CN113887277B - Handheld identity card reader and information acquisition and sign-in method based on same - Google Patents
Handheld identity card reader and information acquisition and sign-in method based on same Download PDFInfo
- Publication number
- CN113887277B CN113887277B CN202110967774.1A CN202110967774A CN113887277B CN 113887277 B CN113887277 B CN 113887277B CN 202110967774 A CN202110967774 A CN 202110967774A CN 113887277 B CN113887277 B CN 113887277B
- Authority
- CN
- China
- Prior art keywords
- identity card
- information
- identity
- card reader
- handheld
- 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
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000004891 communication Methods 0.000 claims description 9
- 238000003672 processing method Methods 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 6
- 230000005856 abnormality Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 13
- 238000012549 training Methods 0.000 abstract description 5
- 238000012795 verification Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000004590 computer program Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/10—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Collating Specific Patterns (AREA)
Abstract
The invention relates to a handheld identity card reader and a method for collecting and signing on the basis of information of the device, department information creation, identity information collection and real-name signing of staff can be completed through the handheld identity card reader, and for real-name signing, management staff can use three signing modes of face recognition, fingerprint identification and manual verification, so that the flexibility is high; personnel registration can be rapidly carried out on occasions such as construction sites and training, attendance and falsification are effectively prevented, safety management of the construction sites is guaranteed, and integrated portable management of worker information acquisition and attendance is realized.
Description
Technical Field
The invention relates to the technical field of engineering management, in particular to a handheld identity card reader and an information acquisition and sign-in method based on the device.
Background
With the vigorous development of the building industry in China, the real-name construction of the construction site is also continuously perfected. The construction site has large area, wide range, complex personnel structure and large fluidity, and has certain difficulty for the real-name management of workers. The traditional manual supervision mode has the problems of false leakage detection, low efficiency and the like. The existing intelligent building site real-name attendance management system has face recognition attendance, fingerprint attendance and the like, but generally needs to collect information in advance and record the information into a database uniformly, so that the intelligent building site real-name attendance management system is very inconvenient for management of places with openness and strong fluidity. Meanwhile, the worker information acquisition and attendance check-in system and equipment are usually independent, and the integrated portable management flow is not easy to realize.
Disclosure of Invention
First, the technical problem to be solved
In order to solve the problems in the prior art, the invention provides a handheld identity card reader and an information acquisition and check-in method based on the handheld identity card reader, which realize the integrated portable management of worker information acquisition and attendance check-in.
(II) technical scheme
In order to achieve the above purpose, the invention adopts a technical scheme that: an information acquisition and sign-in method based on a handheld identity card reader comprises the following steps:
s1, creating department information of a current worker through a handheld identity card reader, reading an identity card of the worker through the handheld identity card reader to obtain complete identity information of the worker, and matching the identity information of the worker with the department information;
s2, generating a list of staff corresponding to the department information and identity information matched with the list according to the matched result, uploading the list of staff corresponding to the department information and the identity information matched with the list to a database, and returning to the handheld identity card reader for data display;
s3, when signing in, any one of the following three signing in modes can be used for signing in:
firstly, acquiring face information of a worker through a camera arranged in a handheld identity card reader, and comparing the face information with identity information matched with the worker in the database to check in;
secondly, acquiring fingerprint information of a worker through a fingerprint identification module arranged in the handheld identity card reader, and comparing the fingerprint information with identity information matched with the worker in the database to perform sign-in work;
thirdly, the manager uses a hand-held identification reader to manually check in for the staff.
The invention adopts another technical scheme that: a handheld identity card reader comprises a reader main body;
the reader is characterized in that a display screen and a camera are arranged on one side face of the reader main body, an identity card reading module and a fingerprint identification module are arranged on the other side face of the reader main body, a processor, a memory and a communication module are arranged in the reader main body, and the processor is electrically connected with the display screen, the camera, the identity card reading module, the fingerprint identification module and the communication module respectively.
(III) beneficial effects
The beneficial effects of the invention are as follows: the department information creation, the identity information acquisition and the real-name sign-in of the staff can be completed through the handheld identity card reader, and for the real-name sign-in, three sign-in modes of face identification, fingerprint identification and manual verification can be used by the manager, so that the flexibility is high; personnel registration can be rapidly carried out on occasions such as construction sites and training, attendance and falsification are effectively prevented, safety management of the construction sites is guaranteed, and integrated portable management of worker information acquisition and attendance is realized.
Drawings
FIG. 1 is a flow chart of a method for information collection and sign-in based on a handheld identification card reader of the present invention;
FIG. 2 is a front view of a handheld identification card reader of the present invention;
FIG. 3 is a rear view of the handheld identification card reader of the present invention;
[ reference numerals description ]
1. A reader body; 2. a display screen; 3. a camera; 4. an identity card reading module; 5. and a fingerprint identification module.
Detailed Description
The invention will be better explained by the following detailed description of the embodiments with reference to the drawings.
Referring to fig. 1, an information collecting and signing method based on a handheld identity card reader includes:
s1, creating department information of a current worker through a handheld identity card reader, reading an identity card of the worker through the handheld identity card reader to obtain complete identity information of the worker, and matching the identity information of the worker with the department information;
s2, generating a list of staff corresponding to the department information and identity information matched with the list according to the matched result, uploading the list of staff corresponding to the department information and the identity information matched with the list to a database, and returning to the handheld identity card reader for data display;
s3, when signing in, any one of the following three signing in modes can be used for signing in:
firstly, acquiring face information of a worker through a camera arranged in a handheld identity card reader, and comparing the face information with identity information matched with the worker in the database to check in;
secondly, acquiring fingerprint information of a worker through a fingerprint identification module arranged in the handheld identity card reader, and comparing the fingerprint information with identity information matched with the worker in the database to perform sign-in work;
thirdly, the manager uses a hand-held identification reader to manually check in for the staff.
From the above description, the beneficial effects of the invention are as follows: the department information creation, the identity information acquisition and the real-name sign-in of the staff can be completed through the handheld identity card reader, and for the real-name sign-in, three sign-in modes of face identification, fingerprint identification and manual verification can be used by the manager, so that the flexibility is high; personnel registration can be rapidly carried out on occasions such as construction sites and training, attendance and falsification are effectively prevented, safety management of the construction sites is guaranteed, and integrated portable management of worker information acquisition and attendance is realized.
Further, in the step S1, the following situations exist in which the complete identity information of the staff is obtained by reading the identity card of the staff through the built-in identity card reader or the camera of the handheld identity card reader:
firstly, if the identity card of the staff is read by an identity card reader built in the handheld identity card reader without abnormality, directly reading to obtain the complete identity information of the staff;
secondly, if the identity card of the handheld identity card reader reads the identity card of the staff as a first generation identity card, reading other identity information except fingerprint information of the identity card, prompting that the fingerprint information is missing on the handheld identity card reader, carrying out fingerprint complement on the staff through a fingerprint identification module built in the handheld identity card reader, and perfecting the complement fingerprint information into the identity information to obtain complete identity information of the staff;
thirdly, if the hand-held identity card reader cannot read the identity card of the staff normally, judging that the identity card is demagnetized, acquiring an identity card photo through a camera arranged in the hand-held identity card reader, and recognizing an identity card image and characters on the photo through an image processing method to obtain complete identity information of the staff.
From the above description, for both the first generation of identity card and the demagnetized identity card, a solution is provided to obtain complete identity information of the staff, which can cope with various abnormal situations and ensure the normal collection of the identity card information.
Further, the step of identifying the identity card image and the text on the photo by the image processing method to obtain the complete identity information of the staff includes:
and extracting the mark characters of the identity card image on the photo by using an OCR technology, determining a rectangular area of the identity card image on the photo according to the relative positions of the mark characters and the identity card image, intercepting the image of the rectangular area, dividing character segments in the extracted mark characters in the identity card image, comparing and identifying each character after division with candidate characters in a character library, determining, arranging the determined characters according to a preset format, and returning the intercepted image of the rectangular area and the characters arranged according to the preset format to the handheld identity card reader for display.
From the description, the character information of the identity card image and the sign text can be accurately obtained through the algorithm, and the reliability is high.
Referring to fig. 2 and 3, a handheld id card reader includes a reader body;
the reader is characterized in that a display screen and a camera are arranged on one side face of the reader main body, an identity card reading module and a fingerprint identification module are arranged on the other side face of the reader main body, a processor, a memory and a communication module are arranged in the reader main body, and the processor is electrically connected with the display screen, the camera, the identity card reading module, the fingerprint identification module and the communication module respectively.
From the above description, the beneficial effects of the invention are as follows: the department information creation, the identity information acquisition and the real-name sign-in of the staff can be completed through the handheld identity card reader, and for the real-name sign-in, three sign-in modes of face identification, fingerprint identification and manual verification can be used by the manager, so that the flexibility is high; personnel registration can be rapidly carried out on occasions such as construction sites and training, attendance and falsification are effectively prevented, safety management of the construction sites is guaranteed, and integrated portable management of worker information acquisition and attendance is realized.
Example 1
Referring to fig. 1, an information collecting and signing method based on a handheld identity card reader includes:
s1, creating department information (the department information comprises information of project parts, work types, departments/groups and the like) of a current worker through a handheld identity card reader, reading an identity card of the worker through the handheld identity card reader to obtain complete identity information of the worker, and matching the identity information of the worker with the department information;
s2, generating a list of staff corresponding to the department information and identity information matched with the list according to the matched result, uploading the list of staff corresponding to the department information and the identity information matched with the list to a database, and returning to the handheld identity card reader for data display;
s3, when signing in, any one of the following three signing in modes can be used for signing in:
firstly, acquiring face information of a worker through a camera arranged in a handheld identity card reader, comparing the face information with identity information matched with the worker in a database, and performing sign-in work, wherein the sign-in work comprises the following steps of: comparing the face information with the face information of the staff in the database, and if the similarity exceeds a preset threshold, indicating that the check-in is successful;
second, obtain the fingerprint information of staff through the built-in fingerprint identification module of handheld ID card reader, with fingerprint information with the staff in the database match the identity information of staff compares and carries out the work of registering, specifically is: comparing the fingerprint information with the fingerprint information of the staff in the database, and if the similarity exceeds a preset threshold, indicating that the check-in is successful;
thirdly, the manager uses a hand-held identification reader to manually check in for the staff.
In the step S1, the identity card reader or the camera arranged in the handheld identity card reader reads the identity card of the staff to obtain the complete identity information of the staff, and the following conditions exist:
firstly, if the identity card of the staff is read by an identity card reader built in the handheld identity card reader without abnormality, directly reading to obtain the complete identity information of the staff;
secondly, if the identity card of the handheld identity card reader reads the identity card of the staff as a first generation identity card, reading other identity information except fingerprint information of the identity card, prompting that the fingerprint information is missing on the handheld identity card reader, carrying out fingerprint complement on the staff through a fingerprint identification module built in the handheld identity card reader, and perfecting the complement fingerprint information into the identity information to obtain complete identity information of the staff;
thirdly, if the hand-held identity card reader cannot read the identity card of the staff normally, judging that the identity card is demagnetized, acquiring an identity card photo through a camera arranged in the hand-held identity card reader, and recognizing an identity card image and characters on the photo through an image processing method to obtain complete identity information of the staff.
The step of identifying the identity card image and the text on the photo by the image processing method to obtain the complete identity information of the staff comprises the following steps:
and extracting the mark characters of the identity card image on the photo by using an OCR technology, determining a rectangular area of the identity card image on the photo according to the relative positions of the mark characters and the identity card image, intercepting the image of the rectangular area, dividing character segments in the extracted mark characters in the identity card image, comparing and identifying each character after division with candidate characters in a character library, determining, arranging the determined characters according to a preset format, and returning the intercepted image of the rectangular area and the characters arranged according to the preset format to the handheld identity card reader for display.
By the image processing method, the influence of reasons such as poor definition, noise, irrelevant background inclusion, inclination and the like of illumination conditions during shooting can be eliminated, and the accuracy of the obtained images and characters of the rectangular area is ensured.
Example two
Referring to fig. 2 and 3, a handheld id card reader includes a reader body 1;
the reader is characterized in that a display screen 2 and a camera 3 are arranged on one side face of the reader body 1, an identity card reading module 4 and a fingerprint identification module 5 are arranged on the other side face of the reader body 1, a processor, a memory and a communication module are arranged in the reader body 1, and the processor is electrically connected with the display screen 2, the camera 3, the identity card reading module 4, the fingerprint identification module 5 and the communication module respectively.
The display screen 2 is used for information display and interaction, the display screen 2 is preferably a touch screen, the identity card reading module 4 and the fingerprint identification module 5 are respectively used for acquiring identity card information and fingerprint information, the communication module is used for interacting with a background system and a database, a computer program which can run on the processor is stored on the memory, and the processor realizes the steps in the first embodiment when executing the computer program.
In summary, the handheld identity card reader and the method for acquiring and signing based on the device information provided by the invention can finish department information creation, identity information acquisition and real-name signing of staff through the handheld identity card reader, and for real-name signing, a manager can use three signing modes of face recognition, fingerprint recognition and manual verification, so that the flexibility is high; personnel registration can be rapidly carried out on occasions such as construction sites and training, attendance and falsification are effectively prevented, safety management of the construction sites is guaranteed, and integrated portable management of worker information acquisition and attendance is realized.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (3)
1. An information acquisition and sign-in method based on a handheld identity card reader is characterized by comprising the following steps:
s1, creating department information of a current worker through a handheld identity card reader, reading an identity card of the worker through the handheld identity card reader to obtain complete identity information of the worker, and matching the identity information of the worker with the department information;
s2, generating a list of staff corresponding to the department information and identity information matched with the list according to the matched result, uploading the list of staff corresponding to the department information and the identity information matched with the list to a database, and returning to the handheld identity card reader for data display;
s3, when signing in, any one of the following three signing in modes can be used for signing in:
firstly, acquiring face information of a worker through a camera arranged in a handheld identity card reader, and comparing the face information with identity information matched with the worker in the database to check in;
secondly, acquiring fingerprint information of a worker through a fingerprint identification module arranged in the handheld identity card reader, and comparing the fingerprint information with identity information matched with the worker in the database to perform sign-in work;
thirdly, a manager uses a hand-held identity card reader to manually sign in for a worker;
in the step S1, the identity card reader or the camera arranged in the handheld identity card reader reads the identity card of the staff to obtain the complete identity information of the staff, and the following conditions exist:
firstly, if the identity card of the staff is read by an identity card reader built in the handheld identity card reader without abnormality, directly reading to obtain the complete identity information of the staff;
secondly, if the identity card of the handheld identity card reader reads the identity card of the staff as a first generation identity card, reading other identity information except fingerprint information of the identity card, prompting that the fingerprint information is missing on the handheld identity card reader, carrying out fingerprint complement on the staff through a fingerprint identification module built in the handheld identity card reader, and perfecting the complement fingerprint information into the identity information to obtain complete identity information of the staff;
thirdly, if the hand-held identity card reader cannot read the identity card of the staff normally, judging that the identity card is demagnetized, acquiring an identity card photo through a camera arranged in the hand-held identity card reader, and recognizing an identity card image and characters on the photo through an image processing method to obtain complete identity information of the staff.
2. The method for collecting and signing in information based on a handheld identity card reader according to claim 1, wherein the step of identifying the identity card image and the text on the photo by the image processing method to obtain the complete identity information of the staff comprises the steps of:
and extracting the mark characters of the identity card image on the photo by using an OCR technology, determining a rectangular area of the identity card image on the photo according to the relative positions of the mark characters and the identity card image, intercepting the image of the rectangular area, dividing character segments in the extracted mark characters in the identity card image, comparing and identifying each character after division with candidate characters in a character library, determining, arranging the determined characters according to a preset format, and returning the intercepted image of the rectangular area and the characters arranged according to the preset format to the handheld identity card reader for display.
3. A handheld identification card reader for carrying out the method of claim 1 or 2, comprising a reader body;
the reader is characterized in that a display screen and a camera are arranged on one side face of the reader main body, an identity card reading module and a fingerprint identification module are arranged on the other side face of the reader main body, a processor, a memory and a communication module are arranged in the reader main body, and the processor is electrically connected with the display screen, the camera, the identity card reading module, the fingerprint identification module and the communication module respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110967774.1A CN113887277B (en) | 2021-08-23 | 2021-08-23 | Handheld identity card reader and information acquisition and sign-in method based on same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110967774.1A CN113887277B (en) | 2021-08-23 | 2021-08-23 | Handheld identity card reader and information acquisition and sign-in method based on same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113887277A CN113887277A (en) | 2022-01-04 |
| CN113887277B true CN113887277B (en) | 2024-01-02 |
Family
ID=79011174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110967774.1A Active CN113887277B (en) | 2021-08-23 | 2021-08-23 | Handheld identity card reader and information acquisition and sign-in method based on same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113887277B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116484091A (en) * | 2023-03-10 | 2023-07-25 | 湖北天勤伟业企业管理有限公司 | Card information program interaction method and device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1372221A (en) * | 2002-03-14 | 2002-10-02 | 山连根 | Method for guarantying training quality of driver student and vehicle carried driving information recorder |
| CN204087214U (en) * | 2014-07-07 | 2015-01-07 | 安徽航天信息有限公司 | A kind of identity card reader with bluetooth recognition function |
| CN104361339A (en) * | 2014-11-27 | 2015-02-18 | 北京市新技术应用研究所 | Palm image extracting and identification method |
| CN106022330A (en) * | 2016-05-20 | 2016-10-12 | 广东海辰科技股份有限公司 | Information collection method and terminal of identity document |
| WO2016186576A1 (en) * | 2015-05-18 | 2016-11-24 | Jing King Tech Holdings Pte. Ltd. | Information acquisition mobile terminal |
| CN106991390A (en) * | 2017-03-30 | 2017-07-28 | 电子科技大学 | A kind of hand-held testimony of a witness Compare System and method based on deep learning |
| CN107424252A (en) * | 2017-05-10 | 2017-12-01 | 杭州班博科技有限公司 | A kind of site staff's real-name management system and method |
| CN108121966A (en) * | 2017-12-21 | 2018-06-05 | 欧浦智网股份有限公司 | A kind of list method for automatically inputting, electronic equipment and storage medium based on OCR technique |
| CN208188862U (en) * | 2017-12-28 | 2018-12-04 | 方正国际软件(北京)有限公司 | A kind of hand-held identification check device and a kind of identity verification system |
-
2021
- 2021-08-23 CN CN202110967774.1A patent/CN113887277B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1372221A (en) * | 2002-03-14 | 2002-10-02 | 山连根 | Method for guarantying training quality of driver student and vehicle carried driving information recorder |
| CN204087214U (en) * | 2014-07-07 | 2015-01-07 | 安徽航天信息有限公司 | A kind of identity card reader with bluetooth recognition function |
| CN104361339A (en) * | 2014-11-27 | 2015-02-18 | 北京市新技术应用研究所 | Palm image extracting and identification method |
| WO2016186576A1 (en) * | 2015-05-18 | 2016-11-24 | Jing King Tech Holdings Pte. Ltd. | Information acquisition mobile terminal |
| CN106022330A (en) * | 2016-05-20 | 2016-10-12 | 广东海辰科技股份有限公司 | Information collection method and terminal of identity document |
| CN106991390A (en) * | 2017-03-30 | 2017-07-28 | 电子科技大学 | A kind of hand-held testimony of a witness Compare System and method based on deep learning |
| CN107424252A (en) * | 2017-05-10 | 2017-12-01 | 杭州班博科技有限公司 | A kind of site staff's real-name management system and method |
| CN108121966A (en) * | 2017-12-21 | 2018-06-05 | 欧浦智网股份有限公司 | A kind of list method for automatically inputting, electronic equipment and storage medium based on OCR technique |
| CN208188862U (en) * | 2017-12-28 | 2018-12-04 | 方正国际软件(北京)有限公司 | A kind of hand-held identification check device and a kind of identity verification system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113887277A (en) | 2022-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206672041U (en) | A kind of mining equipment intelligent patrol detection based on augmented reality and safeguard accessory system | |
| Kamelia et al. | Real-time online attendance system based on fingerprint and GPS in the smartphone | |
| CN112233263A (en) | Attendance management system based on face image recognition | |
| CN111724496A (en) | Attendance checking method, attendance checking device and computer readable storage medium | |
| US20210312163A1 (en) | Face recognition method, device and electronic equipment, and computer non-volatile readable storage medium | |
| CN107491728A (en) | A kind of human face detection method and device based on edge calculations model | |
| CN107742101A (en) | A kind of site operation personnel verification method | |
| CN113887277B (en) | Handheld identity card reader and information acquisition and sign-in method based on same | |
| CN110751675A (en) | Urban pet activity track monitoring method based on image recognition and related equipment | |
| CN113837030A (en) | Intelligent personnel management and control method and system for epidemic situation prevention and control and computer equipment | |
| CN113903068A (en) | Stranger monitoring method, device and equipment based on human face features and storage medium | |
| CN109255408A (en) | A kind of Construction Safety hidden troubles removing method for positioning and taking pictures based on electronic beacon | |
| Alagasan et al. | A review paper on advanced attendance and monitoring systems | |
| Wakchoure et al. | Multiple approach of RFID-based attendance system using IoT | |
| Patil et al. | A wireless fingerprint attendance system | |
| CN113822645A (en) | Interview management system, equipment and computer medium | |
| CN107423606A (en) | A kind of identification system based on fuzzy control theory | |
| CN202512593U (en) | Non-contact type new rural insurance information acquisition and certification system based on palm veins | |
| CN113538720A (en) | Embedded face recognition attendance checking method based on Haisi intelligent AI chip | |
| CN103268477A (en) | Three-dimensional face recognition system based on embedded platform | |
| CN109064578B (en) | Attendance system and method based on cloud service | |
| CN114444636A (en) | Archive management system based on RFID (radio frequency identification) label | |
| CN211015674U (en) | Intelligent management unmanned tool room based on RFID technology | |
| CN114120509A (en) | Regional access authorization device based on fusion identification technology | |
| CN209821849U (en) | Owl face recognition early warning 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |