JP2565223B2 - Information transmission device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention will be described in the following order.

A Industrial Field B Outline of Invention C Conventional Technology D Problems to be Solved by the Invention E Means for Solving Problems (Fig. 1) F Action G Example G ₁ Explanation of sender G ₂ Explanation of Receiving Side H Effect of Invention A Field of Industrial Application The present invention relates to a plurality of images on an image display device, a sound generating device, etc. which are individually provided in a passenger seat of an aircraft, a train, a bus or the like or in the vicinity thereof. The present invention relates to an information transmission device suitable for use in transmitting signals, voice signals, etc. in parallel.

B Outline of the Invention The present invention is an object usage method for selecting a service supplied from the main devices (1) to (21) and each terminal device (30).
From the terminal device (3), there is the independent usage method according to the user's purpose of inputting data from the input device (43).
Data input from 0) is uploaded to the main devices (1) to (21), and each terminal device (30) shares the signal transmission means (21) and the output devices (44) to (46). By doing so, it can be realized integrally.

C PRIOR ART For example, U.S. Pat. No. 4,584,603 shows that a video display is individually provided in a passenger seat of a vehicle such as an aircraft. That is, a video display is individually provided in the passenger seat, and a plurality of video signals are transmitted to these video displays in parallel, and each video display selects and displays one of the signals.

D. Problems to be Solved by the Invention In this conventional apparatus, a plurality of video signals are transmitted to each video display by using independent transmission lines, which requires many transmission lines. Is. Therefore, there is a problem that the wiring is complicated and the device is complicated.

In view of this point, the present invention aims to simplify the device and improve the usability of the receiving side user.

E Means for Solving Problems The information transmission device of the present invention is provided with a plurality of video signal sources (1a).
~ (1h) and multiple audio signal sources (1a) ~ (1h),
(2), (3), (4a), (4b) and storage means (9a) to (9h) in which computer software showing processing operation for processing data to be processed is stored, and a video signal Video signal and audio signal source (1a) from sources (1a) to (1h)
~ (1h), (2), (3), (4a), (4b) voice signals and the computer software read from the storage means (9a) ~ (9h) are multiplexed and transmitted, Also, at least one of a transmission / reception device (13) for receiving data supplied via the signal transmission means (21), a printing device (45), a disk drive (44), or an external communication means (46). A plurality of video signal sources (1a) to (1h), and a plurality of audio signal sources (1a). ) ~ (1
h), (2), (3), (4a), (4b) reproduction operation and computer software reading operation from the storage means (9a) to (9h) and output devices (44) to (46). A controller (8) for controlling the operation, and main devices (1) to (2
1) and the main devices (1) to (2) via the signal transmission means (21).
The multiplexed signal from the transmitter / receiver (13) of 1) is supplied,
Separation device (32) for separating video signal, audio signal and computer software from the supplied multiplexed signal.
And a video display device (36a) that receives a video signal from the separation device (32) and displays the video signal, and a sound generation device that receives a sound signal from the separation device (32) and converts the sound signal into sound ( 35c), computer software is supplied from the input device (43) for inputting data to be processed, and the separation device (32), operates based on the computer software, and is input from the input device (43). A data generating device (37) for generating desired data from the data, and a transmitting means for transmitting the desired data generated by the data generating device (37) to the transmitting / receiving device (13) via the signal transmitting means (21). A plurality of terminal devices (30) each including (38) and (31) are provided, and the control device (8) is connected to the main device (30) from the terminal device (30) via the signal transmission means (21). 1) ~ (2
The output device (4) to (46) output the desired data selectively uploaded to the output device (44) to (46).
4) to (46) are controlled.

F action In the above configuration, since a plurality of video signals and audio signals are multiplexed by the transmitting device and supplied to the receiving side terminal device (30) through the signal transmitting means (21), the terminal device (30) By selectively extracting desired video signals and audio signals by the selection devices (33) to (36), desired video and audio can be viewed. Further, in the above-mentioned configuration, data such as a sentence created by using the keyboard (43) of the terminal device (30) on the receiving side is supplied to the computer (8) on the transmitting side via the signal transmitting means (21). Therefore, the printer (45) or the like connected to the computer (8) can perform processing.

