KR101924474B1 - A home appliance and a control method the same - Google Patents

Abstract

The electrical product according to the present embodiment includes an NFC module provided to be capable of communicating with a communication module of the terminal, A module recognition unit provided in the NFC module and recognizing a communication module approaching within a set distance; And a memory unit for storing information transmitted or transmitted through the NFC module, wherein the memory unit includes: a first memory area including information on the electrical product; A second memory area associated with the operation of the electric appliance, in which the internal generation information of the appliance is stored; And a third memory area for storing external occurrence information transmitted from the terminal, in association with the operation of the electronic product.

Description

A home appliance and a control method the same

The present invention relates to an electrical product.

BACKGROUND ART [0002] Generally, home appliances include a washing machine, a refrigerator, a cooking appliance, or a vacuum cleaner.

According to the conventional electric appliance, a remote controller or a portable terminal is used to remotely control the operation of the appliance.

The patent application No. 10-2004-0080033 filed by the company discloses a ring remote control device and method that can control an electronic product at a remote place using a portable terminal.

In this prior patent, a remote control signal of a corresponding electronic product to be controlled by a portable terminal is output in a remote control mode for controlling a remote device, and a remote control signal outputted from the portable terminal is amplified to a predetermined level by a relay device, Disclosed is a technology for remotely controlling an electronic product in a home using a portable terminal by being transmitted to the electronic product.

However, according to this prior patent, a repeater to be communicatively connected to the portable terminal is required separately, and there is a problem in that the communication fails between the devices in the remote control process, that is, the reliability of the communication means is lowered.

In order to solve such a problem, the present embodiment aims to provide an electric appliance that can be controlled using a portable terminal.

The electrical product according to the present embodiment includes an NFC module provided to be capable of communicating with a communication module of the terminal, A module recognition unit provided in the NFC module and recognizing a communication module approaching within a set distance; And a memory unit for storing information transmitted or transmitted through the NFC module, wherein the memory unit includes: a first memory area including information on the electrical product; A second memory area associated with the operation of the electric appliance, in which the internal generation information of the appliance is stored; And a third memory area for storing external occurrence information transmitted from the terminal, in association with the operation of the electronic product.

According to a preferred embodiment of the present invention, an electronic product is communicably connected to a terminal by short range communication (NFC), and information necessary for operation of the electronic product or operation error is acquired or acquired through communication with the terminal, It is possible to realize a smart electric product.

Particularly, since the internal information of the electric appliance can be transmitted to the terminal or the information necessary for the operation of the appliance can be transmitted from the terminal to the appliance, it is easy to update the function of the appliance or to solve the problem in operation of the appliance .

In addition, since the electrical product and the terminal can be communicated through the NFC communication method, a separate configuration for communication between the devices is not required, and the additional cost for setting the communication environment is reduced.

Also, since the NFC communication module is provided with the memory unit in which the memory area for storing the information generated inside the electric product and the information received from the outside of the electric appliance are separately configured, it is possible to easily transmit and receive specific data .

1 is a view showing an electrical product and a terminal according to an embodiment of the present invention.
2 is a block diagram showing the configuration of an electrical product and a terminal according to an embodiment of the present invention.
3 is a block diagram showing a configuration of a communication module of an electrical product according to an embodiment of the present invention.
4 is a flow chart showing a control method of an electrical product according to an embodiment of the present invention.
5 is a block diagram illustrating internal information of an electronic product transmitted to a terminal according to an embodiment of the present invention.
6 is a block diagram illustrating how external information is transmitted to an electronic product according to an embodiment of the present invention.
7 is a flow chart showing a method of controlling an electrical product according to another embodiment of the present invention.
8 is a block diagram illustrating the configuration of an electrical product and a terminal according to another embodiment of the present invention.

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. It is to be understood, however, that the spirit of the invention is not limited to the embodiments shown and that those skilled in the art, upon reading and understanding the spirit of the invention, may easily suggest other embodiments within the scope of the same concept.

2 is a block diagram illustrating the configuration of an electronic product and a terminal according to an embodiment of the present invention. FIG. 3 is a block diagram illustrating a configuration of an electronic product and a terminal according to an embodiment of the present invention. FIG. 2 is a block diagram showing a configuration of a communication module of an electrical product according to an embodiment of the present invention. FIG.

1 to 3, a network system according to an embodiment of the present invention includes a terminal 100 and an electrical product 200. The terminal 100 and the electrical product are communicably connected. 1 shows a washing machine as one kind of an electric appliance, the appliance is not limited thereto.

The terminal 100 includes a first communication module 110 and a display unit 101 communicable with the electrical product 200.

The electrical product 200 includes a main body 201, an input unit 205, a display unit 206, and a second communication module 210 capable of recognizing the first communication module 110. For example, the input unit 205, the display unit 206, and the second communication module 210 may be provided on the front surface 203 forming the front surface of the main body 201.

An operating condition for driving the electrical product 200 can be input through the input unit 205 and information about the operation of the electrical product 200 can be displayed on the display unit 206. [

The terminal 100 includes a terminal memory unit 170 for storing information on a predetermined program, for example, an application, for performing communication with the electrical product 200, And a terminal control unit 150 for controlling the first communication module 110.

The electrical product 200 includes a driving unit 260 driven to perform the function of the electrical product 200 and a control unit 250 controlling the second communication module 210 and the driving unit 260. The driving unit 260 may include a motor or a heater.

The control unit 250 may write the internal information of the electrical product to the second communication module 210 or read the external information stored in the second communication module 210.

Here, the internal information of the electrical product may be understood as information generated inside the electrical product during the operation of the electrical product. For example, the internal information of the electronic product may include operational error information of the electronic product.

The external information of the electronic product is information necessary for driving the electronic product, and may be understood as information generated from the outside of the electronic product, that is, information transmitted from the terminal 100. For example, the external information of the electric appliance may include washing course information of the washing machine or cooking course information of the cooking appliance (Cook data) as operating course information of the electric appliance.

A first interface 310 may be defined as a communication method between the first communication module 110 and the second communication module 210. For example, the first interface 310 includes an NFC scheme.

Near field communication (NFC) is one of radio frequency identification (RFID) technologies, and is a non-contact communication technology using a specific frequency (13.56 MHz) instead. NFC has advantages of relatively high security and low price because communication distance between devices is short.

Therefore, the first communication module 110 and the second communication module 210 are understood as a communication module for performing the NFC function, and they can have the same configuration. Hereinafter, for convenience of explanation, the second communication module 210 is referred to as an "NFC module ".

When the terminal 100 approaches and is tagged within the set distance of the electrical product 200, that is, when the first communication module 110 and the second communication module 210 are within the set distance, (100) and the electric appliance (200), so that data can be transmitted and received.

The second interface 320 may be defined as another communication method between the second communication module 210 and the control unit 250. [ For example, the second interface 320 includes an I2C (Inter-integrated Circuit) scheme.

The second communication module 210 includes a module recognition unit 211 that recognizes the access of the first communication module 110 when the first communication module 110 approaches the set distance. For example, the module recognition unit 211 may be an antenna.

The second communication module 210 further includes a memory unit 220 for storing information on the electrical product 200. The memory unit 220 includes a plurality of memory areas 221, 223, and 225 for storing different information.

A plurality of memory areas 221, 223, and 225 are provided with a first memory area 221 in which information unique to the electrical product, information relating to communication, or installation information is stored, and information generated inside the electrical product 200 A second memory area 223 to be stored and a third memory area 225 in which information received externally is stored as information related to the operation of the electrical product 200. [

In the first memory area 221, information unique to the electrical product, for example, information on the type of the electrical product (washing machine, cooking appliance, refrigerator, etc.), information on the model name of the electrical product, The ID may be different even if the model name is used), and information about a program (operation course software) necessary for driving the electric appliance.

The information on the communication includes information on the first interface 310 or the second interface 320. [ The information on the installation may include information on the installation country or area of the electrical product 200.

In the second memory area 223, information on the error or the error diagnosis result when an error occurs during the driving of the electronic product 200, for example, information generated in the process of driving the electronic product 200 Lt; / RTI >

When an error occurs in the electrical product 200, the controller 250 writes information about the error or information about the diagnosis result of the electrical product in the second memory area 223 at a predetermined time, can do. Accordingly, the second memory area 223 can be understood as a memory area in which the controller 250 can write.

When the controller 250 performs the writing, the terminal 100 may be in a state capable of reading information stored in the second memory area 223.

Here, the predetermined time may be determined when an error occurs in the course of performing the operation course of the electrical product 200 immediately after an error occurs in the electrical product 200, when the operation course is completed and when the electrical product 200 When the power of the power source is turned off.

For example, if an error occurs in the electrical product 200 and the predetermined time has been reached, the error information may be displayed on the display 206 of the electrical product 200. When the error occurrence information is displayed on the display unit 206, information on an error of the electrical product 200 can be confirmed using the terminal 100.

In detail, when the terminal 100 approaches the electrical product 200 and the module recognition unit 211 recognizes the first communication module 110, the internal generation information (error occurrence information) And may be transferred from the second memory area 223 to the terminal 100. That is, the terminal 100 can read the generated information stored in the second memory area 223.

Meanwhile, when information on the error is stored in the second memory area 223, information on the error is transmitted to the terminal 100, and the terminal 100 can perform an error diagnosis .

On the other hand, when the information on the error diagnosis result is stored in the second memory area 223, the controller 250 performs an error diagnosis and outputs a diagnosis result to the second memory area 223 And the like.

In the second memory area 223, information on power consumed during driving of the electrical product 200 may be stored. The terminal 100 may approach the electric appliance 200 within a predetermined distance and read information about the electric power.

In the third memory area 225, external occurrence information transmitted from the terminal 100 may be stored.

The external occurrence information includes information about an operating course of the electrical product 200. For example, when the electric product 200 is a washing machine, the external occurrence information may be laundry course information of the washing machine. If the electric appliance 200 is a cooking appliance, the external occurrence information may be cook data of the cooking appliance.

The electric appliance 200 is understood to be a product that drives the driving unit 260 according to a predetermined course, and the electric appliance 200 may store one or more operational courses. And, the operation course can be updated through the terminal 100.

In detail, the terminal 100 may store information about an operating course of the electrical product 200 or update information, i.e., external occurrence information. For example, the terminal 100 may be connected to a predetermined server (not shown), and may download and store information stored in the server.

The module recognition unit 211 recognizes the first communication module 110 when the terminal 100 approaches the set distance of the electrical product 200 and the information stored in the terminal 100 is transmitted to the third May be stored in the memory area 225. That is, the terminal 100 can write the information to the third memory area 225.

The control unit 250 may read the external information stored in the third memory area 225. [ The read information may be stored in a main memory (not shown) of the electrical product 200. As a result, the third memory area 225 can be understood as a memory area that the controller 250 can read.

As described above, the externally generated information (operating course information) transmitted from the terminal 100 to the electric appliance 200 can be reflected in the operation of the electric appliance as update information of the electric appliance 200. [

On the other hand, the internal generation information stored in the second memory area 223 or the external generation information stored in the third memory area 225 may be overwritten when the latest information is generated.

That is, since the internally generated information or the externally generated information is continuously generated over time, when related new information is generated, the existing information is deleted and the new information is stored in the second memory area 223 or the third memory Area 225. < / RTI >

4 is a flow chart showing a control method of an electrical product according to an embodiment of the present invention. Referring to FIG. 4, a method of controlling an electrical product using a terminal will be described.

First, the application of the terminal 100 can be executed. The application may be executed in a state in which the "NFC mode" among the plurality of communication modes defined in the terminal 100 is ON. If the application wants to execute the NFC mode, the terminal 100 may output a message (screen or voice) to turn on the NFC mode.

When the application is executed, the terminal 100 can receive the internally generated information of the electric appliance 200 or transmit information (external generated information) necessary for the operation of the electric appliance 200 to the electric appliance 200 200) (S11).

The application includes a plurality of modes capable of transmitting or receiving data using the NFC communication method.

Among these multiple modes, a specific data transmission / reception mode can be executed.

In the first transmission / reception mode, the first transmission / reception mode may be a mode for transmitting information (internal information) generated in the electric appliance 200 to the terminal 100.

For example, when an error occurs in the operation of the electrical product 200, information on the error content or information on the error diagnosis result may be transmitted to the terminal 100.

The second transmission / reception mode may be a mode for receiving, from the terminal 100, external occurrence information (external information) necessary for operation of the electrical product.

For example, the second transmission / reception mode may be a mode capable of transmitting information on the operating course of the appliance 200 from the terminal 100 to the appliance 200. [ Here, if the electric appliance 200 is a washing machine, the information about the operating course is information on a washing course. If the appliance 200 is a cooking appliance, the information about the operating course is information about the cooking course (S12).

The module recognition unit 211 may access the first communication module 110 by approaching the terminal 100 within a set distance of the electrical product 200 in a state where the specific data transmission / reception mode is executed. do. That is, the terminal 100 can be tagged to the electrical product 200 (S13).

When the module recognition unit 211 recognizes the first communication module 110, data transmission / reception can be performed. That is, internally generated information of the electric product 200 is transmitted from the electric product 200 to the terminal 100, or externally generated information is transmitted from the terminal 100 to the electric product 200.

The display unit 206 of the electronic product 200 or the display unit 101 of the terminal 100 may be informed of the progress of data transmission or reception in the process of transmitting the data, May be displayed (S14).

When the transmission of the internally generated information or the externally generated information is completed, information indicating that data transmission / reception is completed may be displayed on the outside. For example, a transmission completion message may be displayed on the display unit 206 of the electrical product 200 or the display unit 101 of the terminal 100, or a beep may be output to the outside.

For example, when information on an error or an error diagnosis result in the internal information is transmitted to the terminal 100, the display unit 101 of the terminal 100 displays information on the error diagnosis result, A diagnosis completion message may be displayed (S15).

Hereinafter, a control method classified according to the type of information to be transmitted will be described in detail with reference to the drawings.

5 is a block diagram illustrating internal information of an electronic product transmitted to a terminal according to an embodiment of the present invention. 5 shows a control method of transmitting information generated in the interior of the electrical product 200 to the terminal 100. FIG.

First, when predetermined information is generated in the electrical product, the controller 250 writes the internally generated information into the second memory area 223. The internal occurrence information may include error information of the electrical product or information on the power consumption of the electrical product. The transmission or reception mode of data generated in this process may be called "first transmission / reception mode ".

For example, when the internal information is the error information of the electrical product, the control unit 250, when the operation course of the electrical product is completed or the power supply of the electrical product is turned off, (210) is in the NFC writeable mode.

If the second communication module 210 is in the NFC writeable mode, the error information is written to the second memory area 223 by writing the error information.

At this time, the control unit 250 writes the verification information together with the error information. The control unit 250 completes the writing by rewriting the verification information from the second memory area 223 after writing (Write (A1)).

Meanwhile, the control unit 250 can check the unique information, the communication information, or the installation information (hereinafter, unique information) about the electrical product 200 and update the first memory area 221 . At this time, if there is information to be changed or updated, the control unit 250 can write change or update information in the first memory area 221 (Write (A2)).

When the terminal 100 approaches the set distance of the electric product 200 while the application and the specific data transmission / reception mode are executed, the terminal 100 transmits the unique information of the electric product 200, Or installation information. In this process, the terminal 100 confirms whether the electrical product 200 is a suitable electrical product to be communicated (Read (B1)).

Then, the terminal 100 can read the error information. At this time, the terminal 100 can read the verification information together (Read (B2)).

Thus, the information generated in the inside of the electrical product can be confirmed or diagnosed by using the terminal, so that the usability is increased.

6 is a block diagram illustrating how external information is transmitted to an electronic product according to an embodiment of the present invention. 6 shows a control method of transmitting information generated from the outside of the electric product 200 from the terminal 100 to the electric product 200. FIG.

The terminal 100 may write external occurrence information to the electrical product 200. [ In one example, the external occurrence information includes information about an operating course necessary for operation of the electrical product 200. [ In detail, if the electric appliance 200 is a washing machine, the external occurrence information is laundry course information, and if the appliance 200 is a cooking appliance, the external occurrence information may be cooking course information.

The transmission or reception mode of data generated in this process may be referred to as "second transmission / reception mode ".

When the terminal 100 approaches the set distance of the electrical product 200 while executing the application and the specific data transmission / reception mode, the terminal 100 transmits the unique information of the electrical product 200, Or information about the installation. In this process, the terminal 100 confirms whether the electrical product 200 is a suitable electrical product to be communicated (Read (B1)).

The terminal 100 writes the generated external information in the third memory area 223 together with the verification information. The terminal 100 completes the writing by rewriting the verification information from the third memory area 225 after the writing (Write (A)).

The controller 250 determines whether the second communication module 210 is in the NFC readable mode. If the second communication module 210 is in the NFC readable mode, the controller 250 reads the unique information of the electrical product stored in the first memory area 221 and confirms the communicable state (Read ( B2)).

Then, the controller 250 completes the reading by reading the external occurrence information stored in the third memory area 225 together with the verification information (Read (B3)). The external occurrence information that is read can be reflected as information for the operation of the electrical product.

As described above, since the electric appliance can receive predetermined information from the terminal and update the information about the course necessary for the operation of the electric appliance, it is possible to use a smart electric appliance.

Hereinafter, other embodiments of the present invention will be described. Since the present embodiments are different from the previous embodiments in some configurations, the differences will be mainly described, and the description of the previous embodiments and the reference numerals will be used for the same portions.

7 is a flow chart showing a method of controlling an electrical product according to another embodiment of the present invention. Referring to FIG. 7, a control method in the case where an error occurs in the process of tagging the terminal to the electrical product will be described.

First, an application of the terminal 100 can be executed in a state where the NFC mode is turned on among a plurality of communication modes provided in the terminal.

When the application is executed, the terminal 100 can receive the internally generated information of the electric appliance 200 or transmit information (external generated information) necessary for the operation of the electric appliance 200 to the electric appliance 200 200) (S21).

When the application is executed, the specific data transmission / reception mode can be executed. The description of the specific data transmission / reception mode is based on the description of FIG. 4 (S22).

The terminal 100 may be accessed within a set distance of the electrical product 200 so that the terminal 100 may be tagged to the electrical product 200 in a state where the specific data transmission / (S23).

If tagging of the terminal 100 is recognized, data transmission or reception is performed according to the specific data transmission / reception mode (S24, S25).

It is recognized whether or not an error has occurred in the process of tagging the terminal 100 and transmitting or receiving data. Here, the "error" It can be understood that the position of the terminal 100 is out of the set distance of the electric appliance 200 when the communication module 210 is in a state where the communication is impossible or restricted.

If the error does not occur, the transmission or reception of data is continued to complete the transmission and reception of data, and the completion information can be displayed on the outside. For example, the completion information may be displayed on the display unit of the terminal 100 or the electronic product 200 (S26, S27).

On the other hand, if the tagging of the terminal 100 is not recognized in step S24, it is recognized whether or not the first set time has elapsed. The first set time may be, for example, about 10 seconds. That is, after the specific data transmission / reception mode is executed, it is determined whether the tagging is recognized during the first set time (S28).

When the first set time has elapsed, a message for guiding the tagging position to the display unit of the terminal 100 or the electrical product 200 may be displayed on the screen or informed by voice. For example, a message "please put the terminal at the correct position" or a voice may be displayed (S29).

On the other hand, if an error occurs during data transmission / reception in step S26, transmission / reception of data is retried for the second set time. Here, the second set time may be, for example, about 3 seconds (S30).

Whether or not the error has been resolved after the second set time is recognized (S31). If the error is resolved, steps S25 and below are performed again. On the other hand, if the error has not been solved, a message for guiding the tagging position to the display unit of the terminal 100 or the electric appliance 200 may be displayed on the screen or informed by voice (S32).

When an error occurs in the process of tagging the electronic product 200 to the electronic product 200 or in the process of transmitting / receiving data after the tagging is recognized, the user is guided to the tagging position by displaying the error occurrence to the outside So that it is possible to easily transmit or receive data according to the specific data transmission / reception mode.

8 is a block diagram illustrating the configuration of an electrical product and a terminal according to another embodiment of the present invention.

The control unit of the electrical product 200 according to the present embodiment includes a display control unit 251 connected to the first communication module 210 and a main control unit 252 connected to the display control unit 251 in a communicable manner do.

The main control unit 252 is a control unit for controlling the operation of the driving unit 260 for driving the electric product 200. The display control unit 251 is coupled to the display unit 206, The control unit 206 can be understood as a control unit that controls the operation of the control unit 206.

In the first transmission / reception mode, when information, for example, operation error information is generated in the electrical product 200, the main control unit 252 transmits the operation error information to the display control unit 251.

The display control unit 251 writes the operation error information to the second memory area 223 of the second communication module 210 and the written information can be transmitted to the terminal 100. [

On the other hand, in the second transmission / reception mode, when the information about the operating course of the electrical product 200 occurs, for example, from outside the electrical product 200, The information transmitted to the third memory area 225 of the second communication module 210 of the second communication module 210 is read by the display controller 251.

Then, the display controller 251 transmits the read information to the main controller 252.

The second communication module 210 is connected to the display control unit 206 and the display control unit 206 writes data to the second communication module 210 or transmits the data to the second communication module 210. [ And reads the data stored in the memory.

According to such a configuration, the communication load of the main control unit 252 is reduced, and the reliability of the operation of the electrical product can be improved.

100: Terminal 101:
110: first communication module 150:
170: Terminal memory unit 200:
210: second communication module 211: module recognition unit
220: memory unit 221: first memory area
223: second memory area 225: third memory area
250: control unit 251: display control unit
252: main control unit 260:
310: first interface 320: second interface

Claims (25)

1. An electric appliance that can be controlled using a terminal,
An NFC module provided so as to communicate with a communication module of the terminal;
A module recognizing unit provided in the NFC module and recognizing the communication module within a set distance; And
A memory unit for storing information to be transmitted or transmitted through the NFC module,
A first memory area including information on the electric appliance;
A second memory area associated with the operation of the electric appliance, in which the internal generation information of the appliance is stored; And
And a third memory area for storing external occurrence information transmitted from the terminal, in association with the operation of the electronic product,
Wherein the internal generation information of the electronic product includes information on operational errors of the electronic product,
Wherein information about the operation error is switched to a state ready for transmission to the terminal at a preset time when information on the operation error is generated in the electrical product. The method according to claim 1,
The information on the electrical product includes,
Electrical appliances that contain unique information about electrical products, information about communications, or information about installation. 3. The method of claim 2,
The unique information of the electrical product includes,
Electrical appliances that contain information about the type of electrical product, model name, or driver program version. 3. The method of claim 2,
In the information on the installation of the electric product,
Wherein the electric appliance includes country information or local information in which the electric appliance is installed. The method according to claim 1,
Wherein the second memory area is a writable memory area. 6. The method of claim 5,
Further comprising: a control unit capable of writing internal generation information of the electric product to the second memory area. delete delete The method according to claim 1,
At the preset time,
An electric appliance including an operating time of the electric appliance, or a time when the electric appliance is turned off, immediately after occurrence of an error. The method according to claim 1,
Further comprising: a display unit for displaying information on operational errors of the electrical product. The method according to claim 1,
The internal generation information of the electrical product includes,
And electric power consumption information of the electric appliance. The method according to claim 1,
When the communication module is recognized through the module recognition unit,
And the internal generated information is transmitted from the second memory area to the terminal. The method according to claim 1,
Wherein the third memory area is a readable memory area. 14. The method of claim 13,
And a control unit capable of reading the external occurrence information from the third memory area. The method according to claim 1,
When the communication module is recognized through the module recognition unit,
And the external occurrence information is transferred from the terminal to the third memory area. The method according to claim 1,
The external occurrence information of the electronic product includes,
And information regarding an operation course of the electric product. 17. The method of claim 16,
The information on the operating course of the electric appliance includes,
Electrical appliances that contain washing course information of the washing machine. 17. The method of claim 16,
The information on the operating course of the electric appliance includes,
An electrical product containing cooking course information of a cooking appliance. The method according to claim 1,
The internal generation information or the external generation information of the electric product,
And stored in the memory unit in an overwritable state when updated information is generated. The method according to claim 1,
In a state in which one transmission / reception mode included in the application of the terminal is executed,
And if the access within the set distance of the communication module of the terminal is not recognized during the first set time, error information is displayed on the terminal or the appliance. 21. The method of claim 20,
Wherein the first set time is 10 seconds. 21. The method of claim 20,
In the process of transmitting / receiving information by recognizing the access within the set distance of the communication module of the terminal,
And if the access within the set distance of the communication module of the terminal is not recognized during the second set time, error information is displayed on the terminal or the appliance. 23. The method of claim 22,
And the second set time is 3 seconds. The method according to claim 1,
A main control unit for controlling a driving unit of the electric appliance; And
Further comprising a display control unit for controlling operation of a display unit of the electric product. 25. The method of claim 24,
The NFC module is connected to the display control unit,
The display control unit,
Writing the internal generated information into the second memory area,
And reads the external occurrence information into the third memory area.

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