KR102095323B1 - Apparatus for Inducing Learning - Google Patents

Abstract

The present invention relates to a learning induction device, the learning induction device according to an embodiment of the present invention, a communication interface unit for receiving context data related to the discussion proceeding by group from a plurality of learning terminal devices, and the discussion situation for each group Transmits the (s) received situation data to the teacher terminal device that monitors, and when an agreement is reached for discussion by group, receives the derived agreement and generates an electronic note, and creates the electronic note by group's user device It may include a control unit for controlling the communication interface to provide.

Description

Learning Induction Device {Apparatus for Inducing Learning}

The present invention relates to a learning induction device, and more specifically, for a PBL (Problem-Based Learning) education, a learning induction device capable of efficiently teaching by forming dozens of students in a small number of groups by one teacher It is about.

As a way to refrain from previous teaching methods and make learning through a process of solving problems, traditional education emphasizes only information about knowledge, but does not foster the ability to solve real problems. Therefore, the self-directed learning function that can learn by itself can be understood as very important. This PBL is one of the methods of education that has been recently attracted attention, and it is a class that requires cooperation between groups because the answer has not been decided in a way of teaching on unstructured questions. Through this, students have the effect of acquiring creative thinking and logical thinking.

However, such an education method may be effective when it is conducted through one teacher who leads a small group, but due to domestic circumstances, it is not effective for one teacher to form dozens of students to form a multi-group of small groups. Is being raised.

Republic of Korea Patent Publication No. 10-2001-0104926 (2001.11.28)

An object of the present invention is to provide a learning inducing apparatus capable of efficiently teaching by forming a group of dozens of small number of students by one teacher for PBL education.

The learning inducing apparatus according to an embodiment of the present invention includes the communication interface unit for receiving context data related to discussions in each group from a plurality of learning terminal apparatuses, and a teacher terminal apparatus for monitoring the discussion status in each group. The communication interface unit transmits one situation data, generates an electronic note by receiving the derived agreement, and provides the generated electronic note to the user device of the learners for each group when the agreement for each discussion is derived for each group. It includes a control unit to control.

The control unit may receive suggestions related to the discussion from the teacher terminal device and provide each to the plurality of learning terminal devices.

The control unit may generate the electronic note including the discussion subject, the group-specific agreement, and the teacher's suggestion.

The control unit may receive, as the situation data, photographed images of the discussion scenes for each group, and transmit them to the teacher terminal device.

The control unit may receive the agreements recorded in common designated formats provided to the plurality of learning terminal devices.

In addition, the driving method of the learning inducing apparatus according to the embodiment of the present invention is a driving method of a learning inducing apparatus including a communication interface unit and a control unit, wherein the communication interface unit learns a plurality of situation data related to discussions conducted by groups. Each step of receiving from the terminal device, and the control unit transmits the received situation data to the teacher terminal device for monitoring the discussion situation for each group, and when the agreement for each discussion is derived for each group, receives the derived agreement And generating an electronic note, and controlling the communication interface unit to provide the generated electronic note to the group's user device.

The controlling step may receive suggestions related to the discussion from the teacher terminal device and provide each to the plurality of learning terminal devices.

The controlling step may generate the electronic note including the discussion subject, the group-specific agreement, and the teacher's suggestion.

In the step of controlling, as the situation data, a photographing image of each of the discussion scenes for each group may be received and transmitted to the teacher terminal device.

In the controlling step, the agreements recorded in common designated formats provided to the plurality of learning terminal devices may be received.

According to an embodiment of the present invention, considering a domestic education situation, one teacher can monitor a small group of small groups at a glance and perform PBL education, and as a result, self-directed learning of students can be actively induced. They will be able to cultivate or enhance their ability to solve problems for specific problems.

1 is a view showing a learning induction system according to an embodiment of the present invention,
2 is a view for explaining an example of the implementation of the screen displayed on the teacher terminal device of FIG. 1,
Figure 3 is a block diagram showing the structure of the learning induction device of Figure 1,
4 is a block diagram showing another structure of the learning induction device of FIG. 1, and
5 is a flow chart showing a driving process of the learning induction apparatus according to an embodiment of the present invention.

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

1 is a view showing a learning induction system according to an embodiment of the present invention, Figure 2 is a view for explaining an example of the implementation of the screen displayed on the teacher terminal device of FIG.

