JP3478518B2 - CATV system, CATV distribution device, processing terminal device, and receiving device - Google Patents

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD OF THE INVENTION

[0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a CATV system, a so-called cable TV system, and more particularly to a CATV system in consideration of two-way communication in the CATV system, a CATV distribution device, a processing terminal device and an image receiving device used therein.

[0003]

2. Description of the Related Art CATV is a community antenna TV (te
levision), cable and communication TV, or cable
Abbreviation of TV and is generally called as cable television (cable television). The CATV system is C
A CATV distribution device installed in an ATV center is connected to a TV (television) receiver of a subscriber by a broadband transmission cable such as a coaxial cable or an optical fiber cable which is a broadband transmission line, and the CATV distribution device connects the subscriber to the subscriber. It is a system that provides a program to the TV receiver of.

In such a CATV system,
For example, VHF (very high frequency) and UHF (u
TV (television) broadcasting by terrestrial waves such as ltrahigh frequency), satellite broadcasting transmitted via broadcasting satellites, and images of a large number of program channels whose sources are communication satellite broadcasting transmitted via communication satellites. Information is provided to the subscriber from the CATV distribution device via the broadband transmission cable.

[0005]

The conventional CATV system is mainly constructed as a system for unilaterally transmitting video information from the CATV distribution device side to the subscriber side, and from the subscriber side to the CATV distribution device side. The information communicated to is limited to a small number of information, such as program channel selection. Therefore, the CATV system effectively expands the number of terrestrial TV program channels and V
It cannot be left as an alternative device to a video recording device such as a CR (videocassette recorder).

As described above, in the CATV system, the services provided are limited, which is one of the factors that hinder the spread of the CATV system. The present invention has been made in view of such circumstances, and a first object thereof is to enhance a two-way communication function between a CATV center side and a subscriber side, and not only to distribute broadcast information but also to A CATV that enables communication of additional information other than the above, and allows a subscriber's device connected to the CATV distribution device to be controlled by another device connected to the CATV distribution device.
To provide a system.

A second object of the present invention is to connect not only the broadcast information but also the additional information other than the broadcast information via the transmission cable for broadcast distribution so as to be connected to the CATV distribution apparatus. Another object of the present invention is to provide a CATV system that enables a linking operation between a receiving device of a subscriber and other devices.

A third object of the present invention is to make it possible to communicate additional information other than broadcast information with a device on the subscriber side and to provide a wide range of services by using the additional information. Another object is to provide a CATV distribution device.

A fourth object of the present invention is to enable additional information other than broadcast information to be communicated with a CATV distribution device and to receive a wide range of services using the additional information. To provide a terminal device.

A fifth object of the present invention is to enable reception of additional information other than broadcast information with a CATV distribution device and reception of a wide range of services using the additional information. To provide a device.

[0011]

A broadcasting system according to a first aspect of the present invention is provided on a center side, and carries out a distribution processing of broadcasting information and a transmission / reception processing of additional information other than the broadcasting information, At least one receiving device which is provided on the subscriber side and performs at least one of a receiving process of the broadcast information transmitted from the distribution device and a response process to the additional information transmitted from the distribution device, and the subscriber side And a processing terminal device for transmitting and receiving the additional information to and from the distribution device, and for performing a response process to the received additional information .

[0012] A broadcasting system according to a second aspect of the present invention is provided on a center side connected to a subscriber side via transmission channels of a plurality of channels including a broadcasting channel and an additional information channel, and uses the broadcasting channel. A distribution device that performs a distribution process of broadcast information and a transmission / reception process of additional information other than the broadcast information using the additional information channel, and the broadcast that is provided on the subscriber side and transmitted from the distribution device through the broadcast channel. At least one receiving device that performs at least one of an information receiving process and a response process to the additional information transmitted from the distribution device through the additional information channel; and a subscriber side provided through the additional information channel. A transmission / reception process of the additional information with the distribution device, and a response to the received additional information. It is characterized by comprising a processing terminal which performs management.

The processing terminal device includes an operation request unit for inputting operation request information requesting an operation of the receiving device, and the operation request information input from the operation request unit as the additional information. And a first communication unit for transmitting the additional information, the distribution device transmitting and receiving the additional information, and an operation command generation unit that generates operation command information for instructing an operation of the receiving device based on the operation request information. In addition, when the received additional information is the operation request information, the operation request information is given to the operation command generating unit, and the operation command information generated by the operation command generating unit is used as the additional information. A second communication unit for transmitting to the receiving device, and the receiving device includes a third communication unit for receiving the additional information and the additional information received by the third communication unit. When an operation instruction information may include a device operation section that performs operation corresponding to the operation instruction information.

The operation request unit includes a function for inputting operation request information for requesting an operation of the processing terminal device itself, and the operation command generation unit includes a function of the processing terminal device based on the operation request information. The second communication unit includes a function for generating operation command information for commanding an operation, and the second communication unit commands the operation of the processing terminal device by the operation command information generated by the operation command generation unit. In this case, it may include a function of transmitting the operation command information as the additional information to the processing terminal device .

The processing terminal device has an inquiry request unit for inputting inquiry request information for requesting an inquiry about the state of the receiving device, and the first communication unit is input from the inquiry request unit. And a function for transmitting the inquiry request information to the distribution device as the additional information, wherein the distribution device, when the additional information received by the second communication unit is the inquiry request information, The second communication unit includes a status request generation unit that generates status request information that requests notification of the status of the receiving device based on the inquiry request information, and the second communication unit includes the status generated by the status request unit. A function for transmitting request information to the receiving device as the additional information, wherein the receiving device is requested when the additional information received by the third communication unit is the state request information. Show status A state information generation unit for generating state information, and the third communication unit has a function for transmitting the state information generated by the state generation unit as the additional information to the distribution device. The distribution device further includes, based on the status information, status notification information for notifying a status of the reception device when the additional information received by the second communication unit is the status information. The second communication unit has a state notification generation unit for generating, and
It may include a function of transmitting the status notification information generated by the status notification generation unit to the processing terminal device .

The receiving device is a TV receiver, and the processing terminal device is the TV receiver as the operation request information.
At least one of control of power supply of the receiver, change of video channel, change of audio channel, increase / decrease of reproduction volume, and setting of time may be requested .

The receiving device is a recording device that records or reproduces video information on a recording medium, and the processing terminal device controls the power supply of the recording device, changes the received video channel, and multiplexes as the operation request information. Change of audio channel of voice, increase / decrease of reproduction volume, setting of time, setting of reservation operation, setting of the recording medium, ejection of the recording medium, reproduction of the recording medium, stop of reproduction of the recording medium, the recording medium Fast forward, fast rewind of the recording medium, start recording on the recording medium, stop recording on the recording medium, pause reproduction of the recording medium, release pause of reproduction of the storage medium, the recording At least one of suspension of recording on a medium and cancellation of suspension of recording on the storage medium may be requested .

