JP7273695B2 - Network systems, electrical equipment, and programs - Google Patents

Description

The present invention relates to technology for wireless communication between electrical equipment and wireless access points.

2. Description of the Related Art Conventionally, there has been known a technique for connecting electrical equipment to the Internet using a wireless access point such as a WiFi (registered trademark) router. For example, Japanese Patent Laying-Open No. 2014-175892 (Patent Document 1) discloses a wireless communication system, a wireless communication terminal, a wireless communication device, a wireless communication method, and a wireless communication terminal control program. According to Patent Document 1, a wireless communication device generates a temporary connection passcode from a temporary connection SSID according to a predetermined rule, wirelessly transmits the temporary connection SSID, and transmits the temporary connection SSID and the temporary connection passcode. In the temporary connection established with the wireless communication terminal using the SSID, the SSID for permanent connection and the passcode for permanent connection are transmitted to the wireless communication terminal. The wireless communication terminal acquires the temporary connection SSID from the wireless communication device, generates a temporary connection passcode from the temporary connection SSID according to a predetermined rule, and uses the temporary connection SSID and the generated temporary connection passcode. Make a temporary connection with the wireless communication device, acquire the SSID for main connection and the passcode for main connection from the wireless communication device in the temporary connection, and use the SSID for main connection and the passcode for main connection to establish the main connection with the wireless communication device I do.

JP 2014-175892 A

SUMMARY OF THE INVENTION An object of the present invention is to provide a technology that enables an electric device to be connected to a wireless access point more easily than before.

According to one aspect of the invention, a network system is provided that includes a wireless access point and a plurality of electrical devices. A first electrical device among the plurality of electrical devices stores identification information of an electrical device that has already been paired with itself, and wirelessly accesses in response to a request from a second electrical device of the stored identification information. Information necessary for connection with the point is transmitted to the second electrical device.

As described above, according to the present invention, there is provided a technology that allows an electrical device to be connected to a wireless access point more easily than before.

1 is an image diagram showing an overall configuration of a network system 1 according to a first embodiment; FIG. 1 is a block diagram showing the configuration of an electric device 100 according to a first embodiment; FIG. 3 is a block diagram showing the configuration of server 300 according to the first embodiment; FIG. 4 is an image diagram showing pairing data 321 according to the first embodiment; FIG. 4 is an image diagram showing a first operating state of the network system 1 according to the first embodiment; FIG. FIG. 5 is an image diagram showing a second operating state of the network system 1 according to the first embodiment; FIG. 9 is an image diagram showing a third operating state of the network system 1 according to the first embodiment; FIG. 4 is a sequence diagram showing information processing of the network system 1 according to the first embodiment; FIG. FIG. 11 is an image diagram showing a fourth operating state of network system 1 according to the first embodiment; FIG. 11 is an image diagram showing a fifth operating state of the network system 1 according to the first embodiment; FIG. 12 is an image diagram showing a sixth operating state of the network system 1 according to the first embodiment; FIG. 12 is an image diagram showing a seventh operating state of the network system 1 according to the first embodiment; FIG. 11 is an image diagram showing an eighth operating state of network system 1 according to the first embodiment; FIG. 20 is an image diagram showing a ninth operating state of the network system 1 according to the first embodiment; FIG. 20 is an image diagram showing a tenth operating state of the network system 1 according to the first embodiment; FIG. 20 is an image diagram showing an eleventh operating state of the network system 1 according to the first embodiment; FIG. 20 is an image diagram showing a twelfth operating state of the network system 1 according to the first embodiment; It is a flow chart which shows information processing of the 2nd electric equipment concerning a 1st embodiment. It is a flow chart which shows information processing of the 1st electric equipment concerning a 1st embodiment. 4 is a flowchart showing user operations according to the first embodiment;

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description, the same parts are given the same reference numerals. Their names and functions are also the same. Therefore, detailed description thereof will not be repeated.
<First embodiment>
<Overall configuration of network system>

First, a simple overall configuration of a network system 1 according to the present embodiment will be described with reference to FIGS. 1 and 2. FIG. The network system 1 mainly includes various electric devices such as a smartphone 100A, a washing machine 100B, a vacuum cleaner 100C, an air conditioner 100D, and air conditioners paired according to instructions from the electric devices such as the smartphone 100A. It includes a home appliance control server 300 on the cloud for controlling other electrical devices such as 100D, and a router 400 for performing wireless communication such as WiFi (registered trademark) with various electrical devices.

Note that the electrical equipment is not limited to the smartphone 100A, washing machine 100B, vacuum cleaner 100C, and air conditioner 100D shown in FIG. Home appliances such as robots, communication terminals such as tablets, personal computers, wearable terminals, game machines, music players, and electronic book terminals, residential equipment such as solar power generators, intercoms, water heaters, and the like may be used. These devices are also collectively referred to as electrical equipment 100 .

In this embodiment, electrical devices 100 are connected to each other via router 400 and connected to the Internet and server 300 via router 400 . Some electric devices 100 can also be connected to the Internet or server 300 via a carrier network without going through router 400 .

Particularly in the present embodiment, with respect to the electric devices 100 that are paired with each other, when the first electric device is connected to the router 400, the first electric device connects to the router 400. It provides the second electrical device with information necessary for the second electrical device, such as the ID and password of the router 400 . This eliminates the need for the user to enter the ID and password of router 400 into the second electrical device. The configuration of the network system 1 for realizing such functions will be described in detail below.
<Configuration of electrical device 100>

A configuration of an electrical device 100 that configures the network system 1 according to the present embodiment will be described. Referring to FIG. 2, electrical device 100 according to the present embodiment includes, as main components, CPU 110, memory 120, display 130, operation unit 140, communication interface 160, speaker 170, and microphone 180. , and the device driver 190 .

CPU 110 controls each part of electric device 100 by executing a program stored in memory 120 or an external storage medium.

The memory 120 is realized by various RAMs (random access memories), various ROMs (read-only memories), and the like, and may be included in the electrical device 100 or may be provided in various interfaces of the electrical device 100. It may be detachable, or may be a recording medium of another device accessible from electrical device 100 . The memory 120 stores programs executed by the CPU 110, data generated by the execution of the programs by the CPU 110, data input via the operation unit 140, data received from the remote controller, and data received from the server 300 via the router 400 or the Internet. It stores information necessary for using various services such as received data and the address of a server corresponding to the electric device 100 . In particular, in the present embodiment, memory 120 stores ID data 121 of router 400, password data 122 of router 400, identification information of itself used for pairing with other electric devices, model name, and so on. It stores nickname data 123, identification information of other paired electrical devices, model and nickname data 124, and the like.

Display 130 outputs characters, images, and the like based on signals from CPU 110 . Note that the display 130 may simply be an LED light or the like, or may be omitted.

Operation unit 140 is realized by a button, a touch panel, or the like, receives a command from a user, and inputs the command to CPU 110 . For example, it includes buttons required for WiFi (registered trademark) connection. Display 130 and operation unit 140 may form touch panel 150 .

It should be noted that some of the electric devices 100 according to the present embodiment can connect the electric device 100 and the router 400 even if the operation unit 140 and the display 130 for inputting the ID and password of the router 400 are not provided. Therefore, the operation unit 140 and the display 130 may not be provided.

The communication interface 160 includes an antenna for wireless communication conforming to BLE (Bluetooth (registered trademark) Low Energy), wireless communication conforming to WiFi (registered trademark), wireless communication with a carrier network, and wired communication. It is realized by a connector, an infrared transmitting/receiving section, an ultrasonic transmitting/receiving section, and the like. Note that the communication interface 160 may be provided on a communication adapter board separately from the main control board of the electric device 100 .

Then, CPU 110 directly transmits/receives data to/from other electric device 100 via communication interface 160 by a communication method conforming to BLE. In addition, the CPU 110 transmits and receives data to and from the router 400 via the communication interface 160 using a communication method conforming to WiFi (registered trademark). In addition, CPU 110 communicates with server 300 and the cloud via communication interface 160 and the carrier network and router 400 .

Speaker 170 outputs a voice message or the like based on voice data from CPU 110 . A microphone 180 acquires a user's voice or the like and inputs voice data to the CPU 110 .

Device driving section 190 controls each section (motor, heater, sensor, antenna, etc.) of electrical device 100 based on a signal from CPU 110 . For example, the washing machine 100B is a motor, the air conditioner 100D is a compressor and fan, the microwave oven is an antenna and turntable for cooking, and the smartphone is a 6-axis sensor. do.
<Configuration of Server 300>

Next, one aspect of the configuration of the server 300 configuring the network system 1 according to the present embodiment will be described. Referring to FIG. 3, server 300 includes a CPU 310, a memory 320, an operation unit 340, and a communication interface 360 as main components.

