CN113507687A - Interactive scene information reminding system and control method thereof - Google Patents
Interactive scene information reminding system and control method thereof Download PDFInfo
- Publication number
- CN113507687A CN113507687A CN202110691201.0A CN202110691201A CN113507687A CN 113507687 A CN113507687 A CN 113507687A CN 202110691201 A CN202110691201 A CN 202110691201A CN 113507687 A CN113507687 A CN 113507687A
- Authority
- CN
- China
- Prior art keywords
- module
- white list
- place
- position information
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
Abstract
The invention provides an interactive scene information reminding system, which comprises: wearable equipment and intelligent terminal, wearable equipment includes: a GPS module: the system is used for dynamically acquiring the position information of the place in real time; the signal sending module is used for sending the place position information acquired by the GPS module to the intelligent terminal; the intelligent terminal includes: a signal receiving module: the system is used for receiving the place position information sent by the signal sending module; a location information acquisition module: a POI tag for obtaining location information; and a white list screening module: the system comprises a white list, a warning module and a display module, wherein the white list is used for screening a plurality of places with highest arrival frequency of the wearable device, marking the places to form the white list, comparing the places listed in the white list with the real-time POI labels, and starting the warning module when the wearable device stays in a place for more than a set time and the place is not in the white list; the positioning information display module: the wearable device display device is used for displaying the position information of the wearable device after the alarm module is started. The guardian can more effectively fulfill the guardian obligation.
Description
Technical Field
The invention belongs to the technical field of positioning systems, and particularly relates to an interactive scene information reminding system and a control method thereof.
Background
From mobile interconnection to internet of things, the position is essential information, but from the application requirement of the fine industry, only the positioning information with higher precision can bring higher value, people can know the position of an object more accurately and know the specific position of the people, and enterprises, people or materials are managed better. For example, the personal safety of tunnel constructors is guaranteed, and a global and visual supervision platform is set up by a prison; the safety guarantee efficiency of the petrochemical industry is improved; the intelligent management of the power-assisted construction site is upgraded, and then the safety problems of children and old people concerned by every family are solved.
The currently common positioning modes comprise GPS positioning, base station positioning, wifi positioning, IP positioning, RFID/two-dimensional code and other label identification positioning, Bluetooth positioning, sound wave positioning and scene identification positioning. Technically, one or more of the following may be mixed.
Geo-fencing (Geo-fencing) is a new application of LBS, which is to use a virtual fence to enclose a virtual geographic boundary. The handset may receive automatic notifications and alerts when the handset enters a particular geographic area or is active within that area.
With the geo-fencing technology, the location social network site can help a user to automatically register when the user enters a certain area, and can be applied to the fields of intelligent shopping, personal assistants, family member/friend discovery, intelligent home and the like. The geo-fence can be completed through positioning technologies such as Bluetooth, WIFI and GPS, and the mobile device can automatically select the lowest power consumption mode to position after entering the fence.
Currently, the geofencing technology is widely used. Due to the implementation of the geo-fencing technology, great convenience is brought to message pushing of the Internet of things. However, with the rapid development of mobile communication technology and internet of things, the contact of children to electronic communication equipment is more and more extensive, and the attraction of some sensitive places to children and minor students is also greater, so that how to let parents know the places where children are located in real time becomes a problem of concern to many parents and friends. However, the existing electronic fence technology can only identify a section of area, when a person under guardianship breaks away from a polygonal safe area, an alarm is triggered instead of sending specific location information (mainly referring to the attributes of the location) of the location to a guardian, and a complete real-time location positioning reminding mechanism is lacked.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an interactive scene information reminding system and a control method thereof, which are used for knowing the position dynamic state of a person under guardianship in real time, setting a white list (or a black list) on the intelligent terminal equipment side, and triggering a reminding mechanism by the terminal equipment when the wearable equipment identifies that the person under guardianship enters a place outside the white list (or a place inside the black list).
