CN113993088B - Equipment tracking management system and method - Google Patents
Equipment tracking management system and method Download PDFInfo
- Publication number
- CN113993088B CN113993088B CN202111290675.0A CN202111290675A CN113993088B CN 113993088 B CN113993088 B CN 113993088B CN 202111290675 A CN202111290675 A CN 202111290675A CN 113993088 B CN113993088 B CN 113993088B
- Authority
- CN
- China
- Prior art keywords
- equipment
- management system
- user
- judging
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 238000007726 management method Methods 0.000 claims description 72
- 230000002159 abnormal effect Effects 0.000 claims description 20
- 238000004590 computer program Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 4
- 230000006870 function Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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
- H04W4/029—Location-based management or tracking services
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/30—Individual registration on entry or exit not involving the use of a pass
- G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
- G07C9/37—Individual registration on entry or exit not involving the use of a pass in combination with an identity check using biometric data, e.g. fingerprints, iris scans or voice recognition
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a device tracking management system and a method, wherein the system comprises the following steps: the positioning system is used for receiving a positioning signal of the equipment, calculating the position information of the equipment by using the positioning signal, and uploading the position information to the equipment management system; the access control system is used for monitoring the access condition of a user carrying the equipment, reading the identity information of the user when the user passes through the gate, and sending the identity information to the equipment management system; and the equipment management system is used for judging the use state of the equipment according to the position information. The equipment tracking management system provided by the invention realizes the functions of monitoring the equipment leaving the floors and transferring different office places, improves the equipment tracking management capacity and reduces the loss probability of the mobile equipment.
Description
Technical Field
The present invention relates to the field of wireless communications technologies, and in particular, to a device tracking management system and method.
Background
With the development of information technology, more and more enterprises apply the information technology to device management. At present, most enterprises' equipment informatization management methods mainly use simple equipment information input systems, and a small part of enterprises generally use RFID positioning technology to equipment management so as to track and manage equipment, thereby reducing the loss of some small electronic equipment.
However, there are limitations of using RFID positioning to manage devices: firstly, since the RFID positioning is based on planar movement, it cannot determine whether the device moves between the upper floor and the lower floor in space, so that accurate position information of the device cannot be judged when the device transfers floors; secondly, when enterprises have office places at different places, unnecessary alarms can appear due to short signal interruption when equipment is transferred at two office places, and normal work of managers is interfered. Finally, the possibility of losing the device is further increased because the binding of the device to the responsible person does not work in conjunction with RFID location.
Disclosure of Invention
The invention aims to provide a device tracking management system and a device tracking management method, which are used for solving the problems that misjudgment, false alarm and poor management energy efficiency caused by lack of linkage of a man-machine are easy to occur when the device is managed by adopting RFID positioning in the prior art.
To achieve the above object, the present invention provides a device tracking management system, including:
The positioning system is used for receiving a positioning signal of the equipment, calculating the position information of the equipment by using the positioning signal, and uploading the position information to the equipment management system;
the access control system is used for monitoring the access condition of a user carrying the equipment, reading the identity information of the user when the user passes through the gate, and sending the identity information to the equipment management system;
And the equipment management system is used for judging the use state of the equipment according to the position information.
Further, preferably, the device management system is further configured to:
When the position information in the preset area range can be received, judging that the equipment is in a normal use state;
when the position information in the preset area range cannot be received, judging that the equipment is in an abnormal state;
When the fact that the user leaves the range of the preset area is identified according to the identity information, judging whether the leaving time of the user exceeds a preset time threshold;
If yes, judging that the equipment is in an abnormal state; if not, judging that the equipment is in a normal state.
Further, preferably, the device tracking management system further includes an alarm system for sending alarm information to the user when the device is in an abnormal state.
Further, preferably, the alarm information includes a short message prompt.
Further preferably, the positioning system is an RFID positioning system.
Further, preferably, the RFID positioning system includes a location server and a positioning base station;
the positioning base station is used for receiving the electronic tag signal of the equipment and sending the position information generated by calculation to the position server;
The location server is used for sending the location information to the device management system.