G Example One example of the present invention will be described below with reference to FIG. This example is applied to transmission of video signals, audio signals, and the like in an aircraft.

G ₁ Description of Transmission Side In FIG. 1, (1a) to (1d) are video tape recorders provided on the transmission side such as in the passenger compartment. The video tape recorder (1a) is for overriding, and is loaded with a cassette tape that records how to wear a life jacket and the like. Also, video tape recorder (1b) ~
(1d) is loaded with a cassette tape on which a movie is recorded. Each of these video tape recorders (1a) to (1d) is provided with a terminal V for outputting a reproduced video signal and terminals L, R, A for outputting a reproduced audio signal. These video tape recorders (1a) to (1d) correspond to two languages, terminals L and R are output terminals of a left audio signal and a right audio signal in the language of the first country, respectively, and terminal A is Second
It is an output terminal for a monaural audio signal in a national language.

Reference numeral (2) denotes a television tuner. The television tuner (2) is provided with a terminal V for outputting a video signal and terminals L and R for outputting an audio signal. Terminal L
And R are output terminals for a left audio signal and a right audio signal, respectively.

Further, (3) is a still picture reproducing device, which is a compact disc on which maps, airfield guide maps, etc. are recorded, so-called CD.
It is designed to play ROM. The still picture reproducing device (3) is provided with a terminal V for outputting a still picture video signal and a terminal A for outputting an audio signal.

(4a) and (4b) are audio reproducers each equipped with three compact disk players (CD players) and tape recorders. These audio reproducers (4a) and (4b) have audio Six pairs of terminals L and R for outputting signals are provided. Terminals L and R are output terminals for a left audio signal and a right audio signal, respectively.

Also, (5) is a control device, (5a) is a microphone, (5b) is a volume for adjusting the level of an audio signal from the microphone (5a), (5c) is an announcement key, (5d) is an override key, (5e) to (5g) are pause keys for putting the video tape recorders (1b) to (1d) in a pause state, respectively. Video signal and terminal obtained at terminal V of video tape recorder (1a) and (1b)
The audio signals obtained for L, R and A are supplied to the control device (5). The control device (5) is provided with an output terminal V for video signals and output terminals L, R, A for audio signals, and these output terminals V, L, R, A are usually video tape recorders (1b). The video signal obtained at terminal V and the audio signal obtained at terminals L, R, A are output, but when the override key (5d) is pressed to turn on the override, it is obtained at the terminal V of the video tape recorder (1a). And the audio signals obtained at the terminals L, R and A are output. When the announcement key (5c) is pressed to turn on the announcement, an audio signal from the microphone (5a) is output to the output terminal A.

Further, (6) and (7) are CADA encoders used in conventionally known cable digital audio / data transmission systems (CADA systems). A CADA system is, for example, a time-division multiplex of multiple digital audios, and a 1-channel band (6M
Hz), and is a system that can transmit music and the like extremely efficiently without deteriorating sound quality. CADA
The encoders (6) and (7) are provided with an A / D converter and a shift register, convert a plurality of audio signals into digital signals by the A / D converter, and respectively provide a parallel signal at a predetermined position of the shift register. , And time-division multiplexing is performed by serially outputting at high speed from the shift register. Note that not only digital audio but also control data and data for computer software can be multiplexed together.

The audio signals obtained at the output terminals L, R, A of the control device (5) are supplied to the encoder (6). Output terminals of video tape recorders (1c) and (1d)
The audio signals obtained in L, R and A are supplied to the encoder (6). Further, the audio signals obtained at the output terminals L and R of the tuner (2) and the output terminal A of the still picture reproducing device (3) are supplied to the encoder (6). Also, audio player (4a)
The audio signals obtained at the six pairs of output terminals L, R, A of the sound reproduction device and the three pairs of output terminals L, R of the sound reproducer (4b) are transmitted to the encoders (6) and (7) via the control device (5). Supplied.