The recording device may be a video cassette recorder, and the storage medium may be a video cassette . The recording device may be a video disc recorder, and the storage medium may be a video disc .

The receiving device is a reproducing device for reproducing video information recorded on a recording medium, and the processing terminal device uses the operation request information as control of the power source of the reproducing device and the audio channel of the multiple voice. Change, increase / decrease of reproduction volume, setting of time, setting of reservation operation, setting of the recording medium, ejection of the recording medium, reproduction of the recording medium, stop of reproduction of the recording medium, fast-forward of the recording medium, recording At least one of rewinding the medium, temporarily stopping the reproduction of the recording medium, and canceling the temporary stop of the reproduction of the storage medium may be requested .

The playback device may be a video cassette playback device for playing back a video cassette, and the storage medium may be a video cassette . The playback device may be a video disc player, and the storage medium may be a video disc .

The receiving device comprises a telephone and a telephone control device for receiving and processing the additional information from the distribution device and controlling the telephone. The processing terminal device, as the operation request information, Dial setting of the above-mentioned telephone, setting of answering machine function, cancellation of answering machine function,
And / or playing an answering machine message may be requested .

The receiving device includes a facsimile and a facsimile control device for receiving and processing the additional information from the distribution device and controlling the facsimile. The processing terminal device, as the operation request information, Of the control of the power supply of the facsimile, the transmission of the data generated by the processing terminal device to the facsimile, and the transmission of the data generated by the processing terminal device to another facsimile via the facsimile. At least one may be required .

The processing terminal device is a computer capable of receiving and processing the additional information from the distribution device and controlling itself, and the computer requests control of the power supply of the computer as the operation request information. You may do it .

The distribution device has a line communication unit for transmitting and receiving the additional information to and from the processing terminal device via a communication line other than a transmission line for distribution, and the line communication unit is used to transmit the additional information. You may make it operate | move based on the said additional information transmitted / received with the said processing terminal device .

The line communication unit includes a function of transmitting / receiving the additional information to / from an external device other than a subscriber via the communication line, and the distribution device is connected via the line communication unit. You may make it operate | move based on the said additional information transmitted / received with the said external device .

The distribution device has a line communication unit for transmitting / receiving the additional information to / from the processing terminal device via a communication line other than a transmission line for distribution, and is received by the line communication unit. When the additional information is the inquiry request information, the state request information is transmitted to the processing terminal device,
The state information generation unit creates the state information for causing the processing terminal device to generate at least one of a voice and a character, and the line communication unit further stores the state information created by the state information generation unit. It may be transmitted to the processing terminal device .

The line communication unit includes a function of transmitting / receiving the additional information to / from an external device other than a subscriber via a communication line other than a transmission line for distribution, and the distribution device is configured to communicate with the line communication. When the additional information received by the unit is the inquiry request information, the state information generation unit includes a function of transmitting the state request information to the external device, and the state information generation unit includes at least one of voice and characters by the external device. The line communication unit may further include a function of transmitting the state information generated by the state information generation unit to the external device .

The receiving device includes a TV receiver, a telephone, and a telephone control device that transmits and receives the additional information to and from the distribution device and controls the telephone. The telephone control device includes the telephone. When the incoming call is received, the incoming call information indicating the incoming call is transmitted to the distribution device as the additional information, and the distribution device receives the additional information received by the second communication unit. To the receiving device via the second communication unit, the incoming call notification information for notifying the incoming call of the telephone set as the additional information, and the receiving device receives the additional information. When the information is call notification information, it may include a function for displaying on the screen of the receiving device that an incoming call has been received .

A distribution apparatus according to the third aspect of the present invention includes a transmission section for transmitting at least one of broadcast information and additional information other than the broadcast information to at least one receiving apparatus provided on the subscriber side. A communication unit for transmitting / receiving the additional information to / from the processing terminal device provided on the subscriber side,
When the additional information received by the communication unit is operation request information requesting an operation of the receiving device, operation command information for instructing an operation of the receiving device is generated based on the operation request information. However, it is characterized by further comprising an operation command generation unit which supplies the communication unit with additional information to the receiving device .

The processing terminal apparatus according to the fourth aspect of the present invention requests an operation on at least one of a receiving apparatus and other apparatus which are provided on the subscriber side and which receive broadcast information and additional information other than the broadcast information. An operation request input section for inputting operation request information, a communication section for transmitting the operation request information input from the operation request input section to the distribution apparatus provided on the center side as the additional information, and the distribution apparatus And a response processing unit that receives the additional information from the above and performs a response process to the additional information .

The receiving apparatus according to the fifth aspect of the present invention is a communication section for receiving broadcast information and additional information other than the broadcast information from a distribution apparatus provided on the center side, and the additional section received by the communication section. When the information is the operation command information for instructing the operation of the device, the operation unit operates in response to the operation command information .

In the broadcasting system according to the first aspect of the present invention, when the additional information is transmitted from the processing terminal device to the distribution device, the distribution device processes the additional information and the subscriber side according to the processing result. The additional information is transmitted to at least one of the receiving device and the processing terminal device. The receiving device and the processing terminal device perform processing based on the given additional information.

In the broadcasting system according to the second aspect of the present invention, transmission / reception of additional information between the processing terminal device and the distribution device, between the distribution device and the reception device, and between the distribution device and the processing terminal device. Is performed via the additional information channel of a plurality of channels including a broadcast channel for transmitting broadcast information from the distribution device to the receiving device and an additional information channel for transmitting additional information.

In the distribution device according to the third aspect of the present invention,
At least one of broadcast information and additional information other than the broadcast information is transmitted to at least one receiving device provided on the subscriber side, and the additional information is transmitted / received to / from a processing terminal device provided on the subscriber side. If the additional information received from the processing terminal device is operation request information requesting an operation of the receiving device, the operation command information for instructing the operation of the receiving device is set to the receiving device. To be sent as additional information to.

In the processing terminal device according to the fourth aspect of the present invention, an operation is requested to at least one of the receiving device and other devices which are provided on the subscriber side and which receive the broadcast information and additional information other than the broadcast information. The operation request information is input, the operation request information is transmitted as the additional information to the distribution device provided on the center side, the additional information is received from the distribution device, and a response process to the additional information is performed.

In the receiving device according to the fifth aspect of the present invention,
Broadcast information and additional information other than the broadcast information are received from the distribution device provided on the center side, and when the additional information is operation command information for instructing the operation of the device, it responds to the operation command information. Works.

