CN105700488B - A kind of processing method and system of target body action message - Google Patents

A kind of processing method and system of target body action message Download PDF

Info

Publication number
CN105700488B
CN105700488B CN201410705746.2A CN201410705746A CN105700488B CN 105700488 B CN105700488 B CN 105700488B CN 201410705746 A CN201410705746 A CN 201410705746A CN 105700488 B CN105700488 B CN 105700488B
Authority
CN
China
Prior art keywords
target body
action
monitoring
action message
mode
Prior art date
Application number
CN201410705746.2A
Other languages
Chinese (zh)
Other versions
CN105700488A (en
Inventor
吴娜
李连源
许利群
Original Assignee
中国移动通信集团公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中国移动通信集团公司 filed Critical 中国移动通信集团公司
Priority to CN201410705746.2A priority Critical patent/CN105700488B/en
Publication of CN105700488A publication Critical patent/CN105700488A/en
Application granted granted Critical
Publication of CN105700488B publication Critical patent/CN105700488B/en

Links

Abstract

The present invention provides a kind of processing methods and system of target body action message, are related to technical field of information processing, this method includes:Obtain the action message of target body indoors;The zone of action of target body indoors is determined according to the action message;It obtains behavioral data of the target body in determining zone of action and the mode of monitoring of target body is determined according to the behavioral data.The solution of the present invention can take different mode of monitoring for target body in different regions, be acquired in real time to the behavioral data of target body, while protecting target body privacy, moreover it is possible to improve the accuracy to target body abnormality detection.

Description

A kind of processing method and system of target body action message

Technical field

The present invention relates to the processing method of technical field of information processing more particularly to a kind of target body action message and it is System.

Background technology

Related product is guarded in existing old man room mainly following technological deficiency:

Problem one:Based on the system that custodial care facility, medical sign device acquire old man's behavioral data and sign data, in real time Property is not high, is easy to ignore old man's foudroyant disease and the abnormal conditions of burst.

Problem two:Using the old solitary people safety custody system based on omni-directional visual, need to expend more calculating money Source is related to privacy concern, and the behavioural analysis accuracy rate of emergency is difficult in actual use in some scenarios Ensure.

Problem three:The purpose of the AAL JP (actively with auxiliary life plan) in Europe is to solve aging by science and technology to bring A series of problems, allow old man to live more comfortable.Wherein 2013 sub-project CARE:Safe Private Homes for Elderly Persons are investigated early period, and interviewee indicates that falling down detection for the old man that stays at home has specific need It asks, and actual detecting system (such as, wearable system) effect and unsatisfactory.

Invention content

The technical problem to be solved in the present invention is to provide a kind of processing method and system of target body action message, according to Target body is located at different location, can be in real time detected to target body using different mode of monitoring, ensure that target The privacy of human body improves the accuracy detected to target body.

In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that:

A scheme according to the present invention provides a kind of processing method of target body action message, including:

Obtain the action message of target body indoors;

The zone of action of target body indoors is determined according to the action message;

It obtains behavioral data of the target body in determining zone of action and target person is determined according to the behavioral data The mode of monitoring of body.

Optionally, the step of obtaining target body action message indoors include:Mesh is detected by infrared sensor Mark the action message of human body indoors.

Optionally, the zone of action includes first area, second area and third region.

Optionally, behavioral data of the target body in determining zone of action is obtained, according to the behavioral data, is determined The step of mode of monitoring of target body includes:

If the target body at first area, obtains the acceleration information of target body in the first region;

According to the acceleration information, determines and the first mode of monitoring is used to target body.

Optionally, according to the acceleration information, determine that the step of using the first mode of monitoring to target body includes:

If the acceleration information exceeds the first preset threshold range, a triggering control instruction is generated;

According to the control instruction, the video counts of a target body movable preset time period in the first region are obtained According to;

The video data is handled, if the video data shows that the target body is in the first posture, Warning message is sent to remote mobile terminal.

Optionally, the step of obtaining target body acceleration information in the first region include:

The trivector parameter of the acceleration of target body is obtained by acceleration transducer;

Pass through formula:The acceleration data of target body are obtained, wherein SVM is acceleration Data, axFor the acceleration on front-rear direction, ayFor the acceleration on left and right directions, azFor adding on vertical direction Velocity vector.