Also, the override key (5d), announce key (5c), pause key (5e),
When (5g) is pressed, the control device (5) uses the control data of the content corresponding to the pressed key.
SC ₁ is generated, and this control data SC ₁ is supplied to the encoder (6).

The encoder (6), provided with an output terminal A-E the pause control signal in response to the control data SC ₁ is output, the pause control signal obtained at these output terminals A-E, respectively the video tape recorder ( 1b)-(1d),
The audio reproducers (4a) and (4b) are controlled. That is, when the override key (5d) and the announcement key (5c) are pressed, pause control signals are output to the output terminals A to E, and the video tape recorders (1b) to (1d), the audio reproducers (4a) and (4b) ) Are all paused. When the pause keys (5e) to (5g) are pressed, pause control signals are output to the output terminals A to C, respectively, and the video tape recorders (1b) to (1d) are set to the pause state, respectively.

Further, (8) is a master controller consisting of a computer to perform the flight management, the control data SC ₂ for controlling the receiving terminal apparatus is generated from the master controller (8), the control data SC ₂
Is supplied to the encoder (6). The control data SC ₂ is, for example, data for controlling the brightness of the display device of the terminal device, data for requesting data indicating the state of the terminal device, and the like.

Also, (9a) is the ROM where the menu data is written,
(9b) to (9h) are ROMs in which different game data are written. The data SD for computer software read from the ROMs (9a) to (9h) is supplied to a signal processing circuit (10), and after being added with an error correction code and the like, is supplied to an encoder (7).

Further, the control data SC ₁ and SC ₂ is also supplied to the encoder (7) from the encoder (6).

At the output terminal O of the encoder (6), the digitally converted one of the supplied audio signals and the time-division multiplexed signal S _{CA1 of the} control data SC ₁ and SC ₂ are obtained. _CA1 is supplied to the modulator (11f) and VSB
AM modulation is performed by the (residual sideband) method. Further, the output terminal O of the encoder (7), which was digitally converted the supplied plurality of audio signals, control data SC _1, SC ₂
And computer-division-multiplexed signal S _CA2 when software data SD is obtained, the signal S _CA2 is modulator (11
g) and is AM-modulated by VSB method.

The video signal obtained at the output terminal V of the control device (5) is supplied to the modulator (11a), and the audio signal obtained at the output terminal A of the control device (5) is supplied to the modulator (11a). Is done. In the modulator (11a), the audio signal is FM-modulated, frequency-multiplexed with the video signal and made to be similar to a normal television signal, and then A
M modulated.

The video signals obtained at the output terminals V of the video tape recorders (1c), (1d), the tuner (2) and the still picture reproducing device (3) are supplied to the modulators (11b) to (11e), respectively. AM modulated by VSB method.

Here, the modulators (11a) to (11g) are, for example, 60 channels or more of television broadcasting channels, and are sequentially modulated in frequency bands of every two channels to prevent intermodulation.

The output signals of the modulators (11a) to (11g) are supplied to the adder (12) and frequency-multiplexed. Then, the signal S _MF is a duplexer is frequency multiplexed from the adder (12) (13)
And supplied to one end of a leaky cable (leakage cable) (21) constituting the bidirectional signal transmission means. A terminating resistor (22) is connected to the other end of the leaky cable (21) and terminated. This leaky cable (21) has a large amount of signal leakage, for example, by spirally cutting the periphery of a coaxial cable.

G ₂ recipient description Further, (30) is a terminal device provided separately aircraft passenger seat show only one in FIG. In this terminal device (30), (31) is a leaky cable (2
1) An antenna for capturing the more leaked frequency-multiplexed signal S _MF . The frequency-multiplexed signal S _MF captured by this antenna (31) is passed through the demultiplexer (32) to the TV tuner (3
3) and CADA tuner (34). Tuner (3
3) is configured so that channels in the output frequency band of the modulators (11a) to (11e) can be selectively received, and the tuner (34) is provided for channels in the output frequency band of the modulators (11f) and (11g). Channel selection in the tuners (33) and (34) is controlled by a selection display device (35).