[0037]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a CATV system according to the present invention will be described below with reference to the drawings.

[First Embodiment] FIG. 1 shows a principle CATV system according to a first embodiment of the present invention.

The CATV system shown in FIG. 1 is a CATV system.
Distribution device 10A, processing terminal device 20A, and receiving device 3
It has 0A. The CATV distribution device 10A is a CA
It is provided in a CATV center serving as a distribution station for TV broadcasting, distributes broadcast information to each subscriber, and transmits / receives additional information other than the broadcast information to at least each subscriber.
The additional information also includes communication information used for information distribution.

The processing terminal device 20A is provided on each subscriber side and transmits / receives the additional information to / from the CATV distribution device 10A. The receiving device 30A is provided on each subscriber side and receives the broadcast information and the additional information from the CATV distribution device 10A.

The processing terminal device 20A includes a first communication unit 21.
And an operation request unit 22A. Operation request unit 22A
Inputs the operation request information for requesting the operation of the receiving device 30A. The communication unit 21 uses the operation request information input from the operation request unit 22A as the additional information in the CAT.
It is transmitted to the V delivery device 10A.

The CATV distribution device 10A has a second communication section 11 and an operation command generation section 12A. The operation instruction generation unit 12A generates operation instruction information for instructing the operation of the receiving device 30A corresponding to the operation request information based on the operation request information. The communication unit 11 transmits / receives the additional information to / from each of the processing terminal device 20A and the receiving device 30A, and when the received additional information is the operation request information, the operation request information is an operation command. The operation command information output to the generation unit 12A and further generated by the operation command generation unit 12A is transmitted to the reception device 30A as the additional information.

The receiving device 30A has a third communication section 31 and a device operating section 33. The communication unit 31 receives the additional information. The device operation unit 33 performs the operation indicated by the operation command information when the additional information received by the communication unit 31 is the operation command information.

In the CATV system shown in FIG. 1, in the processing terminal device 20A, the operation request information input from the operation request unit 22A is added as additional information to the communication unit 21 to C.
It is transmitted to the communication unit 11 of the ATV distribution device 10A. CA
In the TV distribution device 10A, the additional information is received by the communication unit 11, and when the additional information is the operation request information, the operation command generating unit 12A generates the operation command information corresponding to the operation request information. The operation command information is sent to the communication unit 11
Is transmitted to the communication unit 31 of the receiving device 30A via.
In the reception device 30A, when the communication unit 31 receives the operation command information of the reception device 30A, the device operation unit 33.
According to the operation command information, the receiving device 30A
Perform the prescribed operation.

The processing terminal device 20A described above can also input operation request information for requesting an operation of the processing terminal device 20A itself from the operation request unit 22A.
At this time, when the additional information received by the communication unit 11 is the operation request information for requesting the operation of the processing terminal device 20, the CATV distribution device 10A operates the operation command generation unit 12 when the additional information is requested.
A is the processing terminal device 20A based on the operation request information.
Operation instruction information for operating the. The operation command information generated by the operation command generation unit 12A is transmitted from the communication unit 11 to the processing terminal device 20A as the additional information. In the processing terminal device 20A, when the communication unit 21 receives and processes the operation command information for the processing terminal device 20A as additional information, an operation according to the operation command information is performed.

[Embodiment 2] FIG. 2 shows a principle CATV system according to a second embodiment of the present invention.

The CATV system shown in FIG.
Distribution device 10B, processing terminal device 20B, and receiving device 3
It has 0B. In the CATV system shown in FIG. 2, the same parts as those in FIG. 1 are designated by the same reference numerals, and detailed description thereof will be omitted.

The CATV distribution device 10B is provided in a CATV center serving as a CATV broadcasting distribution station, distributes broadcast information to each subscriber, and transmits / receives additional information other than the broadcast information to at least each subscriber. To do. The additional information also includes communication information used for information distribution.

The processing terminal device 20B is provided on each subscriber side and transmits / receives the additional information to / from the CATV distribution device 10B. The receiving device 30B is provided on each subscriber side, receives the broadcast information from the CATV distribution device 10B, and transmits / receives the additional information.

The processing terminal device 20B has a first communication section 21.
And an inquiry request unit 22B. Inquiry request unit 22B
Inputs inquiry request information for requesting an inquiry about the status of the receiving device 30B. The communication unit 21 has an inquiry request unit 22B.
The inquiry request information input from the above is transmitted to the CATV distribution device 10B as the additional information, and when the status notification information is given from the CATV distribution device 10B, it receives and processes the status notification information and displays the status.

The CATV distribution device 10B has a second communication unit 11, a state request generation unit 12B and a state notification generation unit 12.
Has C. The status request generation unit 12B generates status request information for requesting notification of the status of the receiving device 30B corresponding to the inquiry request information. The state notification generation unit 12C generates state notification information for notifying the corresponding state based on the state information. Communication unit 1
1 transmits and receives the additional information to and from each of the processing terminal device 20B and the receiving device 30B, and when the received additional information is the inquiry request information,
The inquiry request information is output to the state request generation unit 12B, and the state request information generated by the state request generation unit 12B is transmitted to the receiving device 30B as the additional information, and the received additional information is the state information. In some cases, the status information is output to the status notification generation unit 12C, and the status notification information generated by the status notification generation unit 12C is transmitted to the processing terminal device 20B as the additional information.

The receiving device 30B has a third communication section 31 and a state generation section 32. The communication unit 31 receives the additional information. The state generation unit 32 generates the state information of the receiving device 30B when the additional information received by the communication unit 31 is the state request information.

In the CATV system shown in FIG. 2, in the processing terminal unit 20B, the inquiry request information input from the inquiry request unit 22B is added as additional information from the communication unit 21 to C.
It is transmitted to the communication unit 11 of the ATV distribution device 10B. CA
In the TV distribution device 10B, the additional information is received and processed by the communication unit 11, and when the additional information is inquiry request information, the state request generating unit 12B generates the state request information corresponding to the inquiry request information. The status request information is sent to the communication unit 11
Is transmitted to the communication unit 31 of the receiving device 30B via.
In the reception device 30B, when the communication unit 31 receives the status request information for the reception device 30B, the status generation unit 3
2, the status information according to the status of the receiving device 30B is generated, and the additional information is added to the CATV distribution device 10B.
To the communication unit 11. In the CATV distribution device 10B, when the communication unit 11 receives the status information of the receiving device 30B as the additional information, the status notification generation unit 12C generates the status notification information, and the communication unit 11 processes the processing terminal device 20B as the additional information. To the communication unit 21. The communication unit 21 receives the status notification information and processes the received status notification information to request the receiving device 30B.
The state of is displayed.