Further, preferably, the access control system is a face recognition access control system, including:
The system comprises an access control management server, a gateway and a face recognition unit;
The face recognition unit is used for reading face information when a user passes through the gate and sending the face information to the gateway;
the gateway is used for carrying out recognition and matching according to the face information so as to acquire the identity information of the user;
The access control management server is used for sending the identity information to the equipment management system.
Further, preferably, the gateway is an edge computing gateway.
The invention also provides a device tracking management method, which comprises the following steps:
receiving the position information of the equipment and judging whether the equipment can successfully receive the information; if yes, judging that the equipment is in a normal use state; if not, judging that the equipment is in an abnormal state; the method comprises the steps of,
Receiving identity information of a user carrying equipment, and judging whether the departure time of the user exceeds a preset time threshold when recognizing that the user leaves a preset area range; if yes, judging that the equipment is in an abnormal state; if not, judging that the equipment is in a normal use state.
The present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the device tracking management method as set forth in any one of the above.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a device tracking management system and a method, wherein the system comprises the following steps: the positioning system is used for receiving a positioning signal of the equipment, calculating the position information of the equipment by using the positioning signal, and uploading the position information to the equipment management system; the access control system is used for monitoring the access condition of a user carrying the equipment, reading the identity information of the user when the user passes through the gate, and sending the identity information to the equipment management system; and the equipment management system is used for judging the use state of the equipment according to the position information.
The equipment tracking management system provided by the invention realizes the functions of monitoring the equipment leaving the floors and transferring different office places, improves the equipment tracking management capacity and reduces the loss probability of the mobile equipment. In addition, the invention also sends out the alarm information to the user through the alarm system when the equipment is in an abnormal use state, thereby realizing the linkage between the responsible person and the management system and enhancing the management energy efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for the users of ordinary skill in the art.
FIG. 1 is a schematic diagram of a device tracking management system according to an embodiment of the present invention;
FIG. 2 is a block diagram of an RFID location system 011 according to one embodiment of the present invention;
Fig. 3 is a schematic block diagram of a face recognition access control system 021 according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a device tracking management system according to another embodiment of the present invention;
FIG. 5 is a flowchart illustrating a device tracking management method according to an embodiment of the present invention;
Fig. 6 is a flowchart illustrating a method for determining a usage status of a device according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person of ordinary skill in the art based on the embodiments of the present invention without making any inventive effort, are intended to be within the scope of the present invention.
It should be understood that the step numbers used herein are for convenience of description only and are not limiting as to the order in which the steps are performed.
It is to be understood that the terminology used in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The terms "comprises" and "comprising" indicate the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
The term "and/or" refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
Referring to fig. 1, an embodiment of the present invention provides a device tracking management system. As shown in fig. 1, the device tracking management system includes:
the positioning system 01 is used for receiving a positioning signal of the equipment, calculating the position information of the equipment by using the positioning signal, and uploading the position information to the equipment management system 03;
the access control system 02 is used for monitoring the access condition of a user carrying equipment, reading the identity information of the user when the user passes through the gate, and sending the identity information to the equipment management system 03;
And the device management system 03 is used for judging the use state of the device according to the position information.
In this embodiment, the positioning system 01 is mainly responsible for receiving the positioning signal of the device, obtaining the device position information through operation, and finally sending the information to the position server.
In an alternative embodiment, the location system 01 employs an RFID location system 01. It should be noted that, the unique ID of the RFID may relate to the location information of the object carrying the RFID tag, and from the unique ID and the location information of the RFID tag, the location information of the object carrying the RFID tag can be known, and the user in this embodiment has a binding relationship with the device, that is, the user carries the device equipped with the electronic tag (RFID tag).
In an alternative embodiment, the RFID location system 01 includes a location server and a location base station, as shown in FIG. 2. Specifically, the positioning base station is used for receiving an electronic tag signal of the equipment and sending the position information generated by calculation to the position server; the location server is used to send the location information to the device management system 03.