The invention adopts the following technical scheme for solving the technical problems:
the invention provides an interactive scene information reminding system, which comprises: a wearable device and a smart terminal, wherein,
the wearable device includes: a GPS module: the system is used for dynamically acquiring the position information of the place in real time;
the signal sending module is used for sending the place position information acquired by the GPS module to the intelligent terminal;
the intelligent terminal includes: a signal receiving module: the system is used for receiving the place position information sent by the signal sending module;
a location information acquisition module: a POI tag for obtaining location information;
and a white list screening module: the system comprises a white list, a warning module and a display module, wherein the white list is used for screening a plurality of places with highest arrival frequency of the wearable device, marking the places to form the white list, comparing the places listed in the white list with the real-time POI labels, and starting the warning module when the wearable device stays in a place for more than a set time and the place is not in the white list;
an alarm module: used for sending out a warning signal;
the positioning information display module: the wearable device display device is used for displaying the position information of the wearable device after the alarm module is started.
Further, the air conditioner is provided with a fan,
the wearable device further comprises a blacklist screening module, wherein the blacklist screening module is used for marking the position information of the specific place and listing the position information into a blacklist, and when the wearable device appears at the position marked by the blacklist, the alarm module is started.
Further, the air conditioner is provided with a fan,
the intelligent terminal is any one of an intelligent mobile phone, a tablet computer or a notebook computer.
Further, the air conditioner is provided with a fan,
wearable equipment is any one of intelligent wrist-watch, intelligent bracelet or the intelligent glasses of taking locate function.
Further, a control method of the interactive scene information reminding system comprises the following steps:
the GPS module of the wearable device dynamically acquires the position information of the place in real time and sends the position information of the place to the signal receiving module of the intelligent terminal through the signal sending module;
the signal receiving module sends the information to the place information acquisition module after receiving the position information sent by the signal sending module;
the place information acquisition module acquires a POI label of the position information;
the white list screening module screens out a plurality of places with highest arrival frequency of the wearable equipment, marks the places to form a white list, compares the places listed in the white list with the real-time POI labels, starts the alarm module when the wearable equipment stays in a place for more than set time and the place is not in the white list, sends out a warning signal through the alarm module, and displays the position information of the wearable equipment through the positioning information display module.
Further, the air conditioner is provided with a fan,
the screening method of the white list screening module comprises the following steps:
a) the signal sending module sends real-time position information to the signal receiving module once at intervals;
b) the white list screening module stores the position information and the time stamp;
c) the white list screening module reads the position information and the time stamp periodically for traversing,
the method comprises the steps of obtaining position information of a time interval in a fixed time, calculating the distance between positions of wearable equipment at any two time points, considering the position as a fixed point if the distance is smaller than 100 m, screening out all the fixed points, and enabling the fixed points to be listed in a white list.
The invention has the following beneficial effects:
through intelligent terminal equipment and wearable equipment interconnection, after the wearable equipment end acquireed GPS information, sent back GPS information for intelligent terminal equipment, terminal equipment further acquireed the POI information of position through the server side, mainly includes the name in place, and properties etc. through contrast screening, judges whether need trigger the warning module and carry out the early warning. In order to know the position dynamic of the person under guardianship in real time, a white list (or a black list) needs to be set at the mobile phone terminal device side, and when the wearable device identifies that the person under guardianship enters a place outside the white list (or a place inside the black list), the terminal device triggers a reminding mechanism, so that the person under guardianship plays a role in real-time supervision.
Drawings
FIG. 1 is a schematic diagram of the system architecture of the present invention;
FIG. 2 is a flow chart illustrating a control method of the present invention;
FIG. 3 is a schematic flow chart of a usage scenario of the present invention;
fig. 4 is a schematic diagram of the effect of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, an interactive scene information reminding system of the present invention includes: wearable equipment and intelligent terminal, wearable equipment includes: a GPS module: acquiring GPS values including longitude, latitude and height through a GPS positioning technology, and dynamically acquiring place position information in real time;
the signal sending module is used for sending the position information acquired by the GPS module to the intelligent terminal;
the intelligent terminal includes: a signal receiving module: the system is used for receiving the place position information sent by the signal sending module;
a location information acquisition module: the method comprises the steps of acquiring position information transmitted by a signal receiving module, and transmitting the position information to a map service, such as a high-grade map, a Baidu map and the like, wherein the map service feeds back POI labels to a place information acquisition module through data processing, wherein the POI labels comprise place names, types and the like;
and a white list screening module: the system comprises a white list, a warning module and a display module, wherein the white list is used for screening a plurality of places with highest arrival frequency of the wearable device, marking the places to form the white list, comparing the places listed in the white list with the real-time POI labels, and starting the warning module when the wearable device stays in a place for more than a set time and the place is not in the white list;
an alarm module: used for sending out a warning signal;
the positioning information display module: the wearable device display device is used for displaying the position information of the wearable device after the alarm module is started.
