CN110188681A - A kind of high-precision face identification system - Google Patents

A kind of high-precision face identification system Download PDF

Info

Publication number
CN110188681A
CN110188681A CN201910460545.3A CN201910460545A CN110188681A CN 110188681 A CN110188681 A CN 110188681A CN 201910460545 A CN201910460545 A CN 201910460545A CN 110188681 A CN110188681 A CN 110188681A
Authority
CN
China
Prior art keywords
equipment body
rotation
seat
identification system
face identification
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.)
Granted
Application number
CN201910460545.3A
Other languages
Chinese (zh)
Other versions
CN110188681B (en
Inventor
付媛媛
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 City University
Original Assignee
Hunan City University
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 City University filed Critical Hunan City University
Priority to CN201910460545.3A priority Critical patent/CN110188681B/en
Publication of CN110188681A publication Critical patent/CN110188681A/en
Application granted granted Critical
Publication of CN110188681B publication Critical patent/CN110188681B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16Human faces, e.g. facial parts, sketches or expressions
    • G06V40/161Detection; Localisation; Normalisation
    • G06V40/166Detection; Localisation; Normalisation using acquisition arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Accessories Of Cameras (AREA)

Abstract

The present invention relates to identity recognition device technical fields, specially a kind of high-precision face identification system, including equipment body, slewing equipment at the front end face of equipment body, slewing equipment includes rotation pole, end plate and torsional spring, the back side of equipment body is provided with slider bar, and equipment body is installed on the securing means by slider bar, and fixed device includes fixing seat and rotation seat.The high-precision face identification system, by the way that camera is installed on slewing equipment, make slewing equipment under the action of torsional spring, slewing equipment drives camera to be retracted into equipment body always, prevent the camera on equipment body to identifying before passing by equipment body per capita, pass through the slider bar being arranged on equipment body and reaches identification device on the securing means, easily by the rotation of equipment body on the securing means by the fixed work to install or remove of identification device by slider bar installation.

Description

A kind of high-precision face identification system
Technical field
The present invention relates to identity recognition device technical field, specially a kind of high-precision face identification system.
Background technique
Face identification system is an emerging biological identification technology, wherein in company using face recognition technology as core In attendance, gradually swiped the card and fingerprint mode of checking card is substituted by the mode of checking card of face recognition technology by traditional.It is using On the identification device of face identification system, since existing identification device is mostly to carry out the people close to identification device from dynamic It answers, so that other people passed by before identification device understand recognition allowing device and capture and be ready for identifying, causes identification equipment Often start repeatedly, while needing to remove identification device when carrying out copy download to the data in identification device, and identifies If device installs more complex will lead to and is not easy to remove identification device, if identification device installation is relatively simply easy to cause identification device It is fallen from metope, in consideration of it, it is proposed that a kind of high-precision face identification system.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of high-precision face identification system Existing identification device is mostly to carry out automatic sensing to the people close to identification device, so that other people for passing by before identification device Meeting recognition allowing device captures and is ready for identifying, identification equipment is caused often to start repeatedly and in identification device Data carry out needing to remove identification device when copy download, and if identification device installs more complex will lead to and is not easy to remove identification Device, the problem of being easy to cause identification device to fall from metope if identification device installation is relatively simple.
To achieve the above object, the invention provides the following technical scheme:
The front end face edge of a kind of high-precision face identification system, including equipment body, the equipment body offers Turn trough is equipped with slewing equipment in the turn trough, and the slewing equipment includes the rotation pole being mounted in the turn trough, is mounted on The end plate of described rotation pole one end and the torsional spring for being mounted on the rotation pole other end, the left and right ends of the rotation pole are pacified Equipped with shaft, the end plate is fixed on positioned at turning the tip of the axis described in right side, and the torsional spring socket turns described in the left side in place On axis, the back side of the equipment body is provided with slider bar, and the equipment body is mounted on fixed device by the slider bar On, the fixed device includes the rotation seat for being fixed on the fixing seat of metope and being mounted in the fixing seat, the rotation Slot compatible with the sliding strip is offered on seat.
Preferably, the turn trough is in cylindrical structure, the shape of the turn trough is adapted with the shape of the rotation pole.
Preferably, opening up fluted on the outer surface of the rotation pole, camera is provided at the slot bottom of the groove.
Preferably, offering the kerve for installing the torsional spring on the inner wall of the turn trough left end, it is located at left side institute State and turn the tip of the axis and be inserted on the slot bottom of the kerve, one end of the torsional spring be embedded in the shaft in left side and with The shaft is closely welded, and the other end of the torsional spring is weldingly fixed on the inner wall of the kerve.
It passes through and stretches from the turn trough right end inner wall preferably, turning the tip of the axis described in being located on the right side of the rotation pole Out to the outside of the equipment body, the end plate is closely welded in the shaft, closely welds at the right side of the end plate It is connected to shift plate.
Preferably, the rotation seat structure in the form of a circular plate, the side of the rotation seat is equipped with projection seat, the slot It is provided in the projection seat.
Preferably, the fixing seat structure annular in shape, the fixing seat are bolted on metope, the fixation The middle part of seat offers rotation chamber compatible with the projection seat shape, and the edge of the rotation chamber bottom of chamber is offered for pacifying The annular groove of the rotation seat is filled, offers socket on the outer surface of the fixing seat.
Preferably, the outer surface of the projection seat is set, there are two the convex cap being symmetric, the inner walls of the rotation chamber On open up there are three in 90 ° distribution pits.
Preferably, being engaged by clamping between the convex cap and pit.
Preferably, the turn trough is semi-cylindrical groove.
Compared with prior art, the beneficial effects of the present invention are:
1. the high-precision face identification system, by the way that camera is installed to the slewing equipment that can be rotated in equipment body Torsional spring above and on slewing equipment is installed, makes slewing equipment under the action of torsional spring, slewing equipment drives camera to contract always Enter into equipment body, prevent the camera on equipment body to identifying before passing by equipment body per capita, solves existing Identification device be mostly that automatic sensing is carried out to the people close to identification device so that other people's meetings for being passed by before identification device The problem of recognition allowing device captures and is ready for identifying, identification equipment is caused often to start repeatedly;
2. the high-precision face identification system, by the slider bar being arranged on equipment body and makes identification device pass through cunning Dynamic item installation on the securing means, is easily consolidated identification device to reach by the rotation of equipment body on the securing means Surely the work to install or remove is solved and is needed when carrying out copy download to the data in identification device by identification device Remove, and if identification device install more complex will lead to be not easy to remove identification device, if identification device installation be relatively simply easy The problem of causing identification device to fall from metope.
Detailed description of the invention
Fig. 1 is the scheme of installation of slewing equipment in the present invention;
Fig. 2 is another scheme of installation of slewing equipment in the present invention;
Fig. 3 is the partial sectional view of equipment body in the present invention;
Fig. 4 is the structural schematic diagram of slewing equipment in the present invention;
Fig. 5 is overall structure diagram of the invention;
Fig. 6 is the structure schematic diagram of slewing equipment ontology in the present invention;
Fig. 7 is the structural schematic diagram that device is fixed in the present invention.
In figure: 1, equipment body;11, turn trough;111, kerve;12, slider bar;2, slewing equipment;21, rotation pole;211, Groove;2111, camera;212, shaft;22, end plate;221, shift plate;23, torsional spring;3, fixed device;31, fixing seat;311, Rotate chamber;312, annular groove;313, socket;314, pit;32, rotation seat;321, projection seat;322, slot;323, convex cap.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of The description present invention and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy Fixed orientation construction and operation, therefore be not considered as limiting the invention.
Embodiment 1