CPU 310 controls each unit of server 300 by executing programs stored in memory 320 .

The memory 320 is implemented by various types of RAM, various types of ROM, etc., and may be included in the server 300, or may be detachable from various interfaces of the server 300. It may be a recording medium of another device accessible from. Memory 320 stores programs executed by CPU 310, data generated by execution of programs by CPU 310, input data, data indicating the pairing relationship between electric device 100 and smartphone 100A, and other data according to the present embodiment. It stores databases and the like used for such processing and services.

For example, memory 320 stores pairing data 321 as shown in FIG. The pairing data 321 stores the correspondence relationship between the electrical devices 100 for which pairing is successful. Referring to pairing data 321, CPU 310 transmits a control command from smartphone 100A to corresponding air conditioner 100D or provides information from washing machine 100B to corresponding smartphone 100A while using communication interface 260. or

Returning to FIG. 3 , operation unit 340 receives a command from a service administrator or the like and inputs the command to CPU 310 .

Communication interface 360 transmits data from CPU 310 to other devices such as electrical device 100 and other servers via the Internet, a carrier network, router 400, and the like. Conversely, communication interface 360 receives data from other devices such as electrical device 100 and other servers via the Internet, carrier network, router 400 and the like, and transfers the data to CPU 310 .

The method of pairing between electrical devices is not particularly limited. For example, when predetermined information is input to two electrical devices 100 within a predetermined period of time, CPU 310 causes the two electrical devices 100 to pair, or causes the first electrical device to output predetermined information to the first electrical device. When the predetermined information is input to the two electrical devices, the two electrical devices 100 are paired. If the pairing is successful, the user can control the second electrical device via the first electrical device or display information about the second electrical device on the first electrical device, as described above. be able to.
<Information processing of network system 1>

Next, information processing in each device in network system 1 according to the present embodiment will be described. First, as a premise, it is assumed that smartphone 100A as a first electrical device and washing machine 100B as a second electrical device have already been paired and registered in home appliance control server 300 . In other words, smartphone 100A stores the identification information of washing machine 100B.

For example, as shown in FIG. 5, smartphone 100A and washing machine 100B have been connected to router 400 in the past by a normal method such as WPS or direct password input. Then, washing machine 100B accesses server 300 via the Internet, and smartphone 100A and washing machine 100B are paired in server 300 by an application program for home appliance control of smartphone 100A. In the present embodiment, the identification information of washing machine 100B is provided from washing machine 100B or server 300 to smartphone 100A at the time of pairing. The identification information of smartphone 100A is also preferably provided from smartphone 100A or server 300 to washing machine 100B.

In this state, router 400 may fail or be replaced with a new one, as shown in FIG.

Then, as shown in FIG. 7, a new router 400 is installed and connected to the Internet line. The user connects smart phone 100A to router 400 by a normal method such as WPS or direct password input. Accordingly, smartphone 100A acquires the ID and password of new router 400 .

At this time, since washing machine 100B has not acquired the ID and password of new router 400, it cannot connect to router 400 and cannot communicate with the Internet or server 300. FIG. In this state, in the network system 1 according to the present embodiment, processing as shown in FIG. 8 is executed.

First, the washing machine 100B emits an advertising beacon in the BLE wireless system (step S002, FIG. 9). The advertising beacon includes its own identification information used for pairing, information for requesting information necessary for connecting to the router 400, and the like.

Smartphone 100A receives the advertising beacon and identifies washing machine 100B as electrical device 100 that is not connected to router 400 (step S004, FIG. 10). At this time, smartphone 100A waits for an instruction to connect washing machine 100B to router 400 . In other words, it waits for permission to connect washing machine 100B to router 400 or not.

Upon receiving an instruction to connect washing machine 100B to router 400 (step S006, FIG. 11), smartphone 100A displays that connection processing is in progress (step S008, FIG. 12).

Smartphone 100A establishes a BLE connection with washing machine 100B and provides the SSID and password of router 400 (step S010, FIGS. 12 to 14).

More specifically, smartphone 100A requests washing machine 100B for BLE connection (step S012, FIG. 12). Washing machine 100B stops transmitting the advertising beacon (step S014, FIG. 12). Washing machine 100B and smartphone 100A establish a BLE connection (step S016, FIG. 13). Smartphone 100A transmits the SSID and password of router 400 to washing machine 100B via BLE communication (step S018, FIG. 14).

Washing machine 100B makes a connection request to router 400 based on the SSID and password of router 400 obtained from smartphone 100A (step S022, FIG. 15).

Router 400 confirms the SSID and password and approves the connection with washing machine 100B (step S024, FIG. 15).

Washing machine 100B notifies smartphone 100A that connection with router 400 has been completed (step S026, FIG. 16).

Based on the notification from washing machine 100B, smartphone 100A displays that washing machine 100B has successfully established a WiFi connection with router 400 (step S028, FIG. 17).
<Details of Information Processing in Washing Machine 100B as Second Electric Device>

Next, information processing in each device in network system 1 according to the present embodiment will be described in more detail. As described above, it is assumed that smartphone 100A as the first electrical device and washing machine 100B as the second electrical device have already been paired and registered in home appliance control server 300 . In other words, smartphone 100A stores the identification information of washing machine 100B.

First, information processing in washing machine 100B will be described. Referring to FIG. 18 , CPU 110 of washing machine 100B executes the following processes according to the program in memory 120 . CPU 110 attempts connection with router 400 via communication interface 160 (step S102). If connection with router 400 is not possible (NO in step S102), CPU 110 determines via communication interface 160 whether or not connection has continued for a certain period of time or longer (step S104).

If the disconnection has continued for a certain period of time or more (YES in step S104), CPU 110 emits an advertising beacon via communication interface 160 in the BLE wireless system (step S106, FIG. 9). The advertising beacon includes its own identification information used for pairing, information for requesting information necessary for connecting to the router 400, and the like.

CPU 110 transmits an advertise beacon until it receives a BLE connection request from another electrical device via communication interface 160 (if YES in step S108) (step S106).

For example, when a BLE connection request is received from smartphone 100A (if YES in step S108, FIG. 12), CPU 110 stops outputting the advertising beacon via communication interface 160 and establishes a BLE connection with smartphone 100A. Processing is performed (step S110, FIG. 13).

When the BLE connection with smartphone 100A is established (YES in step S112), CPU 110 receives the SSID and password of router 400 from smartphone 100A via communication interface 160 (step S114, FIG. 14).

CPU 110 issues a connection request to router 400 via communication interface 160 based on the SSID and password of router 400 acquired from smartphone 100A (step S116, FIG. 15).

When the connection with router 400 is successful (YES in step S118), CPU 110 notifies smartphone 100A via communication interface 160 that the connection with router 400 has been completed (step S120, FIG. 16). ).
<Details of Information Processing in Smartphone 100A as First Electric Device>

Next, information processing in washing machine 100B will be described. Referring to FIG. 19 , CPU 110 of smartphone 100A executes the following processes according to the program in memory 120 . When CPU 110 receives an advertising beacon via communication interface 160 (if YES in step S132, FIG. 9), CPU 110 identifies a paired electrical device based on the identification information included in the advertising beacon, The communication status of the electrical equipment and the like are acquired, and the type and nickname of the electrical equipment are displayed on the display 130 (FIG. 9).

CPU 110 displays on display 130 the type and nickname of the electrical device, the state of connection with the router, and a button for receiving a reconnection command (step S134, FIG. 10).

When CPU 110 receives an instruction to reconnect washing machine 100B to router 400 (if YES in step S136, FIG. 11), CPU 110 displays on display 130 that washing machine 100B is in the process of connecting to router 400. display (step S138, FIG. 12).

CPU 110 requests washing machine 100B to establish a BLE connection via communication interface 160 (step S140, FIG. 12), thereby executing BLE connection processing with washing machine 100B (step S142).

When CPU 110 establishes a BLE connection with washing machine 100B via communication interface 160 (if YES in step S144, FIG. 13), CPU 110 provides washing machine 100B with the SSID and password required for connection with router 400. It transmits (step S146, FIG. 14).

When CPU 110 receives information indicating that connection with router 400 has succeeded from washing machine 100B via communication interface 160 (if YES in step S148, FIG. 16), washing machine 100B appears on display 130. 400 is successfully connected (step S152, FIG. 17).