The video signal and the audio signal output from the tuner (33) are supplied to the selection display device (35), and the time division multiplexed signal _SCA1 or _SCA1 output from the tuner (34) is output.
S _CA2 is supplied to a CADA decoder (36). The CADA decoder (36) is configured to operate in a manner almost opposite to that of the CADA encoders (6) and (7) described above, and the control data SC ₁ and SC ₂ from the time division multiplexed signal S _CA1 or S _CA2 and selective display. A desired audio signal and computer software data are taken out under the control of the device (35). That is, the CADA decoder (36) is configured by including a shift register and a D / A converter, the time division multiplexed signal S _CA1 or S _CA2 is serially input to the shift register, and control data is input from a predetermined position of this shift register. SC ₁ and SC ₂ are taken out in parallel, and desired audio signals and computer software data SD are taken out in parallel from a predetermined position of the shift register under the control of the selection display device (35). In this case, the audio signal is converted to an analog signal via the D / A converter. Two D / A converters are used for stereo, so only two are required. This CADA Decoder (36)
The audio signal taken out at is supplied to the selection display device (35). The computer software data SD extracted by the CADA decoder (36) is supplied to a personal computer (37) and written into RAM.

FIG. 2 shows an example of the configuration of the panel surface of the selection display device (35). This panel surface is arranged on the back of the passenger seat as shown in FIG. In FIG.
(35a) is a display device composed of a flat cathode ray tube, a liquid crystal display device, etc., (35b) is a sound output terminal to which headphones (35c) are connected, (35d) is a joystick (35e) for games, etc. Is a game terminal to be connected.

Further, (35f) is a TV selection key, (35g) is a music selection key, (35h) is a channel indicator, (35i) is a channel down key, and (35j) is a channel up key. In this case, press the TV selection key (35f), channel down key (35i), channel up key (35j)
By sequentially pressing, the television channel is sequentially changed. That is, the receiving channel of the television tuner (33) and the audio signal output from the CADA decoder (36) are changed, and the video tape recorder (1) is displayed on the display device (35a).
b) ~ (1d), tuner (2), still picture reproducing machine (3)
The screens of the video signals to be output are sequentially displayed, and the corresponding audio signals are output to the audio output terminal (35b). Here, if the audio signal is in two languages, 1
Two channels are allocated to the screen of one video signal, and the audio signal in the language of the first country is output from the first channel and the audio signal in the language of the second country is output from the second channel. Press the music selection key (35g) and press the channel down key (35i) or channel up key (3
By sequentially pressing 5j), the music channels are sequentially changed. That is, the audio signal output from the CADA decoder (36) is changed, and the audio signals output from the audio reproducers (4a) and (4b) are sequentially output to the audio signal output terminal (35b).

(35k) is a menu display key, (35l) is a cursor down key, (35m) is a cursor up key, (35n)
Is the enter key. In this case, by pressing the menu display key (35k), the personal computer (3
7) The video signal based on the data from the menu ROM (9a) is supplied to the selection display device (35) from the display device (35a).
The menu screen is displayed on. Then select the game by moving the cursor on the display screen with the cursor down key (35l) and cursor up key (35m), and then press the enter key (35n) to select the game ROM selected from the personal computer (37). Video signals and audio signals based on the data from (9b) to (9h) are supplied to the selection display device (35), the game screen is displayed on the display device (35a), and the audio output terminal (35b) is displayed. A game audio signal is output.

In FIG. 2, (35p) is a stewardess call key, (35q) is a reading light key, and (35r) is a volume adjustment volume.

Further, based on the control data SC ₁ and SC ₂ extracted by the CADA decoder (36), the CPU in the CADA decoder (36)
(Not shown) controls the selection display device (35) and the like. For example, on the basis of the control data SC _1, override key in the control device of the transmitting side (5) (5
When d) is pressed to turn on the override,
The tuner (33) is set to the receiving state of the channel in the output frequency band of the modulator (11a), and is output to the output terminal V of the video tape recorder (1a) on the display device (35a) of the selection display device (35). An image of the video signal is displayed, and an audio signal output to the output terminal A of the video tape recorder (1a) is obtained at the audio output terminal (35b). Further, on the basis of the control data SC _1, when the announcement key (5c) is an announcement on pressed control the transmitting device (5) includes a tuner (33) of the output frequency band of the modulator (11a) The channel is in the receiving state, and the microphone (5a) is connected to the audio output terminal (35b).
The audio signal from is obtained. in this case,
The video signal is muted so that the screen is not displayed on the display device. In these cases, the volume is set to be constant, for example.

Further, when the CADA encoder (6) or (7) does not function, the control data SC ₁ is obtained in the same manner as when the override is turned on, and at this time, the same reception state as when the override is turned on is forced. It

If such control is performed during the game, the execution of the personal computer (37) is temporarily stopped.

In addition, override key (5d), announcement key (5
When c) is pressed again to turn off the override and announce off, the above control is released and the original state is automatically restored. In this case, the execution of the personal computer (37) is also resumed, and the game can be continued. When the reception state is forcibly controlled in this way, the channel indicator (35h) indicates that the reception state is different from the normal state. In this case, a dedicated display may be provided.

Further, the brightness of the display device (35a) is controlled on the basis of the control data SC _2, and the brightness is automatically set according to the brightness of the room. Further, when the control data SC ₂ is a request for data, CADA decoder (3
Data indicating the status of the selection display device (35) from the CPU of 6),
Data indicating the state of the seat belt, reclining, etc. detected by the sensor (39) is generated. This data is supplied to the transmitter (38) and the modulators (11a) to (11)
After being modulated to a frequency other than the output frequency band of g), it is supplied to the leaky cable (21) via the duplexer (32) and the antenna (31). Then, this data is supplied from the leaky cable (21) to the transmitting-side CADA encoder (6) via the duplexer (13), and the CADA encoder (6)
The data is supplied to and used by the master controller (8).

When the stewardess call key (35p) of the selection display device (35) is pressed, control data is generated from the CPU of the CADA decoder (36). This data is supplied to a transmitter (38), modulated, and then supplied to a leaky cable (21) via a splitter (32) and an antenna (31). This data is sent from the leaky cable (21) via the duplexer (13) to the CADA encoder (6) on the transmission side.
Is supplied to. The switch box (40) is controlled by a CPU (not shown) in the CADA encoder (6) based on this data, and the corresponding steward desk lamp (41) emits light. When the reading light key (35q) of the selection display device (35) is pressed, control data is generated from the CPU of the CADA decoder (36). This data is supplied to a transmitter (38), modulated, and then supplied to a leaky cable (21) via a splitter (32) and an antenna (31). Then, this data is supplied from the leaky cable (21) to the CADA encoder (6) on the transmission side via the duplexer (13). Based on this data, the switch box (40) is controlled by the CPU in the CADA encoder (6), and the corresponding reading light (4
2) is made to emit light.

As shown by the broken line, when the keyboard (43) is connected to the game terminal (35d), the CADA decoder (36)
Control data is generated by the CPU. This data is supplied to the transmitter (38), modulated, and then split by the splitter (3).
2) and a leaky cable (2
Supplied to 1). The data is supplied from the leaky cable (21) to the CADA encoder (6) via the duplexer (13), and is supplied from the CADA encoder (6) to the master controller (8). When this data is supplied, the software data of the word processor is sent from the master controller (8) to the CADA encoder (6),
It is supplied to (7), is supplied to the terminal device (30) side via the leaky cable (21) as a frequency-multiplexed signal, and is taken into the personal computer (37). In this state, when the user operates the keyboard (43), sentences and the like are recorded in the memory (RAM) of the personal computer (37). In this case, the created text and the like are displayed on the display device (35a), and the user can correct the text and the like while looking at the display screen. And the keyboard (43)
When the termination operation is performed, the data (ASCII code) such as sentences is supplied from the memory of the personal computer (37) to the transmitter (38) via the CADA decoder (36), modulated, and then separated. (32) and antenna (31)
To the leaky cable (21). This data is supplied from the leaky cable (21) to the CADA encoder (6) via the duplexer (13).
Master controller (8) from CADA encoder (6)
Is supplied to. Then, the data such as the text is supplied to the disk drive (44) and is recorded on, for example, a floppy disk, or the data such as the text is supplied to the printer (45) and the text or the like is printed out or the data such as the text or the like. Is transmitted to the outside via the communication device (46). Which of these is selected is performed, for example, by the user's operation of the keyboard (43), and the selected data is the master controller (8) together with the data such as sentences.
Is supplied to. The soft data of the word processor may be written in the ROM of the personal computer (37) in advance and used. The floppy disk thus recorded or the printed out print paper is received, for example, when the user gets off the airplane.

This example is configured as described above, and video signals output from the video tape recorders (1a) to (1d), the tuner (2), and the still picture reproducing device (3), and the video tape recorders (1a) to (1d). ), Tuner (2), still picture reproducer (3), audio reproducers (4a), (4b), time-division multiplexed CADA encoder (6), such as audio signals output from
The output signals S _CA1 and S _{CA2 of} (7) are the modulators (11a) to
The signal is modulated by (11g) and added to obtain a frequency multiplexed signal _SMF . Then, the frequency multiplexed signal S _MF is transmitted is supplied to the receiving side in the leaky cable (21). And
In the receiving-side terminal apparatus (30), a plurality of video signals are transmitted as frequency multiplexed signal S _MF, may select the desired one by controlling the selection display device from the audio signal or the like (35).

In addition, the data indicating that the reading light key (35q) and the stewardess call key (35p) from the terminal device (30) are pressed, the data indicating the selection state of the selection display device (35), etc. are transmitted by the transmitter (38). It is supplied to the leaky cable (21) through the modulated post-demultiplexer (32) and the antenna (31).
Then, this data is supplied from the leaky cable (21) to the CADA encoder (6) via the duplexer (13).
Then, this data is supplied to the CPU in the CADA encoder (6) and the reading light (42) and the stewardess call light (4
The light emission of 1) is controlled, or this data is supplied to the master controller (8) and statistics of audience ratings are obtained.

Data such as sentences created using the keyboard (43) of the terminal device (30) on the receiving side is transmitted from the personal computer (37) via the CADA decoder (36) to the transmitter (3
It is supplied to the leaky cable (21) via the post-demultiplexer (32) and the antenna (31) modulated by 8). And
This data is sent from the leaky cable (21) to the duplexer (13).
It is supplied to the CADA encoder (6) via. And
The CADA encoder (6) supplies the master controller (8) with the printer (45) connected to the master controller (8) for processing.

Thus, according to this example, a plurality of video signals, audio signals, etc. are frequency-multiplexed on the transmission side, and the leaky cable (2
1) is supplied to the terminal device (30) on the receiving side, and data from the CADA decoder (36) of the terminal device (30) on the receiving side is supplied to the transmitting side via the leaky cable (21). With such a configuration, the apparatus can be simplified. Further, according to this example, data such as a sentence created by the terminal device (30) on the receiving side is supplied from the personal computer (37) to the master controller (8) on the transmitting side via the leaky cable (21). Since it is configured to print out with the printer (45) etc., it is not necessary to separately arrange the printer (45) etc. with each terminal device (30), so it is possible to save space and save space. The simplification can be achieved and the usability of the receiving side user can be improved. Further, according to this example, since the audio signal is transmitted as a digital signal by the CADA encoders (6) and (7), it is possible to listen to music with good sound quality at each terminal device (30) on the receiving side. .

In the above-described embodiment, the present invention is applied to an information transmission device in an aircraft. However, the present invention can be similarly applied to an information transmission device in a vehicle such as a train or a bus, or in a theater or a stadium. In the above embodiment, the terminal device (30) is provided on the back side of the seat. However, the terminal device (30) may be arranged near the seat, for example, on an armrest, a table attached to the seat, or the like.

H According to the present invention, each terminal device (30) outputs a desired signal from a plurality of video signals, a plurality of audio signals and computer software supplied from the main devices (1) to (21). Apart from playing and operating, each terminal device (30)
Is provided with an input device (43) capable of independently inputting data using computer software (for example, a function of a word processor) according to its purpose, and the input data is input from the main device (1) to The signal supplied from (21) is transmitted to the main devices (1) to (21) by sharing the signal transmission means (21) of one system, and is uploaded to the main devices (1) to (21). Since it is output to the output devices (44) to (46) shared by certain terminal devices (30), the main device (1)
〜 (21) Object-based usage to select the service provided, and independent usage according to the user's purpose of inputting data from each terminal device (30) with the input device (43) Uploads the data input from each terminal device (30) to the main device (1) to (21) side, and the signal transmission means (21) and output devices (44) to (46) each terminal device. By sharing (30), it can be realized integrally, which simplifies the wiring and simplifies the device, saves space, and improves the usability for the receiving side user. Can be achieved. Therefore, there is an effect that it is suitable for being applied to an information transmission device in a vehicle such as an aircraft, a train, a bus, or in a theater or a stadium.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention, and FIGS. 2 and 3 are diagrams for explaining the embodiment. (1a) to (1d) are video tape recorders, (2) is a TV tuner, (3) is a still picture reproducing device, (4a) and (4).
b) is an audio player, (5) is a control device, and (6)
And (7) is a CADA encoder, (8) is a master controller, (9a) to (9h) are ROMs, (11a) to (11g) are modulators, (12) is an adder, (13) and (32). Is a duplexer,
(21) is leaky cable, (30) is terminal device, (31)
Is an antenna, (33) is a TV tuner, (34) is a CADA tuner, (35) is a selection display device, (35p) is a stewardess call key, (35q) is a reading light key, and (36) is CADA
A decoder, (37) is a personal computer, and (38) is a transmitter.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Kenichi Kikuchi, 6-7-35, Kita-Shinagawa, Shinagawa-ku, Tokyo, Sony Corporation (56) Reference JP-A-58-219884 (JP, A)

Claims (1)

(57) [Claims] 1. A plurality of video signal sources, a plurality of audio signal sources, storage means in which computer software indicating processing operation for processing data to be processed is stored, and video from the video signal sources. A transmission / reception device that multiplexes and transmits a signal, an audio signal from the audio signal source, and the computer software read from the storage means, and receives the data supplied via the signal transmission means; An output device which has at least one of a printing device, a disk drive, or an external communication means, and which outputs the data received by the transmission / reception device, the plurality of video signal sources, and the plurality of audio signals. A control device for controlling the reproduction operation of the source, the reading operation of the computer software from the storage means, and the operation of the output device. A device and a multiplexed signal from the transmitter / receiver of the main device via the signal transmission means, and separates the video signal, the audio signal, and the computer software from the supplied multiplexed signal. A separation device, a video display device which is supplied with the video signal from the separation device and displays the video signal, and a sound generation device which is supplied with the audio signal from the separation device and converts the audio signal into sound. An input device for inputting the data to be processed, and the computer software supplied from the separation device, which operates based on the computer software,
A data generation device for generating desired data from the data input from the input device, and a transmission means for transmitting the desired data generated by the data generation device to the transmission / reception device via the signal transmission means. And a plurality of terminal devices each of which is provided with, and the control device is configured such that the desired data selectively uploaded from the terminal device to the main device via the signal transmission means is output to the output device. An information transmission device, characterized in that the above-mentioned output device is controlled so as to be output as an output.