A kind of high-precision face identification system, as shown in Figs 1-4, including equipment body 1, the front end face side of equipment body 1 Turn trough 11 is offered at edge, slewing equipment 2 is installed in turn trough 11, and slewing equipment 2 includes the rotation pole being mounted in turn trough 11 21, it is mounted on the end plate 22 of 21 one end of rotation pole and is mounted on the torsional spring 23 of 21 other end of rotation pole, the left and right of rotation pole 21 Both ends are mounted on shaft 212, and end plate 22 is fixed on positioned at the end of right side shaft 212, and torsional spring 23 is socketed in positioned at left side In shaft 212.
In the present embodiment, turn trough 11 is semi-cylindrical groove.
In the present embodiment, turn trough 11 is in cylindrical structure, and the shape of turn trough 11 is adapted with the shape of rotation pole 21, makes back Rotary column 21 can rotate in turn trough 11, and fluted 211 are opened up on the outer surface of rotation pole 21, is arranged at the slot bottom of groove 211 There is camera 2111, rotation pole 21 is made camera 2111 can be driven to be rotated while rotation in turn trough 11, turn trough 11 Outside is connected with the front end face of equipment body 1, makes rotation pole 21 that camera 2111 be driven to turn to turn trough 11 and equipment body 1 Connectivity part when, camera 2111 is not stopped by equipment body 1, and camera 2111 can shoot the people before equipment body 1 at this time Identification.
Specifically, offering the kerve 111 for installing torsional spring 23 on the inner wall of 11 left end of turn trough, it is located at left side shaft 212 end is inserted on the slot bottom of kerve 111, one end of torsional spring 23 be embedded in the shaft 212 in left side and with shaft 212 Close welding, the other end of torsional spring 23 is weldingly fixed on the inner wall of kerve 111, under the elastic reaction of torsional spring 23, rotation pole Camera 2111 on 21 is always towards the inner wall of turn trough 11, to prevent camera 2111 to passing by before equipment body 1 per capita It carries out identification work and causes the starting repeatedly of identifying system.
Further, be located at turn around the end of 21 right side shaft 212 of column from 11 right end inner wall of turn trough through and out to The outside of equipment body 1, end plate 22 are closely welded in shaft 212, and shift plate 221 is closely welded at the right side of end plate 22, When stirring shift plate 221, shift plate 221 drives the movement of end plate 22 and drives rotation pole 21 in turn trough 11 under the action of shaft 212 Middle rotation, with the rotation of rotation pole 21, rotation pole 21 can drive camera 2111 to turn to the company of turn trough 11 Yu equipment body 1 Logical place, makes the face identification system in equipment body 1 carry out identification work, and after identification, unclamping shift plate 221 can make to turn round Column 21 homing and continues camera 2111 towards in turn trough 11 under the elastic reaction of torsional spring 23.
Embodiment 2
In concrete operations, need to remove equipment body 1 when carrying out copy download to the data in identification device, and If identification device installs more complex will lead to and is not easy to remove identification device, if identification device installation is relatively simply easy to cause identification Device is fallen from metope, therefore, is made improvements on the basis of embodiment 1 to equipment body 1, as a kind of preferred implementation Example, as illustrated in figs. 5-7, the back side of equipment body 1 are provided with slider bar 12, and equipment body 1 is mounted on fixation by slider bar 12 On device 3, fixed device 3 includes the rotation seat 32 for being fixed on the fixing seat 31 of metope and being mounted in fixing seat 31, rotation Slot 322 compatible with 12 shape of slider bar is offered on seat 32.
In the present embodiment, the side of the structure in the form of a circular plate of rotation seat 32, rotation seat 32 is equipped with projection seat 321, slot 322 It is provided in projection seat 321, the section t shape of slider bar 12 is simultaneously arranged in vertical, and equipment body 1 passes through slider bar 12 and slot 322 are slidably connected.
Specifically, the structure annular in shape of fixing seat 31, fixing seat 31 are bolted on metope, the middle part of fixing seat 31 Rotation chamber 311 compatible with 321 shape of projection seat is offered, the edge of rotation 311 bottom of chamber of chamber is offered for installing rotation The annular groove 312 of seat 32, socket 313 is offered on the outer surface of fixing seat 31, and socket 313 is laterally toward, when in projection seat 321 Slot 322 and socket 313 towards it is identical when, the slider bar 12 on equipment body 1 can be inserted into slot 322 from socket 313 In, the direction of equipment body 1 is vertical direction at this time.
Further, the outer surface of projection seat 321 is set there are two the convex cap 323 being symmetric, and rotates the inner wall of chamber 311 On open up there are three in 90 ° distribution pits 314, be engaged by clamping between convex cap 323 and pit 314.
It is worth noting that convex cap 323 is ball structure, the outer surface of projection seat 321 is equipped with the circle for being embedded convex cap 323 Shape slot, the interior spring for being equipped with connection projection seat 321 and cell wall of slot, the elastic force of spring can promote convex cap 323 to stretch in pit 314, And due to convex cap 323 be ball structure, external forces effect under, can compressed spring, and from pit 314 take off From.
After equipment body 1 passes through under vertical state is inserted into slot 322 on slider bar 12, pass through rotating machinery main body 1 can be such that equipment body 1 is rotated in rotation chamber 311 under the action of projection seat 321, when equipment body 1 drives 321 turns of projection seat When moving to transverse state, slot 322 is to be vertically oriented to, and convex cap 323 is tightly attached to always rotation chamber during projection seat 321 rotates On 311 inner wall, the spring inside circular trough is compressed, when convex cap 323 is moved at 314 position of pit, in the elastic force of spring Under effect, convex cap 323 stretches in pit 314 and is positioned in projection seat 321 in fixing seat 31, completes the peace of equipment body 1 Work is filled, since slot 322 has been rotated by being vertically oriented to, fixing seat 31 plays barrier effect to slider bar 12, prevents equipment Main body 1 falls off from slot 322.
When in use, stirring shift plate 221 first makes shift plate 221 drive end plate 22 to high-precision face identification system of the invention It moves and drives rotation pole 21 to rotate in turn trough 11 under the action of shaft 212, with the rotation of rotation pole 21, rotation pole 21 Camera 2111 can be driven to turn to the connectivity part of turn trough 11 Yu equipment body 1, make face identification system in equipment body 1 into Row identification work, then after identification, unclamping shift plate 221 can be such that rotation pole 21 restores next time in the elastic reaction of torsional spring 23 Position simultaneously continues camera 2111 towards in turn trough 11, finally when needing to remove equipment body 1 from fixed device 3, turns Dynamic equipment body 1 makes equipment body 1 that fixing seat 31 be driven to be rotated under the action of slider bar 12 in rotation chamber 311, when When equipment body 1 turns to vertical state, slot 322 is from being vertically oriented to turn to horizontally toward and make slot 322 and socket 313 It aligns, then laterally stirring equipment body 1 can easily remove equipment body 1 from slot 322, work as equipment requiring installation When main body 1, the slider bar 12 on equipment body 1 can be directly inserted into the slot 322 in transverse state from socket 313 In, then rotating machinery main body 1 make equipment body 1 driven under the action of slider bar 12 fixing seat 31 rotation chamber 311 in into When row turns to vertical state, fixing seat 31 plays barrier effect to slider bar 12, prevents equipment body 1 from taking off from slot 322 It falls, completes the installation of equipment body 1.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute Attached claims and its equivalent thereof.

Claims (10)

1. a kind of high-precision face identification system, including equipment body (1), it is characterised in that: the front end of the equipment body (1) Face edge offers turn trough (11), is equipped with slewing equipment (2) in the turn trough (11), and the slewing equipment (2) includes peace Rotation pole (21) in the turn trough (11) is mounted on the end plate (22) of the rotation pole (21) one end and is mounted on institute The torsional spring (23) of rotation pole (21) other end is stated, the left and right ends of the rotation pole (21) are mounted on shaft (212), the end Plate (22) is fixed on positioned at the end of the right side shaft (212), and the torsional spring (23) is socketed in the shaft positioned at left side (212) on, the back side of the equipment body (1) is provided with slider bar (12), and the equipment body (1) passes through the slider bar (12) it is mounted on fixed device (3), the fixed device (3) includes being fixed on the fixing seat (31) of metope and being mounted on institute The rotation seat (32) in fixing seat (31) is stated, is offered on the rotation seat (32) compatible with the slider bar (12) shape Slot (322).
2. high-precision face identification system according to claim 1, it is characterised in that: the turn trough (11) is in cylindrical body knot The shape of structure, the turn trough (11) is adapted with the shape of the rotation pole (21).
3. high-precision face identification system according to claim 1, it is characterised in that: the outer surface of the rotation pole (21) On open up fluted (211), be provided with camera (2111) at the slot bottom of the groove (211).
4. high-precision face identification system according to claim 1, it is characterised in that: the inner wall of turn trough (11) left end On offer kerve (111) for installing the torsional spring (23), the end for being located at the left side shaft (212) is inserted in the bottom On the slot bottom of slot (111), one end of the torsional spring (23) be embedded in the shaft (212) in left side and with the shaft (212) close welding, the other end of the torsional spring (23) are weldingly fixed on the inner wall of the kerve (111).
5. high-precision face identification system according to claim 1, it is characterised in that: be located on the right side of the rotation pole (21) The end of the shaft (212) from the turn trough (11) right end inner wall through and out to the equipment body (1) outside, The end plate (22) is closely welded on the shaft (212), is closely welded with shift plate at the right side of the end plate (22) (221)。
6. high-precision face identification system according to claim 1, it is characterised in that: the rounded plate of the rotation seat (32) The side of shape structure, the rotation seat (32) is equipped with projection seat (321), and the slot (322) is provided with the projection seat (321) On.
7. high-precision face identification system according to claim 6, it is characterised in that: the fixing seat (31) is annularly tied Structure, the fixing seat (31) are bolted on metope, offer and the projection seat in the middle part of the fixing seat (31) (321) edge of the compatible rotation chamber (311) of shape, described rotation chamber (311) bottom of chamber is offered for installing described turn The annular groove (312) of seat (32) is moved, offers socket (313) on the outer surface of the fixing seat (31).
8. high-precision face identification system according to claim 7, it is characterised in that: the outer surface of the projection seat (321) Place is set there are two the convex cap (323) that is symmetric, opens up that there are three in 90 ° of distributions on the inner wall of rotation chamber (311) Pit (314).
9. high-precision face identification system according to claim 8, it is characterised in that: the convex cap (323) and pit (314) it is engaged by clamping between.
10. high-precision face identification system according to claim 1, it is characterised in that: the turn trough (11) is semicolumn Shape slot.
CN201910460545.3A 2019-05-30 2019-05-30 High-precision face recognition system Expired - Fee Related CN110188681B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910460545.3A CN110188681B (en) 2019-05-30 2019-05-30 High-precision face recognition system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910460545.3A CN110188681B (en) 2019-05-30 2019-05-30 High-precision face recognition system

Publications (2)

Publication Number Publication Date
CN110188681A true CN110188681A (en) 2019-08-30
CN110188681B CN110188681B (en) 2021-01-15

Family

ID=67718648

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910460545.3A Expired - Fee Related CN110188681B (en) 2019-05-30 2019-05-30 High-precision face recognition system

Country Status (1)

Country Link
CN (1) CN110188681B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102930256B (en) * 2012-11-14 2016-06-22 汉王科技股份有限公司 Face identification device and facial image recognition method
US20160358433A1 (en) * 2015-06-04 2016-12-08 August Home Inc. Wireless camera with motion detector and face detector
CN109005331A (en) * 2018-09-30 2018-12-14 深圳警翼智能科技股份有限公司 A kind of CCD camera assembly
CN208271281U (en) * 2018-06-20 2018-12-21 南京度房网络科技有限公司 A kind of access control device based on face recognition technology
CN208675373U (en) * 2018-09-14 2019-03-29 广州市浪搏科技有限公司 A kind of monitor camera device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102930256B (en) * 2012-11-14 2016-06-22 汉王科技股份有限公司 Face identification device and facial image recognition method
US20160358433A1 (en) * 2015-06-04 2016-12-08 August Home Inc. Wireless camera with motion detector and face detector
CN208271281U (en) * 2018-06-20 2018-12-21 南京度房网络科技有限公司 A kind of access control device based on face recognition technology
CN208675373U (en) * 2018-09-14 2019-03-29 广州市浪搏科技有限公司 A kind of monitor camera device
CN109005331A (en) * 2018-09-30 2018-12-14 深圳警翼智能科技股份有限公司 A kind of CCD camera assembly

Also Published As

Publication number Publication date
CN110188681B (en) 2021-01-15

Similar Documents

Publication Publication Date Title
CN105749383B (en) Pre-filled pen-type injector
CN208982432U (en) A kind of high strength elastic pin easy to disassemble
CN109272667A (en) Intellectual access cabinet
CN109264651A (en) Switch cover external member and with switch lid function robot
CN110188681A (en) A kind of high-precision face identification system
CN207188125U (en) A kind of glue applying mechanism
CN204723524U (en) Direct insertion high pressure injector syringe erecting device
CN112061614B (en) Medicament storage tank for pharmacy of bottom fixed stability
CN207528534U (en) Automatic stoking ball sample mechanism
CN209586972U (en) The ball-loading device of bearing assembly machine
CN209525117U (en) A kind of ground tensile test ground acquisition device
CN209143642U (en) Pawl structure, switch cover external member and robot for switch cover
CN108427047A (en) A kind of electronic equipment interfaces life detecting device of automation
CN103995138A (en) Automatic interpreting system of blood card
CN109774947A (en) A kind of safety-type express delivery unmanned plane with face identification functions
CN110644503A (en) Building foundation pit supporting structure
CN205941467U (en) Ultrasonic detector installation component
CN207586038U (en) A kind of pressure testing machine
CN104606011B (en) Limiting mechanism
CN205497359U (en) Fast flange device of opening
CN207588997U (en) A kind of rotary type monitor camera
CN208872536U (en) A kind of hopper automatic sampling device
CN109779035A (en) A kind of exhibition room connecting structure of wall
CN110469305A (en) A kind of multistage fracturing pitching machine
CN108742498A (en) It is a kind of that there is the Automatic Perimeter being turned up with dust reduction capability

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
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210115

Termination date: 20210530

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