The CATV distribution device 10A or 10
The CATV center having B and the subscriber side having the processing terminal device 20A and the receiving device 30A or the processing terminal device 20B and the receiving device 30B are connected via a transmission path of a plurality of channels including a broadcast channel and an additional information channel. Alternatively, the broadcast channel may be used for distribution processing of broadcast information, and the additional information channel may be used for transmission / reception processing of additional information other than the broadcast information.

The receiving device 30A is a TV receiver, and the processing terminal device 20A has, as the operation request information, power control of the TV receiver, change of video channel, change of audio channel, increase / decrease of reproduction volume, And at least one of the time settings may be required. The receiving device 30A is a video recording device that records / reproduces video information on / from a recording medium, and the processing terminal device 20A includes, as the operation request information, control of the power supply of the video recording device, change of a receiving video channel, and multiple audio In audio channel change, increase / decrease of reproduction volume, time setting, reservation operation setting, setting of the recording medium, ejection of the recording medium, reproduction of the recording medium, stop of reproduction of the recording medium, recording of the recording medium. Fast-forward, fast-reverse of the recording medium, start recording on the recording medium, stop recording on the recording medium, pause reproduction of the recording medium, release pause of reproduction of the storage medium, the recording medium It is also possible to request at least one of suspension of recording on the storage medium and cancellation of suspension of recording on the storage medium. The video recording device is a video cassette recorder,
Moreover, the storage medium may be a video cassette. The video recording device is a video disc recorder,
Moreover, the storage medium may be a video disc.

The receiving device 30A is a video reproducing device for reproducing the video information recorded on the recording medium, and the processing terminal device 20A uses the operation request information as a control of the power source of the video reproducing device and the audio in the multiple voice. Change channel, increase / decrease playback volume, set time, set reserved operation, set recording medium, eject recording medium, reproduce recording medium, stop reproduction of recording medium,
At least one of fast-forwarding the recording medium, rewinding the recording medium, temporarily stopping the reproduction of the recording medium, and canceling the suspension of the reproduction of the storage medium may be requested. The video playback device may be a video cassette playback device for playing back a video cassette, and the storage medium may be a video cassette. The video reproduction device may be a video disc player, and the storage medium may be a video disc.

The receiving device 30A includes a telephone and the CAT.
The processing terminal device 20A is provided with a telephone control device that receives and processes the additional information from the V distribution device and controls the telephone, and the processing terminal device 20A sets the dial setting of the telephone and the answering machine function as the operation request information. At least one of setting, cancellation of the answering machine function, and reproduction of the answering machine message may be requested.

The receiving device 30A includes a facsimile and a facsimile control device for receiving the additional information from the CATV distribution device and controlling the facsimile. The processing terminal device 20A stores the operation request information as the operation request information. Of controlling the power supply of the facsimile, transmitting the data generated by the processing terminal device to the facsimile, and transmitting the data generated by the processing terminal device to another facsimile via the facsimile. May be requested.

The processing terminal device 20A is a personal computer capable of receiving the additional information from the CATV distribution device 10A and controlling itself, and the personal computer uses the power source of the personal computer as the operation request information. May be requested.

[Third Embodiment] FIG. 3 shows a specific CATV system according to a third embodiment of the present invention.

The CATV system shown in FIGS. 3 to 5 shows a specific system configuration in which the functions of the systems shown in FIGS. 1 and 2 are combined and other functions are added. In FIGS. 3 to 5, FIGS.
The substantially same parts as the above are denoted by the same reference numerals, and detailed description thereof will be omitted.

The CATV system shown in FIG.
Distribution device 10, personal computer (PC) 20,
TV receiver 34, video cassette recorder (VCR) 3
5, a video disk device 36, a telephone control device 37A, a telephone 37B, a facsimile control device 38A and a facsimile 38B.

The CATV distribution device 10 is provided at a CATV center station and is connected to the subscriber side connected to the CATV distribution device 10 via a cable 40 such as a coaxial cable or an optical communication cable forming a distribution transmission line. , Personal computer 20, TV receiver 34, video cassette recorder (VCR) 35, video disc device 3
6, a telephone controller 37A, a telephone 37B, a facsimile controller 38A and a facsimile 38B are provided.

The personal computer 20 corresponds to a processing terminal device. The personal computer 20 as the processing terminal device can be replaced with a workstation or an electronic notebook.

TV receiver 34, video cassette recorder (VCR) 35, video disk device 36, telephone control device 37A, telephone 37B, facsimile control device 38A.
The facsimile 38B corresponds to a receiving device. Hereinafter, these are collectively referred to as receiving devices 34 to 38B. Not all of these receiving devices 34 to 38B are necessary.

The personal computer 20 and the receiving devices 34 to 38B are owned by the same subscriber of the CATV system. Further, in FIG. 3, an external device 61 is connected to the CATV distribution device 10 via an analog public line 50A such as an analog telephone line, and an ISDN (integrated service digital network) is provided.
k) The external device 62 is connected via the line 50B.

The CATV distribution device 10 comprises a communication section 11, an information generation section 12, a line communication section 13 and a broadcast storage section 14. Furthermore, the information generation unit 12 has an operation command generation unit 12A, a state request generation unit 12B, and a state notification generation unit 12C.

As shown in FIG. 4, the personal computer 20 as a processing terminal device has a communication section 21 and a request input section 22. Further, the request input unit 22
It has an operation request unit 22A and an inquiry request unit 22B.

The TV receiver 34, the video cassette recorder (VCR) 35, the video disk device 36, the telephone 37B connected to the telephone controller 37A, and the facsimile 38B connected to the facsimile controller 38A are all receivers. Each has a common configuration for this system. That is, as shown in FIG. 5, the receiving device 30 having these common configurations includes a communication unit 31, a state generation unit 32, and a device operation unit 33.

The personal computer 20 shown in FIG. 4 will be further described. As shown in FIG.
Corresponds to the first communication unit, and performs information communication between the request information input unit 22 and the cable 40.

Operation request section 22A of request information input section 22
Is operated by a key (not shown) for various receiving devices 34.
Input operation request information for the operations of 38B and the operation of the personal computer 20 itself.

Inquiry request unit 22B of request information input unit 22
Is used to enter inquiry request information for requesting an inquiry about the status of each of the receiving devices 34 to 38B. The communication unit 21 transmits the operation request information input from the operation information input unit 22A as the additional information to the CATV distribution device 10 via the cable 40, and the inquiry request information input from the inquiry request unit 22B. Is transmitted to the CATV distribution device 10 via the cable 40 as the additional information.

