CN114403834A - Personnel non-inductive heart rate monitoring system of 77GHz millimeter wave radar - Google Patents
Personnel non-inductive heart rate monitoring system of 77GHz millimeter wave radar Download PDFInfo
- Publication number
- CN114403834A CN114403834A CN202111625526.5A CN202111625526A CN114403834A CN 114403834 A CN114403834 A CN 114403834A CN 202111625526 A CN202111625526 A CN 202111625526A CN 114403834 A CN114403834 A CN 114403834A
- Authority
- CN
- China
- Prior art keywords
- data
- heart rate
- millimeter wave
- wave radar
- personnel
- 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
- 238000012544 monitoring process Methods 0.000 title claims abstract description 65
- 230000001939 inductive effect Effects 0.000 title description 3
- 238000012545 processing Methods 0.000 claims abstract description 46
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 230000001953 sensory effect Effects 0.000 claims abstract description 21
- 238000004458 analytical method Methods 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims description 17
- 238000011161 development Methods 0.000 claims description 6
- 230000006855 networking Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000012827 research and development Methods 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000013523 data management Methods 0.000 abstract description 4
- 238000007726 management method Methods 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008447 perception Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0015—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system
- A61B5/0022—Monitoring a patient using a global network, e.g. telephone networks, internet
Abstract
The invention discloses a personnel non-sensory heart rate monitoring system based on an autonomously researched and developed 77GHz millimeter wave radar, which comprises: the front-end sensing module is used for acquiring personnel detection echo data in a coverage range through independently researched and developed 77GHz millimeter wave radar sensor equipment arranged indoors and transmitting the data to relevant data processing equipment; the data processing module is used for processing the personnel detection echo data input by the front-end sensing equipment, completing data identification, data summarization, analysis and processing, and transmitting the processed heart rate monitoring data to the related display equipment; and the display module is used for acquiring the heart rate monitoring data of the data processing module, providing an entrance for the use and operation of the system and carrying out system data management through a B/S mode and a private network computer. The invention is applied to the fields of old people monitoring, medical health and the like, realizes heart rate monitoring of personnel in a coverage range, realizes non-sensory monitoring without wearing any equipment, and provides an innovative solution for medical health and intelligent endowment application.
Description
Technical Field
The invention relates to a personnel non-sensory heart rate monitoring system based on an autonomously developed 77GHz millimeter wave radar, which is applied to the fields of old people monitoring, medical health and the like, utilizes the latest 77GHz millimeter wave radar technology to realize heart rate monitoring on personnel in the coverage range, does not need to wear any equipment, realizes non-sensory monitoring, provides an innovative solution for the application of medical health, intelligent old people care and the like, and further promotes the intelligent and informationized management level and the working efficiency of personnel indoor monitoring.
Background
The millimeter wave radar sensor is positioned in the fields of safety, intelligence, perception and identification, is mainly applied to the application fields of automotive electronics, unmanned driving, intelligent perception, intelligent security, military security and the like, provides a complete solution of the millimeter wave radar sensor integrated from a chip to a system application and related product services, realizes the detection and tracking of people, vehicles, animals and equipment, focuses on the application of a millimeter wave radar with a frequency range of 76-81GHz or subsequent higher frequency ranges in the intelligent perception industry, and depends on the product application technology to accumulate and draw other industries in active layout.
The indoor millimeter wave radar sensor adopts the miniaturized design, supports networking deployment, can detect and track biological sign activity, is particularly suitable for the scenes that an old person care institution, an empty nest old person family and a medical institution need to continuously and remotely monitor the health condition of the old person or a patient, can avoid the privacy problem caused by the camera scheme through the latest millimeter wave biological radar technology, and can cover any indoor privacy area.
Disclosure of Invention
The invention aims to provide a personnel non-sensory heart rate monitoring system based on an autonomously researched and developed 77GHz millimeter wave radar, provides an innovative solution for medical health, intelligent old-age care and other applications, and further promotes the intelligent and information management level and the working efficiency of personnel indoor monitoring.