Optionally, behavioral data of the target body in determining zone of action is obtained, according to the behavioral data, is determined Include to the step of mode of monitoring of target body:

If the target body in second area, obtains the acceleration information of target body in the second area;

If the acceleration information be less than the second preset threshold range, obtain the target body heart rate information and/ Or dormant data;

According to acceleration information, heart rate information and/or the dormant data of target body in the second area, determine to target Human body uses the second mode of monitoring.

Optionally, acceleration information, heart rate information and/or the dormant data according to target body in the second area, really It is fixed to include using the step of the second mode of monitoring to target body:

If the acceleration information exceeds third beyond the second preset threshold range or heart rate information and/or dormant data Preset threshold range then sends warning message to remote mobile terminal.

Optionally, behavioral data of the target body in determining zone of action is obtained, according to the behavioral data, is determined Include to the step of mode of monitoring of target body:

If the target body at third region, obtains target body behavioral data in third region;

According to behavioral data of the target body in third region, determines and third monitoring side is used to target body Formula.

Optionally, the behavioral data according to the target body in third region determines and uses third to target body The step of mode of monitoring includes:

If the behavioral data exceeds the 4th preset threshold range, warning message is sent to remote mobile terminal.

Other side according to the present invention additionally provides a kind of processing system of target body action message, including:

Acquisition module, for obtaining the action message of target body indoors;

Locating module, for determining the zone of action of target body indoors according to the action message;

Monitoring module, for obtaining behavioral data of the target body in determining zone of action, according to the behavior number According to determining the mode of monitoring of target body.

Optionally, the acquisition module carries out analysis by cloud platform end and obtains the action message of target body indoors; The locating module is acquired video data by monitor terminal and determines the zone of action of target body indoors in real time;The monitoring Module converges the behavioral data of the target body of acquisition by gateway, determines the mode of monitoring to target body.

The beneficial effects of the invention are as follows:

The processing method of target body action message in the present invention program, by obtaining the activity of target body indoors Information can determine the zone of action residing for target body, and then the zone of action residing for target body is using different Mode of monitoring.The processing method for the target body action message that the solution of the present invention provides can either protect target body privacy, The behavioral data of target body can be acquired in real time again, improve the accuracy of testing result.

Description of the drawings

Fig. 1 shows the flow charts of the processing method of target body action message in the embodiment of the present invention;

Fig. 2 indicates the monitoring flow chart of the first mode of monitoring in the embodiment of the present invention;

Fig. 3 indicates the structure diagram of the first mode of monitoring in the embodiment of the present invention;

Fig. 4 indicates the monitoring flow chart of the second mode of monitoring in the embodiment of the present invention;

Fig. 5 indicates the monitoring flow chart of third monitoring at that time in the embodiment of the present invention;And

Fig. 6 indicates the structure diagram of the processing system of target body action message in the embodiment of the present invention.

Specific implementation mode

To make the object, technical solutions and advantages of the present invention clearer, right below in conjunction with the accompanying drawings and the specific embodiments The present invention is described in detail.

Embodiment one

The embodiment of the invention discloses a kind of processing methods of target body action message, as shown in Figure 1, method 100 is wrapped Include following steps:

Step S101, the action message of target body indoors is obtained;

Specifically, it obtains the action message (step S101) of target body indoors and target is detected by infrared sensor The action message of human body indoors.

Step S103, the zone of action of target body indoors is determined according to action message;

Specifically, zone of action includes:First area, second area and third region.In embodiments of the present invention, first Region is the lower regions of degree of privacy such as parlor, kitchen, corridor, and second area and third region are the higher area of degree of privacy Domain, wherein second area is bedroom, and third region is toilet, it is of course possible to understanding, in an embodiment of the present invention, To range included by first area, second area, third region and without specifically limiting.

Step S105, it obtains behavioral data of the target body in determining zone of action and mesh is determined according to behavioral data Mark the mode of monitoring of human body.