It should be noted that, the RFID positioning system 01 is responsible for receiving a positioning signal of the device, where the positioning base station receives the electronic tag signal, obtains position information through calculation processing, and sends the position information to the position server. The location server manages the positioning base station downwards and receives the location information, and sends the device location information upwards to the device management system 03.
In a specific embodiment, the access control system 02 is preferably a face recognition access control system. Wherein, this face identification access control system specifically includes: the access control management server, the gateway and the face recognition unit are as shown in fig. 3.
Specifically, the face recognition unit is used for reading face information when a user passes through the gate and sending the face information to the gateway;
the gateway is used for carrying out recognition and matching according to the face information so as to acquire the identity information of the user;
The entrance guard management server is used for sending the identity information to the equipment management system 03.
Preferably, the gateway of the present embodiment adopts an edge computation gateway. It should be noted that, the Edge computing Gateway (Edge computing Gateway of the internet of things), abbreviated as Edge-Gateway, is an industrial intelligent Gateway capable of running functions of local computing, message communication, data caching and the like on equipment, and can realize local linkage and data processing analysis of the equipment under the condition of no need of networking. The edge computing gateway is rich in interfaces, supports mass connection, data acquisition and data cleaning, supports MQTT protocols, supports various industrial communication protocols, supports web configuration modes and supports cloud remote configuration. Meanwhile, the method has the advantages of being distributed, low in delay, higher in efficiency, more energy-saving, capable of relieving flow pressure and the like, and therefore computing efficiency can be greatly improved by adopting the edge computing gateway in the embodiment.
In a specific embodiment, the device management system 03 is further configured to:
When the position information in the preset area range can be received, judging that the equipment is in a normal use state;
when the position information in the preset area range cannot be received, judging that the equipment is in an abnormal state;
When the fact that the user leaves the range of the preset area is identified according to the identity information, judging whether the leaving time of the user exceeds a preset time threshold;
If yes, judging that the equipment is in an abnormal state; if not, judging that the equipment is in a normal state.
It can be understood that when the user of the device leaves the office through the gate, the device carried by the user is first marked as critical, and a certain time limit is set. If the time limit is exceeded and the user does not return, the equipment changes from the critical state to the alarm state; when the responsible person returns and detects the device signal, the device changes from the critical state to the normal state.
In a specific embodiment, the device tracking management system further includes an alarm system 04, as shown in fig. 4. The alarm system 04 is configured to send alarm information to a user when the device is in an abnormal state.
Specifically, the alarm system 04 is mainly a short message platform, and when the device is in an abnormal state, the device management server triggers the alarm system 04 to send a short message prompt containing alarm information to the user, so as to remind the user to quickly return the device.
The equipment tracking management system provided by the invention realizes the functions of monitoring the equipment leaving the floors and transferring different office places, improves the equipment tracking management capacity and reduces the loss probability of the mobile equipment. In addition, the invention also sends out the alarm information to the user through the alarm system 04 when the equipment is in an abnormal use state, thereby realizing the linkage between the responsible person and the management system and enhancing the management energy efficiency.
In a specific embodiment, a device tracking management method is also provided, as shown in fig. 5. The device tracking management method comprises the following steps:
S10, receiving position information of equipment and judging whether the equipment can successfully receive the information; if yes, judging that the equipment is in a normal use state; if not, judging that the equipment is in an abnormal state; the method comprises the steps of,
S20, receiving identity information of a user carrying the equipment, and judging whether the departure time of the user exceeds a preset time threshold when recognizing that the user leaves a preset area range; if yes, judging that the equipment is in an abnormal state; if not, judging that the equipment is in a normal use state.