If there is another electrical device 100 that cannot be connected to router 400 other than washing machine 100B (YES in step S150), the processing from step S132 is repeated in order. That is, the processing from step S132 to step S152 is executed for all electric devices 100 paired with smartphone 100A.
<User operation procedure>

Next, an operation procedure by the user will be described. Referring to FIG. 20, when smartphone 100A displays electrical device 100 that cannot be connected to router 400 (if YES in step S162, FIG. 10), the user selects connection with router 400. is pressed (step S164, FIG. 11).

The user confirms a display on display 130 of smartphone 100A indicating that washing machine 100B is performing connection processing with router 400 (if YES in step S166, FIG. 12).

The user confirms a display on display 130 of smartphone 100A indicating that the connection process between washing machine 100B and router 400 has been completed (if YES in step S168, FIG. 17).
<Second Embodiment>

In the above embodiment, when smartphone 100A as the first electrical device is able to acquire the SSID and password of router 400, washing machine 100B as the paired "one" second electrical device , the case where the SSID and password of the router 400 are provided. However, when smartphone 100A as the first electrical device is able to acquire the SSID and password of router 400, pairing is performed in response to advertised beacons from each of the "plurality" of paired second electrical devices. The SSID and password of the router 400 are provided by sequentially executing the above processing while referring to the identification information, model and nickname data 124 of each of the plurality of second electrical devices. , may be connected to the router 400 .
<Third Embodiment>

Further, in the above embodiment, the smartphone 100A is used as an example of the first electrical device, but the first electrical device can also be a washing machine 100B, a vacuum cleaner 100C, an air conditioner 100D or other household appliances, an AV device, or the like. , HEMS, and the like. More specifically, the first electrical device may have an operation unit for receiving input of the new SSID and password of router 400 and for receiving operations on WPS buttons.
<Fourth Embodiment>

Further, in the above-described embodiment, when the first electrical device is able to acquire the SSID and password of router 400, the first electrical device is "paired with the first electrical device". It provided the SSID and password of the router 400 to the electrical equipment.

However, if the first electrical device is able to acquire the SSID and password of router 400, the first electrical device is connected to router 400 to the second electrical device regardless of whether pairing has been completed. By obtaining user confirmation as to whether or not it is permissible to provide information for connecting to router 400, information for connecting to router 400 is provided to the second electrical device when the instruction for permission is received. may

That is, the second electrical device may perform the processing in FIG. 18, and the first electrical device may perform part of the processing in FIG. More specifically, referring to FIG. 19, when CPU 110 of smartphone 100A receives an advertising beacon via communication interface 160 (if YES in step S132, FIG. 9), display 130 displays an electric device type, connection status with the router, and a button for receiving a reconnection command are displayed (step S134).

When CPU 110 receives an instruction to reconnect washing machine 100B to router 400 (if YES in step S136, FIG. 11), CPU 110 displays on display 130 that washing machine 100B is in the process of connecting to router 400. display (step S138, FIG. 12).

CPU 110 requests washing machine 100B to establish a BLE connection via communication interface 160 (step S140, FIG. 12), thereby executing BLE connection processing with washing machine 100B (step S142).

When CPU 110 establishes a BLE connection with washing machine 100B via communication interface 160 (if YES in step S144, FIG. 13), CPU 110 provides washing machine 100B with the SSID and password required for connection with router 400. It transmits (step S146, FIG. 14).

When CPU 110 receives information indicating that connection with router 400 has succeeded from washing machine 100B via communication interface 160 (if YES in step S148, FIG. 16), washing machine 100B appears on display 130. 400 is successfully connected (step S152, FIG. 17).
<Fifth Embodiment>

Other devices may perform part or all of the role of each device of the network system 1 of the above-described embodiment. For example, a part or all of each role of the first electrical device, the second electrical device, the server 300, or the router 400 is played by another device, or a part or all of each role is played by a plurality of devices. You can

For example, server 300 may be realized by multiple servers on the cloud.

Alternatively, instead of the second electric device, in response to a beacon from the first electric device, after performing BLE connection, the first electric device obtains permission from the user, or according to the permission, the first electric device The second electrical device may transmit various information for connecting with the router 400 in BLE communication to the second electrical device.
<Summary>

In the above embodiments, a network system is provided that includes a wireless access point and a plurality of electrical devices. A first electrical device among the plurality of electrical devices stores identification information of an electrical device that has already been paired with itself, and wirelessly accesses in response to a request from a second electrical device of the stored identification information. Information necessary for connection with the point is transmitted to the second electrical device.

Preferably, the first electrical device obtains user confirmation in response to a request from the second electrical device for the stored identification information, and then transmits the information necessary for connection with the wireless access point to the second electrical device. 2 electrical equipment.

In the above embodiment, the memory for storing the identification information of the electric device that has been paired with itself, the communication interface, and the other electric device with the identification information stored in the memory via the communication interface and a processor for transmitting information necessary for connection with the wireless access point to the other electrical device in response to a request from the other electrical device.

In the above embodiments, a program for electrical equipment is provided. The program receives a step of storing identification information of an electric device that has already been paired with itself, receives a request from another electric device with the stored identification information, and sends information necessary for connection with the wireless access point to the relevant electric device. and transmitting to another electrical device.

In the above embodiment, when performing connection processing with a wireless access point via a memory, a communication interface, and a communication interface, the device transmits its own identification information to another electric device and performs pairing with itself. and a processor for acquiring information necessary for connection with a wireless access point from another electrical device already connected to the wireless access point, and executing connection processing with the wireless access point.

In the above embodiments, a program for electrical equipment is provided. The program stores its own identification information to be used for pairing with another electric device, and transmits its own identification information to the other electric device when performing connection processing with a wireless access point. , acquiring information necessary for connection with a wireless access point from another electrical device that has already been paired with the processor; and executing processing for connection with the wireless access point based on the information. to execute.

In the above embodiments, a network system is provided that includes a wireless access point and a plurality of electrical devices. A first electrical device among the plurality of electrical devices obtains confirmation from a user in response to a request from a second electrical device, and then transmits information necessary for connection with the wireless access point to the second electrical device. Send to device.

It should be considered that the embodiments disclosed this time are illustrative in all respects and not restrictive. The scope of the present invention is indicated by the scope of the claims rather than the above description, and is intended to include all modifications within the scope and meaning equivalent to the scope of the claims.

1: Network system 100: Electric equipment 100A: Smartphone 100B: Washing machine 100C: Vacuum cleaner 100D: Air conditioner 110: CPU
120: Memory 121: Data 122: Data 123: Data 124: Data 130: Display 140: Operation unit 150: Touch panel 160: Communication interface 170: Speaker 180: Microphone 190: Device driving unit 210: CPU
300: home appliance control server 310: CPU
320: Memory 321: Pairing data 340: Operation unit 360: Communication interface 400: Router

Claims (6)

a wireless access point;
with a plurality of electrical devices,
A first electrical device among a plurality of electrical devices stores identification information of an electrical device that has already been paired with itself, and the paired second electrical device having the stored identification information becomes unable to connect to the wireless access point, in response to a request from the paired second electrical device, the information necessary for connection with a new wireless access point is sent to the paired second A network system that transmits to two electrical devices. The first electrical device connects to the new wireless access point after obtaining user confirmation in response to a request from the paired second electrical device having the stored identification information. 2. The network system according to claim 1, wherein the information necessary for the pairing is transmitted to the paired second electrical device. a memory for storing identification information of electrical devices that have already been paired with itself;
a communication interface;
Pairing of information necessary for connection with a wireless access point in response to a request from another electrical device that has already been paired with itself having identification information stored in the memory via the communication interface and a processor for transmitting information to other electrical devices. A program for an electrical device, comprising:
storing identification information of electrical devices already paired with itself;
receiving a request from another already paired electrical device having the stored identification information, and transmitting information necessary for connection with the wireless access point to the other paired electrical device; A program that causes the processor to execute memory;
a communication interface;
When the connection with the wireless access point becomes impossible via the communication interface, it transmits its own identification information to another electric device, and from the other electric device that has already been paired with itself, new wireless access and a processor for acquiring information necessary for connection with a point and executing connection processing with the new wireless access point. A program for an electrical device, comprising:
a step of storing its own identification information for use in pairing with other electrical devices;
a step of transmitting its own identification information to other electrical devices when connection with a wireless access point becomes impossible ;
a step of acquiring information necessary for connection with a new wireless access point from other electrical devices that have already been paired with itself;
A program for causing a processor to execute a step of executing a connection process with the new wireless access point based on the information.

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