In embodiments of the present invention, infrared sensor detects the infrared ray of target body radiation, can determine target Human body region acquires the action message of target body indoors in real time.It, can be right for different zone of action Target body uses different mode of monitoring.Therefore, when target body is in bedroom or the higher area of toilet degree of privacy When domain, mode of monitoring appropriate can be taken, to ensure the privacy of target body.

Specifically, in embodiments of the present invention, behavioral data of the target body in determining zone of action is obtained, according to Behavioral data determines that the mode of monitoring (step S105) of target body includes:

If target body at first area, obtains the acceleration information of target body in the first region;

According to acceleration information, determines and the first mode of monitoring is used to target body.

Wherein, according to acceleration information, determination is specially using the first mode of monitoring to target body:

If acceleration information exceeds the first preset threshold range, a triggering control instruction is generated;

According to control instruction, the video data of a target body movable preset time period in the first region is obtained;

Video data is handled, if video data display target human body is in the first posture, to remote mobile end End sends warning message.

According to acceleration information, determination is specially using the first mode of monitoring to target body:

The trivector parameter of the acceleration of target body is obtained by acceleration transducer;

Pass through formula:The acceleration data of target body are obtained, wherein SVM is acceleration Data, axFor the acceleration on front-rear direction, ayFor the acceleration on left and right directions, azFor adding on vertical direction Velocity vector.

Wherein, the first predetermined threshold value, that is, target body is default according to the normal activity states of target body at first area Acceleration range.

Specifically, as shown in Figure 2 and Figure 3, the specific monitoring flow of the first mode of monitoring is as follows, first, by target body with The trivector for the acceleration transducer acquisition target body acceleration that body is worn, passes through formula: Calculate the vector acceleration mould of target body, wherein SVM is acceleration information, axFor the acceleration on front-rear direction, ayFor the acceleration on left and right directions, azFor the acceleration on vertical direction.By calculated acceleration and add Speed preset threshold range is compared, if the vectorial mould of acceleration in preset threshold range, continue to target body into Warning message is sent to gateway, and touch by row detection if vector acceleration mould exceeds preset threshold range by wireless network Video data transmission instruction is sent out, and obtains the video data in preset time, after gateway is converged the video data, hair It is sent to cloud platform end.

Then, cloud platform end carries out this section of video data to fall down detection and analysis, mainly passes through background modeling, moving object It detects the method realized with tracking, Activity recognition to be detected this section of video, judges whether target body falls down, if foundering, Then the key frame of video fallen down is labeled, and video content of this section with mark is generated to the video frequency abstract of 30s. Not only it can guarantee to cloud platform end and transmitted effective video content, but also volume of transmitted data can be reduced, and ensure that the privacy of target body. Of course, it should be understood that in embodiments of the present invention, not limiting specifically the time of video frequency abstract.

Finally, time of origin, generation area, sectional drawing and visitor by the video frequency abstract of generation and are included by cloud platform end The warning message of family end link is sent to remote mobile terminal.When related personnel receives warning message, clickthrough can be passed through Mobile applications APP is opened, video frequency abstract is checked to judge the urgency level of target body, makes corresponding urgent measure; It can also directly be interacted simultaneously with medical staff on APP, take linkage rescue measure.

In embodiments of the present invention, additionally it is possible to by first area for lie or sit place all mark out come.It is detecting When falling down, the threshold range in the non-place that can be lain or sit is reduced, the accuracy of detection can be improved.In addition, carry out When falling down detection, whether decentralization and height ratio are more than the basis that preset threshold range is fallen down as judgement, and examining During survey, constantly study monitoring scene can adjust preset threshold range automatically.

If target body in second area, obtains the acceleration information of target body in the second area;

If acceleration information is less than the second preset threshold range, the heart rate information and/or sleep number of target body are obtained According to;

According to acceleration information, heart rate information and/or the dormant data of target body in the second area, determine to target Human body uses the second mode of monitoring.

Wherein, acceleration information, heart rate information and/or the dormant data according to target body in the second area determines It is specially using the second mode of monitoring to target body:

If acceleration information is default beyond third beyond the second preset threshold range or heart rate information and/or dormant data Threshold range then sends warning message to remote mobile terminal.

Wherein, the second predetermined threshold value, that is, target body is default according to the normal activity states of target body in second area Acceleration range, the normal sleep times range of the ranging from preset target body of third predetermined threshold value, normal cardiac rate Range and normal respiratory rate range.

Specifically, as shown in figure 4, the monitoring flow chart for the second mode of monitoring in the embodiment of the present invention passes through mesh first The trivector of the acceleration transducer acquisition target body of human body body-worn is marked, whether detection target body has apparent work Vector acceleration mould is further compared, if pre- by momentum if there is apparent activity with acceleration preset threshold range If in threshold range, then continuing to be detected target body;If exceeding preset threshold range, short disappear is sent to remote terminal Breath alarm;If being less than preset threshold range, by the pressure sensor that is installed on mattress to the sleeping time of target body It is detected.If the sleeping time of target body exceeds default sleeping time range, short message alarm is sent to remote terminal, If the sleeping time of target body without departing from default sleeping time range, can also by the heart rate probe that is installed on mattress, Mike is detected the heart rate and respiratory rate of target body, if heart rate and respiratory rate are abnormal, passes through cloud platform It holds to remote terminal and sends warning message.

When related personnel receives the warning message including time of origin, scene and abnormal data, can pass through APP checks detailed historical data, and makes corresponding urgent measure in light of the circumstances.In addition, cloud platform end can collect The sleep habit of target body, the sleeping time of adaptive learning target body, and be adjusted.

If target body at third region, obtains target body behavioral data in third region;

According to behavioral data of the target body in third region, determines and third mode of monitoring is used to target body, In, according to behavioral data of the target body in third region, determination is specially using third mode of monitoring to target body:

If behavioral data exceeds the 4th preset threshold range, warning message is sent to remote mobile terminal.

Wherein, the 4th preset threshold range is the normal bathtime range of preset target body and normally goes to the toilet the time Range.

Specifically, as shown in figure 5, the monitoring flow chart for third mode of monitoring in the embodiment of the present invention passes through position first Whether it is opened in the switch sensor detection bathroom switch on bath tubs switch, or by closestool water pumping switch Whether switch sensor detection closestool water pumping switch is opened, if being unopened, continues to be detected target body, if Be opened, then the bathtime of target body or the time that goes to the toilet be detected by infrared sensor, when bathtime or Person goes to the toilet the time more than preset time range, then sends warning message to remote terminal by cloud platform end.If target body has Sense of independence, additionally it is possible to be called for help by the danger button mounted on toilet.In addition, cloud platform end can also collect target The bathing of human body is accustomed to and the custom that goes to the toilet, and is adjusted automatically to preset time range.

Embodiment two

The embodiment of the invention discloses a kind of processing systems of target body action message, as shown in fig. 6, including:

Acquisition module 601, for obtaining the action message of target body indoors;

Locating module 603, for determining the zone of action of target body indoors according to action message;

Monitoring module 605, for obtaining behavioral data of the target body in determining zone of action, according to behavior number According to determining the mode of monitoring of target body.

In embodiments of the present invention, acquisition module 601 carries out analysis by cloud platform end and obtains target body indoors Action message;The action message that locating module 603 acquires target body by monitor terminal in real time determines target body indoors Zone of action;Monitoring module 605 converges the behavioral data of the target body of acquisition by gateway, determines to target person The mode of monitoring of body.

Wherein, specifically, when acquiring the action message of target body in real time by monitor terminal, first, pass through infrared biography The infrared ray that sensor detection radiates target body is acquired, and determines region residing for target body.When detecting target body When positioned at first area, then the video data of target body is acquired in real time by network IP cameras, IP camera energy It is enough that the video data of acquisition is subjected to compression storage, the image data in the nearest time is retained, when receiving transmission instruction, energy It is enough target body was fallen down into before the time 2min to be analyzed to cloud platform end to the video data transmission for falling down the moment;When detecting When target body is located at second area, then by pressure sensor, heart rate probe, Mike to the dormant data of target body and/ Or heart rate information is detected;When detecting that target body is located at third region, then by being switched positioned at bath tubs Switch sensor is to the bathtime of target body or by the switch sensor on closestool water pumping switch to target body The time that goes to the toilet be detected.

Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come It says, can also make several improvements and retouch under the premise of not departing from principle of the present invention, these improvements and modifications also exist In protection scope of the present invention.

Claims (12)

1. a kind of processing method of target body action message, which is characterized in that including:
Obtain the action message of target body indoors;
The zone of action of target body indoors is determined according to the action message;
It obtains behavioral data of the target body in determining zone of action and target body is determined according to the behavioral data Mode of monitoring;Wherein, for different zone of action, different mode of monitoring is used to target body.
2. the processing method of target body action message as described in claim 1, which is characterized in that obtain target body in room The step of interior action message includes:
The action message of target body indoors is detected by infrared sensor.
3. the processing method of target body action message as described in claim 1, which is characterized in that the zone of action packet It includes:First area, second area and third region.
4. the processing method of target body action message as claimed in claim 3, which is characterized in that obtain target body true Behavioral data in fixed zone of action, according to the behavioral data, the step of mode of monitoring for determining target body, includes:
If the target body at first area, obtains the acceleration information of target body in the first region;
According to the acceleration information, determines and the first mode of monitoring is used to target body.
5. the processing method of target body action message as claimed in claim 4, which is characterized in that according to the acceleration number of degrees According to determining to include using the step of the first mode of monitoring to target body:
If the acceleration information exceeds the first preset threshold range, a triggering control instruction is generated;
According to the control instruction, the video data of a target body movable preset time period in the first region is obtained;
The video data is handled, if the video data shows that the target body is in the first posture, to remote Journey mobile terminal sends warning message.
6. the processing method of target body action message as claimed in claim 4, which is characterized in that obtain target body the The step of acceleration information in one region includes:
The trivector parameter of the acceleration of target body is obtained by acceleration transducer;
Pass through formula:The acceleration data of target body are obtained, wherein SVM is acceleration information, axFor the acceleration on front-rear direction, ayFor the acceleration on left and right directions, azFor the acceleration arrow on vertical direction Amount.
7. the processing method of target body action message as claimed in claim 3, which is characterized in that obtain target body true Behavioral data in fixed zone of action, according to the behavioral data, the step of determining the mode of monitoring to target body, includes:
If the target body in second area, obtains the acceleration information of target body in the second area;
If the acceleration information is less than the second preset threshold range, obtains the heart rate information of the target body and/or sleep Dormancy data;
According to acceleration information, heart rate information and/or the dormant data of target body in the second area, determine to target body Using the second mode of monitoring.
8. the processing method of target body action message as claimed in claim 7, which is characterized in that according to target body Acceleration information, heart rate information in two regions and/or dormant data determine the step that the second mode of monitoring is used to target body Suddenly include:
If the acceleration information is default beyond third beyond the second preset threshold range or heart rate information and/or dormant data Threshold range then sends warning message to remote mobile terminal.
9. the processing method of target body action message as claimed in claim 3, which is characterized in that obtain target body true Behavioral data in fixed zone of action, according to the behavioral data, the step of determining the mode of monitoring to target body, includes:
If the target body at third region, obtains target body behavioral data in third region;
According to behavioral data of the target body in third region, determines and third mode of monitoring is used to target body.
10. the processing method of target body action message as claimed in claim 9, which is characterized in that according to the target person Behavioral data of the body in third region determines that the step of using third mode of monitoring to target body includes:
If the behavioral data exceeds the 4th preset threshold range, warning message is sent to remote mobile terminal.
11. a kind of processing system of target body action message, which is characterized in that including:
Acquisition module, for obtaining the action message of target body indoors;
Locating module, for determining the zone of action of target body indoors according to the action message;
Monitoring module, for obtaining behavioral data of the target body in determining zone of action, according to the behavioral data, really Set the goal the mode of monitoring of human body;Wherein, for different zone of action, different mode of monitoring is used to target body.
12. the processing system of target body action message as claimed in claim 11, which is characterized in that the acquisition module is logical It crosses cloud platform end and carries out the action message of analysis acquisition target body indoors;The locating module is adopted in real time by monitor terminal The action message of collection target body determines the zone of action of target body indoors;The monitoring module is by gateway to acquisition The behavioral data of target body is converged, and determines the mode of monitoring to target body.
CN201410705746.2A 2014-11-27 2014-11-27 A kind of processing method and system of target body action message CN105700488B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410705746.2A CN105700488B (en) 2014-11-27 2014-11-27 A kind of processing method and system of target body action message

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410705746.2A CN105700488B (en) 2014-11-27 2014-11-27 A kind of processing method and system of target body action message

Publications (2)

Publication Number Publication Date
CN105700488A CN105700488A (en) 2016-06-22
CN105700488B true CN105700488B (en) 2018-08-21

Family

ID=56230389

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410705746.2A CN105700488B (en) 2014-11-27 2014-11-27 A kind of processing method and system of target body action message

Country Status (1)

Country Link
CN (1) CN105700488B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106529400A (en) * 2016-09-26 2017-03-22 深圳奥比中光科技有限公司 Mobile terminal and human body monitoring method and device
CN106991787A (en) * 2017-06-07 2017-07-28 京东方科技集团股份有限公司 Smart toilet and safety monitoring system based on smart toilet

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8121855B2 (en) * 2005-09-12 2012-02-21 Mymedicalrecords.Com, Inc. Method and system for providing online medical records
US8323189B2 (en) * 2006-05-12 2012-12-04 Bao Tran Health monitoring appliance
EP2678841A1 (en) * 2011-02-22 2014-01-01 Flir System, Inc. Infrared sensor systems and methods
CN102404873B (en) * 2011-07-20 2015-07-08 东北大学秦皇岛分校 Indoor elderly people monitoring method and system based on Internet of Things
CN102595324A (en) * 2012-03-31 2012-07-18 上海交通大学 Wireless sensor network-based regional falling detection positioning system and method
CN102982652A (en) * 2012-12-21 2013-03-20 北京恒通安信科技有限公司 Realizing method and system for on-demand monitoring for elder nursing
CN103393412B (en) * 2013-08-15 2015-07-29 重庆邮电大学 Smart home based elderly care unit
CN203931100U (en) * 2013-12-30 2014-11-05 杨松 Terminal used for detecting tumble of human body

Also Published As

Publication number Publication date
CN105700488A (en) 2016-06-22

Similar Documents

Publication Publication Date Title
US7420472B2 (en) Patient monitoring apparatus
US9179864B2 (en) Wearable health monitoring device and methods for fall detection
Wu et al. Portable preimpact fall detector with inertial sensors
JP4546487B2 (en) Method of remotely monitoring the home activity of solitary person by using the sleep pattern
US20090044334A1 (en) Automatically adjusting patient platform support height in response to patient related events
US7987069B2 (en) Monitoring patient support exiting and initiating response
US8990041B2 (en) Fall detection
US9179863B2 (en) Bed exit warning system
CN101650869B (en) Human body tumbling automatic detecting and alarming device and information processing method thereof
CN103927847B (en) An intelligent system of old-age care
US20060270949A1 (en) Monitoring apparatus for ambulatory subject and a method for monitoring the same
US8508372B2 (en) Method and system for fall detection
CN102646319B (en) Organism-falling detection device and method
Perry et al. Survey and evaluation of real-time fall detection approaches
CN102058939A (en) Method and system for evaluating building fire situation and instructing evacuation
CN103325080B (en) One kind of nursing home care system and method based on intelligent networking technology
US20170143240A1 (en) Activity analysis, fall detection and risk assessment systems and methods
US9974466B2 (en) Method and apparatus for detecting change in health status
WO2013075002A1 (en) Automatic detection by a wearable camera
Nyan et al. Garment-based detection of falls and activities of daily living using 3-axis MEMS accelerometer
JP4575133B2 (en) Sensing system and method
US9931085B2 (en) Device and method of monitoring a position and predicting an exit of a subject on or from a substrate
Erden et al. Sensors in Assisted Living: A survey of signal and image processing methods
CN103118588B (en) Safe nursing system and method for controlling safe nursing system
Cao et al. E-FallD: A fall detection system using android-based smartphone

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant