CN207946517U - A kind of UWB 3 D positioning systems based on video auxiliary positioning - Google Patents
A kind of UWB 3 D positioning systems based on video auxiliary positioning Download PDFInfo
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- CN207946517U CN207946517U CN201820173294.1U CN201820173294U CN207946517U CN 207946517 U CN207946517 U CN 207946517U CN 201820173294 U CN201820173294 U CN 201820173294U CN 207946517 U CN207946517 U CN 207946517U
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Abstract
The utility model discloses a kind of UWB 3 D positioning systems based on video auxiliary positioning, including at least central server, three-dimensional localization subsystem and camera in home for destitute each region space are set, wherein, three-dimensional localization subsystem includes at least four base station for detecting UWB label positions, base station and camera position are fixedly installed and cover whole region space, and camera is used to record the monitoring video information of corresponding region and is transmitted to central server；Central server carries out processing analysis in real time to acquired data information, records the location information of UWB labels, and carry out location confirmation by video location algorithm to the video information that the corresponding thecamera head in the band of position comes.Using the technical solution of the utility model, the positioning accuracy of old man can be further increased, improves the response speed of unusual condition, optimizes the way to manage in home for destitute, improves the efficiency of management.
Description
Technical field
The utility model is related to the communication technology, video location identification technology and field of computer technology, more particularly to one kind
UWB 3 D positioning systems based on video auxiliary positioning.
Background technology
As China progresses into aged society, endowment discusses topic warmly as China.Home for destitute is as most important endowment
One of form will carry the social responsibility of bigger.Currently, home for destitute scale constantly expands, traditional home for destitute management mode
It is difficult that each region and the situation of each old man are arrived in supervision, and old man is abnormal (tumble, morbidity etc.), if sent out not in time
Now and provide corresponding relief, it will cause serious consequence or even threat to life safety.Therefore, existing endowment service exists
How potential management danger and security risk improve the home for destitute efficiency of management and provide more good endowment service, become
The hot spot of current research.
In order to improve the efficiency of management, current home for destitute facility is gradually improved, such as using indoor locating system, video monitoring
The technologies such as system, Intelligent bracelet, however, the prior art only will be above-mentioned technically simple applied to home for destitute scene, each system is each
From to fight, Synergy is not formed, the application demand in home for destitute in practice cannot be met well.Specifically, home for destitute
Have in regional space compared with multi-obstacle avoidance, being easy to generate multipath effect in signals transmission influences positioning accuracy and multiple
Old man can have some impact on accuracy of identification when assembling, and traditional positioning method cannot be satisfied actual demand；Meanwhile one is supported
Old institute old man quantity is all very big according to transmission and treating capacity in tens to hundreds of unequal numbers, and existing utility rings old man's unusual condition
Answer speed slower；On the other hand, prior art Intelligent bracelet used for positioning usually only setting three axis attitude sensor is as old
The identification of people's unusual condition increases the operating pressure of administrative staff instead however, which rate of false alarm is higher.
Therefore in view of the drawbacks of the prior art, it is really necessary to propose a kind of technical solution to solve skill of the existing technology
Art problem.
Utility model content
In view of this, it is necessory to provide a kind of UWB 3 D positioning systems based on video auxiliary positioning, it is applied to endowment
Institute's occasion can further increase the positioning accuracy of old man, improve the response speed of unusual condition, optimize the manager in home for destitute
Formula improves the efficiency of management.
In order to overcome the deficiencies of existing technologies, the technical solution of the utility model is as follows：
A kind of UWB 3 D positioning systems based on video auxiliary positioning include at least central server, are arranged in home for destitute
The three-dimensional localization subsystem and camera in each region space, wherein
The three-dimensional localization subsystem includes at least four base station for detecting UWB label positions, wherein at least three
Base station is in same level and at least at least one base station is arranged other than the plane and close to ceiling region；The base station
Whole region space is fixedly installed and covered with camera position, and the camera is used to record the monitor video letter of corresponding region
It ceases and is transmitted to central server；The base station includes at least base station main control module and UWB range finder modules, the UWB rangings mould
Block is for measuring end-to-end distance；
Wantonly three base stations form a distance measuring unit, for measuring the distance between base station and old man wears with oneself
The distance between UWB labels and each base station simultaneously obtain UWB label position information with this；The location information of the UWB labels is extremely
Include plan position information and elevation information less；
One of base station is connected with central server as master base station, remaining is assistant base station, the assistant base station
Ranging information for being obtained is sent to master base station；The master base station is used to the location information of UWB labels being sent to institute
State central server；
The central server carries out processing analysis in real time, the position letter of record UWB labels to acquired data information
Breath, and location confirmation is carried out by video location algorithm to the video information that the corresponding thecamera head in the band of position comes；
When judging that unusual condition occur in UWB labels, the central server warns the location of UWB labels information in real time, and
Control the scene that corresponding camera turns to simultaneously recording exceptional position.
