KR102647404B1 - A management and loss notification system for belongings using RFID and control method thereof - Google Patents

Abstract

The present invention is embedded in an embedded textile product including at least one of an RFID tag, a bag, and underwear attached to a user's belongings, receives an RFID signal transmitted from the RFID tag, and detects the belongings of the belongings based on the received RFID signal. It provides a management and loss notification system for belongings using RFID, which includes an RFID reader that determines whether the belongings are lost, and a user terminal that displays whether the belongings are lost according to a loss signal transmitted from the RFID reader.

Description

Management and loss notification system for belongings using RFID and control method thereof {A management and loss notification system for belongings using RFID and control method thereof}

The present invention relates to a management and loss notification system for belongings using RFID and a control method thereof, and more specifically, to a system that provides users with real-time information on the loss of belongings and a list of belongings for each situation. This relates to a management and loss notification system for belongings using RFID and its control method.

[Assignment number] JA210001

[Ministry Name] Ministry of Science and ICT

[Project management (professional) organization name] Korea Institute of Industrial Technology

[Research project name] Korea Institute of Industrial Technology research and operating expenses support (R&D) (main project expenses)

[Research project name] Development of smart textronics based on intelligent electronic fiber (5/5)

[Name of project carrying out organization] Korea Institute of Industrial Technology

[Research period] 2021.01.01~2021.12.31

Recently, a system to prevent loss or theft of goods is being developed using RFID (Radio Frequency Identification) technology.

For example, the Korean Patent Publication (Publication No. 10-2008-0008710) discloses a device for preventing theft and loss of a mobile phone using a mobile phone equipped with an RFID chip and an RFID chip receiver. These mobile phone theft and loss prevention devices fix the RFID chip to the IC chip in the smart card or fix the RFID chip directly to the surface of the smart card, and then establish a certain connection between the RFID chip and the RFID chip receiver mounted on the main board of the mobile phone. When there is a distance, the cell phone generates an alarm sound.

As another example, a Korean patent (registration number 10-0658199) discloses a communication terminal and method for preventing loss and theft. The communication terminal and method for preventing loss and theft can prevent the communication terminal or the article from being separated from each other due to loss or theft by generating an alarm signal when the object identifier installed on a valuable article moves more than a critical distance. .

However, in the conventional product loss and theft prevention system described above, when the number of types of articles increases, it is difficult for the user to know what type of article has been lost or stolen. In order to solve this problem, the type of warning sound, type of vibration, and number or intensity of light emission can be set differently for each type of article, but the type of article related to the type of warning sound, type of vibration, and number or intensity of light emission can be set by the user. It is difficult to remember them all.

In addition, the above-mentioned conventional product loss and theft prevention system allows the product to be stored even when the distance between the user and the product temporarily deviates from the critical distance, such as when the user goes out for a while or goes to the bathroom, and then returns to within the critical distance. There was a problem with the alarm sounding because it was judged to be stolen.

In addition, in the above-described prior art, although the types of items that users need to carry are different for each situation, there is no technology that provides a customized list of items to the user according to such situations.

(Patent Document 1) Publication of Patent No. 10-2008-0008710 (2008.01.24)

(Patent Document 2) Registered Patent Publication No. 10-0658199 (December 8, 2006)

The purpose of the present invention to solve the above problems is to attach an RFID tag to each item to be carried by the user, embed an RFID reader that communicates wirelessly with each RFID tag into an embedded textile product worn by the user, and then attach the RFID tag. Based on the RFID signal transmitted from will be.

The technical problem to be achieved by the present invention is not limited to the technical problem mentioned above, and other technical problems not mentioned can be clearly understood by those skilled in the art from the description below. There will be.

The configuration of the present invention for achieving the above object includes an RFID tag attached to a user's belongings; An RFID reader that is embedded in an interior textile product including at least one of a bag and underwear, receives an RFID signal transmitted from the RFID tag, and determines whether the belonging is lost based on the received RFID signal; and a user terminal that displays whether or not the belongings are lost according to a loss signal transmitted from the RFID reader. The present invention provides a management and loss notification system for belongings using RFID.

In an embodiment of the present invention, the RFID reader includes a database unit in which a preset loss range and a list of belongings are pre-stored, and the database unit has a first separation radius that is a predetermined distance away from the belongings. a loss range DB unit in which the preset loss range formed as a set of distances is pre-stored; and a possession list DB unit in which the possession list, which lists the belongings carried by the user for each situation, is pre-stored.

