens is embedded in a mobile phone card slot so as to realize VR effect and watch VR format content in the mobile phone; the glasses frame is an assembly frame of each component, so that the VR glasses module and the eyeball identification module are assembled together, and the VR browsing effect is realized; the sound-absorbing earphone is linked with the outer frame of the glasses through a linking belt;
the eyeball identification module is embedded in the equipment through an outer frame of the glasses and comprises a lens module, a processor board and a network interface, wherein the lens module comprises an optical filter, an optical lens and an image sensor, so that eyeball information of a user is captured; the processor circuit board is a CUP chip for processing images and codes, and eyeball information captured by the lens is converted into image characteristic codes;
the network interface is used for processing information between the eyeball identification module and the VR equipment, and image feature codes of the CUP processing result are transmitted to the cloud server from the VR equipment through the network interface;
the Bluetooth connecting module is also embedded in the equipment through the outer frame of the glasses, and the Bluetooth connecting module is mainly connected with the Bluetooth of the inserted mobile phone through a Bluetooth chip to realize network and data transmission between the VR glasses equipment and the mobile phone; transmitting the information of the equipment to a cloud server through a network of the mobile phone through a Bluetooth connection module;
the USB data interface module is used for connecting VR examination equipment and external equipment, the external equipment comprises a mouse, a keyboard and a handle, and interactive operation of the mouse and the keyboard in a VR visual interface is realized by utilizing an external mouse and an external keyboard through the USB data interface module.
Furthermore, the external display prompt screen is used for displaying working states, and the working states comprise 'preparation for examination' and 'no disturbance in examination'.
Further, when a mobile phone is not inserted into the switch at the bottom of the mobile phone card slot, the switch is in a closed state, and when the mobile phone is inserted into the switch, the switch is automatically turned on.
Further, the device information includes information related to the eyeball identification module and information transmitted by the data connection interface.
Further, the USB data interface module supports wired and wireless.
Furthermore, the data connection of VR equipment and cell-phone is realized through the connected mode of wifi connection or cell-phone data line to bluetooth linking module.
A use method of anti-cheating remote examination equipment based on VR technology comprises the following steps:
step 1: external devices such as a mouse, a keyboard, a handle and the like are connected through the USB data connector module, so that interactive operation can be conveniently performed in the VR visual interface in the follow-up process;
step 2: a Bluetooth connecting module on the VR equipment is connected with Bluetooth on the mobile phone and then is placed in a mobile phone card slot;
and step 3: the examinee wears VR glasses, and through an eyeball recognition module on the glasses frame, iris image translation codes are used for feature extraction, and the feature extraction is compared with a database to determine whether the examinee is the examinee himself;
and 4, step 4: after the verification is correct, sending an examination request to a cloud server;
and 5: the examination state of an examinee is obtained by associating a switch at the bottom of a mobile phone card slot with an external display prompt screen, so that the examinee can prepare an examination or do not disturb in the examination;
step 6: and receiving the examination content sent by the cloud server, displaying the examination content based on the virtual display scene, and answering through the external equipment.
The invention has the beneficial effects that: the invention adds the pupil identification and eyeball capture technology on the basis of the VR glasses, thereby realizing the identity verification of the examiner and the examination behavior tracking in the examination process by using the VR glasses; the technology supports the external equipment, the VR glasses can be connected with the external equipment such as a mouse, a keyboard and a handle through the USB interface, and therefore mouse and keyboard input interactive control in the VR technology is achieved through interaction of the mouse and the keyboard. The problem that the prior remote online examination system cannot effectively avoid compliance supervision such as examination taking in place and multi-person assisted cheating is effectively solved; the problem of examination and teaching scene that interactive interaction based on VR glasses is not suitable for being made an answer at present is solved.
Drawings
FIG. 1 is an exploded view of the apparatus of the present invention;
FIG. 2 is a schematic diagram of the apparatus of the present invention;
FIG. 3 is a schematic view of the apparatus of the present invention in use;
FIG. 4 is a block diagram of an eye recognition module according to the present invention;
FIG. 5 is a flowchart illustrating an eye recognition technique according to the present invention;
FIG. 6 is a diagram of an information interaction architecture of the present invention;
reference symbol comparison table:
1. appearance suggestion screen, 2, cell-phone draw-in groove, 3, cell-phone, 4, VR lens, 5, eyeball identification module, 6, glasses frame, 7, bluetooth linking module, 8, USB data connector module, 9, inhale the sound earphone.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals.
It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
In order to make the content of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
As shown in the attached drawing, the anti-cheating remote examination equipment based on the VR technology comprises a VR glasses module, an eyeball identification module, a Bluetooth connection module and a USB data interface module (shown in the attached drawing 1), and the actual using effect is shown in the attached drawings 2 and 3. The following is a description of the construction and function of each component:
1. VR glasses module includes: the external display prompting screen, the mobile phone card slot, the VR lens, the glasses outer frame and the sound-absorbing earphone;
firstly, the external display screen consists of a display screen and an outer frame and is fixedly connected with a mobile phone card slot through a screw; the outer screen that shows has 2 kinds of states, when the cell-phone draw-in groove does not have the cell-phone to insert, shows the suggestion language of not examining, for example: "prepare exam"; when the mobile phone card slot is inserted into the mobile phone, the mobile phone is inserted downwards to touch the switch, and the external display automatically switches the prompt words in the examination, for example: "Do not disturb during examination".
Secondly, the mobile phone card slot is 20cm long and 10cm high, the middle part is an elastic card slot, the mobile phone can be completely inserted into the card slot, a switch is arranged at the bottom of the card slot and is associated with the external display screen, the switch is in a closed state when the mobile phone is not inserted, and the switch is automatically opened after the mobile phone is inserted;
the VR lens is embedded in a mobile phone card slot to realize VR effect and watch VR format content in the mobile phone;
the outer frame of the glasses is an assembly frame of each component, so that the VR glasses module and the eyeball identification module are assembled together, and the VR browsing effect is realized;
the sound-absorbing earphone is linked with the outer frame of the glasses through a linking belt;
2. the eyeball identification module is embedded in the device through the outer frame of the glasses, and consists of a lens module, a processor board and a network interface (fig. 4 is a structural diagram of the eyeball identification module).
The lens module consists of an optical filter, an optical lens and an image sensor, and realizes the eyeball information capture of a user;
the processor circuit board is a CUP chip for processing images and codes, and eyeball information captured by the lens is converted into image characteristic codes;
the network interface is an interface for information processing between the eyeball identification module and the VR equipment, and image feature codes of the CUP processing result are transmitted to the cloud server from the VR equipment through the network interface;
the technical implementation flow of eyeball identification is shown in fig. 5;
3. the Bluetooth connecting module is also embedded into the equipment through the outer frame of the glasses, and the Bluetooth connecting module is mainly connected with the Bluetooth of the inserted mobile phone through the Bluetooth chip, so that network and data transmission between the VR glasses equipment and the mobile phone are realized. The information of the equipment, such as the information related to the eyeball identification module and the information transmitted by the data connection interface, is connected with the mobile phone through the Bluetooth connection module and is transmitted to the cloud server through the network of the mobile phone;
4. the data connector is the position where VR examination equipment is connected with external equipment such as a mouse, a keyboard, a handle and the like, and is connected with the external equipment such as the mouse, the keyboard, the handle and the like based on the USB connection standard through the USB interface standard. The USB interface connection supports wired and wireless. The interactive operation of the mouse and the keyboard in the VR visual interface is realized by utilizing the external mouse and the external keyboard through the data connection.
The equipment is used by combining with a mobile phone end APP, the APP provides VR format content, a virtual examination room with VR effect and examination content are constructed, and the whole information data interaction is shown in an attached figure 6;
bluetooth connection module can also realize the data connection of VR equipment and cell-phone through modes such as wifi connection, cell-phone data line connection in this equipment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides a prevent long-range examination equipment of practising fraud based on VR technique which characterized in that: comprises a VR glasses module, an eyeball identification module, a Bluetooth connection module and a USB data interface module,
the VR glasses module comprises an external display prompt screen, a mobile phone card slot, VR lenses, a glasses outer frame and a sound absorption earphone; the external display prompt screen consists of a display screen and an outer frame and is fixedly connected with a mobile phone card slot through a screw, and a switch is arranged at the bottom of the mobile phone card slot and is associated with the external display prompt screen; the VR lens is embedded in a mobile phone card slot so as to realize VR effect and watch VR format content in the mobile phone; the glasses frame is an assembly frame of each component, so that the VR glasses module and the eyeball identification module are assembled together, and the VR browsing effect is realized; the sound-absorbing earphone is linked with the outer frame of the glasses through a linking belt;
the eyeball identification module is embedded in the equipment through the outer frame of the glasses and consists of a lens module, a processor board and a network interface,
the lens module consists of an optical filter, an optical lens and an image sensor, and is used for capturing eyeball information of a user;
the processor circuit board is a CUP chip for processing images and codes, and eyeball information captured by the lens is converted into image characteristic codes;
the network interface is used for processing information between the eyeball identification module and the VR equipment, and image feature codes of the CUP processing result are transmitted to the cloud server from the VR equipment through the network interface;
the Bluetooth connecting module is also embedded in the equipment through the outer frame of the glasses, and the Bluetooth connecting module is mainly connected with the Bluetooth of the inserted mobile phone through a Bluetooth chip to realize network and data transmission between the VR glasses equipment and the mobile phone; transmitting the information of the equipment to a cloud server through a network of the mobile phone through a Bluetooth connection module;
the USB data interface module is used for connecting VR examination equipment and external equipment, the external equipment comprises a mouse, a keyboard and a handle, and interactive operation of the mouse and the keyboard in a VR visual interface is realized by utilizing an external mouse and an external keyboard through the USB data interface module.
2. The VR technology-based anti-cheating remote examination device of claim 1, wherein: the external display prompt screen is used for displaying working states, and the working states comprise 'preparation for examination' and 'no disturbance during examination'.
3. The VR technology-based anti-cheating remote examination device of claim 1, wherein: when a mobile phone is not inserted into the switch at the bottom of the mobile phone card slot, the switch is in a closed state, and when the mobile phone is inserted into the switch, the switch is automatically opened.
4. The VR technology-based anti-cheating remote examination device of claim 1, wherein: the equipment information comprises information related to the eyeball identification module and information transmitted by the data connection interface.
5. The VR technology-based anti-cheating remote examination device of claim 1, wherein: the USB data interface module supports wired and wireless.
6. The VR technology-based anti-cheating remote examination device of claim 1, wherein: the data connection of VR equipment and cell-phone is realized through the connected mode of wifi connection or cell-phone data line to bluetooth linking module.
7. A use method of anti-cheating remote examination equipment based on VR technology is characterized by comprising the following steps:
step 1: external devices such as a mouse, a keyboard, a handle and the like are connected through the USB data connector module, so that interactive operation can be conveniently performed in the VR visual interface in the follow-up process;
step 2: a Bluetooth connecting module on the VR equipment is connected with Bluetooth on the mobile phone and then is placed in a mobile phone card slot;
and step 3: the examinee wears VR glasses, and through an eyeball recognition module on the glasses frame, iris image translation codes are used for feature extraction, and the feature extraction is compared with a database to determine whether the examinee is the examinee himself;
and 4, step 4: after the verification is correct, sending an examination request to a cloud server;
and 5: the examination state of an examinee is obtained by associating a switch at the bottom of a mobile phone card slot with an external display prompt screen, so that the examinee can prepare an examination or do not disturb in the examination;
step 6: and receiving the examination content sent by the cloud server, displaying the examination content based on the virtual display scene, and answering through the external equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111359337.8A CN114220160A (en) | 2021-11-17 | 2021-11-17 | Anti-cheating remote examination equipment based on VR technology and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111359337.8A CN114220160A (en) | 2021-11-17 | 2021-11-17 | Anti-cheating remote examination equipment based on VR technology and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114220160A true CN114220160A (en) | 2022-03-22 |
Family
ID=80697314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111359337.8A Pending CN114220160A (en) | 2021-11-17 | 2021-11-17 | Anti-cheating remote examination equipment based on VR technology and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114220160A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115293938A (en) * | 2022-09-28 | 2022-11-04 | 深圳市卓帆技术有限公司 | Examination method and system based on VR technology |
-
2021
- 2021-11-17 CN CN202111359337.8A patent/CN114220160A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115293938A (en) * | 2022-09-28 | 2022-11-04 | 深圳市卓帆技术有限公司 | Examination method and system based on VR technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113792625A (en) | Intelligent table with state monitoring function, state monitoring system and server | |
| CN108427910B (en) | Deep neural network AR sign language translation learning method, client and server | |
| TW201814572A (en) | Facial recognition-based authentication | |
| CN112614399A (en) | Dance teaching equipment based on virtual reality and teaching method thereof | |
| CN115273213B (en) | VR glasses and anti-cheating method for online examination of VR glasses | |
| CN105943327B (en) | Vision exercise health care system with anti-dizziness device | |
| CN110780742B (en) | Eyeball tracking processing method and related device | |
| US20150244984A1 (en) | Information processing method and device | |
| CN112666705A (en) | Eye movement tracking device and eye movement tracking method | |
| CN113694343A (en) | Immersive anti-stress psychological training system and method based on VR technology | |
| CN110619956A (en) | Traditional chinese medical science intelligent robot | |
| CN109246412A (en) | A kind of operating room record system and method, operating room | |
| CN114220160A (en) | Anti-cheating remote examination equipment based on VR technology and use method thereof | |
| CN106681509A (en) | Interface operating method and system | |
| CN114190879A (en) | Visual function detection system for amblyopia children based on virtual reality technology | |
| US20230256327A1 (en) | Visual guidance-based mobile game system and mobile game response method | |
| CN117095456A (en) | Examination behavior detection method and device, electronic equipment and storage medium | |
| CN109426336A (en) | A kind of virtual reality auxiliary type selecting equipment | |
| CN215875885U (en) | Immersion type anti-stress psychological training system based on VR technology | |
| CN215231970U (en) | Intelligent safety body-building guiding device | |
| CN113100755B (en) | Limb rehabilitation training and evaluating system based on visual tracking control | |
| CN113197542B (en) | Online self-service vision detection system, mobile terminal and storage medium | |
| CN112684890A (en) | Physical examination guiding method and device, storage medium and electronic equipment | |
| CN114416237A (en) | Display state switching method, device and system, electronic equipment and storage medium | |
| CN212112571U (en) | Cross-culture communication system |
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 |