Based on the device tracking management system provided by the embodiment, in the embodiment, the device is tracked and managed by combining the device RFID positioning and the face access control. The device has three states of normal, critical and alarm, and the process of judging the device state is shown in fig. 6, which comprises the following steps:
When the device management system 03 can receive the position information in the preset area range, judging that the device is in a normal use state;
When the device management system 03 cannot receive the position information in the preset area range, judging that the device is in an abnormal state;
when the equipment management system 03 recognizes that the user leaves the range of the preset area according to the identity information, judging whether the leaving time of the user exceeds a preset time threshold;
If yes, judging that the equipment is in an abnormal state; if not, judging that the equipment is in a normal state.
Therefore, based on the above, the embodiment of the present invention can realize the following functions:
first, when the device leaves the office area to go to a different floor, by detecting that the responsible person leaves, the device is set to a critical state, and can be judged to be at a different floor position.
Secondly, when the equipment is transferred along with the responsible person at different office places, the equipment can not send out false alarms under the condition of signal loss by setting a certain time limit.
Thirdly, the equipment and the responsible person establish a binding relationship, and a short message is sent in real time to remind the responsible person to return to the office as soon as possible, so as to return to the equipment.
In another exemplary embodiment, a computer readable storage medium comprising a computer program is also provided, which when executed by a processor implements the steps of the device tracking management method according to any of the embodiments described above. For example, the computer readable storage medium may be the above memory including a computer program executable by a processor of a terminal device to perform the device tracking management method according to any one of the above embodiments and achieve technical effects consistent with the above methods.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (7)
1. A device tracking management system, comprising:
The positioning system is used for receiving a positioning signal of the equipment, calculating the position information of the equipment by using the positioning signal, and uploading the position information to the equipment management system;
The access control system is used for monitoring the access condition of a user carrying the equipment, reading the identity information of the user when the user passes through the gate, and sending the identity information to the equipment management system; the user has binding relation with the equipment;
the device management system is used for judging the use state of the device according to the position information;
the system also comprises an alarm system, which is used for sending alarm information to a user when the equipment is in an abnormal state;
The device management system is further configured to:
When the position information in the preset area range can be received, judging that the equipment is in a normal use state;
when the position information in the preset area range cannot be received, judging that the equipment is in an abnormal state;
When the identity information identifies that the user leaves the range of the preset area, judging whether the leaving time of the user exceeds a preset time threshold or not, wherein the method comprises the following steps: when the user leaves the range of the preset area, marking the carried equipment as a critical state, and setting a preset time threshold;
If yes, judging that the equipment is in an abnormal state; if not, judging that the equipment is in a normal state;
the access control system is a face recognition access control system, and comprises:
The system comprises an access control management server, a gateway and a face recognition unit;
The face recognition unit is used for reading face information when a user passes through the gate and sending the face information to the gateway;
the gateway is used for carrying out recognition and matching according to the face information so as to acquire the identity information of the user;
The access control management server is used for sending the identity information to the equipment management system.
2. The device tracking management system of claim 1, wherein the alert information comprises a short message prompt.
3. The device tracking management system of claim 1, wherein the location system is an RFID location system.
4. The device tracking management system of claim 3, wherein the RFID location system comprises a location server and a location base station;
the positioning base station is used for receiving the electronic tag signal of the equipment and sending the position information generated by calculation to the position server;
The location server is used for sending the location information to the device management system.
5. The device tracking management system of claim 1, wherein the gateway is an edge computing gateway.
6. A device tracking management method, applied to the device tracking management system according to claim 1, comprising:
receiving the position information of the equipment and judging whether the equipment can successfully receive the information; if yes, judging that the equipment is in a normal use state; if not, judging that the equipment is in an abnormal state; the method comprises the steps of,
Receiving identity information of a user carrying equipment, and judging whether the departure time of the user exceeds a preset time threshold when recognizing that the user leaves a preset area range; if yes, judging that the equipment is in an abnormal state; if not, judging that the equipment is in a normal use state.
7. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the device tracking management method according to claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111290675.0A CN113993088B (en) | 2021-11-02 | 2021-11-02 | Equipment tracking management system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111290675.0A CN113993088B (en) | 2021-11-02 | 2021-11-02 | Equipment tracking management system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113993088A CN113993088A (en) | 2022-01-28 |
| CN113993088B true CN113993088B (en) | 2024-05-10 |
Family
ID=79745914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111290675.0A Active CN113993088B (en) | 2021-11-02 | 2021-11-02 | Equipment tracking management system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113993088B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201707771U (en) * | 2010-06-24 | 2011-01-12 | 叶春林 | Security tracking alarm system |
| CN103983990A (en) * | 2014-05-19 | 2014-08-13 | 北京诺亦腾科技有限公司 | Locating method and system low in power consumption |
| JP3199599U (en) * | 2014-12-05 | 2015-09-03 | 中興保全股▲分▼有限公司 | Electronic tag security device |
| CN110516822A (en) * | 2019-08-23 | 2019-11-29 | 国网河北省电力有限公司 | Electric power tool management system and method |
| CN111524317A (en) * | 2020-04-24 | 2020-08-11 | 河南美聚企业管理咨询有限公司 | Intelligent monitoring system for preventing children from being lost |
-
2021
- 2021-11-02 CN CN202111290675.0A patent/CN113993088B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201707771U (en) * | 2010-06-24 | 2011-01-12 | 叶春林 | Security tracking alarm system |
| CN103983990A (en) * | 2014-05-19 | 2014-08-13 | 北京诺亦腾科技有限公司 | Locating method and system low in power consumption |
| JP3199599U (en) * | 2014-12-05 | 2015-09-03 | 中興保全股▲分▼有限公司 | Electronic tag security device |
| CN110516822A (en) * | 2019-08-23 | 2019-11-29 | 国网河北省电力有限公司 | Electric power tool management system and method |
| CN111524317A (en) * | 2020-04-24 | 2020-08-11 | 河南美聚企业管理咨询有限公司 | Intelligent monitoring system for preventing children from being lost |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113993088A (en) | 2022-01-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6505049B1 (en) | Method and apparatus in a communication network for facilitating a use of location-based applications | |
| US7430398B2 (en) | Radio frequency identification (RFID) system for dynamically and automatically establishing communication between a mobile wireless communicating device and a data processing system | |
| US8090529B2 (en) | System for diminishing the load of platform which traces the location of moving objects and method thereof | |
| EP1969883B1 (en) | Method, subscriber identity module and system for providing mobile communication terminal location data | |
| EP1752908A2 (en) | Portable RFID reader having a location determination system | |
| CN109327469B (en) | Method for managing Internet of things and intelligent gateway | |
| CN103778779A (en) | Dangerous article transport vehicle management system | |
| CN103281668B (en) | Internet of Things based on intelligent positioning technology love system and its implementation | |
| CN1742507A (en) | A method for activating a location-based function, a system and a device | |
| CN110730218A (en) | Intelligent garbage putting method and system and storage medium | |
| CN104699427A (en) | Remote printing method and system | |
| CN105869364A (en) | Wireless monitoring terminal | |
| CN110765371A (en) | Position selection method and system of movable garbage can and storage medium | |
| CN110956424A (en) | Inventory tracking tags, systems and methods for extending battery life | |
| CN108377256B (en) | Positioning method, server and system based on narrowband Internet of things | |
| CN113993088B (en) | Equipment tracking management system and method | |
| JP2016212035A (en) | Positioning system and positioning method | |
| CN104125586A (en) | Information prompt method, server and terminal | |
| JP2000286989A (en) | Movable automatic metering device | |
| CN111278105B (en) | Wireless network positioning method and related device | |
| CN207799838U (en) | Early warning monitoring manages system | |
| CN101552798A (en) | Control method and terminal equipment and system for realizing same | |
| US10304317B1 (en) | Method and system for locating a personal emergency response system (PERS) device based on real estate lockbox interaction | |
| CN113660609A (en) | Method and system for finding lost freezer | |
| US20090160611A1 (en) | Enhanced Communication Via RFID Interrogator |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |