JP2002111611A - Program receiving system and demonstration method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an audience participation type demonstration system and method for education by which audiences can experience experiments, etc., by their own wills. SOLUTION: Downloaded digital broadcast signals contain program data and accessory data. The program data are displayed on a television display 25 as moving pictures following instructions from a CPU 21. The accessory data are transmitted to educational equipment following instructions from the CPU 21. On the educational equipment side, an educational equipment operating program contained in the accessory data is executed by the user of the equipment.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information receiving apparatus for receiving a digital broadcast and a demonstration method using the digital broadcast. More specifically, the present invention demonstrates an experiment related to contents broadcast in an educational program. And a demonstration method for executing an experiment or the like.

[0002]

2. Description of the Related Art Conventionally, in an educational facility such as a school, a class is sometimes provided by using an educational program generally distributed by a broadcasting system. In this case, the students who are the viewers of the educational program have passively watched the program like a lecture to deepen their understanding of the lesson contents.

[0003]

However, in educational programs involving experiments and practical training, it is desirable that students participate in experiments and share experiences.

[0004] If this is ultimately pursued, it is desirable that experiments and the like are actually performed in a classroom, but it is difficult to perform all experiments in the classroom from the viewpoint of cost and safety of educational equipment. .

On the other hand, in recent years, scientific calculators having a programming function and a graph display function, which have a data communication function and the like, have been developed, and are becoming widespread as educational devices in educational sites such as experiments and practical training. Such an educational device has an advantage that an experiment or the like can be easily and voluntarily experienced.

The present invention has been made in view of the above circumstances, and has been voluntarily provided for experiments and the like in class activities and the like using high-quality educational programs created by utilizing substantial experimental facilities and the like. It is an object to provide a program receiving system and a demonstration method that can be experienced.

[0007]

The present invention has the following features to solve the above-mentioned problems. In the following description of the means, a configuration corresponding to the embodiment is exemplified by parentheses. Reference numerals and the like correspond to reference numerals in the drawings.

According to the first aspect of the present invention, there is provided a program receiving system comprising: a receiving means (for example, a receiving circuit 24 shown in FIG. 3) for receiving program data and additional data related to the program data; Separating means for separating the received additional data and the program data (for example, FIG.
5; S13 in FIG. 5 and a device (eg,
An interface unit (for example, the educational device interface 123 shown in FIG. 3) capable of transmitting to the educational device 30 shown in FIG. 4 is provided.

According to the first aspect of the present invention, the separating means separates the additional data and the program data received by the receiving means, and the interface means transmits the separated additional data to the device. Since the transmission is performed, not only can the image and sound of the program be reproduced and presented to the viewer, but also the viewer can voluntarily use the device to perform a predetermined demonstration according to the progress of the program. .

[0010] The above-mentioned programs include a narrowly defined educational program for supporting the curriculum of school education, a cooking program, an educational program for notifying information on techniques and experiences, and other various programs. Equipment includes experiments, including simulations,
Includes educational equipment that can be used for practical training and other various demonstrations.

[0011] The invention according to claim 2 is characterized in that the program data is moving image information, and further comprises a television display (for example, a television display 25 shown in FIG. 3) for displaying the moving image information.

According to the second aspect of the present invention, it is possible for the viewer to voluntarily use the device to perform a predetermined performance in accordance with the progress of the program including the moving image information.

[0013] In the third aspect of the present invention, the program data is audio information, and the device (for example, the educational device 3 shown in FIG. 18) is based on predetermined data included in the accompanying data.
0) is further provided with means for transmitting a control signal for controlling (0), for example, the educational device interface 123 shown in FIG.

According to the third aspect of the present invention, it is possible for a program receiver to voluntarily utilize a device to perform a predetermined demonstration in accordance with the progress of a program including audio information. Further, by supplying a control signal to the device, support information for a program receiver to visually understand can be provided at an appropriate timing, and effective acquisition of educational contents can be achieved.

According to a fourth aspect of the present invention, when the data received by the receiving means includes the ancillary data, a display changing means for changing a part of a display image of the television display (for example, S25 shown in FIG. 7). ) Is further provided.

According to the fourth aspect of the present invention, the viewer can confirm the existence and type of the accompanying data provided for the predetermined demonstration, and can provide the educational equipment at an appropriate timing in accordance with the progress of the program. Can be operated.

According to a fifth aspect of the present invention, when the data received by the receiving means includes the additional data, a storage means for storing the additional data separated by the separating means (for example, as shown in FIG. 3) The storage unit 28 and the storage medium 29; S35 in FIG. 9 are further provided.

According to the invention of claim 5, the educational equipment can be operated if necessary after the end of the program.

According to a sixth aspect of the present invention, when the data received by the receiving means includes the ancillary data, means for displaying information on the type of the device corresponding to the ancillary data (for example, FIG. CPU 21 shown; S5 in FIG.
5) is further provided.

According to the sixth aspect of the present invention, since information on the type of the corresponding device is displayed, the viewer can easily determine whether the connected device is appropriate and which device should be connected. You can judge.

According to a seventh aspect of the present invention, when the data received by the receiving means includes the ancillary data, control for simplifying the operation of the device is performed based on predetermined data included in the ancillary data. Means for transmitting a signal to the device (for example, the CPU 21 shown in FIG. 3;
66).

According to the seventh aspect of the present invention, the device can be operated by the control signal, and a predetermined demonstration by the device can be started quickly and appropriately.

According to the present invention, together with the ancillary data transmitted from the interface means to the device, predetermined audio information in the moving image information corresponding to the ancillary data is transmitted to the device (for example, , FIG.
(S106 in FIG. 23).

According to the eighth aspect of the present invention, audio information corresponding to the ancillary data is transmitted to the device, so that audio reproduction can be obtained when a predetermined performance is reproduced on the device. You can learn experiments and experiences.

According to a ninth aspect of the present invention, there is provided a demonstration method of distributing distribution information including program data to be broadcast in a program and accompanying data for executing a predetermined demonstration related to the program data (for example, , S11 and S12 shown in FIG. 5),
A step of receiving the distribution information by a program receiving system to separate the ancillary data and the program data (for example, S13 and S14 shown in FIG. 5); and transmitting the separated ancillary data from the program receiving system. A demonstration process (for example, S16 shown in FIG. 5).

According to the ninth aspect of the present invention, the distribution information including the program data and the additional data is received by the program receiving system, and the additional data is separated from the distribution information. Is taken into the device from the program receiving system, the viewer can voluntarily utilize the device to perform a predetermined demonstration as the program progresses.

[0027]

DESCRIPTION OF THE PREFERRED EMBODIMENTS [First Embodiment] FIG. 1 is a diagram for explaining the overall configuration of an educational demonstration system using digital broadcasting to which the present invention is applied. The demonstration system includes a program transmission device 10 provided in a digital broadcasting station that provides various educational programs, a program reception device 20 installed in a school receiving an education program, and a program reception device 20 that performs demonstrations such as experiments. It includes an educational device 30 for receiving necessary data, and a communication line 40 such as a telephone network for receiving response of a viewer as response data via the program receiving device 20 and transferring the response data to the program transmitting device 10.

The program transmitting apparatus 10 distributes not only program data to be broadcast in an educational program such as science but also distribution information including predetermined performance related to the program data, that is, additional data for performing experiments and simulations. can do. The program transmitting apparatus 10 appropriately modulates distribution information, which is digital data, and transmits a radio wave from the transmission antenna 101.

The program receiving apparatus 20 includes a receiving antenna 102
Receives the radio wave and demodulates the distribution information. From the received distribution information, the program data and the accompanying data are separated as digital data. The former program data is displayed on a television display as ordinary moving image information. The latter incidental data includes experiment data, educational equipment operation programs, educational equipment operation information, and the like. Of these, the experimental data and educational equipment operation programs are transmitted to the educational equipment 30.

The educational equipment 30 is for performing experiments and simulations based on experimental data output from the program receiving apparatus 20 and incidental data including an educational equipment operation program and the like. For example, a computer such as a small electronic calculator (scientific calculator) equipped with a function can be used.

In the demonstration system described above, the program receiving device 20 distributes distribution information including the program data of the educational program and the associated data for conducting experiments and the like related thereto. The program receiving device 20 reads out the program data from the received distribution information, displays the moving image of the program on a television display, and transmits the accompanying data separated from the distribution information to the educational device 30 in response to a viewer's request or the like. . Upon receiving the download of the data and the program included in the incidental data, the educational device 30 enters a state in which a simulation can be performed in accordance with the content and progress of the educational program.