The invention can also adopt a blacklist screening mode, and is provided with a blacklist screening module, wherein the blacklist screening module is used for marking the position information of a specific place and listing the position information into a blacklist, and when the wearable equipment appears at the position marked by the blacklist, the alarm module is started.
The intelligent terminal is preferably a portable communication device, such as a smart phone, a tablet computer or a notebook computer.
Wearable equipment preferably adopts portable intelligent wrist-watch, intelligent bracelet or takes locate function's intelligent glasses etc..
As shown in fig. 2, a control method of an interactive scene information reminding system of the present invention includes:
the GPS module of the wearable device dynamically acquires the position information of the place in real time and sends the position information of the place to the signal receiving module of the intelligent terminal through the signal sending module;
the signal receiving module sends the information to the place information acquisition module after receiving the position information sent by the signal sending module;
the place information acquisition module acquires a POI label of the position information;
the white list screening module screens out a plurality of places with highest arrival frequency of the wearable equipment, marks the places to form a white list, compares the places listed in the white list with the real-time POI labels, starts the alarm module when the wearable equipment stays in a place for more than set time and the place is not in the white list, sends out a warning signal through the alarm module, and displays the position information of the wearable equipment through the positioning information display module.
The screening method of the white list screening module comprises the following steps:
a) the signal sending module sends real-time position information to the signal receiving module once at intervals;
b) the white list screening module stores the position information and the time stamp;
c) the white list screening module reads the position information and the time stamp periodically for traversing,
the method comprises the steps of obtaining position information of a time interval in a fixed time, calculating the distance between positions of wearable equipment at any two time points, considering the position as a fixed point if the distance is smaller than 100 m, screening out all the fixed points, and enabling the fixed points to be listed in a white list.
Specifically, wearable equipment takes children's wrist-watch as an example, and intelligent terminal takes the cell-phone as an example:
a) the watch sends positioning data (GPS positioning information) to the mobile phone every 5 minutes, and the time interval can be modified according to the actual situation;
b) the mobile phone stores the GPS positioning information and the time stamp into a database or a similar storage unit of the mobile phone;
c) the mobile phone will read the data every 24 hours for analysis (the time interval can be modified according to the actual situation), the analysis method adopts the traversal data,
GPS data with the time interval within 30 minutes is acquired, the data is judged and the distance between two GPS is calculated, and a Haverine formula can be used:
wherein r is the radius of the earth, and the average value can be 6371km,
phi 1, phi 2 represents the latitude of two points,
λ 2- λ 1 represents the difference in longitude of two points.
If the distance between every two GPS points is less than 100 meters, the GPS point (the average value of the GPS points) is considered as a fixed point, all the fixed points are counted, and 4 points with the most frequent occurrence are found out to be frequently visited places, namely a white list. The longer the recording time, the more accurate the inferred location. And automatic alarm can be carried out by the information of 'frequently-visited place white list'. The following is an automatic alarm process:
suppose the watch is still sending GPS data to the handset once every 5 minutes;
that obtains continuous 3 times the location data (15 minutes), calculates the distance between the location data (can use the Haversine formula introduced above), if the distance is less than 100 meters, can think that the wrist-watch stops in certain place, checks whether this place is in "often go place white list" or not, if not start alarm module, remind the person under guardianship probably to have got into sensitive place, the guardian can find concrete place information through location information display module.
Data record example (assuming two frequented sites were generated):
as shown in fig. 3, the specific process of the application scenario of the present invention includes:
1. a user of a person under guardianship enters a certain place by carrying wearable equipment, the wearable equipment acquires longitude and latitude information through a GPS module, and the wearable equipment sends the GPS information to mobile phone terminal equipment through an information sending module;
2. the method comprises the steps that self-list information is preset in guardian terminal equipment, and places where a person under guardianship can go in and out randomly are added into a white list;
3. the guardian terminal equipment information receiving module receives GPS information sent by the wearable equipment and transmits the GPS information to the place information acquisition module;
4. the place information acquisition module sends the GPS information to the map server and receives P0I label information from the map server;
and 5, comparing the POI label information with preset keywords in the white list, if the POI information is in the white list, not alarming and not displaying, otherwise, triggering an alarm module to alarm and remind.
As shown in fig. 4, the guardian can clearly and timely receive the alarm information through the mobile phone and see the position information of the person under guardianship, so that the guardianship obligation can be better fulfilled.
The above-described embodiments of the present invention are merely examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (6)
1. An interactive scene information reminding system, characterized in that: the method comprises the following steps: wearable equipment and intelligent terminal, wearable equipment includes: a GPS module: the system is used for dynamically acquiring the position information of the place in real time;
the signal sending module is used for sending the place position information acquired by the GPS module to the intelligent terminal;
the intelligent terminal includes: a signal receiving module: the system is used for receiving the place position information sent by the signal sending module;
a location information acquisition module: a POI tag for obtaining location information;
and a white list screening module: the system comprises a white list, a warning module and a display module, wherein the white list is used for screening a plurality of places with highest arrival frequency of the wearable device, marking the places to form the white list, comparing the places listed in the white list with the real-time POI labels, and starting the warning module when the wearable device stays in a place for more than a set time and the place is not in the white list;
an alarm module: used for sending out a warning signal;
the positioning information display module: the wearable device display device is used for displaying the position information of the wearable device after the alarm module is started.
2. The interactive scene information reminding system as claimed in claim 1, wherein:
the wearable device further comprises a blacklist screening module, wherein the blacklist screening module is used for marking the position information of the specific place and listing the position information into a blacklist, and when the wearable device appears at the position marked by the blacklist, the alarm module is started.
3. The interactive scene information reminding system as claimed in claim 1, wherein:
the intelligent terminal is any one of an intelligent mobile phone, a tablet computer or a notebook computer.
4. The interactive scene information reminding system as claimed in claim 1, wherein:
wearable equipment is any one of intelligent wrist-watch, intelligent bracelet or the intelligent glasses of taking locate function.
5. The control method of the interactive scene information reminding system as claimed in any one of claims 1 to 4, wherein: the method comprises the following steps:
the GPS module of the wearable device dynamically acquires the position information of the place in real time and sends the position information of the place to the signal receiving module of the intelligent terminal through the signal sending module;
the signal receiving module sends the information to the place information acquisition module after receiving the position information sent by the signal sending module;
the place information acquisition module acquires a POI label of the position information;
the white list screening module screens out a plurality of places with highest arrival frequency of the wearable equipment, marks the places to form a white list, compares the places listed in the white list with the real-time POI labels, starts the alarm module when the wearable equipment stays in a place for more than set time and the place is not in the white list, sends out a warning signal through the alarm module, and displays the position information of the wearable equipment through the positioning information display module.
6. The method for controlling an interactive scene information reminder system according to claim 5, wherein:
the screening method of the white list screening module comprises the following steps:
a) the signal sending module sends real-time position information to the signal receiving module once at intervals;
b) the white list screening module stores the position information and the time stamp;
c) the white list screening module reads the position information and the time stamp periodically for traversing,
the method comprises the steps of obtaining position information of a time interval in a fixed time, calculating the distance between positions of wearable equipment at any two time points, considering the position as a fixed point if the distance is smaller than 100 m, screening out all the fixed points, and enabling the fixed points to be listed in a white list.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110691201.0A CN113507687A (en) | 2021-06-22 | 2021-06-22 | Interactive scene information reminding system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110691201.0A CN113507687A (en) | 2021-06-22 | 2021-06-22 | Interactive scene information reminding system and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113507687A true CN113507687A (en) | 2021-10-15 |
Family
ID=78010384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110691201.0A Pending CN113507687A (en) | 2021-06-22 | 2021-06-22 | Interactive scene information reminding system and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113507687A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115277777A (en) * | 2022-07-29 | 2022-11-01 | 歌尔科技有限公司 | Intelligent wearable device, control method thereof, main control terminal and Internet of things system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103561073A (en) * | 2013-10-25 | 2014-02-05 | 北京奇虎科技有限公司 | Position information prompting method, device and system |
| CN105828293A (en) * | 2016-05-10 | 2016-08-03 | 北京奇虎科技有限公司 | Early warning processing method and server of wearable device |
| CN106211064A (en) * | 2016-06-30 | 2016-12-07 | 上海卓易科技股份有限公司 | A kind of method and device reminding consumers risk position |
| US20170162066A1 (en) * | 2015-12-03 | 2017-06-08 | Airbus Operations Sas | Method and system for aiding landing of an aircraft |
| CN107689129A (en) * | 2017-09-08 | 2018-02-13 | 广州市迪士普智慧科技有限公司 | A kind of location aware system |
| US20190113632A1 (en) * | 2017-10-16 | 2019-04-18 | Flex Ltd. | Systems and methods for power efficient mobile device communication |
| CN110654424A (en) * | 2019-10-17 | 2020-01-07 | 中铁第五勘察设计院集团有限公司 | Wearable intelligent terminal for railway operation and safety early warning system |
-
2021
- 2021-06-22 CN CN202110691201.0A patent/CN113507687A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103561073A (en) * | 2013-10-25 | 2014-02-05 | 北京奇虎科技有限公司 | Position information prompting method, device and system |
| US20170162066A1 (en) * | 2015-12-03 | 2017-06-08 | Airbus Operations Sas | Method and system for aiding landing of an aircraft |
| CN105828293A (en) * | 2016-05-10 | 2016-08-03 | 北京奇虎科技有限公司 | Early warning processing method and server of wearable device |
| CN106211064A (en) * | 2016-06-30 | 2016-12-07 | 上海卓易科技股份有限公司 | A kind of method and device reminding consumers risk position |
| CN107689129A (en) * | 2017-09-08 | 2018-02-13 | 广州市迪士普智慧科技有限公司 | A kind of location aware system |
| US20190113632A1 (en) * | 2017-10-16 | 2019-04-18 | Flex Ltd. | Systems and methods for power efficient mobile device communication |
| CN110654424A (en) * | 2019-10-17 | 2020-01-07 | 中铁第五勘察设计院集团有限公司 | Wearable intelligent terminal for railway operation and safety early warning system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115277777A (en) * | 2022-07-29 | 2022-11-01 | 歌尔科技有限公司 | Intelligent wearable device, control method thereof, main control terminal and Internet of things system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4976305B2 (en) | Method and system for monitoring a person using a wireless medium | |
| US6631271B1 (en) | Rules based methods and apparatus | |
| US20050086261A1 (en) | Child locator apparatus and method | |
| US6996402B2 (en) | Rules based methods and apparatus for generating notification messages based on the proximity of electronic devices to one another | |
| US7098787B2 (en) | System and method for signaling emergency responses | |
| US20140285343A1 (en) | Alert for real-time risk of theft or loss | |
| US20060267783A1 (en) | Method and system for generating and sending user-centric weather alerts | |
| US20120100866A1 (en) | Mobile device alert generation system and method | |
| WO2008094685A1 (en) | System and method for monitoring the location of a tracking device | |
| US20070200695A1 (en) | System and method for monitoring location of object such as child | |
| US8937545B2 (en) | System and method for situational awareness | |
| KR20130028317A (en) | Mobile terminal for position tracking, appratus providing position tracking service and position tracking system | |
| JP5882426B1 (en) | Information processing system, information processing apparatus, information processing method, and program | |
| WO2009109736A2 (en) | Free tracking | |
| JP4347829B2 (en) | Information registration apparatus, program, information registration method, and information providing method | |
| CN113507687A (en) | Interactive scene information reminding system and control method thereof | |
| Perusco et al. | Humancentric applications of precise location based services | |
| US9047749B2 (en) | System and method for situational awareness | |
| US9860679B2 (en) | System and method for situational awareness | |
| JP2008003690A (en) | Watching device for observed person, watching system for observed person, and watching method for observed person | |
| US9921290B2 (en) | System and method for situational awareness | |
| US11263881B2 (en) | System and method of alternative tracking upon disabling of monitoring device | |
| Dirgahayu et al. | An architectural design of geo-fencing emergency alerts system for hajj pilgrims | |
| KR100824727B1 (en) | Location information service system and the method which use the lbs | |
| US20190164401A1 (en) | Object tracking system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |