CN113673644A - Behavior sensing method and device based on radio frequency identification - Google Patents
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Abstract
The invention discloses a behavior sensing method and device based on radio frequency identification, wherein the method and device can be used for indoor life monitoring of the elderly living alone, indoor life monitoring of disabled people and the like. The invention is convenient to be deployed in indoor environment, and can accurately find the position of a user and perform real-time visual positioning display through intelligent equipment; the method of the invention does not need the user to wear the equipment, adopts a passive sensing mode to monitor the behavior, and has convenient operation.
Description
Technical Field
A behavior sensing method and device based on radio frequency identification belong to the technical field of indoor positioning application.
Background
The aging of the current Chinese society is more and more serious, and the requirements of people on the industry for the aged are gradually improved along with the improvement of living conditions. The development and the perfection of the elderly care service industry are certainly promoted, for the elderly living alone or the elderly living alone with limited mobility, in order to concern about the safety state of the elderly living alone in real time, the mainstream design is to further process data obtained by wearable equipment and an environmental camera, and to adopt different types of sensing equipment and related algorithms to construct activity detection systems for different specific applications. Indoor activity detecting system based on wearing equipment and environment camera has high invasiveness, interferes old man's privacy of living, can bring psychological burden for some old man. For example, in the indoor old people falling detection research based on video in the limousine lucrative of Hangzhou electronic science and technology university, the system mainly judges according to images, a video camera or a human body image collected by the video camera is installed in a certain area, the image characteristics of the human body when falling is analyzed, whether the falling occurs or not is judged, the system cannot restrict the activity of the human body, but the detection range is limited, the privacy is easily exposed, and the protection of the mind health and privacy right of an exclusive person is not facilitated.
Therefore, a set of behavior sensing system and method is urgently needed, and family members and guardians can conveniently know the health and safety related living states of the old and the people with mobility disabilities under the condition of not interfering with the privacy of life.
Radio Frequency Identification (RFID) is a communication technology that performs contactless two-way communication in a Radio Frequency manner to achieve the purpose of Identification and exchange data, and can identify a high-speed moving object or a stationary object and identify multiple targets at the same time. The typical RFID system mainly comprises three parts, namely an electronic Tag (Tag), a Reader (Reader) and a data processing subsystem; the reader sends a radio frequency signal with a certain frequency through the transmitting antenna, when the label enters a working area of the transmitting antenna, induced current is generated, and the label is activated by acquiring energy; the tag sends out information such as self coding and the like through a built-in sending antenna; the system receiving antenna receives a carrier signal sent from the tag, the carrier signal is transmitted to the reader through the antenna regulator, and the reader demodulates and decodes the received signal and then sends the demodulated and decoded signal to the data processing subsystem for relevant processing; the data processing subsystem judges the validity of the label according to the logical operation and performs corresponding processing and control aiming at different settings. Compared with the traditional bar code technology, the RFID has the advantages of water resistance, magnetism prevention, high temperature resistance, long service life, long reading distance, data encryption, large storage data capacity, convenience in storage information change and the like, and can support quick reading and writing, non-visual identification, mobile identification, multi-target identification, positioning and long-term tracking management. At present, the RFID technology is widely applied to traffic and logistics automobile theft prevention, entrance guard, safety management systems and the like.
The patent with publication number CN109102878A discloses a solitary old people monitoring system based on an active RFID electronic tag, the remote monitoring system includes a remote cloud platform, a host and a data acquisition device, the data acquisition device includes a wearable device with an active electronic tag and a fixed device with a fixed reader-writer; the heart rate information of the old people is transmitted to the host by adopting the active electronic tag, so that the health information of the old people can be monitored in real time. But such monitoring functions are single and require the person being monitored to wear an active electronic tag at any time.
Disclosure of Invention
The prior art does not have a behavior perception method which is not easy to expose the privacy of the person under guardianship and does not need the person under guardianship to wear an identification device. Therefore, in order to overcome the defects in the prior art, the invention aims to solve the technical problem of providing a behavior sensing method and device based on radio frequency identification, which adopt a passive mode to perform behavior monitoring and realize visual display of monitoring data through an intelligent terminal.
In order to solve the technical problem, the behavior sensing method based on radio frequency identification of the present invention is used for background processing equipment, and the method includes:
acquiring label information identified by an RFID reader, wherein the label information comprises the strength and the phase of a label signal, and preferably acquiring the label information identified by the RFID reader in a wireless communication module manner;
outputting a corresponding behavior recognition result according to a preset behavior perception model, uploading the behavior recognition result to an intelligent terminal program, and realizing real-time display of the behavior recognition result; the tag information identified by the RFID reader is information transmitted by the RFID reader through the wireless communication module after receiving the tag information sent by the RFID tag;
the RFID tag sends tag information which is a corresponding signal output by the RFID tag after a sensing behavior main body approaches or touches the RFID tag, the tag information sent by the RFID tag contains positioning information, and the RFID reader can acquire the RFID tag positioning information; the RFID tag and the RFID reader are fixedly arranged at a position needing to be sensed.
In order to solve the above technical problems, the behavior sensing apparatus based on rfid of the present invention, that is, the background processing device, includes: the device comprises a device for receiving tag information identified by an RFID reader, wherein the tag information identified by the RFID reader is information transmitted by the RFID reader through a wireless communication module after receiving the tag information sent by an RFID tag; the label information sent by the RFID label is a corresponding signal output by the RFID label after the sensing behavior main body approaches or touches the RFID label, and the label information sent by the RFID label contains positioning information; the device is used for outputting a corresponding behavior recognition result according to a preset behavior perception model; and the device is used for uploading the behavior recognition result to the intelligent terminal program.
As an improvement of the method or the device, the RFID label is a modified RFID label additionally provided with an induction resistor, and a pressure-sensitive, photosensitive and temperature-sensitive resistor is accessed by cutting an antenna in the label; directly affecting the resistance of the sensor with changes in the corresponding external environment, including changes in pressure, light, or temperature, thereby changing the performance inside the tag, correspondingly manifested as a change in the Received Signal Strength (RSS) detected at the RFID reader or the phase of the reflected RFID signal; the change of the external environment is directly reflected through the change of a monitoring signal (RSS) or a reflected RFID signal, and the modified RFID label does not need to use a power supply and is a low-cost sensor.
Based on the modification of the RFID tag, the behavior perception model can comprise any one or more of a personal hygiene behavior perception model, a diet behavior perception model, a toilet behavior perception model, an emergency alarm analysis model, a bed-in time duration behavior perception model, a sedentary time duration behavior perception model, a cooking behavior perception model, an indoor positioning analysis model and a television watching behavior perception model.
As an improvement of the method or the device, the intelligent terminal is displayed as a WeChat applet platform in a visual mode.
Has the advantages that:
firstly, by utilizing the invention, signals are collected through the RFID tag and are transmitted to the reader, and the indoor living condition of the monitored person can be checked by utilizing the WeChat applet, so that the guardian can conveniently know the living condition of the monitored person and discover potential safety hazards and potential health hazards in time, the method is convenient for the guardian to obtain various behavior information of the monitored person on the premise of not invading the privacy of the monitored person, and the real-time perception of the behavior information of the monitored person is realized;
secondly, the monitored person does not need to wear equipment, the invention can effectively avoid behavior monitoring data loss caused by the fact that the monitored person loses the wearing equipment or damages the wearing equipment, and the execution difficulty of the monitoring scheme is reduced;
finally, the invention can be applied to the smart home system of the smart city to ensure the home safety of the monitored person such as the elderly living alone; and can also be used for monitoring the indoor life of the disabled.
Drawings
FIG. 1 is a flow chart of information transmission of the behavior sensing method based on RFID according to the present invention;
FIG. 2 is a circuit diagram of a passive RFID tag retrofit in an embodiment of the present invention;
FIG. 3 is a flow chart of a method for sensing long-term sitting behaviors according to a preferred embodiment of the present invention;
fig. 4 is a health monitoring system architecture based on rfid behavior awareness according to an embodiment of the present invention.
Detailed Description
Embodiments and examples of the present invention are described in detail below with reference to fig. 1 to 4. For the convenience of the following description, some basic definitions of terms are first given:
the mobile terminal indicates computer equipment which can be used in moving, and the computer equipment comprises a mobile phone, a notebook, a tablet computer and the like;
the background processing device represents the software components of the RFID system, including application software, enterprise application interfaces, middleware, and underlying hardware-facing driver interfaces.
Relating to system architecture
Fig. 4 shows a health monitoring system architecture based on rfid behavior sensing, which is composed of a sensing layer at the bottom layer to an application layer at the top layer:
the sensing layer is the daily behavior (time) of the user to be detected, such as sitting and lying, drinking water, washing and the like. For example, RFID tags which are arranged on doors and windows and are modified by combining piezoresistors can sense whether the old people have actions of opening corresponding objects; the RFID tag which is arranged near the cooking bench and is transformed by combining a temperature sensor can detect whether the old people have the action of opening the gas; the location of the elderly can be determined and their mobility judged, etc., by reading changes in the RSS values through the RFID reader.
The data layer is user daily behavior data acquired by hardware devices such as tags and readers. The original data comprises data which can be directly sensed by RSS value, temperature, switch, power on/off, pressure and the like.
The characteristic data is mapping or abstraction of original data along with the deployment position of the RFID tag and the reader in a room so as to represent the position, the activity and the static state and the daily life action of the old. These data are an important basis for reasoning about daily behavior.
The behavior analysis layer is used for judging the user behavior by jointly analyzing the data collected from the plurality of labels. If the label data at the door handle and the light switch of the toilet has characteristic changes, the user is indicated to enter the toilet; if the label data at the toilet seat and the flushing button has characteristic changes, the behavior of the user like toilet can be further indicated. Meanwhile, the duration of part of daily behaviors of the user can be obtained by processing the tag data. For example, the long-term characteristic change of the label on the sofa indicates that the user has sedentary behavior; the time of the long-time characteristic change of the label of the bed head can be calculated to obtain the lying time of the user.
The application layer uploads the behavior reasoning result of the behavior analysis layer to the mobile terminal. Items such as activity monitoring, diet monitoring, indoor positioning, safety reminding, emergency alarming, falling reminding and the like are respectively arranged for users to look up information.
As shown in fig. 1, the system includes an RFID tag, an RFID reader, a wireless communication module, a background processing device, and an intelligent terminal; the RFID tag is used for acquiring original data of indoor behaviors of a monitored person, the RFID reader is used as an intermediary for information transmission, and the intelligent terminal is embodied as a WeChat applet and used for displaying monitoring data and interacting with a user.
As shown in FIG. 1, the working process of the invention is that N RFID tags are arranged at the indoor position to be detected, wherein N is equal to or larger than 1; then, installing RFID readers in a sensible range near the tags for reading RFID tag information, wherein one RFID reader can only read 1 piece of RFID tag information and can also read a plurality of pieces of RFID tag information, so that the installation number N of the RFID readers is less than or equal to N; the monitored person can send a signal to an RFID reader after approaching or touching the tag, and the reader acquires ID information of the RFID tag of the article and transmits the information to the background processing equipment through the wireless communication module; the background processing equipment automatically analyzes data according to a preset program, generates an indoor activity trace graph or other behavior recognition results of the old people, uploads an intelligent terminal, and can be multiple, so that multiple guardians can conveniently monitor the old people, health and safety reminding can be provided for the person under guardianship, and both the guardianship and the person under guardianship can display real-time monitoring results through the WeChat applet platform and check reasonable suggestions.
Regarding RFID tag modifications
The RFID tag modification schematic diagram is shown in FIG. 2, three positions a, b and c in the diagram are potential antenna cutting points, and in order to realize more behavior perception functions, the traditional RFID tag is modified; after the internal antenna of the label is cut, the pressure-sensitive, temperature-sensitive and photosensitive are accessed, and the pressure-sensitive, temperature-sensitive and photosensitive are changed into a sensor without a battery, a wireless sensor and low cost; the method is simple and applicable and has wide application range. Cutting, namely c point, at the chip closest to the label is preferable, so that the change of the phase and RSS value of the label is most sensitive to the change of the resistance value; after connecting corresponding resistors, fixing the resistors by using adhesive tapes;
pressure-sensitive and temperature-sensitive resistor model: selecting the resistance range from 0 to 250 ohms and the capacitance variation range from 0 to 10 pF;
the type of the photoresistor is as follows: the parasitic capacitance of the phototransistor (OSRAMSFH3710) varies from 0pF to 100 pF. Therefore, a 10pF capacitor is selected in series with the phototransistor to limit the range from 0pF to 10 pF.
As the pressure or illumination changes, this affects the resistance of the sensor and therefore the performance of the antenna; this detects a change in the Received Signal Strength (RSS) or phase of the reflected RFID signal at the reader. Thus, the value of the sensor is estimated by monitoring the change in these signals.
Human health behavior perception method
At least 1 label with a piezoresistor is respectively arranged on a water tap of a shower area and a ground cushion right below the shower nozzle; when a monitored person touches a label on a water faucet, the resistance value of the piezoresistor changes due to pressure, the strength and the phase of a label signal also change, the behavior of the monitored person for opening the water faucet is recorded according to the change of the signal, when the monitored person stands on a floor mat right below a shower nozzle, the resistance value of the piezoresistor changes due to pressure, the strength and the phase of the label signal also change, whether the behavior body stands on the floor mat or not is judged according to the information change of the label, whether the behavior body finishes the shower behavior or not is comprehensively judged according to the information of the two labels, the condition that the behavior body only opens the water faucet but does not take a bath or does not open the water faucet when the behavior body stands on the floor mat can be basically eliminated, and the behavior perception accuracy of the system is improved.
Method for sensing toileting behavior
At least 1 label with piezoresistor is respectively arranged at the bearing position on the toilet bowl and on the flushing button, and when the labels at two positions are subjected to signal change, the behavior main body can be shown to finish the toilet behavior.
Method for sensing time duration behaviors of sedentary and lying
At least 1 label with piezoresistor is respectively arranged on the surface of the chair and the supporting leg of the bed for recording the sitting time or the lying time of the user, the data is used for updating background data in real time, and the bedridden time and the sedentary time of the day are displayed on a small program. The entry can realize 'sedentary reminding' and 'sitting and lying time statistics on the day'.
As shown in fig. 3, as a preferred embodiment, the sedentary duration behavior sensing method may specifically adopt the following workflow:
the method comprises the following steps: before the system is used, the information initialization is carried out on the activity detection module in a questionnaire mode by combining the wishes of users and old people and the deployment labels of general deployment points, such as the positions of the old people who sit and lie frequently and the like.
Step two: and the program judges the state of the user according to the change of the RSS values of the labels with different numbers so as to realize behavior perception. The tags deployed on the chair and the bed are respectively used for recording the sitting and lying time of the user and updating the background data in real time by using the data.
And thirdly, judging whether the sitting and lying time exceeds the set upper limit of the duration. If the time exceeds the preset time, the user or the user guardian is immediately informed of the long-time sitting and long-time lying condition through the small program information; if not, the time length of single sitting and lying and the time length of sitting and lying all day are counted in real time, and the current state and the time length of sitting and lying of the old are displayed by the small program.
Method for sensing emergency alarm behavior
The labels with the piezoresistors are arranged on the surfaces of walls or furniture which are close to the positions where the behavior body is easy to fall accidentally and the positions where the behavior body is easy to touch when the behavior body cannot stand after sudden diseases, so that a user can give an alarm actively by pressing in an emergency, the labels receive signal changes caused by pressing of a person under guardianship, and the background can sense the alarm signal of the behavior body; if the person under guardianship has an alarm behavior, the small program sends the help-seeking information of the person under guardianship to the user so that the user can implement rescue measures in time;
in a preferred embodiment, the label surface is provided with a striking alarm mark for prompting the behavior body to press in an emergency and not touch in a non-emergency.
Indoor motion trajectory sensing method
For example, the positions of the monitored persons are sensed through door handles, light switches and other indoor tags which are arranged in various rooms, so that indoor positioning is realized, and an indoor track graph of the monitored persons is displayed on a small program.
Method for sensing television watching behavior
In combination with behavior perception realized by the RFID label of the photoresistor, the label with the photoresistor is deployed at the edge of the television screen; when the person under guardianship uses the television, the screen of the television emits strong light, the resistance value of the photoresistor changes due to the change of the light intensity, and the intensity and the phase position of the label signal also change. Therefore, whether the monitored person uses the television or not is sensed, whether long-time watching exists or not is judged according to the state duration, and whether sedentary behavior exists or not can be indirectly reflected.
Method for sensing cooking behavior
The behavior perception is realized by combining an RFID label with a temperature-sensitive resistor, and the label with the temperature-sensitive resistor is arranged near a gas cooking bench. When a monitored person turns on the gas cooker for cooking, the temperature near the cooking bench can be increased, and the resistance value of the temperature-sensitive resistor can be changed, so that the signal intensity and the phase of the label are changed. This allows the cooking behaviour of the person under guardianship to be perceived.
Drinking behavior sensing method
The label with the piezoresistor is arranged at the dining room table, chair and water dispenser; when a person under guardianship touches a label on the kettle while drinking water, the resistance value of the piezoresistor changes due to the pressure applied to the label, and the strength and the phase position of a label signal also change. The change of the signal is used for sensing the drinking behavior of the monitored person. And so on.
Behavior perception method about potential safety hazard
If the gas switch and the labels arranged on the windows of all rooms are used for judging whether the gas is closed and whether all the windows are closed within the time set by a user; if the gas is detected not to be closed, the small program sends a 'gas not closed prompt'; if it is detected that the window is not closed, the applet will send a "window not closed reminder".
As a preferred embodiment, an RIFD tag modified by combining a temperature sensor is arranged on the edge of a gas stove, when a monitored person uses the gas stove, the temperature of the gas stove can reach 600 ℃ generally, related parameters of the tag are changed, and the using time of the gas stove can be counted after the tag is read by a reader; according to living experience and personal habits of behavior perception objects, food just taken out of a stove can be cooled in about one hour, and the condition that the use time of the gas stove is within 1 hour is considered as a cooking behavior; when the gas stove is used for 2 hours or more, the risk of not closing the gas exists, the gas is required to be reminded that the gas is not closed, the behavior perception object can operate according to the actual situation, and if the gas is really forgotten to be closed, the gas can be immediately ventilated and closed; if other situations comprise soup cooking and medicine boiling, the reminding information can be manually closed through the terminal under the condition that the gas is required to be used for a long time.
In addition, by presetting the time limit information such as the habit dining time, the habit sleeping time, the gas check time, the window check time and the like of the monitored person, the program can conveniently remind and collect data in the corresponding time period.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A behavior perception method based on radio frequency identification is used for background processing equipment, and is characterized in that the method comprises the following steps:
the method comprises the steps of obtaining tag information identified by an RFID reader, outputting a corresponding behavior identification result according to a preset behavior perception model, uploading the behavior identification result to an intelligent terminal program, and displaying the behavior identification result in real time; the tag information comprises the strength and phase of a tag signal;
the tag information identified by the RFID reader is information transmitted by the RFID reader through the wireless communication module after receiving the tag information sent by the RFID tag;
the tag information sent by the RFID tag is a corresponding signal output by the RFID tag after the sensing behavior main body approaches or touches the RFID tag, and the tag information sent by the RFID tag contains positioning information.
2. The method of claim 1, wherein the behavior awareness model comprises a personal hygiene behavior awareness model, the RFID tag comprises a tag with a pressure sensitive resistor, at least 1 tag with a pressure sensitive resistor is disposed on a water faucet of the shower area and a floor mat right below the shower head, and whether the behavior body completes the shower behavior is judged according to information change of the tags.
3. The method according to claim 1, wherein the behavior perception model comprises a toileting behavior perception model, the RFID tag comprises a tag with a piezoresistor, at least 1 tag with the piezoresistor is respectively arranged at a bearing position on a toilet bowl and a flushing button, and whether a behavior body finishes the toileting behavior or not is judged according to the information change of the tag.
4. The method according to claim 1, wherein the behavior perception model comprises a long sitting and lying time behavior perception model, the RFID tags comprise tags with piezoresistors, at least 1 tag with piezoresistors is respectively arranged on the surface of the chair and the supporting feet of the bed and used for recording the sitting or lying time of the user, and the background data is updated in real time by the tags.
5. The method as claimed in claim 1, wherein the behavior perception model comprises an emergency alarm behavior perception, the RFID tags comprise tags with piezoresistors, and a plurality of tags with piezoresistors are arranged on the surface of a wall or furniture, which is closest to a position where the behavior subject is prone to accidentally fall and a position where the behavior subject is prone to touch when the behavior subject cannot stand after sudden illness, and can sense alarm signals of the behavior subject after receiving signal changes caused by pressing of a monitored person.
6. The method of claim 5, wherein the label surface is provided with distinctive warning indicia that alert the behavioral entity to press in an emergency and not touch in a non-emergency.
7. The method as claimed in claim 1, wherein the behavior perception model comprises an indoor motion track perception model, the RFID tags comprise tags with piezoresistors, a plurality of tags with piezoresistors are arranged on door handles and light switches of all rooms, behavior subjects are judged according to information changes of the tags to perceive the positions of the monitored persons, indoor positioning is achieved, and an 'indoor track graph of the monitored persons' is displayed on an intelligent terminal program.
8. The method according to claim 1, wherein the behavior perception model comprises a television watching behavior perception model, the RFID tag comprises a tag with a photoresistor, at least 1 tag with a photoresistor is arranged at the edge of a television screen, the change of the light intensity of the television screen causes the resistance value of the photoresistor to change, the intensity and the phase of a tag signal change accordingly, and whether the behavior of long-time watching exists is judged according to the duration of the state.
9. The method as claimed in claim 1, wherein the behavior perception model comprises a viewing safety hazard behavior perception model, the RFID tag comprises a tag with a temperature-sensitive resistor, an RIFD tag modified with a temperature sensor is arranged at the edge of the gas stove, when the monitored person uses the gas stove, the temperature rise causes the tag signal to change, and the reader can count the use time of the gas stove after reading.
10. Behavior sensing device based on radio frequency identification, namely background processing equipment, characterized in that the background processing equipment comprises: the system comprises a first module for receiving tag information identified by an RFID reader, and a second module for outputting a corresponding behavior identification result according to a preset behavior perception model; and the third module is used for uploading the behavior recognition result to an intelligent terminal program.
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| CN202110958980.6A CN113673644A (en) | 2021-08-20 | 2021-08-20 | Behavior sensing method and device based on radio frequency identification |
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| CN113673644A true CN113673644A (en) | 2021-11-19 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202145316U (en) * | 2011-08-05 | 2012-02-15 | 苏州大学 | Old man care system based on RFID technology |
| CN102722748A (en) * | 2012-06-01 | 2012-10-10 | 北京物资学院 | RFID label with photosensitive device, RFID system and illumination detection method |
| CN102915463A (en) * | 2012-09-18 | 2013-02-06 | 盛世铸成科技(北京)有限公司 | Sensing passive tag |
| CN111797963A (en) * | 2020-07-10 | 2020-10-20 | 中电科技集团重庆声光电有限公司 | Impedance type wireless passive sensor |
-
2021
- 2021-08-20 CN CN202110958980.6A patent/CN113673644A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202145316U (en) * | 2011-08-05 | 2012-02-15 | 苏州大学 | Old man care system based on RFID technology |
| CN102722748A (en) * | 2012-06-01 | 2012-10-10 | 北京物资学院 | RFID label with photosensitive device, RFID system and illumination detection method |
| CN102915463A (en) * | 2012-09-18 | 2013-02-06 | 盛世铸成科技(北京)有限公司 | Sensing passive tag |
| CN111797963A (en) * | 2020-07-10 | 2020-10-20 | 中电科技集团重庆声光电有限公司 | Impedance type wireless passive sensor |
Non-Patent Citations (1)
| Title |
|---|
| 金钊: "基于无源被动定位方法的老年人室内监护系统研究", 中国优秀硕士学位论文全文数据库 信息科技辑, pages 140 - 64 * |
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Application publication date: 20211119 |