The receiving device 30, which is the various receiving devices 34 to 38B shown in FIG. 5, will be further described. As illustrated in FIG. 5, the communication unit 31 corresponds to a third communication unit, and performs information communication between the state generation unit 32, the device operation unit 33, and the cable 40.

When the additional information received by the communication unit 31 is notification request information for requesting notification of the status of the receiving device 30, the status generating unit 32 provides status information for notifying the requested status. To generate. The state information generated by the state generation unit 32 is used as the additional information by the communication unit 31 to C.
It is transmitted to the ATV distribution device 10.

When the additional information received by the communication unit 31 is operation command information for instructing the operation of the receiving device 30, the device operation unit 33 executes the operation indicated by the operation command information. To do. The content of the operation indicated by the operation command information varies depending on the type of the receiving device 30, and will be specifically described below with reference to the individual receiving devices 34 to 38B. The operation command information is information generated by the CATV distribution device 10 based on the operation request information input to the operation request unit 22A of the personal computer 20.

The TV receiver 34 is the CATV distribution device 10.
The broadcast information transmitted from is displayed on the screen. At least one operation of controlling the power supply, changing the video channel, changing the audio channel, increasing or decreasing the volume, and setting the time can be performed according to the operation command information. it can.

The video cassette recorder 35 is a CATV.
The broadcast information transmitted by the distribution device 10 is recorded. Then, according to the operation command information, controlling the power supply, changing the video channel, changing the audio channel, increasing or decreasing the volume, setting the time, setting the reserved time, Inserting a video cassette tape (not shown), removing the video cassette tape, playing the video cassette tape, stopping the playing of the video cassette tape, fast-forwarding the video cassette tape, At least one of rewinding the video cassette tape, starting recording on the video cassette tape, temporarily stopping the reproduction of the video cassette tape, and canceling the temporary stop of the reproduction of the video cassette tape. You can do one operation.

According to the operation command information, the video disc device 36 controls the power supply, changes the video channel, changes the audio channel, increases or decreases the volume, sets the time, and sets the reserved time. Setting, inserting a recording medium (not shown), removing the recording medium, reproducing the recording medium, stopping reproduction of the recording medium, fast-forwarding the recording medium, At least one operation is performed among rewinding the recording medium, starting recording on the recording medium, temporarily stopping reproduction of the recording medium, and canceling suspension of reproduction of the recording medium. be able to.

The telephone control device 37 monitors and controls the telephone 37B. The telephone control device 37 is, for example, a telephone 3
An incoming call to 7B is detected, and incoming call information indicating the incoming call is transmitted to the CATV distribution device 10 as the additional information.

The facsimile controller 38A monitors and controls the facsimile 38B. The facsimile control device 38A, for example, detects an incoming call to the facsimile 38B and transmits the incoming call occurrence information for indicating the incoming call to the CATV distribution device 10 as the additional information.

The CATV distribution device 10 shown in FIG. 3 will be further described. As shown in FIG. 3, the communication unit 21 corresponds to the second communication unit, and includes the information generation unit 12 and the line communication unit 13.
Also, information communication is performed between the broadcast storage unit 14 and the cable 40.

The communication unit 11 transfers the broadcast information stored in the broadcast storage unit 14 via the optical cable 40 to the TV receiver 34 and the video cassette recorder 35.
Send to.

The communication unit 11 also receives various types of receiving devices 34 to 38 through the control channel assigned to the band in which the broadcast information is transmitted, that is, the CATV broadcast band.
Additional information is transmitted and received between B and the personal computer 20.

Here, the additional information is information used for information distribution within the CATV system. Then, as shown in FIG. 6, the additional information is configured in a format having “source identifier”, “destination identifier”, “user ID and password”, “transmission content” and “status of receiving device” as elements. Has been done. The code shown in FIG. 7 is assigned to each element. For example, if the "source identifier" is "V
The code in the case of "CR (video cassette recorder)" is "2001", and the code in the case of "transmission" is "power on" is "0000".

Control channels are assigned by the first method shown in FIG. 8 and the second method shown in FIG. First
In the above method, a band between the (N-1) channel band and the N channel band or a band between the N channel band and the (N + 1) channel band is allocated. In the second method, C
Bands located at the lower and upper limits of the ATV broadcast band are assigned. Since the amount of additional information is much smaller than the amount of broadcast information, the bandwidth of the control channel is much narrower than the bandwidth of the video channel in either method.

Operation command generating section 12A of information generating section 12
When the additional information received by the communication unit 11 is the operation request information, generates operation command information for operating the various receiving devices 34 to 38B based on the operation request information. The generated operation instruction information is transmitted from the communication unit 11 to the various receiving devices 34 to 38B or the personal computer 20 as the additional information.

Notification request information generation section 12 of information generation section 12
When the additional information received by the communication unit 11 is the inquiry request information, B generates notification request information for requesting notification of the state of the receiving device 30 based on the inquiry request information. The generated notification request information is used as the additional information from the communication unit 11 by various receiving devices 34 to 38B.
Sent to.

Inquiry notification information generation section 12 of information generation section 12
When the additional information received by the communication unit 11 is the status information, the C generates inquiry notification information for notifying the status of the receiving device 30 requested for the inquiry, based on the status information. The generated inquiry notification information is used as the additional information from the communication unit 11 to the personal computer 2
Sent to 0.

The line communication unit 13 transmits / receives the additional information to / from the external device 61 via the public line 50A and transmits / receives the additional information to / from the external device 62 via the ISDN line 50B.

The broadcast storage unit 14 is used for independent broadcasting and ordinary TV.
Stores broadcast data including video information created by broadcasting or the like. The stored video data is transmitted from the communication unit 11 to the TV receiver 34, the video cassette recorder 35, and the personal computer 20 as the broadcast information.

Next, the operation of the CATV system shown in FIG. 3 will be described. FIG. 10 shows the CATV distribution device 10.
The flowchart of the process of FIG. CATV distribution device 10
When the communication unit 11 receives the operation request information (step S
1201), the user ID and password included in the operation request information are inquired (step S1202), and the user I
It is determined whether or not D and the password are the correct combination, that is, whether or not the user is a CATV member (step S1203). If it is determined in step S1203 that the combination is not correct, the process is stopped (step S1204).

On the other hand, when it is determined in step 1203 that the combination is correct, it is determined whether the operation request information is set correctly (step S120).
5). If it is determined in step S1205 that the operation request information is not set correctly, the process is stopped (step S1206).

On the other hand, if it is determined in step S1205 that the setting is correct, the transmission source user is specified from the user ID inquired in step S1202 (step S1207).

Next, the operation command information generated based on the operation request information received in step S1201 is transmitted to the operation receiving device (step S1208). Figure 11
Shows a processing sequence when operating the TV receiver 34 from the personal computer 20.

First, the personal computer 20 transmits operation request information for operating the TV receiver 34 to the CATV distribution device 10 via the cable 40 (step S1301).

The CATV distribution device 10 transmits the operation command information generated based on the operation request information transmitted from the personal computer 20 to the TV receiver 34 via the cable 40 (step S1302). At this time, C
The processing shown in FIG. 10 is performed inside the ATV distribution device 10.

The TV receiver 34 is the CATV distribution device 10.
It operates according to the operation command information received from (step S1303). FIG. 12 shows a personal computer 20.
3 schematically shows a processing sequence for operating the video cassette recorder 35.

First, the personal computer 20 transmits operation request information for operating the video cassette recorder 35 to the CATV distribution device 10 via the cable 40 (step S1401).

The CATV distribution device 10 transmits the operation command information generated based on the operation request information transmitted from the personal computer 20 to the video cassette recorder 35 via the cable 40 (step S140).
2). At this time, in the inside of the CATV distribution device 10, as shown in FIG.
The processing shown in 0 is performed.

The video cassette recorder 35 is a CATV
It operates according to the operation command information received from the distribution device 10 (step S1403). FIG. 13 schematically shows a processing sequence when operating the video disk device 36 from the personal computer 20.

First, the personal computer 20 transmits operation request information for operating the video disc device 36 to the CATV distribution device 10 via the cable 40 (step S1501).

The CATV distribution device 10 transmits the operation command information generated based on the operation request information transmitted from the personal computer 20 to the video disc device 36 via the cable 40 (step S1502). At this time, the processing shown in FIG. 10 is performed inside the CATV distribution device 10.

The video disc device 36 operates according to the operation command information received from the CATV distribution device 10 (step S1503). FIG. 14 schematically shows a processing sequence when operating the telephone 37B from the personal computer 20.

First, the personal computer 20 connects the CATV distribution device 10 to the telephone 3 via the cable 40.
Operation request information for operating 7B is transmitted (step S1501).

The CATV distribution device 10 transmits the operation command information generated based on the operation request information transmitted from the personal computer 20 to the telephone control device 37A via the cable 40 (step S1502). At this time, the processing shown in FIG. 10 is performed inside the CATV distribution device 10.

The telephone control device 37A uses the telephone 37B based on the operation command information received from the CATV distribution device 10.
Is operated (step S1503). As a result, the telephone 37B operates according to the operation command information received by the telephone control device 37A (step S1504).

FIG. 15 schematically shows a processing sequence for operating the facsimile 38B from the personal computer 20. First, the personal computer 20 receives the CATV distribution device 10 via the cable 40.
Then, the operation request information for operating the facsimile 38B is transmitted (step S1701).

The CATV distribution device 10 transmits the operation command information generated based on the operation request information transmitted from the personal computer 20 to the facsimile control device 38A via the cable 40 (step S170).
2). At this time, in the inside of the CATV distribution device 10, as shown in FIG.
The processing shown in 0 is performed.

The telephone control device 37A uses the facsimile 38 based on the control information received from the CATV distribution device 10.
B is operated (step S1703). As a result, the facsimile 38B operates according to the operation command information received by the facsimile controller 38A (step S17).
04).

FIG. 16 schematically shows a processing sequence when operating the TV receiver 34 from an external device 61 such as a telephone connected to the public line 50A. First, the telephone 61 makes a call to the CATV distribution device 10 (step S1801). Then, the user ID and password input using the dial buttons provided on the telephone 61 are transmitted to the CATV distribution device 10 (step S1).
802). Further, a preset number for inquiring whether the power of the TV receiver 34 is turned on, which is input using the dial button, is notified to the CATV distribution device 10 (step S1803).

The CATV distribution device 10 has step S18.
02 and notification request information for inquiring about the state of the power supply of the TV receiver 34 based on the information notified in step S1803 from the communication unit 11 to the TV receiver 34 (step S1804).

Next, the TV receiver 34 transmits, from the communication section 31 to the CATV distribution device 10, status information for notifying the status of the power source, based on the notification request information received from the CATV distribution device 10 (step S1805). .

The CATV distribution device 10 includes the TV receiver 34.
Based on the status information sent from
Answer by voice, "Power is on" (step S1806). If the telephone 61 can display characters, it is possible to answer with text information such as "power is on" in addition to voice.

Then, for example, the number for turning off the power of the TV receiver 34, which is input using the dial button provided on the telephone 61, is transmitted to the CATV distribution device 10 (step S1807).

The CATV distribution device 10 has step S18.
Based on the information transmitted in 07, operation command information for instructing an operation to turn off the power of the TV receiver 34 is transmitted from the communication unit 11 to the TV receiver 34 (step S180).
8). As a result, the TV receiver 34 turns off the power (step S1809).

FIG. 17 schematically shows a processing sequence in the case where the TV receiver 34 and the telephone 37B operate in conjunction with each other via the CATV distribution device 10. First, it is assumed that a call is received from the telephone 37B (step S190).
1).

Then, the telephone control device 37A determines that the telephone 3
CATV distribution device 10 that a call is made to 7B
(Step S1902). The CATV distribution device 10 sends control information including broadcast information and audio information indicating that a call has been received from the communication unit 11 to the TV receiver 3.
4 (step S1903).

As a result, the TV receiver 34 is displayed, for example, in FIG.
Display as shown in FIG. That is, a message screen 92 saying "I received a call" is displayed at the bottom of the broadcast screen 91. Further, the TV receiver 34 also conveys a voice message, "I received a call."

With reference to FIGS. 19 and 20, the correspondence between the processing contents and the additional information will be described taking the case of operating the video cassette recorder 35 from the personal computer 20 as an example.

First, the personal computer 20 transmits inquiry information for inquiring about the power supply state of the video cassette recorder 35 to the CATV distribution device 10 (step S2).
101). The inquiry information in this case, that is, the additional information is
As shown in FIG. 19, "7001,2001,1234MTL, 0010,000
1 ”, but the information shall mean the following, for example.

That is, "7001" indicates that the sender is the personal computer 20. "2001"
Indicates that the transmission destination is the video cassette recorder 35. “1234MTL” indicates the user ID and password of the user. “0010” indicates that the transmission content is “status acquisition”. In addition, “000
1 ”indicates that the status information is“ powered on ”. The destination in this case is not the CATV distribution device 10 but the video cassette recorder 35 which is the final destination.

The CATV distribution device 10 has step S21.
The notification request information generated based on the inquiry information transmitted in 01 is transmitted to the video cassette recorder 35 (step S2102). In this case, the notification request information, that is, the additional information is, as shown in FIG.
It becomes “7001,2001,1234MTL, 0010,0001” similar to the case of.

Next, the video cassette recorder 35 transmits status information indicating that the power is off to the CATV distribution device 10 (step S2103). The status information in this case, that is, the additional information, is as shown in FIG.
The information is “2001,7001,1234MTL, 0011,0000”, and the information means, for example, the following.

That is, "2001" indicates that the transmission source is the video cassette recorder 35. "7001"
Indicates that the transmission destination is the personal computer 20. “1234MTL” indicates the user ID and password of the user. “0011” indicates that the transmission content is “status transmission”. In addition, “000
“0” indicates that the status information is “power is off”. The destination in this case is not the CATV distribution device 10 but the personal computer 20 which is the final destination.

Next, the CATV distribution device 10 transmits inquiry notification information for notifying the state of the video cassette recorder 35 to the personal computer 20 (step S210).
4). In this case, the inquiry notification information, that is, the additional information,
As shown in FIG. 19, it becomes “2001,7001,1234MTL, 0011,0000” similar to the case of step S2103.

The personal computer 20 transmits the operation request information for turning on the power of the video cassette recorder 35 to the CATV distribution device 10 (step S2).
105). As shown in FIG. 19, the operation request information, that is, the additional information, in this case is “7001,2001,1234MTL, 000”.
It is 0, ”, but the information means the following, for example.

That is, "7001" indicates that the sender is the personal computer 20. "2001"
Indicates that the transmission destination is the video cassette recorder 35. “1234MTL” indicates the user ID and password of the user. Furthermore, “0000” indicates that the operation content is “power on”. Note that the transmission destination here is not the CATV distribution device 10 but the video cassette recorder 35 that is the final transmission destination. Further, nothing is specified in the status information.

Next, the CATV distribution device 10 transmits the operation command information for turning on the power source to the video cassette recorder 35 (step S2106). The operation command information in this case, that is, the additional information, is obtained in step S2105.
It becomes “7001,2001,1234MTL, 0000,” which is the same as the case of.

The video cassette recorder 35 turns on the power supply based on the transmitted operation command information (step S2107). There is no additional information corresponding to this step S2107.

The personal computer 20 transmits the operation request information for starting the recording of the video cassette recorder 35 to the CATV distribution device 10 (step S21).
08). In this case, the operation request information, that is, the additional information is “7001,2001,1234MTL, 000” as shown in FIG.
5, ”, but the information means, for example, the following.

That is, "7001" indicates that the sender is the personal computer 20. "2001"
Indicates that the transmission destination is the video cassette recorder 35. “1234MTL” indicates the user ID and password of the user. Further, “0005” indicates that the operation content is “recording start”. Note that the transmission destination here is not the CATV distribution device 10 but the video cassette recorder 35 that is the final transmission destination.
Further, nothing is specified in the status information.

Next, the CATV distribution device 10 transmits the operation command information for turning on the power source to the CATV distribution device 10 (step S2109). As shown in FIG. 20, the operation command information in this case, that is, the additional information, is “7001,2001,1234MTL, 00” as in the case of step S2105.
05, ”.

Next, the video cassette recorder 35 starts recording on the basis of the transmitted operation command information (step S2110). There is no additional information corresponding to this step S2110.

[0134]

According to the CATV system of the first aspect of the present invention, when the additional information is transmitted from the processing terminal device to the CATV distribution device, the CATV distribution device processes the additional information, and the processing result thereof is obtained. In accordance with the above, the additional information is transmitted to at least one of the receiving device and the processing terminal device on the subscriber side, and the receiving device and the processing terminal device perform processing based on the given additional information, and the CATV center side and The bidirectional communication function with the subscriber side has been enhanced to enable not only the distribution of broadcast information but also the communication of additional information other than that, and the device of the subscriber connected to the CATV distribution device can be distributed to the CATV distribution device. It is possible to provide a CATV system that can be controlled by other devices connected to the device.

According to the CATV system of the second aspect of the present invention, between the processing terminal device and the CATV distribution device,
The transmission / reception of the additional information between the CATV distribution device and the reception device and between the CATV distribution device and the processing terminal device is performed by C
Broadcast distribution is carried out via the additional information channel of a plurality of channels including a broadcast channel for transmitting broadcast information from the ATV distribution device to the receiving device and an additional information channel for transmitting additional information. Not only distribution of broadcast information but also communication of additional information is carried out via a transmission cable for communication, and the CATV distribution device and the subscriber's receiving device and other devices connected thereto are linked to each other. A CATV system that enables operation can be provided.

According to the CATV distributor of the third aspect of the present invention, at least one of the broadcast information and the additional information other than the broadcast information is transmitted to at least one receiver provided on the subscriber side, When the additional information is transmitted / received to / from the processing terminal device provided on the subscriber side, and the additional information received from the processing terminal device is operation request information requesting an operation of the receiving device. ,
Operation instruction information for instructing an operation of the receiving device,
By transmitting as additional information to the receiving device, additional information other than broadcast information can be communicated with a device on the subscriber side, and a wide range of services can be provided by using the additional information. A possible CATV distribution device can be provided.

According to the processing terminal device of the fourth aspect of the present invention, an operation is performed on at least one of the receiving device and other devices for receiving the broadcast information provided on the subscriber side and the additional information other than the broadcast information. Is input to the CATV distribution device provided on the CATV center side as the additional information, the additional information is received from the CATV distribution device, and a response to the additional information is received. Provided is a processing terminal device capable of communicating additional information other than broadcast information with a CATV distribution device by performing processing and receiving a wide range of services using the additional information. be able to.

According to the receiving device of the fifth aspect of the present invention, the broadcast information and the additional information other than the broadcast information are received from the CATV distribution device provided on the CATV center side,
When the additional information is operation command information for instructing the operation of the device, the additional information other than the broadcast information is sent to and from the CATV distribution device by operating in response to the operation command information. It is possible to provide a receiving device that enables communication and can receive a wide range of services by using the additional information.

[Brief description of drawings]

FIG. 1 is a principle C according to a first embodiment of the present invention.
It is a block diagram which shows the structure of an ATV system.

FIG. 2 is a principle C according to a second embodiment of the present invention.
It is a block diagram which shows the structure of an ATV system.

FIG. 3 is a principle C according to a third embodiment of the present invention.
It is a block diagram which shows the structure of an ATV system.

4 is a block diagram showing a partial functional configuration of a personal computer used in the CATV system of FIG.

5 is a block diagram showing a partial functional configuration of a receiver used in the CATV system of FIG.

6 is a diagram schematically showing a format of additional information used in the CATV system of FIG.

7 is a diagram schematically showing a part of a code used for additional information of the CATV system of FIG.

8 is a diagram schematically showing a first method of the relationship between a CATV broadcasting channel and a control channel used for additional information in the CATV system of FIG.

9 is a diagram schematically showing a second method of the relationship between the CATV broadcast channel and the control channel used for additional information in the CATV system of FIG.

FIG. 10 is a CATV in the CATV system of FIG.
It is a flowchart which shows the flow of a process of a delivery apparatus.

FIG. 11 is a sequence diagram schematically showing a process of operating a TV receiver in the CATV system of FIG.

FIG. 12 is a sequence diagram schematically showing the course of processing when operating the video cassette recorder in the CATV system of FIG.

13 is a sequence diagram schematically showing the course of processing when operating the video disc device in the CATV system of FIG.

14 is a sequence diagram schematically showing the course of processing when operating the telephone in the CATV system of FIG.

15 is a sequence diagram schematically showing the course of processing when operating the facsimile apparatus in the CATV system of FIG.

16 is a sequence diagram schematically showing the course of processing when operating a TV receiver by telephone in the CATV system of FIG.

17 is a sequence diagram schematically showing a course of interlocking processing between a TV receiver and a telephone in the CATV system of FIG.

FIG. 18 is a diagram schematically showing the display of the TV receiver in the sequence of FIG.

FIG. 19 is a flowchart illustrating the first half of the processing flow when operating the video cassette recorder in the CATV system of FIG. 3.

20 is a flowchart illustrating the latter half of the processing flow when operating the video cassette recorder in the CATV system of FIG.

[Explanation of symbols]

10, 10A, 10B ... CATV distribution device 11, 21, 31 ... Communication unit 12 ... Information generation unit 12A ... Operation instruction generator 12B ... State request generation unit 12C ... State notification generation unit 13 ... Line communication unit 14 ... Broadcast storage section 20 ... Personal computer (PC) 20A, 20B ... Processing terminal device 22 ... Request input section 22A ... Operation request section 22B ... inquiry request section 30, 30A, 30B ... Receiving device 32 ... State generation unit 33 ... Device operation unit 34 ... TV (television) receiver 35 ... Video cassette recorder (VCR) 36 ... Video disc device 37A ... Telephone control device 37B ... Telephone 38A ... Facsimile controller 38B ... Facsimile device

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-7-59166 (JP, A) International Publication 95/013681 (WO, A1) (58) Fields investigated (Int.Cl. ⁷ , DB name) H04N 7/00-7/68 H04N 5/38-5/46

Claims (4)

(57) [Claims] 1. A distribution processing of broadcast information using the broadcast channel and the additional information channel, which are provided on a center side connected to a subscriber side through a transmission path of a plurality of channels including a broadcast channel and an additional information channel. A distribution device that performs transmission / reception processing of additional information other than the broadcast information to be used, reception processing of the broadcast information transmitted from the distribution device via the broadcast channel, and transmission from the distribution device via the additional information channel. The additional information received and transmitted between the at least one receiving device that performs at least one of response processing to the additional information and the delivery device via the additional information channel, and the additional information received. And a processing terminal device that performs a response process to the receiving terminal, the processing terminal device requesting an operation of the receiving device. The distribution device includes operation request means for inputting operation request information, and first communication means for transmitting the operation request information input from the operation request means to the distribution device as the additional information, When the additional information is transmitted / received to / from the operation command generating unit that generates operation command information for instructing an operation of the receiving device based on the operation request information, and the received additional information is the operation request information. A second communication means for giving the operation request information to the operation command generating means, and further transmitting the operation command information generated by the operation command generating means to the receiving device as the additional information, The receiving device includes a third communication unit that receives the additional information, and the operation command information when the additional information received by the third communication unit is the operation command information. Possess a device operation means for performing an operation corresponding to the broadcast, the receiving apparatus includes: a TV receiver, a telephone, the distribution instrumentation
Device to send and receive the additional information and control the telephone.
A telephone control device for controlling the incoming call of the telephone.
Send incoming call information to the distribution device as the additional information
Then, the distribution device is configured to receive the information received by the second communication unit.
If additional information is said Chakukojo paper, wearing of the telephone
Incoming call notification information for notifying a call as the additional information
The received additional information is transmitted to the receiving device via the second communication means, and the receiving device receives the incoming call notification.
If it is information, the above-mentioned receipt of an incoming call is received.
Characterized in that it includes means for displaying on the screen of the device.
Broadcast system. 2. A transmitting means for transmitting at least one of broadcast information and additional information other than the broadcast information to at least one receiving device, and a communication means for transmitting and receiving the additional information to and from a processing terminal device. When the additional information received by the communication unit is operation request information requesting an operation of the receiving device, operation command information for instructing an operation of the receiving device based on the operation request information is displayed. generated, an operation command generation means for supplying to said communication means as additional information for the receiving apparatus transmits and receives the additional information, the additional received
If the information is the operation request information, the operation request information is
Giving to the operation command generating means, and further generating the operation command
The operation command information generated by the means is used as the additional information.
Second communication means for transmitting to the receiving device by the second communication means, and the additional information received by the second communication means is received.
Incoming call information indicating an incoming call when an incoming call is made to a telephone installed in the device
Incoming call to notify the incoming call of the telephone, if
The second information is sent to the receiving device by using notification information as the additional information.
A distribution device that transmits via communication means. 3. An operation request input unit for inputting operation request information for requesting an operation for at least one of a receiving device and other devices for receiving broadcast information and additional information other than the broadcast information, and the operation request. A communication means for transmitting the operation request information input from the input means and the incoming call information indicating the incoming call to the distribution device provided on the center side as the additional information when the incoming call is received by the telephone and the incoming call to the telephone. Includes call notification information
And a response processing unit that receives the additional information from the distribution device and performs a response process to the additional information. 4. A communication unit for receiving broadcast information and additional information other than the broadcast information from a distribution device provided on the center side, and an operation for the additional information received by the communication unit to instruct the operation of the device. In the case of command information, the operation means that operates in response to the operation command information , the TV receiver, the telephone, and the distribution device are provided with the attachment.
Transmitting and receiving additional information and controlling the telephone,
When the incoming call is received, the incoming call information indicating the incoming call is added as the additional information.
Telephone control device for transmitting to the distribution device, and the distribution device
The additional information received from the incoming call notification information to the telephone is
If it is a news message, it is
Device for displaying on the screen of the device
Place