In the drawings, the transmission of the distribution information from the program transmitting apparatus 10 to the program receiving apparatus 20 looks like a terrestrial wave. However, the demonstration system is configured using various program broadcasting media such as satellite broadcasting. be able to.

FIG. 2 is a block diagram conceptually illustrating the structure of program transmitting apparatus 10 arranged in a broadcasting station.

The illustrated program transmitting apparatus 10 has a CPU (Centr
al Processing Unit) 11, input unit 12, transmission control unit 1
3, transmission circuit 14, display unit 15, RAM (Random Access
Memory 17, and a storage unit 18. The CPU 11 uses the bus BL to control the input unit 12, the transmission control unit 13, the transmission circuit 14, the display unit 15, and the RAM 1.
7, and the storage unit 18 can exchange data with each other.

The CPU 11 reads out predetermined programs and data from the storage unit 18 based on an instruction input through the input unit 12 and temporarily stores them in the RAM 17, and executes various processes based on these programs and data. Each part of the program transmission device 10 is generally controlled. That is, CPU
11 executes various processes based on the read predetermined program and data, stores the processing results in a work memory in the RAM 17, generates display data associated with the various processes, and displays the display data on the display unit 15. Further, based on an instruction input through the input unit 12, the processing result is stored in the storage medium 19 via the storage unit 18.

In the program transmitting apparatus 10 of the present embodiment,
For example, when transmitting a broadcast program that has been recorded and edited in advance, the CPU 11 performs, based on the educational device control program stored in the storage unit 18, the experiment data accompanying the broadcast program and the operation of the educational device 30. The auxiliary data such as a program and operation information is reproduced and converted into a signal for transmission. The CPU 11 reproduces program data of a desired broadcast program recorded in the storage unit 18 or the storage medium 19 based on a moving image reproduction conversion program for moving image information stored in the storage unit 18 in advance. Convert to a signal for transmission.

The input unit 12 is composed of a keyboard, a mouse and the like, and outputs a command signal reflecting the intention of the operator to the CPU 11.

The display unit 15 is an LCD (Liquid Crystal D)
and various displays are performed based on drive signals obtained by appropriately processing display data output from the CPU 11.

The RAM 17 includes a work memory for temporarily storing application programs, input instructions, input data, processing results, and the like designated by the program transmitting apparatus 10, and various types of programs for storing reproduced program data and accompanying data. It has a memory area.

The storage unit 18 is provided by a built-in ROM or the like.
A plurality of basic programs and application programs for operating the program transmission device 10 are stored. That is, in addition to the basic programs that do not need to be rewritten, such as an initial display program and a menu selection program that are executed when the power of the program transmitting apparatus 10 is turned on, the program transmitting apparatus 1
Stores application programs corresponding to various processes performed in step S.

The storage unit 18 stores the writable storage medium 1
9 can reproduce data, programs, and the like, and conversely, the storage medium 19 can record data, programs, and the like. The storage medium 19 is formed of a magnetic or optical recording medium or a semiconductor memory, and is fixedly provided in the storage unit 18 or is detachably mounted. The storage medium 19 stores various application programs, data processed by these programs, program data that is moving image information of broadcast programs, experimental data accompanying broadcast programs, additional data such as educational equipment operation programs, and the like. .

The transmission circuit 14 performs error correction coding on the reproduced program data and the accompanying data, digitally modulates the data, performs power amplification and the like, and transmits a digital broadcast signal to the transmission antenna 101. The program data of the broadcast program can be stored in the storage unit 18 or the like in advance. However, the digitalized version of the moving image analog data is directly input as program data to the transmission circuit 14 and is superimposed on the accompanying data. Can be matched. Further, the program data and other auxiliary data are not limited to one, and program data corresponding to a plurality of programs can be multiplexed and transmitted.

The transmission control unit 13 has a modem (MODEM:
MOdulator / DEModulator) or a terminal adapter (TA).
The control for communication with an external device via a communication line 40 such as a telephone line and an ISDN line shown in FIG.

FIG. 3 is a block diagram conceptually illustrating the structure of the program receiving device 20 arranged in the room of the viewer.

The illustrated program receiving apparatus 20 includes a CPU 21,
The CPU 21 includes an input unit 22, a transmission control unit 23, a reception circuit 24, a television display 25, a moving image display circuit 26, a RAM 27, a storage unit 28, and an educational device interface 123.
Data can be exchanged between the input unit 22, the transmission control unit 23, the receiving circuit 24, the moving image display circuit 26, the RAM 27, the storage unit 28, and the interface 123 for educational equipment.

The CPU 21 reads out predetermined programs and data from the storage unit 28 based on an instruction input through the input unit 22 and temporarily stores them in the RAM 27, and executes various processes based on these programs and data. Each part of the program receiving device 20 is generally controlled. That is, CPU
The computer 21 executes various processes based on the read predetermined program and data, stores the process results in a work memory in the RAM 27, generates display data associated with the various processes, and displays the display data on the television display 25. In addition, based on an instruction input through the input unit 22, the processing result is stored in the storage medium 29 via the storage unit 28.
To save.

In the program receiving device 20 of the present embodiment,
For example, when receiving an educational program, the CPU 21 determines, based on a program receiving program stored in the storage unit 28,
The distribution information included in the digital broadcast signal of the educational program is separated into program data as moving image information and additional data attached to the program. Further, the CPU 21 stores the program data of the educational program in the storage medium 29 or the like based on the recording program stored in the storage unit 28. Also, CPU
The storage unit 21 stores the auxiliary data of the educational program in a storage medium 29 or the like based on the auxiliary data storage program stored in the storage unit 28. Further, the CPU 21 stores the ancillary data in the educational device interface 1 based on the data transfer program stored in the storage unit 28.
The data is transmitted to the educational device 30 via the communication device 23.

The input section 22 is constituted by a remote controller having numerical keys, command keys, and the like, and outputs a command signal reflecting the intention of the operator to the CPU 21.

The television display 25 is composed of an LCD or the like, and performs display related to the operation of the program receiving apparatus 20 in addition to broadcast images and sounds based on the drive signal input from the moving image display circuit 26. The moving image display circuit 26
A drive signal based on the program data input from U21 is generated to control the television display 25.

The RAM 27 is a work memory for temporarily storing application programs, input instructions, input data, processing results, and the like designated by the program receiving apparatus 20, and various memories for storing received program data and accompanying data. With regions.

The storage unit 28 stores a plurality of basic programs and application programs for operating the program receiving apparatus 20 by using a built-in ROM. That is,
In addition to basic programs such as an initial program to be executed when the power of the program receiving apparatus 20 is turned on and not requiring rewriting, application programs corresponding to various processes performed by the program receiving apparatus 20 are stored.

The storage unit 28 includes a writable storage medium 2
9 can reproduce data, programs, and the like. Conversely, the storage medium 29 can record moving image data of broadcast programs, programs distributed along with the data, and the like. The storage medium 29 is formed of a magnetic or optical recording medium or a semiconductor memory, and is fixedly provided in the storage unit 28 or is detachably mounted. The storage medium 29 stores various application programs, data processed by these programs, program data as moving picture information of broadcast programs, experimental data accompanying broadcast programs, and accompanying data such as educational equipment operation programs. . Especially when recording educational programs as videos,
A DVD storage device, a video recorder, or the like is used.

The receiving circuit 24 amplifies and demodulates the digital broadcast signal received by the receiving antenna 102, and reads out distribution information including program data and accompanying data.

The transmission control unit 23 is constituted by a modem or a terminal adapter or the like.
Control for communicating with an external device via a communication line 40 such as an SDN line is performed.

The educational device interface 123 has a terminal that can be connected to the educational device 30 of FIG. 1 via a communication cable or the like. The educational device interface 123 is provided for the educational device 3 according to a predetermined protocol.
Data transmission / reception is carried out with 0.

FIG. 4 is a block diagram for explaining a specific structure of the educational device 30 when the educational device 30 is a computing device.

As shown in FIG. 4, the educational device 30 has a CPU
31, input unit 32, broadcast receiving device interface 3
3. It comprises an interface 34 between educational devices, a display unit 35, a display drive circuit 36, a RAM 37, a storage unit 38, a tablet 132a, and a position detection device 132b.

The CPU 31 reads out predetermined programs and data from the storage unit 38 based on an instruction input through the input unit 32 and the like, temporarily stores them in the RAM 37, and executes various processes based on these programs and data. And overall control of each unit of the educational device 30. That is, the CPU 3
1 executes various processes based on the read predetermined program and data, stores the processing results in a work memory in the RAM 37, generates display data by a display driving device circuit 36, and displays the display data on a display unit 35. Let it. In addition, based on an instruction input through the input unit 32, the processing result is stored in the storage medium 39 via the storage unit 38.