In an embodiment of the present invention, the RFID reader includes a signal receiver that receives the RFID signal transmitted from the RFID tag; and a distance estimation unit that estimates a second separation distance between the belongings and the interior textile product based on the strength of the RIFD signal transmitted from the signal receiver.

In an embodiment of the present invention, the RFID reader compares the first separation distance transmitted from the loss range DB unit and the second separation distance transmitted from the distance estimation unit, and the second separation distance is It further includes; an information processing unit that determines whether the belongings are lost according to a result of checking whether the belongings are within the preset loss range transmitted from the loss range DB unit; wherein when the second separation distance is outside the preset loss range , the information processing unit may be characterized in that it checks whether the second separation distance is outside the preset loss range within a preset time.

In an embodiment of the present invention, if the second separation distance exceeds the preset loss range even if the preset time exceeds the preset time, the information processing unit sends a loss signal determining that the belonging has been separated from the user. It may be characterized as being transmitted to a user terminal.

In an embodiment of the present invention, if the second separation distance is within the preset loss range or the second separation distance is outside the preset loss range within the preset time and then falls within the preset loss range, The information processing unit may be characterized in that it transmits to the user terminal an unresolved loss signal that determines that the belongings have not escaped from the user.

In an embodiment of the present invention, the RFID reader further includes a power supply unit that supplies power to the database unit, the signal receiver, the distance estimation unit, and the information processing unit, and the power supply unit includes a solar cell or a dry cell. and a rechargeable battery.

In an embodiment of the present invention, the user terminal displays loss status information of the belongings according to the loss signal transmitted from the information processing unit while the application interoperating with the information processing unit is operating, and simultaneously displays the loss status information of the belongings. A notification sound indicating that the item has been lost may be generated, and the loss status information may include the second separation distance and text indicating that the item has been lost.

In an embodiment of the present invention, the user terminal displays status information of the belongings according to the missing signal transmitted from the information processing unit while an application interoperating with the information processing unit is operating, and the status information is It may be characterized by including text indicating the second separation distance and that the belongings do not deviate from the preset loss range.

In an embodiment of the present invention, the list of belongings includes a list of belongings when going to work, where a watch, car keys, ID card, and wallet are listed, and a list of belongings when traveling, where a camera, passport, ID card, carrier, and camping supplies are listed. When the attendance icon, which includes any one of the item list and is displayed through an application running on the user terminal, is touched, the information processing unit selects the watch, the car key, the ID card, and Location information about the wallet is acquired and transmitted to the user terminal, and when a travel icon displayed through an application running on the user terminal is touched, the information processing unit includes the camera included in the list of belongings during the trip, It may be characterized by obtaining location information about the passport, the ID card, the carrier, and the camping supplies and transmitting it to the user terminal.

In an embodiment of the present invention, the user's belongings include at least one of a watch, a car key, a camera, and a passport, and the RFID signal includes a first RFID signal, a second RFID signal, a third RFID signal, and a third RFID signal. It includes 4 RFID signals, and the RFID tag includes: a first RFID tag attached to the watch and transmitting the first RFID signal to the RFID reader; a second RFID tag attached to the car key and transmitting the second RFID signal to the RFID reader; a third RFID tag attached to the camera and transmitting the third RFID signal to the RFID reader; and a fourth RFID tag attached to the passport and transmitting the fourth RFID signal to the RFID reader.

The configuration of the present invention to achieve the above object is a method of controlling the management and loss notification system of belongings using RFID as described above, (a) a plurality of RFID tags are attached to a plurality of belongings, respectively. step; (b) an RFID reader receiving RFID signals transmitted from the plurality of RFID tags; (c) the RFID reader generating a lost signal according to a result of comparing a preset first separation distance with a second separation distance generated based on the plurality of RFID signals; (d) the RFID reader transmitting a loss signal to the user terminal indicating that at least one of the plurality of belongings having a second separation distance outside the preset first separation distance has been lost; and (e) the user terminal generating a notification sound according to the loss signal transmitted from the RFID reader and displaying loss status information on a display unit provided in the user terminal. Provides a method for managing used belongings and controlling the loss notification system.

In an embodiment of the present invention, in step (c), (c1) the distance estimation unit provided in the RFID reader determines the distance between the belongings and the belongings based on the strength of the RFID signal transmitted from the signal receiving unit provided in the RFID reader. estimating the second separation distance between the interior fiber products; (c2) transmitting, from the database unit provided in the RFID reader, a preset loss range formed as a set of the preset first separation distances to the information processing unit provided in the RFID reader; (c3) the information processing unit confirming whether the second separation distance is within the preset loss range; And (c4) when the second separation distance is outside the preset loss range, the information processing unit checks whether the second separation distance is outside the preset loss range within a preset time. It can be characterized as:

In an embodiment of the present invention, in step (c), (c5) when the information processing unit exceeds the preset loss range even if the second separation distance exceeds the preset time, the belongings are determining that the user has left and generating the lost signal; and (c6) when the second separation distance is within the preset loss range or the second separation distance is outside the preset loss range within the preset time and then within the preset loss range, the information processing unit It may further include the step of transmitting to the user terminal an unlost signal that determines that the belongings have not escaped from the user.

The effect of the present invention according to the above configuration is to attach an RFID tag to each item to be carried by the user, embed an RFID reader that communicates wirelessly with each RFID tag in an embedded textile product worn by the user, and then receive information from the RFID tag. Based on the transmitted RFID signal, the user is provided with information on the list of belongings that must be taken for each situation along with confirmation of loss of belongings, allowing immediate response by identifying the loss of belongings, and checking the loss of belongings according to the situation. Information on the item list provides convenience so that users can quickly pack all the belongings appropriate for their situation.

The effects of the present invention are not limited to the effects described above, and should be understood to include all effects that can be inferred from the configuration of the invention described in the detailed description or claims of the present invention.

Figure 1 is a block diagram showing a management and loss notification system for belongings using RFID according to an embodiment of the present invention.
Figure 2 is a conceptual diagram showing a management and loss notification system for belongings using RFID according to an embodiment of the present invention.
3 (a) and (b) show a list of belongings provided in the database section in the management and loss notification system of belongings using RFID according to an embodiment of the present invention, and a list of belongings already stored in the DB section and a list of belongings when going to work. This diagram shows an example of a list of belongings when traveling.
Figure 4 is a flow chart showing the operation process of the management and loss notification system for belongings using RFID according to an embodiment of the present invention.
Figure 5 is a flowchart showing a control method of a management and loss notification system for belongings using RFID according to an embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the attached drawings. However, the present invention may be implemented in various different forms and, therefore, is not limited to the embodiments described herein. In order to clearly explain the present invention in the drawings, parts that are not related to the description are omitted, and similar parts are given similar reference numerals throughout the specification.

Throughout the specification, when a part is said to be "connected (connected, contacted, combined)" with another part, this means not only "directly connected" but also "indirectly connected" with another member in between. "Includes cases where it is. Additionally, when a part is said to “include” a certain component, this does not mean that other components are excluded, but that other components can be added, unless specifically stated to the contrary.

The terms used herein are only used to describe specific embodiments and are not intended to limit the invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, terms such as “comprise” or “have” are intended to indicate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof.

Hereinafter, embodiments of the present invention will be described in detail with reference to the attached drawings.

1. Management and loss notification system for belongings using RFID

Hereinafter, a management and loss notification system for belongings using RFID according to an embodiment of the present invention will be described with reference to FIGS. 1 to 4.

Figure 1 is a block diagram showing a management and loss notification system for belongings using RFID according to an embodiment of the present invention.

Referring to FIG. 1, the management and loss notification system for belongings using RFID according to an embodiment of the present invention includes an RFID tag 100, an RFID reader 200, and a user terminal 300.

Figure 2 is a conceptual diagram showing a management and loss notification system for belongings using RFID according to an embodiment of the present invention.

The belongings 10 are items owned by the user, and an RFID tag 100 is attached to them. Referring to FIG. 2, the belongings 10 may exemplarily include at least one of a watch 11, a car key 12, a camera 13, and a passport 14.

Additionally, the embedded textile product 20 is a product capable of embedding an RFID reader 200. Referring to Figure 2, the built-in textile product 20 may include either a bag 21 that the user can carry and underwear 22 that the user can wear.

The RFID tag 100, also called a transponder, stores data read from a unique ID or sensor and transmits the information in various ways when an RFID reader requests it.

The RFID tag 100 for this purpose is attached to the user's belongings 10, as shown in FIG. 2.