1, the learning induction system 90 according to an embodiment of the present invention is a part of the teacher terminal device 100, the learning terminal device 110, the communication network 120 and the learning induction device 130, or All inclusive.

Here, "including some or all" means that some components, such as the communication network 120, are omitted from the learning induction system 90, so that the teacher terminal device 100 and the learning terminal device 110 are learning induction devices 130. ) And direct communication (e.g., P2P communication) or some components such as the learning induction device 130 may be integrated with other elements such as a network device in the communication network 120, and so on. In order to help the understanding of the invention, it will be described as including everything.

The teacher terminal device 100 includes various types of video display devices such as a laptop computer, a desktop computer, a tablet PC, a smart phone, a wearable device, and a smart TV, and photographed images transmitted from a plurality of learning terminal devices 110, etc. A device capable of monitoring the discussion (or discussion) of each group through is sufficient. Therefore, a screen device installed in a wall such as a classroom or auditorium may be used.

For example, the screen of the teacher terminal device 100 may be divided into screens as shown in FIG. 2, and each area may show a discussion situation of each learning terminal device 110. Prior to this, various areas such as icons (not shown) representing each learning terminal device 110 may be displayed on each area of the screen. Therefore, a teacher using the teacher terminal device 100 may allocate different topics to the plurality of learning terminal devices 110 arranged in each group by clicking each icon. Of course, it is also possible to assign the same subject, so the embodiment of the present invention will not be specifically limited to any one method. In the method of providing a discussion topic with a plurality of learning terminal devices 110 arranged in each group, a method of recording each topic by clicking an icon displayed on the screen of the teacher terminal device 100 has been described above. In addition, since various methods can be used as many as possible, the embodiment of the present invention will not be limited to any one method.

When such a process is completed, the teacher terminal device 100 is provided by the learning induction device 130 through each area of FIG. 2, and more precisely, the learning induction device in the learning terminal device 110 arranged in each group ( 130) can be monitored by receiving the captured image of each group. Of course, here, the captured image is a video, which means a combination of video and audio signals. However, if the learning terminal device 110 is provided with only a microphone without a camera, monitoring may be performed by voice.

Above all, the teacher terminal device 100 may display discussion content, that is, voice content, as subtitles in each area of FIG. 2 for effective monitoring of the group. When the content of the discussion is displayed as subtitles on one side of the screen (eg, up, down, left, and right), it can be displayed as an icon, a nickname, or in various forms to distinguish each member. In this situation, if the teacher clicks the speaker button 200 in a specific area in the situation of monitoring through subtitles, the content of the discussion in the corresponding area may be output to the outside through the speaker. Of course, the audio may be output together with the subtitles or only the audio without the subtitles, which is determined by the intention of the system designer, and thus will not be specifically limited to any one method in the embodiment of the present invention. In addition, in order to block the output voice, only the subtitle may be output by clicking the speaker button 200 once more.

In addition, although the teacher terminal device 100 is not clearly illustrated in the drawings, a proposal may be delivered to each group, that is, a plurality of learning terminal devices 110 provided in front of each group during discussion. For example, by clicking a button displayed on one side of the screen, a pop-up window for delivering a proposal may be called and delivered. Of course, a pop-up window may be called through a voice command and delivered. The transmitted suggestions are provided to the learning induction device 130 and stored, and the stored suggestions can be sent back to the learning terminal device 110. In the course of this, of course, it would be possible to deliver suggestions for each group.

In addition, the teacher terminal device 100 may perform an operation of accessing the learning induction device 130 and editing an electronic note including discussion content of each group made in the class after the class ends. Here, the electronic notes may include lecture notes or lecture notes. The electronic note will have a specified format, and the teacher creates an electronic note by organizing the contents of the class and the contents he or she wants to convey (eg, comments, evaluation, etc.) after the class ends. Make sure notes are provided to students in each discussion group participating in the class. To this end, the teacher terminal device 100 may transmit the (generated) and edited electronic notes through the phone number or email address of each student, or may transmit only to the representatives of each group.

The learning terminal device 110 is not significantly different from the teacher terminal device 100. However, since the part of the monitoring is emphasized in the teacher terminal device 100, it is appropriate to use an advantageous device, and the learning terminal device 110 may be any device if it is possible to transmit a discussion form or content to the teacher terminal device 100. Irrelevant. For example, the learning terminal device 110 may include a voice acquisition device such as a microphone. However, in the embodiment of the present invention, the learning terminal device 110 is provided with a camera and a microphone (hereinafter, a microphone), for example, in the form of a photographed image, that is, to transmit to the communication network 120 including video and audio. .

Each learning terminal device 110 arranged in each group may receive a discussion (or discussion) topic for PBL education from the teacher terminal device 100 and display it on the screen. For example, the learning terminal device 110 presents a different problem or task (hereinafter, a problem) for each group provided through the learning induction device 130 and provides a description of the problem through a speaker, etc. Will explain. Then, each learning terminal device 110 stores the contents of the small group discussion on the problem for a predetermined time. The learning terminal device 110 guides the discussion time of the small group for a certain period of time and stores the contents of the discussion.

In addition, the learning terminal device 110 inputs a common problem solving plan when a predetermined discussion time ends. Corresponds to the operation of entering a group-specific agreement. The learning terminal device 110 stores the problems related to the class, the discussion content, and the joint solution (in electronic notes or lecture notes in electronic form) according to the class when the input of the joint problem solution is completed (or they are owned by each group) User device, such as a smartphone) or a learning teacher, that is, it is transmitted to the communication network 120 to be provided to the teacher terminal device 100.

Furthermore, the learning terminal device 110 photographs the students progressing the discussion through a specific subject while the discussion is being made, and acquires the content of the discussion through a microphone through voice, so that it is provided to the teacher terminal device 100. The photographed image may be stored in the learning induction device 130 and then provided to the teacher terminal device 100.

The communication network 120 includes both wired and wireless communication networks. For example, a wired / wireless Internet network may be used or interlocked as the communication network 120. Here, the wired network includes an internet network such as a cable network or a public telephone network (PSTN), and the wireless communication networks include CDMA, WCDMA, GSM, Evolved Packet Core (EPC), Long Term Evolution (LTE), Wibro network, etc. It includes meaning. Of course, the communication network 120 according to an embodiment of the present invention is not limited thereto, and may be used as a cloud computing network under a cloud computing environment, a 5G network, etc. as a connection network of a next-generation mobile communication system to be implemented in the future. For example, when the communication network 120 is a wired communication network, an access point in the communication network 120 may access a telephone exchange or the like, but in the case of a wireless communication network, data may be accessed by accessing a SGSN or a Gateway GPRS Support Node (GGSN) operated by a communication company. It can process or connect to various repeaters such as BTS (Base Station Transmission), NodeB, and e-NodeB to process data.

The communication network 120 may include an access point. Access points include small base stations, such as femto or pico base stations, which are often installed in buildings. Here, the femto or pico base station is classified according to the maximum number of access to the teacher terminal device 100 and the learning terminal device 110 according to the classification of the small base station. Of course, the access point includes a short-range communication module for performing short-range communication such as Zigbee and Wi-Fi with the teacher terminal device 100 and the learning terminal device 110. The access point can use TCP / IP or RTSP (Real-Time Streaming Protocol) for wireless communication. Here, short-range communication may be performed in various standards such as radio frequency (RF) and ultra-wideband communication (UWB), such as Bluetooth, Zigbee, infrared (IrDA), ultra high frequency (UHF), and very high frequency (VHF), in addition to Wi-Fi. You can. Accordingly, the access point can extract the location of the data packet, designate the best communication path for the extracted location, and deliver the data packet to the next device, for example, the learning guidance device 130, along the designated communication path. An access point can share multiple lines in a typical network environment, including routers, repeaters and repeaters, for example.

The learning induction device 130 includes a server and may store various types of data generated in the process of providing a learning induction service for PBL education in the DB 130a. When the teacher presents a problem for each group through the teacher terminal device 100, the learning induction device 130 transmits it to the plurality of learning terminal devices 110 individually or collectively. Accordingly, the learning terminal device 110 may display a problem presented by the teacher on a screen, for example, and provide a description related to the problem through a speaker, and describe a final submission task. Of course, the explanation will be irrelevant even if provided through the screen.

After inducing the discussion problem, the learning induction device 130 receives and stores the photographed images provided from the learning terminal devices 110 arranged in each group, and then transmits them to the teacher terminal device 100. This process will be provided in real time without interruption of data. In the process of providing data for monitoring to the teacher terminal device 100, when a proposal for proposal to each group or a specific group is received from the teacher of the teacher terminal device 100, the learning terminal device of each designated group ( 110). When the teacher selects a specific button on the screen as shown in FIG. 2 in order to transmit a suggestion from the teacher terminal device 100, the learning induction device 130 can recognize the identification information, and through this, a learning terminal through which the suggestion is made. It is possible to know whether it should be transmitted to the device 110.

Above all, the learning inducing device 130 according to an embodiment of the present invention generates electronic notes by grouping or synthesizing contents of discussions in a specific class. Since the creation of the electronic note can use various types of designated formats, it will not specifically limit any one form. However, the e-notes contain the content of the problems given by each group, the agreements derived from each group, and suggestions made by teachers in the discussion process. Of course, the learning induction device 130 may stimulate students' learning needs by generating videos and the like by adding them to an electronic note.

The learning induction device 130 provides a screen for editing when an edit request for an electronic note is made by the teacher, edits and re-saves the electronic note according to the edited information when the edit information is input, and stores the Upon request, the (pre-) generated electronic notes can be sent individually to the representatives of each group or to students in the group. Of course, it may be possible to provide access to an electronic note by providing URL information in the form of a push up message.

The learning induction device 130 may provide, for example, an application type program to the teacher terminal device 100 or the learning terminal device 110 in order to provide a learning induction service for PBL education, and also execute an application on a smartphone, etc. Through this, it is possible to provide additional services such as observing the learning scene made in the class by simply accessing the service. Furthermore, the learning induction device 130 may provide a designated format for recording the agreement to the learning terminal device 110 for uniform or uniform processing of data, and receive data on the agreement through the format. will be.

FIG. 3 is a block diagram showing the structure of the learning induction device shown in FIG. 1.

As illustrated in FIG. 3, the learning induction device 130 according to an embodiment of the present invention includes some or all of the communication interface unit 300 and the learning induction processing unit 310, wherein "includes some or all of the "It has the same meaning as before.

The communication interface unit 300 communicates with the teacher terminal device 100 and the learning terminal device 110 via the communication network 120 under the control of the learning induction processing unit 310, respectively. Prior to performing the communication, of course, the process of registering the device by accessing the learning induction device 130 may be preceded. In the registration process, for example, information such as a device ID and a product release year may be used as identification information.

When the communication interface unit 300 receives a different problem or a related description for each group provided from the teacher terminal device 100 and a description of a task to be finally submitted, it transmits it to the learning terminal device 110. In the course of this, if a different problem is provided from the teacher terminal device 100 in each group, it is classified and transmitted to each learning terminal device 110. Providing a different problem will be able to present the problem by selecting an icon (not shown) of the learning terminal device 110 of each group displayed in each area as illustrated in FIG. 2 above. Through this, the learning induction device 130 may transmit a problem by identifying each learning terminal device 110, and of course, identification information may be transmitted when a problem is transmitted by clicking an icon.

In addition, the communication interface 300 photographs the shots provided by the learning terminal device 110, that is, a discussion scene of each group proceeding by a given task, etc., and transmits the captured images from each learning terminal device 110. After transmitting to the learning induction processing unit 310 to be stored, it is transmitted to the teacher terminal device 100 under the control of the learning induction processing unit 310. During this process, the monitoring scene is displayed in each area of FIG. 2. In fact, it can be seen that such an operation is made according to an agreement, that is, a protocol between the teacher terminal device 100 and the learning induction device 130 designated by the system designer.

In this process, when the teacher again monitors the discussion scene of each group and transmits the suggestion from the teacher terminal device 100 to the learning terminal device 110 individually or entirely when there is a separate suggestion, the communication interface unit ( 300) relays this.

The learning induction processing unit 310 may store data transmitted through the communication interface unit 300, for example, may be stored in the DB 130a of FIG. 1 through the communication interface unit 300, and use electronic data to store the data. Create notes. For example, you can create lecture notes. The electronic note will be created by recording the contents of the discussion in each group in a designated format. Problems given to each group, agreements derived from each group, and suggestions made by teachers during discussions can be generated as multimedia data. Of course, the multimedia material can be added to the video shot of the discussion in each group. The generated e-note allows the teacher to find out what went wrong and what went wrong in the discussions between the students and each group, so that discussions can be conducted in a more improved direction in the future. By looking at the discussions and agreements of the group's students, they will be able to find and improve their own areas of correction.

After the discussion is over, the learning induction processing unit 310 responds to the request from the teacher terminal device 100, and more specifically, the teacher's user device (for example, a home laptop, a school office computer, a dedicated tablet PC, etc.). Edits the stored electronic notes. After the class is over, the learning teacher can organize the content during the class and the content that the learning teacher wants to deliver and mark it separately in the electronic lecture notes to provide it to the students. For example, comments and evaluations of a learning teacher for each group discussion may be further attached. The generation of the electronic note can be made in various ways, so the embodiment of the present invention will not be limited to any one method.

FIG. 4 is a block diagram showing another structure of the learning induction device shown in FIG. 1.

4, the learning induction device 130 'according to another embodiment of the present invention includes a communication interface unit 400, a control unit 410, a learning induction execution unit 420, and a storage unit 430. Includes some or all.

Here, "including all or part" means that some components, such as the storage unit 430, are omitted, so that the learning induction device 130 'is configured, or components such as the learning induction execution unit 420 control unit 410 It means that it can be incorporated into other components such as, etc., it will be described as including all in order to help a sufficient understanding of the invention.

The learning induction device 130 'of FIG. 4 is compared with the learning induction device 130 of FIG. 3, the learning induction processing unit 310 of FIG. 3, as shown in FIG. 4, the control unit 410 and the learning induction execution unit ( It can be seen that the difference is that it can be dualized with 420). In other words, in FIG. 3, if the learning induction processing unit 310 centralizes and processes the operation of providing the control function and the learning induction service for PBL education within one program or one hardware (eg, IC), FIG. 4 The control unit 410 and the learning induction execution unit 420 are separated in software or hardware, so that the control unit 410 is in charge of the control operation and the learning induction execution unit 420 performs an operation for the learning induction service. .

Accordingly, for example, when various data is received through the communication interface unit 400, the control unit 410 temporarily stores the data in the storage unit 430 and provides it to the learning induction execution unit 420 to discuss the content of each group discussion. It is to create an electronic note containing. And, by receiving the generated electronic note, the communication interface 400 may be controlled and stored in the DB 130a of FIG. 1.

The learning induction execution unit 420 includes a program for providing a PBL education service according to an embodiment of the present invention and executes it under the control of the control unit 410. Representatively, the learning induction execution unit 420 not only generates an electronic note containing the contents of the discussion for each group, but also edits the electronic note generated in accordance with the teacher's request and controls the updated electronic note data. 410.

Except for the above, for further information related to the other communication interface unit 400, the control unit 410, the learning induction execution unit 420 and the storage unit 430, the learning induction device 130 of FIG. 1, FIG. 3 The contents of the communication interface 300 and the learning induction processing unit 310 are not significantly different, and thus the contents will be replaced.

Meanwhile, the control unit 410 of FIG. 4 may include a CPU and a memory as another embodiment. The CPU includes a control circuit, an analysis unit, a calculation unit, and a registry, and the memory may include RAM. The control circuit is capable of controlling functions, and the interpreter is capable of interpreting machine language instructions to understand natural languages such as problems or suggestions suggested by teachers, the computing unit is involved in digital operations, and the registry is involved in data storage, and the CPU is learning When the induction device 130 'is initially driven, the program stored in the learning induction execution unit 420 may be copied and stored in a memory, and then executed, thereby rapidly increasing the data processing speed.

5 is a flow chart showing a driving process of the learning induction apparatus according to an embodiment of the present invention.

For convenience of explanation, referring to FIG. 5 together with FIG. 1, the learning induction device 130 of FIG. 1 according to an embodiment of the present invention learns a plurality of context data (eg, photographed images, etc.) related to discussions performed by groups. Each is received from the terminal device 110 (S500). Of course, prior to this process, the learning induction device 130 may present the problem provided by the teacher, and further the description to each learning terminal device 110.

Subsequently, the learning induction device 130 transmits the (pre-) received situation data to the teacher terminal device 100 that monitors the discussion situation for each group, and when the agreement is reached for the discussion by group, receives the derived agreement (received Generates an electronic note (including one agreement), and provides the generated electronic note as a user device of learners for each group (S510).

Here, the user device includes a laptop computer, a tablet PC, a smart phone, etc. possessed by each student participating in the discussion, and an electronic note is automatically provided or a learning induction device based on each student's contact information (eg, an email address, etc.) It may be provided upon request by accessing (130). In the course of this, if there is update data from the teacher for electronic notes stored in the process, it is also possible to provide the updated fact to the user's device in the form of a push-up message. It will be possible.

Further, the learning induction device 130 provides an operation such as commenting on a discussion for each group or evaluating a score by providing the generated electronic note when there is a request to edit the electronic note generated from the teacher. You can do it. Of course, in this case as well, students may be provided with the updated electronic notes or notified of the facts.

On the other hand, that all components constituting the embodiments of the present invention are described as being combined or operated as one, the present invention is not necessarily limited to these embodiments. That is, if it is within the scope of the present invention, all of the components may be selectively combined and operated. In addition, although all of the components may be implemented by one independent hardware, a part or all of the components are selectively combined to perform a part or all of functions combined in one or a plurality of hardware. It may be implemented as a computer program having a. The codes and code segments constituting the computer program may be easily deduced by those skilled in the art of the present invention. Such a computer program is stored in a computer-readable non-transitory computer readable media, and read and executed by a computer, thereby implementing an embodiment of the present invention.

Here, the non-transitory readable recording medium means a medium that stores data semi-permanently and that can be read by a device, rather than a medium that stores data for a short time, such as registers, caches, and memory. . Specifically, the above-described programs may be stored and provided on a non-transitory readable recording medium such as a CD, DVD, hard disk, Blu-ray disk, USB, memory card, ROM, and the like.

Although the preferred embodiments of the present invention have been illustrated and described above, the present invention is not limited to the specific embodiments described above, and it is usually in the technical field to which the present invention pertains without departing from the gist of the present invention as claimed in the claims. It is of course possible to perform various modifications by a person having knowledge of, and these modifications should not be individually understood from the technical idea or prospect of the present invention.

100: teacher terminal device 110: learning terminal device
120: communication network 130, 130 ': learning induction device
200: speaker button 300, 400: communication interface
310: learning induction processing unit 410: control unit
420: learning induction execution unit 430: storage unit

Claims (5)

As a learning-inducing device that allows one teacher to monitor a small group of multi-group student classes for PBL (Problem-based Learning) education,
A communication interface unit for receiving context data related to discussions for each group from a plurality of learning terminal devices; And
The received situation data is transmitted to the teacher terminal device that monitors the discussion situation for each group, and when the agreement for each discussion is derived for each group, the derived agreement is received to generate an electronic note as a lecture note in a designated format, Includes a control unit for controlling the communication interface unit to provide the generated electronic notes to the user device of the group-specific learners;
The control unit,
When assigning different topics for each group, a discussion topic is provided to the plurality of learning terminal apparatuses by clicking each icon displayed on the screen of the teacher terminal apparatus and recording each topic.
In order to deliver the suggestions related to the discussion, click a button displayed on one side of the screen of the teacher terminal device to bring up a pop-up window, and provide the suggestions input to the pop-up window to the plurality of learning terminal devices,
The control unit,
On the basis of the discussion topic and the suggestion, each of the group-specific discussion scenes taken during the designated discussion time is received as the situation data and transmitted to the teacher terminal device for monitoring on the screen,
When the discussion time is over, request the group to enter a discussion agreement for each group, and upon completion of input of the group problem solving plan according to the request, the discussion topic for the teacher's class, the group discussion agreement, and the teacher's Create the electronic note containing the suggestions,
After the class ends, if there is a teacher's comment and evaluation for each group discussion from the teacher terminal device, the comment and evaluation are added to generate the electronic note,
The control unit,
The screen of the teacher terminal device is divided to display the captured images of each group on the split screen, and the discussion content of each member of each group is displayed as a subtitle on one side of the screen, and the teacher divides the designated area When the speaker button displayed on the screen is clicked, the content of the discussion in the designated area is controlled to be output to the outside, and when the speaker button is clicked again, the output voice is blocked and only subtitles are output.
The control unit,
If the learning terminal device is not equipped with a camera, the learning induction device that the monitoring is made by voice. delete delete delete According to claim 1,
The control unit is a learning induction device for receiving the agreement written in each of a common designated format provided to the plurality of learning terminal devices.

Images