In the educational device 30 of the present embodiment, for example, when performing a function operation, the CPU 31 executes a graph-type registration process based on a graph-type registration process program stored in the storage unit 38, and When a function execution instruction is input, a trace process is executed according to a trace processing program.

The input unit 32 includes numerical keys, character keys, data input keys composed of various operation keys, and cursor movement keys (“→”, “←”, “↑”) operated when moving a cursor or a trace pointer. , "↓"), a mode key operated to select an operation mode, an "EXE" key operated to execute an operation, and an "ESC" operated to end or stop a process being executed. Key group and various other key groups.
Output to PU31.

The mode key is used to set the operation mode of the educational device 30. The mode key is a numerical operation mode for performing four arithmetic operations, a program input mode for inputting and executing a C language, CASL or other programming language, a desired text data. Editor mode for inputting and storing, a vector drawing mode for drawing a vector on the display unit 35, a graph drawing mode for drawing a physical quantity change graph indicating a change in various parameters, and a motion for simulating and displaying a change over time of a motion trajectory of an object. Includes keys for selecting and setting the drawing mode and the like.

The tablet 132a is an input device which is a combination of a device for designating coordinates such as an input pen (not shown) and a plate-like device for sensing the designated coordinates. System, magnetostrictive,
A position coordinate pointed by an input pen (not shown) is detected based on a coordinate reading principle such as a voltage type, and a detection result is sent to a CPU.
31. The tablet 132a is integrated with a display unit 35 described later, and can perform an input operation by directly instructing display contents displayed on the display unit 35 with an input pen.

The display unit 35 is constituted by an LCD or the like.
Various displays are performed based on the drive signal input from the display drive circuit 36. The display drive circuit 36 generates a drive signal based on the display data input from the CPU 31, and controls the display of the display unit 35.

The broadcast receiver interface 33 is
A terminal is provided that can be connected to the program receiving device 20 of FIG. 1 via a communication cable or the like. The broadcast receiving device interface 33 transmits and receives data to and from the program receiving device 20 according to a predetermined protocol.

The data received from the program receiving device 20 includes, for example, an educational equipment operation program for performing processing such as simulation in accordance with the progress of the program being broadcast, and condition setting data such as experimental data. CPU31
The educational device operation program or the like received via the broadcast receiving device interface 33 is temporarily stored in the storage unit 38 and read out at an appropriate timing.
8 and read them directly, and perform a demonstration process such as a simulation.

On the other hand, the data transmitted to the program receiving apparatus 20 includes a response signal to a question from the program, a command signal for instructing the download of the educational device operation program, and the like. That is, the CPU 31 transmits a response signal as a result of operating the input unit 32 to the broadcast receiving device interface 33 in response to an inquiry or the like in a program by the viewer to the broadcast receiving device interface 33, or A command signal for instructing start and end of download of the program and the condition setting data is transmitted.

The educational equipment interface 34 has a terminal which can be connected to other educational equipment not shown via a communication cable or the like. The interface 34 between the educational devices exchanges data including an educational device operation program with other educational devices.

The RAM 37 includes a work memory for temporarily storing an application program, an input instruction, input data, and a processing result designated by the educational device 30, a graph memory for storing an input graph, a mathematical processing, and the like. Various memory areas, such as a derivative memory for storing the derivative calculated by the above, and a differential memory for storing the calculated differential value.

The storage unit 38 stores a plurality of basic programs and application programs for operating the educational device 30 by using a built-in ROM. That is, in addition to basic programs that do not need to be rewritten, such as an initial display program, a menu selection program, various function calculation programs, a statistical calculation processing program, and a graph drawing program, which are executed when the power of the education device 30 is turned on, 30 stores application programs corresponding to the various processes performed at 30.

The storage unit 38 stores the writable storage medium 3
9, a program, data, and the like can be recorded.
The storage medium 39 is formed of a magnetic or optical recording medium or a semiconductor memory, and is fixedly provided in the storage unit 38 or is detachably mounted. The storage medium 39 stores various application programs, educational device operation programs downloaded from the program receiving device 20, data processed by these programs, and the like.

Next, the operation of the educational demonstration system according to the first embodiment will be described with reference to the flowchart shown in FIG. In this case, it is characterized in that additional data corresponding to the broadcast contents can be downloaded to the educational device 30 from the educational television program being broadcast.

First, the CPU 11 of the program transmitting apparatus 10
Storage unit 1 for moving picture information recorded for programs to be broadcast
8 and reproduces the program data (television information), as well as ancillary data (educational equipment data) including experiment data for conducting an experiment or the like corresponding to the program, educational equipment operation program, and educational equipment operation information. Storage unit 18
Read from Further, the CPU 11 combines the program data and the accompanying data to form digital distribution information (step S11).

Next, the CPU 11 outputs the digital distribution information to the transmission circuit 14. Digital distribution information is distributed from the transmission circuit 14 as a digital broadcast signal via the transmission antenna 101 (step S12).

The distributed digital broadcast signal is taken into the receiving circuit 24 via the receiving antenna 102 of the program receiving device 20. The CPU 21 reads the digital distribution information from the receiving circuit 24 and separates the program data from the accompanying data (step S13). The program data is C
In accordance with an instruction from the PU 21, the moving image is displayed on the television display 25 as a moving image and the accompanying sound is output.

When separating the program data and the accompanying data from the digital distribution information, the CPU 21 determines whether or not the accompanying data exists (step S1).
Four).

If there is ancillary data, the CPU 21
Determines whether the program receiving device 20 and the educational device 30 are connected via the educational device interface 123, and if the program receiving device 20 and the educational device 30 are connected, A communication protocol is established (step S15).

Next, the CPU 31 and the RA 27 of the educational device 30 are read from the CPU 21 and the RAM 27 of the program receiving device 20.
Ancillary data in the digital distribution information is transmitted to M37 and the like (step S16).

Next, the CPU 21 determines whether or not the reception of the program has been completed (step S17). Step S
If it is determined in 14 that there is no ancillary data,
It is determined whether the reception of the program has been completed.

If it is determined in step S17 that the reception of the program has been completed, the process is terminated. If it is determined that the reception of the program has not been completed, the process returns to step S13 to return to steps S13 to S17. The process is repeated.

On the educational device 30 side, the educational device operation program is executed by the viewer in parallel with the progress of the educational program or at an appropriate timing after the end of the program. Specifically, the CPU 31 directly displays the experimental data based on the educational device operation program included in the accompanying data, or executes a simulation or the like based on the educational device operation program or in accordance with the content of the program, and outputs the result. indicate.

FIG. 6 is a schematic view of the operation state.
FIG. 6A shows the display of an educational program in step S13, and FIG. 6B shows the transmission of incidental data from the program receiving apparatus 20 to the educational equipment 30 in step S16.
(C) shows the execution of the educational device operation program in the educational device 30.

The execution of the educational device operation program in the educational device 30 will be specifically described. For example, suppose that a physical education television program broadcasts an experiment that measures the movement of an object using a sensor. How the object moves,
A state in which the sensor measures distance data at specific intervals as distance data and captures the distance data into a measuring device is displayed on a television screen. At this time, the program transmitting apparatus 10 of the broadcasting station transmits the program data including the moving image information of the television, as well as the experimental data measured in the experimental scenery shown on the television screen as the accompanying data. The educational device 30 that has received the incidental data can use the same experimental data as the experimental result seen in the educational television program in a classroom class or the like. [Second Embodiment] Hereinafter, an educational demonstration system according to a second embodiment will be described. The educational demonstration system of the second embodiment is a modification of the operation of the system of the first embodiment, and there is no change in the hardware configuration of the system.

The operation of the educational demonstration system according to the second embodiment will be described with reference to the flowchart shown in FIG.
In this case, when the distribution information includes ancillary data to be operated by the educational device, a feature is that a mark is displayed in an image displayed on the television display 25 of the program receiving device 20.

First, the CPU 11 of the program transmitting apparatus 10
Storage unit 1 for moving picture information recorded for programs to be broadcast
8 and reproduces the program data (television information), and reads from the storage unit 18 additional data (educational equipment data) for performing an experiment or the like corresponding to the program. Further, the CPU 11 combines the program data and the accompanying data to form digital distribution information (step S21).

Next, the CPU 11 outputs the digital distribution information to the transmission circuit 14. Digital distribution information is distributed as a digital broadcast signal from the transmission circuit 14 via the transmission antenna 101 (step S22).