The RFID tag 100 illustratively includes a first RFID tag 110, a second RFID tag 120, a third RFID tag 130, and a fourth RFID tag 140. It is not limited.

That is, the number of RFID tags 100 can be changed and applied as needed.

The first RFID tag 110 is attached to the watch 11 and transmits the first RFID signal to the RFID reader 200.

The second RFID tag 120 is attached to the car key 12 and transmits a second RFID signal to the RFID reader 200.

The third RFID tag 130 is attached to the camera 13 and transmits the third RFID signal to the RFID reader 200.

The fourth RFID tag 140 is attached to the passport 14 and transmits the fourth RFID signal to the RFID reader 200.

3 (a) and (b) show a list of belongings provided in the database section in the management and loss notification system of belongings using RFID according to an embodiment of the present invention, and a list of belongings already stored in the DB section and a list of belongings when going to work. This diagram shows an example of a list of belongings when traveling.

Figure 4 is a flow chart showing the operation process of the management and loss notification system for belongings using RFID according to an embodiment of the present invention.

The RFID reader 200 is built into the embedded textile product 20 including at least one of the bag 21 and the underwear 22, receives the RFID signal transmitted from the RFID tag 100, and reads the received RFID signal. Based on this, it is determined whether the belongings (10) are lost.

Here, the RFID signal includes the above-described first RFID signal, second RFID signal, third RFID signal, and fourth RFID signal.

The RFID reader 200 for this includes a database unit 210, a signal reception unit 220, a distance estimation unit 230, an information processing unit 240, and a power supply unit 250.

In the database unit 210, a preset loss range and a list of belongings are pre-stored.

The database unit 210 includes a loss range DB unit 211 and a possession list DB unit 212.

The loss range DB unit 211 pre-stores a preset loss range formed as a set of the first separation distance, which is a radius spaced a predetermined distance away from the belongings 10.

Specifically, the preset loss range is radially spaced based on the belongings 10, assuming that the position of the belongings 10 in the space consisting of the x-axis, y-axis, and z-axis is (0, 0, 0). It means an area consisting of a first separation distance, and is formed in a circle with the belongings 10 at the center.

As an example, assuming that the first preset separation distance is 30m, the preset loss range is 1m to 30m. If the belongings 10 move beyond 30 m, they may be judged as being separated from the user or lost.

In other words, the preset loss range serves as a standard for determining whether the belongings 10 have escaped or been lost.

The possession list DB unit 212 pre-stores a possession list in which the user's possessions are listed for each situation.

Specifically, the list of items carried when going to work includes a watch (11), car keys (12), ID card, and wallet, as well as a list of cameras (13), passport (14), ID card, carrier, and camping supplies. You can include any one of the items on your travel list.

In addition to the above-mentioned list, the list of belongings may further include a list of belongings when leaving work, a list of belongings when going out briefly, and a list of belongings when traveling on a business trip.

The signal receiver 220 receives the RFID signal transmitted from the RFID tag 100. The signal receiver 220 described above transmits the RFID signal to the distance estimation unit 230.

The distance estimation unit 230 estimates the second separation distance between the belongings 10 and the built-in textile product 20 based on the strength of the RIFD signal transmitted from the signal receiving unit 220.

For example, if the distance between the watch 11 and the bag 21 is 10 m and the distance between the car key 12 and the bag 21 is 15 m, the first RFID tag 110 attached to the watch 11 is Since the strength of the first RFID signal transmitted is relatively smaller than the strength of the second RFID signal transmitted by the second RFID tag 120 attached to the car key 12, the distance estimation unit 230 determines that the watch 11 It can be estimated that the distance to the user is closer than the car key 12.

As described above, the distance estimation unit 230 can compare the strengths of RFID signals to estimate the relative distances of the watch 11, car key 12, camera 13, and passport 14.

The information processing unit 240 compares the first separation distance transmitted from the loss range DB unit 211 with the second separation distance transmitted from the distance estimation unit 230, and the second separation distance is calculated from the loss range DB unit 211. It is determined whether the item 10 is lost according to the result of checking whether it is within a preset loss range transmitted from .

Specifically, when the second separation distance is outside the preset loss range, the information processing unit 240 checks whether the second separation distance is outside the preset loss range within a preset time. The above process is to accurately determine whether the belongings 10 are lost, taking into account the case where the belongings 10 are temporarily separated or moved away from the user. Here, the preset time can be set by the user, such as 5 minutes, 10 minutes, 20 minutes, etc.

For example, if a user leaves the car key 12 on a desk in the office and goes to the bathroom briefly, the above case is not lost.

Accordingly, the information processing unit 240 accurately determines whether the belongings 10 are lost by considering the above-mentioned situation.

Next, if the second separation distance exceeds the preset loss range even after the preset time exceeds, the information processing unit 240 transmits a loss signal to the user terminal 300 for determining that the belongings 10 have been separated from the user. do.

On the other hand, if the second separation distance is within the preset loss range or the second separation distance is outside the preset loss range within a preset time and then within the preset loss range, the information processing unit detects that the belongings 10 are separated from the user. The missing signal determined not to be lost is transmitted to the user terminal 300.

In addition, in relation to the list of belongings, the information processing unit 240 additionally detects the watch 11 and car keys included in the list of belongings when going to work when the attendance icon displayed through the application running on the user terminal 300 is touched. (12), location information on the ID card and wallet is acquired and transmitted to the user terminal (300).

In addition, the information processing unit 240, when the travel icon displayed through the application running on the user terminal 300 is touched, the camera 13, passport 14, ID card, carrier, and Location information about camping supplies is acquired and transmitted to the user terminal 300.

Accordingly, the user terminal 300 displays the location of the belongings 10 through the display unit.

According to the technical characteristics of the information processing unit 240 described above, the user has the advantage of being able to quickly check the location of the belongings 10 that must be carried depending on the situation.

The power supply unit 250 supplies power to the database unit 210, the signal reception unit 22, the distance estimation unit 230, and the information processing unit 240.

The power supply unit 250 for this may be any one of solar cells, dry batteries, and rechargeable batteries.

The user terminal 300 displays whether the belongings 10 are lost according to the loss signal transmitted from the RFID reader 200.

Specifically, the user terminal 300 displays the loss status information of the belongings 10 according to the loss signal transmitted from the information processing unit 240 while the application linking with the information processing unit 240 is operating, and simultaneously displays the lost status information of the belongings 10. (10) generates a sound to indicate that it has been lost.

At this time, the loss status information may include the second separation distance, the location (=coordinates) of the belonging article 10, and text indicating that the belonging article 10 is lost.

Meanwhile, the user terminal 300 displays status information on the belongings 10 according to the missing signal transmitted from the information processing unit 240 while the application interoperating with the information processing unit 240 is running.

At this time, the status information includes the second separation distance, the location of the belongings, and text indicating that the belongings do not exceed the preset loss range.

2. Control method for management of belongings and loss notification system using RFID

Hereinafter, a management and loss notification system for belongings using RFID according to an embodiment of the present invention will be described with reference to FIGS. 1 to 5.

Figure 5 is a flowchart showing a control method of a management and loss notification system for belongings using RFID according to an embodiment of the present invention.

Referring to FIG. 5, the method of controlling the management and loss notification system of belongings using RFID according to an embodiment of the present invention includes the method of controlling the management and loss notification system of belongings using RFID as described above, (a) a step (S100) in which a plurality of RFID tags (110, 120, 130, 140) are attached to a plurality of belongings, (b) the RFID reader 200 attaches a plurality of RFID tags (110, 120, 130, 140) receiving the RFID signal transmitted from (S200), (c) according to the result of the RFID reader 200 comparing the preset first separation distance with the second separation distance generated based on a plurality of RFID signals. Generating a lost signal (S300), (d) the RFID reader 200 generates a lost signal indicating that at least one of the plurality of belongings having a second separation distance outside the preset first separation distance has been lost. Step (S400) of transmitting to the user terminal and (e) the user terminal 300 generates a notification sound according to the loss signal transmitted from the RFID reader 200 and displays the lost status on the display unit provided in the user terminal 300. It includes a step (S500) in which information is displayed.

First, in step (a), as shown in FIG. 2, a first RFID tag ( 110), the second RFID tag 120, the third RFID tag 130, and the fourth RFID tag 140 are attached, respectively.

Next, referring to FIG. 4, in step (b), the signal processing unit 220 receives first to fourth RFID signals transmitted from the first to fourth RFID tags 110, 120, 130, and 140.

At this time, the signal processing unit 220 may receive the first to fourth RFID signals through wireless communication with the first to fourth RFID tags 110, 120, 130, and 140.

In step (c), (c1) the distance estimation unit 230 provided in the RFID reader 200 determines the belonging item based on the strength of the RFID signal transmitted from the signal receiving unit 220 provided in the RFID reader 200. (10) and the step of estimating the second separation distance between the built-in textile product 20, (c2) the database unit 210 provided in the RFID reader 200 is connected to the information processing unit 240 provided in the RFID reader 200. transmitting a preset loss range formed as a set of preset first separation distances, (c3) the information processing unit 240 checking whether the second separation distance is within the preset loss range, and (c4) the information processing unit (240) includes a step of checking whether the second separation distance is outside the preset loss range within a preset time when the second separation distance is outside the preset loss range.

In addition, in step (c), after step (c4), (c5) if the information processing unit 240 exceeds the preset loss range even if the second separation distance exceeds the preset time, the belongings 10 A step of generating a lost signal by determining that the user is separated from the user, and (c6) the second separation distance is within a preset loss range or the second separation distance is outside the preset loss range within a preset time and then the preset loss range is reached. If it is within, the information processing unit 240 transmits to the user terminal 300 a missing signal that determines that the belongings have not escaped from the user.

Next, after step (c5), step (d) is performed.

In step (d), the information processing unit 240 provided in the RFID reader 200 selects the watch 11, car key 12, camera 13, and passport 14 included in the belongings 10. A loss signal indicating that at least one device having a second separation distance outside the preset loss range including the set first separation distance has been lost is transmitted to the user terminal 300.

Finally, in step (e), the user terminal 300 generates a notification sound according to the loss signal transmitted from the information processing unit 240 in step (d) and simultaneously displays the lost item 10 on the display unit. Displays loss status information.

The description of the present invention described above is for illustrative purposes, and those skilled in the art will understand that the present invention can be easily modified into other specific forms without changing the technical idea or essential features of the present invention. will be. Therefore, the embodiments described above should be understood in all respects as illustrative and not restrictive. For example, each component described as unitary may be implemented in a distributed manner, and similarly, components described as distributed may also be implemented in a combined form.

The scope of the present invention is indicated by the patent claims described below, and all changes or modified forms derived from the meaning and scope of the claims and their equivalent concepts should be construed as being included in the scope of the present invention.

10: Items in your possession
11: clock
12: Car key
13: Camera
14: Passport
20: Built-in fiber products
21: bag
22: Underwear
100: RFID tag
110: First RFID tag
120: Second RFID tag
130: Third RFID tag
140: Fourth RFID tag
200: RFID reader
210: Database unit
211: Loss range DB section
212: DB section of possession list
220: signal receiver
230: Distance estimation unit
240: Information processing department
250: Power supply unit
300: User terminal

Claims (14)

RFID tags attached to the user's belongings;
An RFID reader that is embedded in an interior textile product including at least one of a bag and underwear, receives an RFID signal transmitted from the RFID tag, and determines whether the belonging is lost based on the received RFID signal; and
It includes a user terminal that displays whether the belongings are lost or not according to a loss signal transmitted from the RFID reader,
The RFID reader,
A signal receiver that receives the RFID signal transmitted from the RFID tag;
a distance estimation unit that estimates a second separation distance between the belongings and the interior textile product based on the strength of the RIFD signal transmitted from the signal receiver;
A loss range DB section in which the preset loss range is pre-stored, which is formed as a set of a first separation distance that is a radius spaced a predetermined distance away from the belongings, and the belongings in which the belongings possessed by the user are listed for each situation. A database unit in which a pre-set loss range and a list of possessions are pre-stored, including a DB unit with a list of belongings in which the list is pre-stored; and
The first separation distance transmitted from the loss range DB unit is compared with the second separation distance transmitted from the distance estimation unit, and the second separation distance is within the preset loss range transmitted from the loss range DB unit. It includes an information processing unit that determines whether the belongings are lost according to the result of checking whether the belongings are present,
If the second separation distance is outside the preset loss range, the information processing unit checks whether the second separation distance is outside the preset loss range within a preset time. management and loss notification system.
delete delete delete According to claim 1,
The information processing unit is characterized in that if the second separation distance exceeds the preset loss range even if the preset time exceeds the preset loss range, it transmits a loss signal determining that the belongings have been separated from the user to the user terminal. A management and loss notification system for belongings using RFID.
According to claim 1,
If the second separation distance is within the preset loss range or the second separation distance exceeds the preset loss range within the preset time and then falls within the preset loss range, the information processing unit removes the belongings. A management and loss notification system for belongings using RFID, characterized in that an unlost signal determined not to have escaped from the user is transmitted to the user terminal.
According to claim 1,
The RFID reader,
It further includes a power supply unit that supplies power to the database unit, the signal receiver, the distance estimation unit, and the information processing unit,
A management and loss notification system for belongings using RFID, wherein the power supply unit is one of solar cells, batteries, and rechargeable batteries.
According to clause 5,
The user terminal displays loss status information of the belongings according to the loss signal transmitted from the information processing unit while the application interoperating with the information processing unit is running and simultaneously generates a notification sound indicating that the belongings are lost. order,
The loss status information is a management and loss notification system for belongings using RFID, characterized in that it includes the second separation distance and text indicating that the belongings have been lost.
According to clause 6,
The user terminal displays status information of the belongings according to the missing signal transmitted from the information processing unit while an application interoperating with the information processing unit is operating,
The status information includes the second separation distance and text indicating that the belongings do not exceed the preset loss range.
According to claim 1,
The list of belongings includes either a list of belongings when going to work, which lists a watch, car keys, ID, and wallet, and a list of belongings when traveling, which lists a camera, passport, ID, carrier, and camping supplies. ,
When the attendance icon displayed through an application running on the user terminal is touched, the information processing unit obtains location information about the watch, car key, ID card, and wallet included in the list of belongings when going to work. Transmitted to the user terminal,
When the travel icon displayed through the application running on the user terminal is touched, the information processing unit provides location information for the camera, passport, ID card, carrier, and camping supplies included in the list of belongings during the trip. A management and loss notification system for belongings using RFID, characterized in that it acquires and transmits to the user terminal.
According to claim 1,
The user's belongings include at least one of a watch, car keys, camera, and passport,
The RFID signal includes a first RFID signal, a second RFID signal, a third RFID signal, and a fourth RFID signal,
The RFID tag is,
a first RFID tag attached to the watch and transmitting the first RFID signal to the RFID reader;
a second RFID tag attached to the car key and transmitting the second RFID signal to the RFID reader;
a third RFID tag attached to the camera and transmitting the third RFID signal to the RFID reader; and
A fourth RFID tag attached to the passport and transmitting the fourth RFID signal to the RFID reader. A management and loss notification system for belongings using RFID, comprising:
In the control method of the management and loss notification system of belongings using RFID according to paragraph 1,
(a) attaching a plurality of RFID tags to a plurality of belongings;
(b) an RFID reader receiving RFID signals transmitted from the plurality of RFID tags;
(c) the RFID reader generating a lost signal according to a result of comparing a preset first separation distance with a second separation distance generated based on the plurality of RFID signals;
(d) the RFID reader transmitting a loss signal to the user terminal indicating that at least one of the plurality of belongings having a second separation distance outside the preset first separation distance has been lost; and
(e) the user terminal generating a notification sound according to the loss signal transmitted from the RFID reader and displaying loss status information on a display unit provided in the user terminal. Control method for management of belongings and loss notification system.
According to claim 12,
In step (c),
(c1) a distance estimation unit provided in the RFID reader estimating the second separation distance between the belongings and the built-in textile product based on the strength of the RFID signal transmitted from a signal receiving unit provided in the RFID reader;
(c2) transmitting, from the database unit provided in the RFID reader, a preset loss range formed as a set of the preset first separation distances to the information processing unit provided in the RFID reader;
(c3) the information processing unit confirming whether the second separation distance is within the preset loss range; and
(c4) when the second separation distance is outside the preset loss range, the information processing unit checks whether the second separation distance is outside the preset loss range within a preset time; including; A method of controlling belongings management and loss notification system using RFID.
According to claim 13,
In step (c),
(c5) when the information processing unit exceeds the preset loss range even if the second separation distance exceeds the preset time, determining that the item has escaped from the user and generating the loss signal; and
(c6) If the second separation distance is within the preset loss range or the second separation distance exceeds the preset loss range within the preset time and then falls within the preset loss range, the information processing unit A control method for a management and loss notification system for belongings using RFID, further comprising: transmitting to the user terminal an unlost signal that determines that the belongings have not escaped from the user.

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