In the above-mentioned technical solutions, UWB tag locations are realized by UWB three-dimensional localizations, not only increases positioning accuracy, together
When by obtain label residing for spatial altitude and in this, as one of the important parameter judged extremely, effectively reduce abnormal
False alarm rate.
Meanwhile the response of positioning accuracy and anomalous event is further improved as auxiliary positioning using video information
Speed.
Further include bracelet subsystem as a preferred technical solution, the bracelet subsystem is for realizing old man's exception shape
Condition and monitoring position comprising the Intelligent bracelet and mobile terminal that each old man carries or wears, the mobile terminal with
Wirelessly access central server；The Intelligent bracelet includes at least bracelet main control module, UWB labels, acceleration sensing
Device and biologic resistance resistance sensor, the UWB labels have unique mark；The acceleration transducer is for acquiring old man's shifting
Dynamic acceleration information, the biologic resistance resistance sensor are used to acquire the skin power information of old man；The Intelligent bracelet and shifting
Wirelessly carry out data transmission between dynamic terminal, and then the sensor information acquired is sent to central server.
In above-mentioned technical proposal, the biography of location information and heat transfer agent is realized respectively by independent two data channel
It is defeated, so as to which data transmission pressure is effectively relieved.
In addition, the utility model realizes the data transmission of Intelligent bracelet and central server by mobile terminal, so as to
Enough power consumptions for effectively reducing Intelligent bracelet, make it have longer stand-by time.
Sensor information of the central server to the Intelligent bracelet of acquisition, UWB labels as a preferred technical solution,
Location information and monitoring video information carry out in real time handle and judge whether old man unusual condition occurs with this.
Further include network communication module as a preferred technical solution, the master base station and camera pass through network communication
Module accesses the central server.
The mobile terminal is smart mobile phone as a preferred technical solution, between the Intelligent bracelet and mobile terminal
Carried out data transmission in a manner of bluetooth；APP programs are set in the mobile terminal, Intelligent bracelet is corresponded to for recording it in real time
Sensor information consulted at any time so as to old man.
The Intelligent bracelet further includes optics heart rate sensor as a preferred technical solution, the optics sensing heart rate
Device is used to acquire the heart rate signal of old man.
The Intelligent bracelet further includes feedback button as a preferred technical solution, and the feedback button is then used for old
It is genuinely convinced in central server alert or when suggested alert notice is wrong when people's unusual condition occurs
Business device sends out feedback information.
In above-mentioned technical proposal, by the setting of feedback button, can further increase the response speed of unusual condition with
And when avoiding abnormal false alarm human resources waste.
The biologic resistance resistance sensor is measured using LM4041 and LMP2231 elements as a preferred technical solution,
Skin resistance changes to obtain skin power information.
In above-mentioned technical proposal, using biologic resistance resistance sensor as one of the important parameter judged extremely, improve
The precision of abnormality detection.
The position of institute base station is for 0.5-1 meters from wall and 2-3 meters liftoff as a preferred technical solution,.
Further include monitoring mobile terminal as a preferred technical solution, it is genuinely convinced in the monitoring mobile terminal remote access
Business device and the data information for obtaining corresponding old man in real time.
Compared with prior art, the utility model is believed video information, label information and base station by central server
In breath deposit database and in local memory space, and real-time update information.Administrative staff can pass through the management software of terminal
Locating query is carried out to label entrained by old man, understands old man's coordinate position in real time；It is real by calling the camera in each room
When understand each room senior activity situation, meanwhile, further improve positioning accuracy using video information.Save traditional endowment
Manpower needed for institute's management method and time cost optimize the management service level and staffing effectiveness in home for destitute, simultaneously
The one happy and auspicious living environment of safety and more humane endowment environment can be also provided for old man.
Description of the drawings
Fig. 1 is the system architecture block diagram of the utility model.
Fig. 2 is three-dimensional localization subsystem structure schematic diagram in the utility model.
Fig. 3 is architecture of base station schematic diagram in the utility model.
Fig. 4 is Intelligent bracelet structural schematic diagram in the utility model.
Fig. 5 is bracelet subsystem structure schematic diagram in the utility model.
Fig. 6 is the system architecture diagram of the utility model another embodiment.
Following specific embodiment will further illustrate the utility model in conjunction with above-mentioned attached drawing.
Specific implementation mode
Technical solution provided by the utility model is described further below with reference to attached drawing.
In the application environment in home for destitute, old man can be because the people of surrounding or object cause to block now when moving or sitting quietly
As being had an impact to the precision of video identification.Accuracy of identification can be had some impact on when multiple old men assemble.Meanwhile it managing
Reason personnel but can not possibly be with respect to every old man of every nook and cranny, therefore brings potential management danger and security risk.
For this purpose, a kind of UWB 3 D positioning systems based on video auxiliary positioning of the utility model framework, establish a set of interior
Positioning system and camera monitoring system, for old man's abnormal (tumble, morbidity etc.), information data is collected and analysis, can apply
In home for destitute or other similar environment.Below under simple introduction, some prior arts employed in the utility model.
First, the development of technology makes various circles of society gradually increase high-precision wireless location demand.Indoor positioning skill
Art has some similitudes compared with outdoor positioning technology, but indoor environment is complicated, and localizing environment is severe, the interior space generally compared with
It is small, and there is serious multipath effect and reflexes, this requires corresponding indoor positioning algorithms to the Shandong of various errors
Stick is eager to excel.Super-broadband tech (Ultra Wide Band, UWB) is that a kind of novel radio electricity that tool has great prospects for development is logical
Letter technology has been considered to one of ten big technologies of future communications.Ultra wide band has great bandwidth, can realize short distance
The data transmission of high-speed.It not only has higher temporal resolution, and has stronger anti-multipath fading ability, high-precision
It is of considerable interest in the ranging and positioning of degree.
And on the other hand, it is sensitive to safety requirements that video monitoring has been widely used in airport, bank, railway station etc. now
Occasion, but its effect is extremely limited, because they are typically to record the output result of video camera, works as abnormal conditions
After (vehicle in such as parking lot is stolen) occurs, security personnel just observes the fact that occur by the result of record, but is often
When it is late.And intelligent monitor system can then automatically analyze the video data of cameras capture, when there is abnormal operation hair
When raw, system can be discovered and send out alarm to Security Personnel in time, to avoid the generation of crime, while can also save big
The human and material resources and financial resources of amount.It may be said that the hot spot that the human action identification based on video is computer vision field is asked
Topic.It can be seen that the technology applies the safety that can significantly promote old man in home for destitute.
With the development of radio network technique, facility is provided for people at more and more aspects.Bluetooth technology is mesh
The highly advanced radio network technique of previous item, it can replace cable by one based on low cost, short-range wireless link
The computer and communication equipment for determining range connect, and realize the quick interconnection between distinct device, are primarily adapted for use in data biography
The not high mobile device of defeated rate requirement and portable equipment.Current Bluetooth technology is not only only applicable to WPAN, but
The indigo plant of " three-in-one " of collection IEEE 802.15.1 conventional Bluetooths, IEEE802.11 physical layers and MAC layer and Wibree standards
Tooth.
In the prior art, the infrastructure in home for destitute also has using above-mentioned technology, but is generally only simple set, each
System or independent operating, video monitoring system and 3 D positioning system are fought separately, and there is no form Synergy；Therefore,
The prior art simultaneously underuses existing facility raising operational efficiency, therefore, it is fixed based on video auxiliary that the utility model proposes one kind
The UWB 3 D positioning systems of position, so as to effectively improve positioning accuracy and anomalous event response speed.
Referring to Fig. 1, it show the system architecture of UWB 3 D positioning system of the utility model based on video auxiliary positioning
Figure, the system include at least central server, the three-dimensional localization subsystem and camera in home for destitute each region space are arranged,
Wherein, a three-dimensional localization subsystem and at least one camera, three-dimensional localization subsystem is at least arranged in each regional space
For being positioned to regions such as each room, toilet, corridor, dining room, stair, upper computer software is run on central server
With client terminal software, the data for receiving camera and base station transmission, and the real time data sent to base station solves
Analysis obtains three dimensional space coordinate data with conversion process and acquires barycenter, is stored in local MySQL database.Camera is sent
Video data carry out action recognition, judge motion state residing for old man, feed back to positioning unit, auxiliary coordinate location determination,
And the video data received is saved in local storage space.Client terminal can be with operation management software to MySQL database
Middle data carry out extract real-time, and the real-time update position displaing coordinate point on software map.It simultaneously can also be to each room
Between monitoring video be called, observe old man's body movement situation.
Referring to Fig. 2, it is shown the block architecture diagram of three-dimensional localization subsystem in the utility model, including at least four are used to examine
Survey UWB label positions base station, wherein label is carried by each old man, at least three base stations be in same level and
It is at least one to be arranged in ceiling；Base station and camera position fixed setting, once installation, position immobilizes, and base
Standing will be 0.5-1 meter from wall, 2-3 meters liftoff.Camera is arranged on liftoff 2.5-3.5 meters of wall, and covering whole region space is most
All target areas may be monitored.Camera is used to record the monitoring video information of corresponding region and is transmitted to center service
Device；The base station includes at least base station main control module and UWB range finder modules, and the UWB range finder modules are end-to-end for measuring
Distance；
Wantonly three base stations form a distance measuring unit, for measuring the distance between base station and old man wears with oneself
The distance between UWB labels and each base station and the rough location information that UWB labels are obtained by trilateration algorithm, in system
Multiple rough location information that multiple distance measuring units obtain obtain UWB label position information by calculating；The position of the UWB labels
Confidence breath includes at least plan position information and elevation information；
One of base station is connected with central server as master base station, remaining is assistant base station, the assistant base station
Ranging information for being obtained is sent to master base station；The master base station is for collecting all label informations and other base stations letter
Breath, then by obtaining the distance between base station i and base station j (0≤i to measurement data real-time resolving<J≤3), base station m and mark
Sign the distance between n (0≤m≤3, n>0), and by the location information of UWB labels it is sent to the central server.
Central server carries out processing analysis in real time to acquired data information, records the location information of UWB labels, with
And location confirmation is carried out by video location algorithm to the video information that the corresponding thecamera head in the band of position comes；Wherein,
Central server carries out the sensor information of the Intelligent bracelet of acquisition, the location information of UWB labels and monitoring video information
It handles in real time and judges whether old man unusual condition occurs with this.It is genuinely convinced in described when judging that unusual condition occur in UWB labels
Business device warns the location of UWB labels information in real time, and controls the scene that corresponding camera turns to simultaneously recording exceptional position.
In the above-mentioned technical solutions, UWB tag locations are realized by UWB three-dimensional localizations, not only increases positioning accuracy, together
When by obtain label residing for spatial altitude and in this, as one of the important parameter judged extremely, effectively reduce abnormal
False alarm rate.
Meanwhile the response of positioning accuracy and anomalous event is further improved as auxiliary positioning using video information
Speed.
In a preferred embodiment, further include network communication module, network communication module is for completing and PC equipment
Communication, the master base station and camera access the central server by network communication module.
Referring to Fig. 3, it is shown the structural schematic diagram of base station in the utility model, includes at least base station main control module and UWB
Range finder module, the UWB range finder modules are for measuring end-to-end distance；Certainly further include power module, LED indication module,
The compositions such as reset circuit.The data of UWB range finder modules acquisition can be read in base station main control module, and UWB range finder modules can measure end pair
The distance at end, the master base station are connected with central server, for by the location information of UWB labels be sent to it is described in it is genuinely convinced
Business device；LED indication module can the working condition current to module show that reset circuit provides in the case of system exception
Function of initializing.
In a preferred embodiment, further include bracelet subsystem, for realizing old man's unusual condition and monitoring position,
Referring to Fig. 4, show the configuration diagram of bracelet subsystem comprising the Intelligent bracelet that each old man carries or wears with
Mobile terminal, the mobile terminal wirelessly access central server；Intelligent bracelet for acquiring aged health in real time
Information, the mobile terminal wirelessly access central server；Integrated wireless communication module in mobile terminal, for
The mode of WIFI or 4G accesses central server.
In above-mentioned technical proposal, the biography of location information and heat transfer agent is realized respectively by independent two data channel
It is defeated, so as to which data transmission pressure is effectively relieved.
In addition, the utility model realizes the data transmission of Intelligent bracelet and central server by mobile terminal, so as to
Enough power consumptions for effectively reducing Intelligent bracelet, make it have longer stand-by time.
In a preferred embodiment, mobile terminal is smart mobile phone, and Intelligent bracelet is respectively provided with indigo plant with mobile terminal
Tooth communication module, is carried out data transmission in a manner of bluetooth.
In a preferred embodiment, APP programs are set in the mobile terminal, old man is added in data and is compiled
Number, the sensor information of Intelligent bracelet is corresponded to so that old man consults understanding body reason situation at any time for recording it in real time, is led to simultaneously
It crosses wireless communication module and transfers data to central server.
Referring to Fig. 5, it is shown the structural schematic diagram of Intelligent bracelet, bracelet main control module is included at least, UWB labels, accelerates
Sensor and biologic resistance resistance sensor are spent, the UWB labels have unique mark；The acceleration transducer is for acquiring
Old man's translational acceleration information, the biologic resistance resistance sensor are used to acquire the skin power information of old man；The intelligence hand
The sensor information for wirelessly carrying out data transmission between ring and mobile terminal, and then being acquired is genuinely convinced in being sent to
Business device.
In a preferred embodiment, the Intelligent bracelet further includes optics heart rate sensor, the optics heart rate
Sensor is used to acquire the heart rate signal of old man.
In a preferred embodiment, the Intelligent bracelet further includes feedback button, and the feedback button is then used for
When old man's unusual condition occurs to central server alert or when suggested alert notice is wrong in
Central server sends out feedback information.If old man's shock, button can not be clicked situations such as can not seriously taking action by falling or falling ill, lead to
It crosses the information such as skin power information and translational acceleration information and judges whether unusual condition occur.
By the setting of feedback button, the response speed of unusual condition can be further increased and avoid abnormal false alarm
When human resources waste.
In a preferred embodiment, the biologic resistance resistance sensor utilizes LM4041 and LMP2231 elements
Skin resistance variation is measured to obtain skin power information.Skin power information is a mood physical signs of human body, in exception
In the case of, which necessarily varies widely；For example, its significantly change, necessarily corresponds to old man's mood swing fierceness, it is greatly general
It is abnormal that tumble, epilepsy, heart disease etc. occur for rate old man.In the prior art, judge whether occur only with translational acceleration information
It is abnormal, however translational acceleration information only reflects the motion state of old man, can not effectively reflect whether to occur abnormal.This practicality
It is novel by skin power information and translational acceleration information collectively as the criterion of abnormality detection, it is different to substantially increase
The accuracy of detection of normal state.
In a preferred embodiment, referring to Fig. 6, it show the system architecture of the utility model another embodiment
Block diagram, further includes monitoring mobile terminal, and the monitoring mobile terminal remote accesses central server and obtains corresponding old man in real time
Data information, to which family members or guardian can remotely understand old man the home for destitute the case where at any time.
The explanation of above example is only intended to the method and its core concept that help understands the utility model.It should refer to
Go out, it for those skilled in the art, without departing from the principle of this utility model, can also be to this
Some improvement and modification can also be carried out for utility model, these improvement and modification also fall into the protection domain of the utility model claims
It is interior.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (9)
1. a kind of UWB 3 D positioning systems based on video auxiliary positioning, which is characterized in that including at least central server, set
Set the three-dimensional localization subsystem and camera in home for destitute each region space, wherein
The three-dimensional localization subsystem includes at least four base station for detecting UWB label positions, wherein at least three base stations
It is in same level and at least one base station is arranged other than the plane and close to ceiling region；The base station and camera
Position is fixedly installed and covers whole region space, and the camera is used to record monitoring video information and the transmission of corresponding region
To central server；The base station includes at least base station main control module and UWB range finder modules, and the UWB range finder modules are for surveying
The distance of fixed end opposite end；
Wantonly three base stations form a distance measuring unit, the UWB marks for measuring the distance between base station and old man wears with oneself
The distance between label and each base station simultaneously obtain UWB label position information with this；The location information of the UWB labels includes at least
Plan position information and elevation information；
One of base station is connected with central server as master base station, remaining is assistant base station, and the assistant base station is used for
The ranging information obtained is sent to master base station；The master base station be used for by the location information of UWB labels be sent to it is described in
Central server；
Further include bracelet subsystem, the bracelet subsystem is for realizing old man's unusual condition and monitoring position comprising each
The Intelligent bracelet and mobile terminal that old man carries or wears, the mobile terminal wirelessly access center service
Device；The Intelligent bracelet includes at least bracelet main control module, UWB labels, acceleration transducer and biologic resistance resistance sensor,
The UWB labels have unique mark；The acceleration transducer is for acquiring old man's translational acceleration information, the bioelectricity
Resistivity sensors are used to acquire the skin power information of old man；Between the Intelligent bracelet and mobile terminal wirelessly into
Row data transmission, and then the sensor information acquired is sent to central server.
2. the UWB 3 D positioning systems based on video auxiliary positioning according to claim 1, which is characterized in that the center
Server carries out the sensor information of the Intelligent bracelet of acquisition, the location information of UWB labels and monitoring video information real-time
It handles and judges whether old man unusual condition occurs with this.
3. the UWB 3 D positioning systems based on video auxiliary positioning according to claim 1, which is characterized in that further include net
Network communication module, the master base station and camera access the central server by network communication module.
4. the UWB 3 D positioning systems based on video auxiliary positioning according to claim 1, which is characterized in that the movement
Terminal is smart mobile phone, is carried out data transmission in a manner of bluetooth between the Intelligent bracelet and mobile terminal.
5. the UWB 3 D positioning systems based on video auxiliary positioning according to claim 1, which is characterized in that the intelligence
Bracelet further includes optics heart rate sensor, and the optics heart rate sensor is used to acquire the heart rate signal of old man.
6. the UWB 3 D positioning systems based on video auxiliary positioning according to claim 1, which is characterized in that the intelligence
Bracelet further includes feedback button, and the feedback button is then used to send out alarm to central server when old man's unusual condition occurs
Information sends out feedback information when suggested alert notice is wrong to central server.
7. the UWB 3 D positioning systems based on video auxiliary positioning according to claim 1, which is characterized in that the biology
Electric resistivity sensor measures skin resistance variation to obtain skin power information using LM4041 and LMP2231 elements.
8. the UWB 3 D positioning systems based on video auxiliary positioning according to claim 1, which is characterized in that institute base station
Position is for 0.5-1 meters from wall and 2-3 meters liftoff.
9. the UWB 3 D positioning systems based on video auxiliary positioning according to claim 1, which is characterized in that further include prison
Control mobile terminal, the monitoring mobile terminal remote access central server and the data information for obtaining corresponding old man in real time.
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| CN201820173294.1U CN207946517U (en) | 2018-02-01 | 2018-02-01 | A kind of UWB 3 D positioning systems based on video auxiliary positioning |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109951815A (en) * | 2019-01-15 | 2019-06-28 | 杭州赛鲁班网络科技有限公司 | A kind of indoor sport health data collection system and method |
| CN110292387A (en) * | 2019-06-28 | 2019-10-01 | 广西慧云信息技术有限公司 | A kind of device and statistical method counting agriculture labourer's working efficiency |
| CN111096887A (en) * | 2018-10-10 | 2020-05-05 | 发美利稻田株式会社 | Crime prevention system and massager with crime prevention system |
| CN114511988A (en) * | 2020-11-17 | 2022-05-17 | Oppo广东移动通信有限公司 | Method and system for monitoring motion state, and computer storage medium |
-
2018
- 2018-02-01 CN CN201820173294.1U patent/CN207946517U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111096887A (en) * | 2018-10-10 | 2020-05-05 | 发美利稻田株式会社 | Crime prevention system and massager with crime prevention system |
| CN109951815A (en) * | 2019-01-15 | 2019-06-28 | 杭州赛鲁班网络科技有限公司 | A kind of indoor sport health data collection system and method |
| CN110292387A (en) * | 2019-06-28 | 2019-10-01 | 广西慧云信息技术有限公司 | A kind of device and statistical method counting agriculture labourer's working efficiency |
| CN114511988A (en) * | 2020-11-17 | 2022-05-17 | Oppo广东移动通信有限公司 | Method and system for monitoring motion state, and computer storage medium |
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