The distributed digital broadcast signal is taken into the receiving circuit 24 via the receiving antenna 102 of the program receiving device 20. The CPU 21 reads the digital distribution information from the receiving circuit 24, and separates the program data from the accompanying data (step S23). The program data is C
In accordance with an instruction from the PU 21, the moving image is displayed on the television display 25 as a moving image and the accompanying sound is output.

When separating the program data and the accompanying data from the digital distribution information, the CPU 21 determines whether or not the accompanying data exists (step S2).
Four).

If there is ancillary data, the CPU 21
Displays a mark indicating that ancillary data is present in a part of the moving image displayed on the television display 25 as a mark and blinks the mark (step S).
twenty five).

Next, the CPU 21 communicates with the program receiving apparatus 20 and the educational equipment 3 via the educational equipment interface 123.
0 is connected to the program receiving device 2
If 0 and the educational device 30 are connected, a communication protocol is established with the CPU 31 (step S26).

Next, the CPU 21 and the RA 27 of the educational device 30 are read from the CPU 21 and the RAM 27 of the program receiving device 20.
Ancillary data in the digital distribution information is transmitted to M37 and the like (step S27).

Next, the CPU 21 determines whether or not the reception of the program has been completed (step S28). Step S
If it is determined at 24 that there is no ancillary data,
It is determined whether the reception of the program has been completed.

If it is determined in step S28 that the reception of the program has been completed, the process is terminated. If it is determined that the reception of the program has not been completed, the flow returns to step S23 to return to steps S23 to S28. The process is repeated.

The educational device 30 executes the educational device operation program in parallel with the progress of the educational program or at an appropriate timing after the end of the program by the viewer's operation.

FIG. 8 is a schematic view of the operation state.
FIG. 8A shows the display of the educational program associated with step S23 and no additional data is received, and FIG. 8B shows the display of the educational program associated with step S23 and the additional data is received. Indicates when

In this case, for example, a circular blinking display may be displayed on the screen as shown in FIG. 8B to notify the viewer of the reception of the accompanying data to the viewer, but the type of the accompanying data (experimental data) , Educational data such as educational equipment operation data, music data, etc.), and the color and shape, etc., depending on the status of the broadcast state of the accompanying data (eg, data transmission timing is imminent, data is being transmitted, etc.), etc. The format can be changed in various ways to notify the viewer. Third Embodiment Hereinafter, an educational demonstration system according to a third embodiment will be described. The educational demonstration system according to the third embodiment is obtained by changing the operation of the system according to the first embodiment.

The operation of the educational demonstration system according to the third embodiment will be described with reference to the flowchart shown in FIG.
In this case, the reception of incidental data such as experimental data is detected during the broadcasting of the educational television program, and the incidental data is automatically recorded in the storage medium 29. At this time, the storage medium 29
Can be an external hard disk, DVD media, video tape, or the like.

First, the CPU 11 of the program transmitting apparatus 10
Storage unit 1 for moving picture information recorded for programs to be broadcast
8 and reproduces the program data (television information), and reads from the storage unit 18 additional data (educational equipment data) for performing an experiment or the like corresponding to the program. Further, the CPU 11 combines the program data and the accompanying data to form digital distribution information (step S31).

Next, the CPU 11 outputs the digital distribution information to the transmission circuit 14. Digital distribution information is distributed from the transmission circuit 14 as a digital broadcast signal via the transmission antenna 101 (step S32).

[0099] The distributed digital broadcast signal is taken into the receiving circuit 24 via the receiving antenna 102 of the program receiving device 20. The CPU 21 reads the digital distribution information from the receiving circuit 24, and separates the program data from the accompanying data (step S33). The program data is C
In accordance with an instruction from the PU 21, the moving image is displayed on the television display 25 as a moving image and the accompanying sound is output.

When separating the program data and the accompanying data from the digital distribution information, the CPU 21 determines whether or not the accompanying data exists (step S3).
Four).

If there is ancillary data, the CPU 21
Saves the ancillary data in the digital distribution information in the storage medium 29 regardless of whether the program receiving device 20 and the educational device 30 are connected (step S35). At this time, the power of the storage medium 29 is automatically turned on, and the recording medium 29 enters a recording standby state.

Next, the CPU 21 determines whether or not the reception of the program has been completed (step S36). Step S
If it is determined at 34 that there is no ancillary data,
It is determined whether the reception of the program has been completed.

If it is determined in step S36 that the reception of the program has been completed, the process is terminated. If it is determined that reception of the program has not been completed, the flow returns to step S33 to return to steps S33 to S36. The process is repeated.

At an appropriate timing after the end of the program,
The incidental data stored in the storage medium 29 of the program receiving device 20 is downloaded to the educational
On the side, the educational device operation program is executed by the operation of the user.

FIG. 10 is a schematic view showing the operation state.
FIG. 10 (a) shows the display of the educational program in step S33, in which no additional data has been received.
(B) shows the display of the educational program in step S33, and the accompanying data is automatically stored in the external storage medium 29. [Fourth Embodiment] Hereinafter, an educational demonstration system according to a fourth embodiment will be described. The educational demonstration system according to the fourth embodiment is obtained by changing the operation of the system according to the first embodiment.

The operation of the educational demonstration system according to the fourth embodiment will be described with reference to the flowchart shown in FIG. In this case, in the program receiving device 20, the storage unit 28
Is characterized by having a mode in which only the accompanying data (educational equipment data) is reproduced in the DVD storage device or the like that constitutes. It is assumed that the storage unit 28 stores digital distribution information including program data and accompanying data according to an instruction from the CPU 21.

When this mode is selected, the CPU 21
Starts reproduction for reading digital distribution information from a DVD storage device or the like that constitutes the storage unit 28 (step S4).
1).

Here, the CPU 21 controls the operation of the storage unit 28 to perform a fast-forward reproduction operation (step S4).
2).

Further, based on the data read by the fast forward reproduction, the CPU 21 determines whether or not there is ancillary data (educational equipment data) in the digital distribution information (step S43). ).

When the additional data exists, the CPU 21
Controls the operation of the storage unit 28 to perform a normal reproduction operation (step S44). At this time, the program data and the accompanying data are separated from the reproduced digital distribution information. If there is no accompanying data, the process returns to step S42, and the CPU 21 causes the storage unit 28 to continue the fast-forward playback operation.

When the operation shifts to the normal reproduction operation in step S44, the CPU 21 determines whether or not the additional data exists in the digital distribution information, that is, whether or not the reproduction of the portion where the additional data exists has been completed. Judge (Step S4
Five).

If the reproduction of the existing portion of the incidental data is not completed, the flow returns to step S44 to maintain the normal reproduction operation. If the reproduction of the existing portion of the additional data is completed, the CPU 21 It is determined whether or not the reproduction of is completed (step S46).

If it is determined in step S46 that the reception of the program has been completed, the processing is terminated. If it is determined that reception of the program has not been completed, the flow returns to step S42 to return to steps S42 to S46. The process is repeated.

At an appropriate timing during the reproduction of the program or after the end of the reproduction of the program, the accompanying data in the digital distribution information is downloaded from the program receiving apparatus 20 to the educational equipment 30, and the educational equipment 30 is operated by a user operation. The educational device operation program is executed.

FIG. 12 is a schematic view of the operation state.
2 (a) shows a stage in which an educational program is recorded in advance, and FIG. 12 (b) shows that in a reproduction mode of only the experimental scenery, there is ancillary data in the digital distribution information and a normal reproduction operation is performed. FIG. 12C shows another state in which ancillary data is present in the digital distribution information and a normal reproduction operation is performed in the reproduction mode of only the experimental scenery.

In the above embodiment, when an educational program is recorded on a video recorder or the like, it is not necessary to reproduce the program itself.
This takes into account the fact that it may be desirable to use only the experimental data and educational equipment programs contained therein for a lesson. In the present invention, the CPU 21 provides a special playback key to various image recording devices such as a video recorder constituting the storage unit 28 so that only the accompanying data portion can be played back and called. This allows
It is possible to quickly call up data for experiments required during class. [Fifth Embodiment] Hereinafter, an educational demonstration system according to a fifth embodiment will be described. The educational demonstration system according to the fifth embodiment is obtained by changing the operation of the system according to the first embodiment.

The operation of the educational demonstration system according to the fifth embodiment will be described with reference to the flowchart shown in FIG. In this case, when ancillary data is present during the broadcasting of the educational program, it is characterized in that it can display the experimental data in the ancillary data, the data format in which the educational device operation program can be used, the corresponding model, and the like. .

First, the CPU 11 of the program transmitting apparatus 10
Storage unit 1 for moving picture information recorded for programs to be broadcast
8 and reproduces the program data (television information), and reads from the storage unit 18 additional data (educational equipment data) for performing an experiment or the like corresponding to the program. Further, the CPU 11 combines the program data and the accompanying data to form digital distribution information (step S51).

Next, the CPU 11 outputs the digital distribution information to the transmission circuit 14. Digital distribution information is distributed from the transmission circuit 14 as a digital broadcast signal via the transmission antenna 101 (step S52).

[0120] The distributed digital broadcast signal is taken into the receiving circuit 24 via the receiving antenna 102 of the program receiving apparatus 20. The CPU 21 reads the digital distribution information from the receiving circuit 24 and separates the program data from the accompanying data (step S53). The program data is C
In accordance with an instruction from the PU 21, the moving image is displayed on the television display 25 as a moving image and the accompanying sound is output.

When the program data and the accompanying data are separated from the digital distribution information, the CPU 21 determines whether or not the accompanying data exists (step S5).
Four).

If there is ancillary data, the CPU 21
Indicates that a mark indicating that ancillary data is present in a part of the moving image displayed on the television display 25 is used as a mark, and the data format of the ancillary data corresponds to the part of the moving image. The type of the educational device is displayed (step S55).

Next, the CPU 21 communicates with the program receiving device 20 and the educational device 3 via the educational device interface 123.
0 is connected to the program receiving device 2
If 0 and the educational device 30 are connected, a communication protocol is established with the CPU 31 (step S56). In this case, the CPU 21 determines whether or not the connected educational device 30 is of a type that conforms to the data format of the incidental data. If the educational device 30 conforms as a result, it means that the corresponding device is connected to the television display 25. A mark is displayed, and if not compatible, a mark indicating connection of a non-compatible device is displayed on the television display 25. At this time, the display unit 35 of the educational device 30 or a specially provided indicator lamp can be used to indicate whether the device is a compatible device.

Next, the CPU 31 and the RA 27 of the educational device 30 are read from the CPU 21 and the RAM 27 of the program receiving device 20.
Ancillary data in the digital distribution information is transmitted to M37 and the like (step S57).

Next, the CPU 21 determines whether or not the reception of the program has been completed (step S58). Step S
If it is determined at 54 that there is no ancillary data,
It is determined whether the reception of the program has been completed.

If it is determined in step S58 that the reception of the program has been completed, the process is terminated. If it is determined that the reception of the program has not been completed, the flow returns to step S53 to return to steps S53 to S58. The process is repeated.

On the educational device 30 side, the educational device operation program is executed by the viewer in parallel with the progress of the educational program or at an appropriate timing after the end of the program.

FIG. 14 is a schematic view of the operation state.
4 (a) shows the display of the educational program in step S53, and shows a case where the accompanying data has not been received. FIG.
FIG. 14B shows a display of an educational program in which a mark indicating that additional data can be received is blinking.
(C) is a display of an educational program, in which the type of educational equipment corresponding to the data format is displayed together with a mark indicating that the accompanying data can be received. [Sixth Embodiment] Hereinafter, an educational demonstration system according to a sixth embodiment will be described. The educational demonstration system according to the sixth embodiment is obtained by changing the operation of the system according to the first embodiment.

The operation of the educational demonstration system according to the sixth embodiment will be described with reference to the flowchart shown in FIG. In this case, the broadcasting station transmits the ancillary data that composes the digital distribution data and includes the educational device operation data, and the settings and functions that require difficult operations are controlled from the broadcasting station, enabling smooth program progress. I do.

First, the CPU 11 of the program transmitting apparatus 10
Storage unit 1 for moving picture information recorded for programs to be broadcast
8 and reproduces the program data (television information), and stores ancillary data (educational equipment data) for conducting an experiment or the like corresponding to the program, including information on the operation of the educational equipment 30 and the automatic setting of functions. Read from the unit 18. Further, the CPU 11 forms digital distribution information by synthesizing the program data and the accompanying data (step S).
61).

Next, the CPU 11 outputs the digital distribution information to the transmission circuit 14. Digital distribution information is distributed from the transmission circuit 14 as a digital broadcast signal via the transmission antenna 101 (step S62).

[0132] The distributed digital broadcast signal is taken into the receiving circuit 24 via the receiving antenna 102 of the program receiving apparatus 20. The CPU 21 reads the digital distribution information from the receiving circuit 24 and separates the program data and the accompanying data (step S63). The program data is C
In accordance with an instruction from the PU 21, the moving image is displayed on the television display 25 as a moving image and the accompanying sound is output.

When separating the program data and the ancillary data from the digital distribution information, the CPU 21 determines whether or not the ancillary data exists (step S6).
Four).

If there is ancillary data, the CPU 21
Determines whether the program receiving device 20 and the educational device 30 are connected via the educational device interface 123, and if the program receiving device 20 and the educational device 30 are connected, Establish communication protocol. Then, the CPU 21 and the RAM of the program receiving apparatus 20 side
27, the accompanying data in the digital distribution information is transmitted to the educational device 30 (step S65).

On the educational device 30 side, the CPU 31 reads information relating to automatic setting from the accompanying data in the digital distribution information, and starts operation in the automatic control mode (step S66). In this automatic control mode, experimental data and educational equipment operation programs in the accompanying data are downloaded to the RAM 37 and the like, and demonstrations such as simulations are performed without performing difficult operations and settings.

Next, the CPU 21 determines whether or not the reception of the program has been completed (step S67). Step S
If it is determined at 64 that there is no ancillary data,
It is determined whether the reception of the program has been completed.

If it is determined in step S67 that the reception of the program has been completed, the process is terminated. If it is determined that the reception of the program has not been completed, the flow returns to step S63 to return to steps S63 to S67. The process is repeated.

FIG. 16 is a schematic view of the operation state.
6 (a) shows the display of the educational program without receiving the accompanying data, FIG. 16 (b) shows the reception of the accompanying data in step S65, and FIG. 16 (c) shows the step S66. A demonstration such as a simulation accompanying the is shown.

In this case, the operation of the educational device 30 is controlled from the broadcast station side. Difficult settings and difficult operations that are performed when using the educational device 30 during the broadcast of a program are difficult to perform within a limited time of the program, and there is a possibility that the explanation of an important part for learning is sparse. In the present embodiment, settings and functions that require difficult operations on the educational device 30 are controlled from the broadcast station side, thereby enabling a smooth program progress. Seventh Embodiment Hereinafter, an educational demonstration system according to a seventh embodiment will be described. The educational demonstration system of the seventh embodiment operates an educational device using teletext data of a radio broadcast. In the system of the first embodiment, the program receiving device 20 is not a television receiver but a radio receiver. is there. In this case, the television display 2 of FIG.
5 and the moving image display circuit 26, a speaker and its driving circuit are used.

First, the CPU 11 of the program transmission device 10
Storage unit 1 stores audio information recorded for programs to be broadcast
8 and reproduces the program data (radio information), and reads from the storage unit 18 additional data (educational equipment data) for performing an experiment or the like corresponding to the program. Further, the CPU 11 combines the program data and the accompanying data to form digital distribution information (step S71).

Next, the CPU 11 outputs the digital distribution information to the transmission circuit 14. Digital distribution information is distributed from the transmission circuit 14 as a digital broadcast signal via the transmission antenna 101 (step S72).

The distributed digital broadcast signal is taken into the receiving circuit 24 via the receiving antenna 102 of the program receiving device 20. The CPU 21 reads the digital distribution information from the receiving circuit 24, and separates the program data and the accompanying data (step S73). The program data is C
According to the instruction from the PU 21, the sound of the radio broadcast is output.

At this time, the CPU 21 determines whether or not the program receiving device 20 and the educational device 30 are connected via the educational device interface 123 (step S).
74).

If the program receiving device 20 and the educational device 30 are connected, the CPU 21 determines whether or not there is additional data (step S75).

When the ancillary data exists, the educational device 3 is read from the CPU 21 and the RAM 27 of the program receiving apparatus 20.
The accompanying data in the digital distribution information is transmitted to the CPU 31 and the RAM 37 on the 0 side (step S76).

On the educational device 30 side, the CPU 31 reads information related to automatic setting from the accompanying data in the digital distribution information, and starts the operation in the automatic control mode as in the case of the sixth embodiment. In this automatic control mode, RA
The experiment data and the educational equipment operation program in the accompanying data are downloaded to M37 and the like, and graphs, figures, materials, and the like are displayed according to the progress of the lesson without performing difficult operations and settings (step S77).

Next, the CPU 21 determines whether or not the reception of the program has been completed (step S78). Step S
If it is determined in 74 that the educational device 30 is not connected, or if it is determined in step S75 that there is no accompanying data, it is also determined whether the reception of the program has been completed.

If it is determined in step S78 that the reception of the program has been completed, the processing is terminated. If it is determined that the reception of the program has not been completed, the flow returns to step S73 to return to steps S73 to S78. The process is repeated.

FIG. 18 is a schematic view showing the operation state.
FIG. 8A is a diagram illustrating a state in which a radio receiver serving as the program receiving device 20 and the educational device 30 are connected. FIG.
FIG. 18B shows the reception of incidental data in step S76, and FIG.
Shows a state in which a demonstration according to the accompanying data is being performed.

In the case of learning using a radio, it is common practice to place a textbook at hand and give a lesson while listening to the radio. However, according to this method, it is impossible to change the content of the lecture based on the intuitive judgment of the lecturer who gives the lesson, which also affects the viewer's concentration on protest. In the present embodiment, the program transmitting apparatus 10 on the broadcast station side is used to transmit the program
The educational device 30 is controlled via the PC and various graphs, tables, and supplementary materials can be displayed on the educational device 30. [Eighth Embodiment] Hereinafter, an educational demonstration system according to an eighth embodiment will be described. The educational demonstration system according to the eighth embodiment is obtained by changing the operation of the system according to the first embodiment.

The operation of the educational demonstration system according to the eighth embodiment will be described with reference to the flowchart shown in FIG. In this case, there is a time table display mode for displaying a time table indicating at which stage of the program the ancillary data including the experimental data is transmitted. If you select this timetable display mode,
A time table is displayed on the screen of the television display 25 by an appropriate key input to the input unit 22 of the program receiving device 20.

More specifically, the CPU 11 of the program transmitting apparatus 10 reads out moving image information recorded for a program to be broadcast from the storage unit 18 to reproduce program data (television information), The storage unit 18 reads out, from the storage unit 18, educational device data including an educational device operation program for performing an experiment and the like, and time table data indicating transmission timing of the educational device data. Further, the CPU 11 forms digital distribution information by synthesizing the program data and the accompanying data (step S).
81).

Next, the CPU 11 outputs the digital distribution information to the transmission circuit 14. Digital distribution information is distributed from the transmission circuit 14 as a digital broadcast signal via the transmission antenna 101 (step S82).

The distributed digital broadcast signal is taken into the receiving circuit 24 via the receiving antenna 102 of the program receiving device 20. The CPU 21 reads the digital distribution information from the receiving circuit 24, and separates the program data from the accompanying data (step S83). The program data is C
In accordance with an instruction from the PU 21, the moving image is displayed on the television display 25 as a moving image and the accompanying sound is output.

On the other hand, the time table data among the accompanying data is also displayed on a part of the screen of the television display 25 while being updated as a time table in accordance with an instruction from the CPU 21 (step S84).

The CPU 21 determines whether or not there is a flag for announcing the broadcasting of the educational device data with respect to the accompanying data separated from the digital distribution information (step S85). If it is determined in step S85 that the notice flag does not exist, the process returns to step S83 and returns to step S83.
Repeat ~ S85.

[0157] If there is a notice flag for broadcasting the educational device data, the CPU 21 changes the display of the time table to notify the connection of the educational device 30 to the program receiving device 20 (step S86).

At this time, the CPU 21 determines whether or not the program receiving device 20 and the educational device 30 are connected via the educational device interface 123 (step S).
87).

When the program receiving device 20 and the educational device 30 are connected, the CPU 21 and the RAM of the program receiving device 20 are connected.
27 and the like, the CPU 31 and the RAM 37 on the educational device 30 side.
For example, the educational device data in the digital distribution information is transmitted (step S88). In step S87, the educational device 30
If it is determined that is not connected, the process returns to step S83.

Next, the CPU 21 determines whether or not the reception of the program has been completed (step S88).

If it is determined in step S88 that the reception of the program has been completed, the process is terminated. If it is determined that the reception of the program has not been completed, the flow returns to step S83 to return to steps S83 to S88. The process is repeated.

On the educational device 30 side, the educational device operation program is executed by the viewer in parallel with the progress of the educational program or at an appropriate timing after the end of the program.

FIG. 20 is a schematic view showing the operation state.
20 (a) shows the display of the educational program before the time table is displayed, and FIG. 20 (b) shows a time table displayed on a part of the screen and corresponding to the transmission timing of the educational device data. (C) shows that a part of the time table is changed in order to notify the transmission of the educational device data.

In this case, when the communication timing of the educational device data approaches, the display of the time table displayed on the screen is changed, and the viewer can know the communication timing of the educational device data in advance. Receiving device 20
There is no loss of connection timing between the device and the educational device 30. Ninth Embodiment Hereinafter, an educational demonstration system according to a ninth embodiment will be described. The educational demonstration system according to the ninth embodiment is a modification of the system according to the first embodiment. The educational demonstration system branches from the educational device 30 connected to the program receiving device 20 and is connected to a plurality of other educational devices 30. I have.

The operation of the educational demonstration system according to the ninth embodiment will be described with reference to the flowchart shown in FIG. In this case, a plurality of types of educational equipment data included in the accompanying data are transmitted over the program data, and the data on the teacher side and the data on the student side are distinguished from the educational equipment data according to the setting. And educational equipment 30 for students
And download individual data.

First, the CPU 11 of the program transmitting apparatus 10
Storage unit 1 for moving picture information recorded for programs to be broadcast
8 and reproduces the program data (television information), and reads from the storage unit 18 additional data (educational equipment data) for performing an experiment or the like corresponding to the program. Further, the CPU 11 combines the program data and the accompanying data to form digital distribution information (step S91).

Next, the CPU 11 outputs the digital distribution information to the transmission circuit 14. Digital distribution information is distributed from the transmission circuit 14 as a digital broadcast signal via the transmission antenna 101 (step S92).

[0168] The distributed digital broadcast signal is taken into the receiving circuit 24 via the receiving antenna 102 of the program receiving apparatus 20. The CPU 21 reads out the digital distribution information from the receiving circuit 24 and separates the program data from the accompanying data (educational equipment data). The program data is
In accordance with an instruction from the CPU 21, the moving image is displayed on the television display 25 as a moving image, and the accompanying sound is output.

When separating the program data and the accompanying data from the digital distribution information, the CPU 21 determines whether or not the accompanying data exists (step S9).
3). If there is no ancillary data, the process returns to step S92.

If there is ancillary data, the CPU 21
Determines whether the program receiving device 20 and the educational device 30 are connected via the educational device interface 123, and if the program receiving device 20 and the educational device 30 are connected, A communication protocol is established (step S94).

Next, the CPU 31 and the RA 27 of the educational device 30 are read from the CPU 21 and the RAM 27 of the program receiving device 20.
All the educational device data among the incidental data in the digital distribution information is transmitted to M37 and the like (step S95).

The CPU 31 of the educational device 30 communicates with the first educational device 3 for teachers via the interface 34 between educational devices.
0 and a plurality of second educational devices 30 for students are connected, and the first educational device 30 and the second educational device 3 are determined.
If 0 is connected, a communication protocol is established between both CPUs 31 (step S96).

Next, the CPU 31 of the first educational device 30
It is determined whether the received incidental data and the setting of the educational device 30 are in the all data transmission mode (step S).
97).

If it is determined in step S97 that the transmission mode is the all data transmission mode, the CPU 31 of the first educational device 30 deletes not all the educational device data but a part of the educational device data and sends it to the second educational device 30 side. Send (Step S9
8).

When it is determined in step S97 that the mode is not the all data transmission mode, the CPU 31 of the first educational device 30
All the educational device data is transmitted to the second educational device 30 (step S99).

FIG. 22 is a schematic view of the operation state. First
On the educational device 30 side, by operation of a teacher who is a viewer,
The educational device operation program provided for the teacher is executed in parallel with the progress of the educational program or at an appropriate timing after the end of the program. On the second educational device 30 side, the educational device operation program focused on the student is executed in parallel with the progress of the educational program or at an appropriate timing after the end of the program by the operation of the student who is the viewer. Is done.

In this case, when various demonstration data are received from the program receiving apparatus 20, if the teacher side setting is made as in the case of the first educational device 30, in addition to the demonstration data, the main points of learning, programs, etc. Various parts are received. On the other hand, when the setting is the student side as in the case of the second educational device 30, these lesson parts are not received. That is, the teacher device and the student device are automatically determined, and appropriate educational device data is transmitted to each device. As a result, the teacher can take in the essential points of the lesson from the television and explain it thoroughly.

In the above description, the program receiving device 20
It is assumed that the first educational device 30 for teachers is connected to the first educational device 30, and the second educational device 30 for students is connected to the first educational device 30.
And a plurality of second educational devices 30 can be connected simultaneously or individually. Also in this case, if the first educational device 30 is connected to the program receiving device 20, the transmitted data is teacher data, and if the second educational device 30 is connected to the program receiving device 20, The transmitted data is student data. [Tenth Embodiment] Hereinafter, an educational demonstration system according to a tenth embodiment will be described. The educational demonstration system according to the tenth embodiment is obtained by changing the operation of the system according to the first embodiment.

The operation of the educational demonstration system according to the tenth embodiment will be described with reference to the flowchart shown in FIG. In this case, when data is received from the educational program by the educational device 30, the sound that becomes the point played on the program is simultaneously transmitted to the educational device 30 under the control of the program receiving device 20.

The CPU 11 of the program transmitting apparatus 10 reads out the moving image information recorded for the program to be broadcast from the storage unit 18 to reproduce the program data (television information), and performs an experiment corresponding to the program. The auxiliary data (educational equipment data) including the educational equipment operation program and the like is read from the storage unit 18. Further, the CPU 11 combines the program data and the accompanying data to form digital distribution information (step S101).

Next, the CPU 11 outputs the digital distribution information to the transmission circuit 14. Digital distribution information is distributed from the transmission circuit 14 as a digital broadcast signal via the transmission antenna 101 (step S102).

[0182] The distributed digital broadcast signal is taken into the receiving circuit 24 via the receiving antenna 102 of the program receiving apparatus 20. The CPU 21 reads the digital distribution information from the receiving circuit 24, and separates the program data and the accompanying data (step S103). The program data is
In accordance with an instruction from the CPU 21, the moving image is displayed on the television display 25 as a moving image, and the accompanying sound is output.

[0183] The CPU 21 determines whether or not a flag indicating the start of transmission of educational device data exists for the ancillary data separated from the digital distribution information (step S104). If it is determined in step S104 that the start flag does not exist, the process returns to step S103.

Next, the CPU 21 communicates with the program receiving device 20 and the educational equipment 3 via the educational equipment interface 123.
0 is connected or not (step S10).
Five). If it is determined in step S105 that the educational device 30 is not connected, the process returns to step S103.

When the program receiving device 20 and the educational device 30 are connected, the CPU 21 and the RAM of the program receiving device 20 are connected.
27 and the like, the CPU 31 and the RAM 37 on the educational device 30 side.
For example, the educational device data in the digital distribution information is transmitted (step S106).

Next, during the period in which the educational device data is being received, that is, until the flag indicating the end of the transmission of the educational device data is detected, only the audio data in the moving image is transmitted to the CPU 31 of the educational device 30 or the CPU 31. It is transmitted to the RAM 37 or the like (step S107).

Next, CPU 21 determines whether or not the reception of the program has been completed (step S108).

If it is determined in step S108 that the reception of the program has been completed, the process is terminated. If it is determined that reception of the program has not been completed, the flow returns to step S108 to return to steps S103 to S108. The process is repeated.

On the educational device 30 side, the educational device operation program is executed by the viewer in parallel with the progress of the educational program or at an appropriate timing after the end of the program. When the educational device operation program is executed at an appropriate timing after the end of the program, the audio of the program can be heard in parallel.

FIG. 24 is a schematic view showing the operation state.
4A shows a state in which educational device data and audio information are transmitted along with the contents of an educational program, and FIG. 24B shows a state in which the educational device 30 reproduces a program audio along with a demonstration such as a simulation. Indicates the status.

When transmitting the educational device data related to the broadcast program, the program transmitting apparatus 10 sets a flag at the start position and the end position of the pointed sound according to the instruction of the program creator. Upon receiving the start flag, the educational device 30 enters a voice recording state, and simultaneously records voice while receiving experimental data and the like. [Eleventh Embodiment] Hereinafter, an educational demonstration system according to an eleventh embodiment will be described. As shown in FIG.
The educational demonstration system according to the eleventh embodiment has a terminal 50 for connecting a plurality of educational devices 30 to the program receiving device 20 and has a function of transferring classroom-side data to a television station in a participatory television program. are doing. FIG.
FIG. 25A shows a case where there is a response from the educational program to an inquiry to the viewer, and FIG. 25A shows a case where there is a response from the broadcast station to the viewer.

The operation of the educational demonstration system according to the eleventh embodiment will be described with reference to the flowchart shown in FIG. FIG. 26 (a) corresponds to FIG. 25, and shows processing when individual data is transmitted from the broadcast station to the viewer side.
FIG. 26B shows a process when transmitting statistically processed data to a broadcasting station.

First, in the case of FIG. 26A, while the educational program is being broadcast, a plurality of viewers operate the respective educational devices 30 in response to an inquiry from the program. The CPU 30 transmits response data indicating the response of the viewer to the CPU and the RAM of the terminal 50 (step S111).

The CPU of the terminal 50
The answer data transmitted from 0 are totaled and statistically processed (step S112).

Next, the CPU of the terminal 50 transmits the result of the statistical processing to the program transmitting apparatus 10 via the transmission control unit (step S113).

The program transmitting apparatus 10 analyzes and counts the response from the terminal 50, and returns the answer and the counting result to the terminal 50 via the transmission control unit 13 and the like. The terminal 50 receives the reply data from the program transmitting device 10 (Step S114).

Next, the CPU of the terminal 50 distributes and transmits the reply data from the program transmitting device 10 to the corresponding educational device 30 (step S115).

On the other hand, in the case of FIG. 26B, first, program data is transmitted by the program transmitting apparatus 10 (step S).
116).

During the broadcasting of the educational program, a plurality of viewers operate the respective educational devices 30 in response to questions from the program. The CPU 30 transmits response data indicating the response of the viewer to the CPU and the RAM of the terminal 50 (step S117).

[0200] The CPU of the terminal 50
The response data transmitted from 0 are totaled and statistically processed (step S118).

Next, the CPU of the terminal 50 transmits the result of the statistical processing to the program transmitting apparatus 10 via the transmission control unit (step S119).

In a participatory educational program in which a question is answered in a program as described above, responses of a plurality of participants must be transmitted to the broadcast station. However, the timing at which each student inputs a key varies, and if a device at the broadcasting station is provided with a function of accurately counting the responses of each participant, the cost will increase. Therefore, if the terminal 50 is provided with functions such as counting, statistical processing, and data distribution as in the present embodiment, the burden on the broadcasting station can be reduced. [Twelfth Embodiment] Hereinafter, an educational demonstration system according to a twelfth embodiment will be described. The educational demonstration system of the twelfth embodiment is obtained by changing the operation of the system of the first embodiment.

The operation of the educational demonstration system according to the twelfth embodiment will be described with reference to the flowchart shown in FIG. In this case, the recorded image and the current transmission / reception data are linked and broadcast. Educational programs usually transmit recorded images at different times. However, when an educational program is actually flowing in a class, it is necessary to perform two-way exchange during that time zone. In the present embodiment, assuming a plurality of responses from the viewer at the time of recording the program, only a response portion to the response is recorded as program data of a plurality of patterns in advance, and according to the response of the actual viewer, The user selects which of the plurality of recorded program patterns is to be broadcast, and transmits the program data of the selected program pattern.

[0204] CPU 11 of program transmitting apparatus 10 outputs digital distribution information to transmitting circuit 14. Digital distribution information is distributed as a digital broadcast signal from the transmission circuit 14 via the transmission antenna 101 (step S12).
1).

[0205] The distributed digital broadcast signal is taken into the program receiving device 20, and is displayed as a moving image on the television display 25 in accordance with an instruction from the CPU 21, and the accompanying audio is output.

A viewer's answer is requested in the program (step S122). The answer request here is "A"-"C"
Shall be one of The request for the answer is made as moving picture information included in the program data, but it is also possible to transmit accompanying data indicating the answer request in parallel.
When the accompanying data is transmitted, a display prompting the program receiving apparatus 20 to answer is displayed.

When the viewer operates the input unit 32 of the educational device 30 to reply, the CPU 31 transmits a reply signal to the program receiving device 20 (step S123). Program receiving device 2
0 transfers an answer signal to the program transmitting apparatus 10.

[0208] In the program transmitting apparatus 10, the CPU 11 totals answer signals as responses from the plurality of program receiving apparatuses 20 (step S124).

Next, the CPU 11 determines whether or not the answer "A" is the largest (step S125).

If the answer “A” is the largest, the CPU 11
Controls the storage unit 18 to switch the recorded image at an appropriate timing, and supplies the image corresponding to “A” to the transmission circuit 14 (step S126).

When the answer “A” is not the largest, the CPU 11
Determines whether the answer "B" is the largest (step S127).

If the answer “B” is the largest, the CPU 11
Controls the storage unit 18 to switch the recorded image at an appropriate timing, and supplies the image corresponding to "B" to the transmission circuit 14 (step S128).

When the answer “B” is not the largest, the CPU 11
Determines whether the answer "C" is the largest (step S129).

If the answer “C” is the largest, the CPU 11
Controls the storage unit 18 to switch the recorded image at an appropriate timing, and supplies the image corresponding to “C” to the transmission circuit 14 (step S130).

When the images corresponding to “A” to “C” have been transmitted, the CPU 11 controls the storage unit 18 to supply the remaining recorded images to the transmission circuit 14 (step S13).
1).

In the program transmitting device and the program receiving device 20,
It is determined whether or not there remains a scene in the program for which a viewer's answer is required (step S132). If there is a scene for which a viewer's answer is required, step S123
And the processing of steps S123 to S132 is repeated.

If there is no remaining scene in the program for which the viewer's response is required, the reception of the gap is terminated after the broadcast of the program is completed (step S133).

FIG. 28 is a schematic view of the operation state.
8 (a) shows the program progress when the answer "A" is selected, and FIG. 28 (b) shows the program progress when the answer "B" is selected.

[0219]

As is apparent from the above description, according to the first aspect of the present invention, not only can the image and sound of the program be reproduced and presented to the viewer, but also the program can be viewed in accordance with the progress of the program. The person can voluntarily utilize the device to perform a predetermined demonstration.

[0220] According to the second aspect of the present invention, the viewer can voluntarily use the device to perform a predetermined demonstration in accordance with the progress of the program including the moving image information, thereby enhancing the effect of learning the program contents. be able to.

According to the invention of claim 3, the program receiver can voluntarily utilize the device to perform a predetermined demonstration in accordance with the progress of the program including the audio information. Further, support information for a program receiver to visually understand can be provided at an appropriate timing, and effective acquisition of program contents can be achieved.

According to the fourth aspect of the present invention, the viewer can confirm the existence and type of the accompanying data provided for the predetermined demonstration, and switch the device at an appropriate timing in accordance with the progress of the program. Can work.

According to the invention of claim 5, the device can be operated if necessary after the end of the program. This makes it possible to repeat the learning of the program contents and the like.

According to the invention of claim 6, since information on the type of device corresponding to the predetermined demonstration is displayed, the viewer can determine whether or not the connected device is appropriate and what device to connect. Can be easily determined.

According to the seventh aspect of the present invention, the device can be operated by the control signal, and a predetermined demonstration can be started quickly and appropriately.

According to the eighth aspect of the present invention, since the audio information corresponding to the ancillary data is transmitted to the device, it is possible to obtain audio assistance when a predetermined demonstration is reproduced on the device. You can learn experiments and experiences.

According to the ninth aspect of the present invention, the distribution information including the program data and the additional data is received by the program receiving system, and the additional data is separated from the distribution information. Is taken into the device from the program receiving system, the viewer can voluntarily utilize the device to perform a predetermined demonstration as the program progresses.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an overall configuration of an educational demonstration system according to a first embodiment to which the present invention is applied.

FIG. 2 is a block diagram illustrating a configuration of a program transmission device included in the educational demonstration system in FIG. 1;

FIG. 3 is a block diagram showing a configuration of a program receiving device constituting the educational demonstration system of FIG. 1;

FIG. 4 is a block diagram showing a configuration of an educational device constituting the educational demonstration system of FIG. 1;

FIG. 5 is a flowchart illustrating an operation of the educational demonstration system according to the first embodiment.

FIGS. 6A to 6C are diagrams for specifically explaining an operation state of the educational demonstration system according to the first embodiment.

FIG. 7 is a flowchart illustrating an operation of the educational demonstration system according to the second embodiment.

FIGS. 8A and 8B are diagrams specifically illustrating an operation state of the educational demonstration system according to the second embodiment.

FIG. 9 is a flowchart illustrating an operation of the educational demonstration system according to the third embodiment.

FIGS. 10A and 10B are diagrams specifically illustrating an operation state of the educational demonstration system according to the third embodiment.

FIG. 11 is a flowchart illustrating an operation of the educational demonstration system according to the fourth embodiment.

FIGS. 12A to 12C are diagrams for specifically explaining an operation state of the educational demonstration system according to the fourth embodiment.

FIG. 13 is a flowchart illustrating an operation of the educational demonstration system according to the fifth embodiment.

FIGS. 14A to 14C are diagrams for specifically explaining an operation state of the educational demonstration system according to the fifth embodiment.

FIG. 15 is a flowchart illustrating an operation of the educational demonstration system according to the sixth embodiment.

FIGS. 16A to 16C are diagrams for specifically explaining the operation state of the educational demonstration system according to the sixth embodiment.

FIG. 17 is a flowchart illustrating an operation of the educational demonstration system according to the seventh embodiment.

FIGS. 18 (a) to (c) are diagrams for specifically explaining the operation state of the educational demonstration system according to the seventh embodiment.

FIG. 19 is a flowchart illustrating an operation of the educational demonstration system according to the eighth embodiment.

FIGS. 20 (a) to (c) are diagrams for specifically explaining the operation state of the educational demonstration system according to the eighth embodiment.

FIG. 21 is a flowchart illustrating the operation of the educational demonstration system according to the ninth embodiment.

FIG. 22 is a diagram specifically illustrating an operation state of the educational demonstration system according to the ninth embodiment.

FIG. 23 is a flowchart illustrating the operation of the educational demonstration system according to the tenth embodiment.

FIGS. 24A and 24B are diagrams specifically illustrating an operation state of the educational demonstration system according to the tenth embodiment.

FIGS. 25 (a) and (b) are diagrams specifically explaining the operation state of the educational demonstration system according to the eleventh embodiment.

FIGS. 26A and 26B are flowcharts illustrating the operation of the educational demonstration system according to the eleventh embodiment.

FIG. 27 is a flowchart illustrating an operation of the educational demonstration system according to the twelfth embodiment.

FIGS. 28 (a) and 28 (b) are diagrams specifically illustrating an operation state of the educational demonstration system according to the twelfth embodiment.

[Explanation of symbols]

 Reference Signs List 10 program transmission device 11 CPU 12 input unit 13 transmission control unit 14 transmission circuit 15 display unit 17 RAM 18 storage unit 19 storage medium 20 program reception device 21 CPU 22 input unit 23 transmission control unit 24 reception circuit 25 television display 25 display unit 27 RAM 26 moving image display circuit 28 storage unit 29 storage medium 30 educational equipment 31 CPU 32 input unit 33 interface for broadcast receiving device 34 interface between educational equipment 35 display unit 36 display drive circuit 37 RAM 38 storage unit 39 storage medium 40 communication line 50 terminal 101 transmitting antenna 102 receiving antenna

Claims (9)

[Claims] A receiving means for receiving program data and additional data related to the program data; a separating means for separating the additional data and the program data received by the receiving means; Interface means for transmitting the ancillary data obtained to an electrically connected device. 2. The program receiving system according to claim 1, wherein the program data is moving image information, and further comprising a television display for displaying the moving image information. 3. The apparatus according to claim 2, wherein said program data is audio information, and further comprising means for transmitting a control signal for controlling said device based on predetermined data included in said incidental data. 1. The program receiving system according to 1. 4. The apparatus according to claim 2, further comprising a display change unit that changes a part of a display image on the television display when the data received by the reception unit includes the ancillary data. Program reception system. 5. The storage device according to claim 1, further comprising a storage unit that stores the additional data separated by the separation unit when the data received by the reception unit includes the additional data. The program receiving system according to any one of claims 1 to 3. 6. When the data received by the receiving means includes the ancillary data, the apparatus further comprises means for displaying information on the type of the device corresponding to the ancillary data. The program receiving system according to any one of claims 1 to 3. 7. When the ancillary data is included in the data received by the receiving means, a control signal for simplifying the operation of the device is provided based on predetermined data included in the ancillary data. The program receiving system according to any one of claims 1 to 3, further comprising: means for transmitting the program. 8. An apparatus for transmitting, to said device, predetermined audio information in said moving image information corresponding to said additional data together with said additional data transmitted from said interface means to said device. 3. The program receiving system according to claim 2, wherein: 9. Distributing distribution information including program data to be broadcast in a program and accompanying data for executing a predetermined demonstration related to the program data, and receiving the distribution information by a program receiving system. And separating the ancillary data and the program data by performing the following steps: and capturing the separated ancillary data into the device from the program receiving system.