The invention has the technical scheme that a personnel non-sensory heart rate monitoring system based on an autonomously researched and developed 77GHz millimeter wave radar comprises: the front-end sensing module is used for acquiring personnel detection echo data in a coverage range through independently researched and developed 77GHz millimeter wave radar sensor equipment arranged indoors and transmitting the detection echo data to relevant data processing equipment; the data processing module is used for processing the personnel detection echo data input by the front-end sensing equipment, completing data identification, data summarization, analysis and processing, and transmitting the processed heart rate monitoring data to the related display equipment; the display module is used for acquiring the heart rate monitoring data of the data processing module, providing an entrance for the system to use and operate, comprises a system platform end and a client end, and can manage and display system data through a B/S mode and a private network computer.
Further, the front-end sensing module includes: acquiring personnel detection echo data in a coverage range through autonomously developed 77GHz millimeter wave radar sensor equipment arranged indoors, and transmitting the detection echo data to relevant data processing equipment; and the data cable is used for connecting the 77GHz millimeter wave radar sensor and is connected to the data processing module in a bus mode.
Further, the data processing module comprises: the switch is used as central switching equipment and arranged between the front-end sensing module and the data processing module, and provides an electric signal switching channel between the two modules; the intranet switch is arranged between the switch and the client and provides a special electric signal exchange channel for the client; the data processing server is used as centralized management equipment, completes data identification, data summarization, analysis and processing, analyzes radar sensing data and completes the output of the monitoring data of the non-sensed heart rate of personnel; and the network cable is used for connecting the devices.
Further, the presentation module includes: the system platform end provides an entrance for the system to use and operate through a B/S mode or a private network computer, and manages and displays the whole heart rate monitoring data; and the client provides heart rate monitoring data display of the system and provides non-sensory heart rate monitoring data display information to the site through a site display screen or an interface.
Further, the system adopts a private cloud deployment mode,
the private cloud and the front-end sensing module equipment node are communicated through a local area network, and after the data processing server is deployed by the data processing module, the private cloud and the front-end sensing module equipment node are accessed to the data processing server in batches through equipment in each site.
Further, networking deployment of a plurality of 77GHz millimeter wave radar sensors is achieved through the switch.
Furthermore, the intranet switch provides private network communication, and the intranet switch realizes the connection and communication between the personnel non-sensory heart rate monitoring systems in the rooms and the platform management end.
Furthermore, the monitoring system is based on Ethernet communication and CAN bus communication, and supports a data protocol for efficient packaging and transmission of two types of data, namely a millimeter wave radar intermediate processing result and a final detection result.
Furthermore, the monitoring system is installed and deployed in rooms of an elderly care institution, a vacant nester family and a medical institution.
Further, a 77GHz millimeter wave radar sensor is installed in a mattress, on a bed frame, or on a wall or ceiling of a toilet, a bedroom, a living room.
Compared with the prior art, the invention has the technical effects that the personnel non-sensory heart rate monitoring system based on the autonomous development of the 77GHz millimeter wave radar is applied to the fields of old people monitoring, medical health and the like, the latest 77GHz millimeter wave radar technology is utilized to realize heart rate monitoring on personnel in the coverage range, the personnel do not need to wear any equipment, the non-sensory monitoring is realized, an innovative solution is provided for the application of medical health, intelligent old-age care and the like, and the intelligent and informationalized management level and the working efficiency of the personnel indoor monitoring are further promoted.
Particularly, the invention is based on a self-developed 77GHz millimeter wave radar sensor which is a high-frequency electronic scanning sensor for detecting obstacles, detects objects and realizes sensing by transmitting and receiving electromagnetic waves, the millimeter wave radar can identify cardiac shock waves generated on the body surface during heartbeat, can identify the fluctuation of the chest and the movement of limbs during respiration, and can realize continuous dynamic monitoring without contact through an algorithm.
In particular, the physical signs of people entering the detection area are actively detected, the traditional passive detection mode is changed, the radar waves can penetrate through low-density media such as air, clothes, bedding, mattresses and the like, and can be installed in the mattresses and on bed frames according to the environmental conditions, and also can be installed on the walls or ceilings of toilets, bedrooms and living rooms.
Particularly, the indoor millimeter wave radar sensor is designed in a miniaturized mode, networking deployment is supported, the biological sign activities can be detected and tracked through the latest millimeter wave radar technology, and the indoor millimeter wave radar sensor is particularly suitable for occasions where the health conditions of old people or patients need to be monitored continuously and remotely in the elderly care institutions, empty nest old people families and medical institutions.
Particularly, the method has the greatest advantages that privacy disclosure is not involved, a lens design which is uncomfortable for people is not provided, more importantly, data information of the radar is completely anonymous, the method meets the requirements of related privacy regulations, the privacy problem caused by the use of a camera scheme can be avoided, the method is applied to more scenes which are not suitable for deploying the camera, such as personal rooms, even highly sensitive places such as toilets and rest areas, and any indoor privacy area can be covered.
Particularly, the system supports a data protocol for efficient packaging and transmission of two types of data, namely a millimeter wave radar intermediate processing result and a final detection result, based on Ethernet communication and CAN bus communication.
In particular, the heterogeneous data protocol adaptation technology is based on sensors and equipment with multiple systems and multiple protocols, so that data and instructions with different formats and protocols can be generated among the systems, and the instruction data is adapted to a universal protocol standard through protocol conversion, so that data interconnection and intercommunication are realized, the unique butt joint inlet of an external system and a measurement and control system is ensured, the complexity of instruction and data transmission is reduced, and the realizability of the system is improved.
Drawings
FIG. 1 is a functional block diagram of a personnel non-sensory heart rate monitoring system based on an autonomous development 77GHz millimeter wave radar;
fig. 2 is a functional block diagram of a personnel non-sensory heart rate monitoring system based on an autonomous research and development 77GHz millimeter wave radar, which performs platform management and display in a centralized manner in a private network manner.
Detailed Description
The above and further features and advantages of the present invention will be described in more detail below with reference to the accompanying drawings.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
Example 1
Referring to fig. 1, which is a functional block diagram of a system for monitoring a heart rate of a person without sensing based on an autonomously developed 77GHz millimeter wave radar according to the present invention, the management system of the present embodiment includes: the front-end sensing module is used for acquiring personnel detection echo data in a coverage range through independently researched and developed 77GHz millimeter wave radar sensor equipment arranged indoors and transmitting the detection echo data to relevant data processing equipment; the data processing module is used for processing the personnel detection echo data input by the front-end sensing equipment, completing data identification, data summarization, analysis and processing, and transmitting the processed heart rate monitoring data to the related display equipment; the display module is used for acquiring the heart rate monitoring data of the data processing module, providing an entrance for the system to use and operate, comprises a system platform end and a client end, and can manage and display system data through a B/S mode and a private network computer.
The management terminal and the identification terminal both adopt physical machines, the system adopts a private cloud deployment mode, the private cloud and the front-end sensing module equipment nodes communicate through a local area network, and after the data processing module deploys the server, the data processing module can access equipment in each field to the server in batches to realize horizontal expansion and finally realize uniform deployment and uniform management.
Specifically, the 77GHz millimeter wave radar is used for detecting the echo data of the person. The switch with the intranet switch is used for connecting communication between each equipment, wherein the intranet switch can provide private network for the user and communicate. The data processing server is used as centralized data management equipment, provides functions of equipment management, data management, record inquiry and the like, analyzes radar sensing data, actively detects in real time, feeds back results to the display device of the client through the switch through data summarization, processing and analysis, and simultaneously feeds back the sensing data to the system platform end through the intranet switch, so that data management and display can be performed through a B/S mode, a private network computer and a large screen.
Please refer to fig. 2, which is a functional block diagram of a personal non-sensory heart rate monitoring system for independently developing a 77GHz millimeter wave radar according to the present invention, wherein platform management and display are performed in a centralized manner in a private network manner. Wherein pass through the switch can realize the networking deployment of a plurality of 77GHz millimeter wave radar sensors, and the intranet switch can provide private network communication, through the intranet switch realizes the personnel's of a plurality of rooms and the communication of being connected of platform management end of noninductive heart rate monitoring system, realizes system extension, finally realizes unified deployment, unified management.
In this embodiment, networking deployment of a plurality of 77GHz millimeter wave radar sensors is realized by the switch.
In this embodiment, the intranet switch provides private network communication, and the intranet switch realizes the communication between the people's noninductive heart rate monitoring system in a plurality of rooms and the platform management end.
In this embodiment, the monitoring system supports a data protocol for efficient packing and transmission of two types of data, namely, a millimeter wave radar intermediate processing result and a final detection result, based on ethernet communication and CAN bus communication.
In this embodiment, the monitoring system is installed and deployed in rooms of an elderly care institution, a family of empty nesters, and a medical institution.
In this embodiment, the 77GHz millimeter wave radar sensor is mounted in a mattress, on a bed frame, or on a wall or ceiling of a toilet, bedroom, living room.
The heart rate monitoring system is applied to the fields of old people monitoring, medical health and the like, realizes heart rate monitoring on personnel in the coverage range of the old people, realizes non-inductive monitoring without wearing any equipment, provides an innovative solution for the application of medical health, intelligent old age care and the like, and further promotes the intelligent and informatization management level and the working efficiency of the indoor monitoring of the personnel.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can make equivalent changes or substitutions on the related technical features within the technical scope of the present invention, and the technical solutions after these changes or substitutions will fall within the scope of the present invention.
Claims (10)
1. The utility model provides a personnel's noninductive heart rate monitoring system based on independently research and development 77GHz millimeter wave radar which characterized in that includes:
the front-end sensing module is used for acquiring personnel detection echo data in a coverage range through independently researched and developed 77GHz millimeter wave radar sensor equipment arranged indoors and transmitting the detection echo data to relevant data processing equipment;
the data processing module is used for processing the personnel detection echo data input by the front-end sensing equipment, completing data identification, data summarization, analysis and processing, and transmitting the processed heart rate monitoring data to the related display equipment;
and the display module is used for acquiring the heart rate monitoring data of the data processing module, providing an entrance for the system to use and operate, and managing and displaying system data through a B/S mode and a private network computer.
2. The personnel non-sensory heart rate monitoring system based on the independent development of 77GHz millimeter wave radar of claim 1, wherein the front-end sensing module comprises:
acquiring personnel detection echo data in a coverage range through autonomously developed 77GHz millimeter wave radar sensor equipment arranged indoors, and transmitting the detection echo data to relevant data processing equipment;
and the data cable is used for connecting the 77GHz millimeter wave radar sensor and is connected to the data processing module in a bus mode.
3. The personnel non-sensory heart rate monitoring system based on the independent development of 77GHz millimeter wave radar according to claim 2, wherein the data processing module comprises:
the switch is used as central switching equipment and arranged between the front-end sensing module and the data processing module, and provides an electric signal switching channel between the two modules;
the intranet switch is arranged between the switch and the client and provides a special electric signal exchange channel for the client;
the data processing server is used as centralized management equipment, completes data identification, data summarization, analysis and processing, analyzes radar sensing data and completes the output of the monitoring data of the non-sensed heart rate of personnel;
and the network cable is used for connecting the devices.
4. The personnel-sensorless heart rate monitoring system based on the autonomously developed 77GHz millimeter wave radar of claim 3, wherein the presentation module comprises:
the system platform end provides an entrance for the system to use and operate through a B/S mode or a private network computer, and manages and displays the whole heart rate monitoring data;
and the client provides heart rate monitoring data display of the system and provides non-sensory heart rate monitoring data display information to the site through a site display screen or an interface.
5. The personnel non-sensory heart rate monitoring system based on the autonomously developed 77GHz millimeter wave radar according to claim 4, characterized in that the system adopts a private cloud deployment mode,
the private cloud and the front-end sensing module equipment node are communicated through a local area network, and after the data processing server is deployed by the data processing module, the private cloud and the front-end sensing module equipment node are accessed to the data processing server in batches through equipment in each site.
6. The personnel non-sensory heart rate monitoring system based on independent research and development of 77GHz millimeter wave radar of claim 5, characterized in that networking deployment of a plurality of 77GHz millimeter wave radar sensors is realized through the switch.
7. The personnel non-sensory heart rate monitoring system based on independently developing 77GHz millimeter wave radar of claim 6, characterized in that the intranet switch provides private network communication, and the intranet switch realizes the connection communication between the personnel non-sensory heart rate monitoring system in a plurality of rooms and the platform management terminal.
8. The personnel non-sensory heart rate monitoring system based on the independent research and development of the 77GHz millimeter wave radar as claimed in claim 9, wherein the monitoring system is based on Ethernet communication and CAN bus communication, and supports a data protocol for efficient packaging and transmission of two data, namely an intermediate processing result and a final detection result, of the millimeter wave radar.
9. The personnel sensorless heart rate monitoring system based on the autonomous development 77GHz millimeter wave radar as claimed in claim 8, wherein the monitoring system is installed and deployed in rooms of an elderly care institution, a home of empty nesters, and a medical institution.
10. The personnel sensorless heart rate monitoring system based on the autonomous development 77GHz millimeter wave radar of claim 9, wherein the 77GHz millimeter wave radar sensor is installed in a mattress, on a bed frame, or on a wall or a ceiling of a toilet, a bedroom, a living room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111625526.5A CN114403834A (en) | 2021-12-28 | 2021-12-28 | Personnel non-inductive heart rate monitoring system of 77GHz millimeter wave radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111625526.5A CN114403834A (en) | 2021-12-28 | 2021-12-28 | Personnel non-inductive heart rate monitoring system of 77GHz millimeter wave radar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114403834A true CN114403834A (en) | 2022-04-29 |
Family
ID=81269840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111625526.5A Pending CN114403834A (en) | 2021-12-28 | 2021-12-28 | Personnel non-inductive heart rate monitoring system of 77GHz millimeter wave radar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114403834A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014206382A1 (en) * | 2013-06-29 | 2014-12-31 | Vladimir Kranz | Live holter |
| CN109801413A (en) * | 2018-12-27 | 2019-05-24 | 北京航天福道高技术股份有限公司 | A kind of personnel based on face recognition technology are noninductive access management system |
| CN110609259A (en) * | 2019-10-15 | 2019-12-24 | 北京遥感设备研究所 | Vehicle-mounted millimeter wave radar test system |
| CN112014837A (en) * | 2020-08-03 | 2020-12-01 | 杭州电子科技大学 | Sign contactless intelligent monitoring system based on millimeter wave radar |
-
2021
- 2021-12-28 CN CN202111625526.5A patent/CN114403834A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014206382A1 (en) * | 2013-06-29 | 2014-12-31 | Vladimir Kranz | Live holter |
| CN109801413A (en) * | 2018-12-27 | 2019-05-24 | 北京航天福道高技术股份有限公司 | A kind of personnel based on face recognition technology are noninductive access management system |
| CN110609259A (en) * | 2019-10-15 | 2019-12-24 | 北京遥感设备研究所 | Vehicle-mounted millimeter wave radar test system |
| CN112014837A (en) * | 2020-08-03 | 2020-12-01 | 杭州电子科技大学 | Sign contactless intelligent monitoring system based on millimeter wave radar |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20240047085A1 (en) | Communication system for patient support apparatuses | |
| Yan et al. | Wireless sensor network based E-health system-implementation and experimental results | |
| US20210057093A1 (en) | Remote monitoring systems and methods for elderly and patient in-home and senior living facilities care | |
| Chan et al. | A review of smart homes—Present state and future challenges | |
| Sebestyen et al. | eHealth solutions in the context of Internet of Things | |
| Virone et al. | An assisted living oriented information system based on a residential wireless sensor network | |
| US20100160744A1 (en) | Biological signal sensor apparatus, wireless sensor network, and user interface system using biological signal sensor apparatus | |
| JP2003179546A (en) | Method and apparatus for accessing medical resource data | |
| Gogate et al. | Smart healthcare monitoring system based on wireless sensor networks | |
| Palumbo et al. | AAL middleware infrastructure for green bed activity monitoring | |
| US10959645B2 (en) | Methods and systems for locating patients in a facility | |
| KR20070084019A (en) | A system of devices comprising a plurality of sensor devices communicating with a central gateway device | |
| Rahman et al. | Internet of things based electrocardiogram monitoring system using machine learning algorithm | |
| Velrani et al. | Sensor based healthcare information system | |
| Esch | A survey on ambient intelligence in healthcare | |
| Cheng et al. | An improved localization algorithm with wireless heartbeat monitoring system for patient safety in psychiatric wards | |
| CN114403834A (en) | Personnel non-inductive heart rate monitoring system of 77GHz millimeter wave radar | |
| Vistro et al. | Tertiary care hospital monitoring system using wireless sensors | |
| Li et al. | A health gateway for mobile monitoring in nursing home | |
| NL2005784C2 (en) | Locating and tracking system. | |
| TWM625774U (en) | Care-giving detection system based on deep image-based behavior analysis of care recipients | |
| KR20230128024A (en) | Sensors and systems for monitoring | |
| Marandi et al. | Internet of Things and Healthcare 4.0 Based on a Real-time model Study in the Smart Retirement Village | |
| WO2019156665A1 (en) | Methods and systems for locating patients in a facility | |
| Mastrogiovanni et al. | The SHELL project: A secure habitat for an enhanced long living: Design, implementation and guidelines for a new concept of people assistance |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220429 |
|
| RJ01 | Rejection of invention patent application after publication |