JPH0723356A - Interactive television broadcasting system - Google Patents

Abstract

PURPOSE:To enable many audiences to simultaneously participate in this interactive television(TV) broadcasting system, to easily attain a quick response and to attain the execution of a video game. CONSTITUTION:A TV receiver in a service zone 1 receives a broadcasting wave a1 obtained by synthesizing a video signal transmitted from a broadcasting station 4 and additional information related to the video signal converted into a character broadcasting signal. In the case of executing interactive TV broadcasting, viewer data are outputted from a control device 102 to a domestic slave station 103 and transmitted to a radio equipment 11 in a street base station 10 through a time-division multiplex radio line (b). The transmitted data are multiplexed with other viewer data by a multiplexing device 12 and the multiplexed data are transmitted to a local exchange 3. The local exchange 3 separates/totalizes data based upon a subscriber's code and broadcasting station code added to the viewer data and transmits the separated/totalized result to the broadcasting station 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an interactive interactive television broadcast in which a viewer can participate in a broadcast program, and relates to an interactive television broadcast system excellent in immediate response and large capacity of the viewer. The present invention relates to a game execution method using the system.

[0002]

2. Description of the Related Art In television broadcasting using terrestrial broadcast waves, interactive television broadcasting is carried out in which real-time viewers' opinions are transmitted to a broadcasting station and a broadcast program proceeds while incorporating the opinions. In this case, the outgoing data of the viewer is generally transmitted to the broadcasting station by voice call or facsimile using a public telephone line.

Alternatively, a bidirectional television is provided in which a response device having a mechanism for receiving a video signal and answering an inquiry is provided at the television set position so that the signal can be sent from the receiving set to the television station. A system is disclosed (Japanese Patent Laid-Open No. 63-234).
No. 87).

Next, although not using terrestrial broadcasting, there is disclosed a video game system in which two points distant from each other are connected to a remote place. In one example, a system is used in which two points are connected by a telephone line and data communication is performed with each other to play a video game. In this case, it is indispensable to keep the mutual video games in sync, and a technique for this is disclosed (Japanese Patent Laid-Open No. 60-99283).

[0005]

When a general telephone line is used as a means for transmitting the outgoing data of the viewer, it is necessary to connect the line every time the broadcasting station listens to the viewer's opinion, which is an immediate answer. Lacks sex. Also, if the broadcasting station does not have a sufficient number of lines, a call loss often occurs when busy inquiring about viewers all at once, and the majority of viewers participate in interactive broadcasting. There was a problem that I could not do it.

Further, in the first disclosed example, the prompt response of the viewer is excellent, but there is a limit to the radio wave reachable range for the wide area service.

Next, in the conventional interactive television broadcasting, there is a problem that an application example in which a video game is played using simultaneous terrestrial broadcasting is not disclosed in detail.

[0008]

In order to solve the above problems, the present invention provides a radio channel allocation time slot using a method of time-division multiplexing multiple radio frequencies for each home. A transmission / reception unit for transmitting a viewer response (hereinafter referred to as viewer data) in a burst format is provided, and the viewer data includes at least a subscriber code for viewer identification assigned in advance for each viewer. ,
A service zone including a broadcasting station code of a broadcasting station currently being viewed, including at least one of the transmitting / receiving means is set, and transmission viewer data of one or more transmitting / receiving means is received for each service zone, It is provided with a street reception means for multiplexing transmission viewer data of a plurality of transmission / reception means and transmitting it to a fixed line, and limiting the transmission output so that the arrival distance of the transmission radio waves of the transmission / reception means is within the existing service zone. , Further comprising exchange means for receiving the multiplexed viewer data sent by each street reception means in a plurality of service zones and for disassembling and exchanging for each destination broadcasting station that each home is individually watching. , Each broadcast station is provided with a totalization processing means for totalizing processing of a plurality of viewer data transmitted from each of the exchange means, and the broadcast station simultaneously with the video signal in the simultaneous terrestrial broadcast, A means for adding information relating to the image signal as a teletext signal, and more households, the teletext decoder for receiving the television receiver, a teletext,
The television receiver, the teletext decoder, and the control means connected to the transmission / reception means are provided.

[0009]

The viewer data transmitted by the viewer is transmitted to the intended broadcasting station via the street receiving means and the exchange means. If viewers connect time-division wireless channels between street reception means and transmission / reception means simultaneously with the start of program broadcasting, even if viewer data is requested all at once within the broadcast program, it will be transmitted only to each assigned time slot. Therefore, the above-mentioned call loss does not occur.

Further, since the time-division wireless channel is always connected, it is not necessary to request the viewer to perform the calling work for connecting the line for each transmission.

Further, the data transmitted on the time-division radio channel is the above-mentioned subscriber code for viewer identification, the broadcasting station code, and additional information required by the program. This additional information is, for example, a questionnaire in the program. If it is the multi-branch selection data for, it can be a small amount of data as a whole.

Therefore, the time division multiplexing number can be improved, and the transmission output of the transmitting / receiving means is limited, so that a common frequency can be used between service zones separated by a distance that does not give interference. The capacity can be increased and a large number of viewers can participate in the program over a wide area.

In terms of application related to video games, it works as follows.

Information added by the teletext signal includes
It is possible to add position information such as the boundary of the video of interest on the display screen of the video signal and the display position of the object of interest. Therefore, additional information such as the position information can be sent to the control means via the teletext decoder.

The control means operates to output the superimpose display necessary for the video game to the television receiver. Since the control means performs a superimpose display based on the additional information sent at the same time as the video signal, it is possible to play a video game with the video signal as a background, for example. Further, the game result and the score of each viewer are counted by the control means and are promptly transmitted to the broadcasting station as the viewer data. Therefore, the ranking among the viewers who have simultaneously experienced the game can be calculated by the aggregation processing means on the broadcast station side.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. FIG. 1 is a system configuration diagram showing the configurations of a small zone interactive television and a video game broadcasting system. In FIG. 1, 1 and 2 are service zones for distinguishing viewers by region, and 3 is a local exchange (hereinafter abbreviated as LX) that distributes and exchanges viewer data aggregated from each service zone to each broadcasting station. ) 4 and 5 are broadcasting stations that perform wide area television and video game broadcasting using terrestrial waves and the like. 101, 111, 1n1 are television receivers installed in each home, 102, 112, 1n2 are control devices, and 103, 113, 1n3 are home slave stations (hereinafter abbreviated as HS).

Further, 10 is a street base station (hereinafter abbreviated as TS) in which at least one station is installed in the service zone 1,
Reference numeral 11 is a wireless device, and 12 is a multiplexing device.

Further, 41 is a totaling processing means for totaling and processing a plurality of multiplexed data sent from the LX3, 42 is an image input means, 43 is position information detecting means, 44 is position information input means, and 45 is character broadcasting. The input means 46 is a broadcasting means.

Now, it is assumed that terrestrial broadcast waves a1 and a2 are transmitted from the broadcasting stations 4 and 5, respectively. These broadcast waves a1 and a2 are different frequency channels, and the broadcast wave a1 transmitted from the broadcasting station 4 is received by the television receivers 101, 1n1 in the service zone 1 and transmitted from the broadcasting station 5. It is assumed that the wave a2 is received by the television receiver 111 in the service zone 1.

Here, the broadcast wave a transmitted from the broadcasting station 4
1 will be taken as an example of a route in which the television receiver 101 receives the interactive television and the video game broadcast.

In the broadcasting station 4, the image of the television or the video game is inputted to the broadcasting means 46 and the position information detecting means 43 by the image inputting means 42. The position information detecting unit 43 detects the position information e synchronized with the subject in the image input from the image input unit 42, and the position information e is input to the teletext input unit 45 via the position information input unit 44. The position information e is added to the teletext signal and is input to the broadcasting means 46 by the teletext input means 45. The image and the position information e input to the broadcasting means 46 are output from the broadcasting means 46 via the terrestrial broadcast wave a1 and are received and displayed on the television receiver 101.

A control device 102 is connected to the television receiver 101, and the control device 102 has an input function for inputting data from a viewer and further prompts the viewer to input viewer data. Superimpose display of
The superimpose display related to the content input by the viewer is output to the television receiver 101. further,
The control device 102 outputs the viewer data to the HS 103 according to the communication channel slot format described later.

The HS 103 transmits the viewer data to the wireless device 11 of the TS 10 via the time division multiplex wireless line b. Similarly, the data is multiplexed with data of other viewers by the multiplexing device 12 of TS10 and transmitted to LX3.

Multiplexed data from other service zones 2 are also connected to LX3, and from each multiplexed data,
Data is separated for each destination broadcasting station and transmitted to each broadcasting station.

The plurality of viewer data d transmitted from the LX3 are input to the totalization processing means 41 of the broadcasting station 4, and after the totalization processing of each viewer data is performed, as a totalization result, via the teletext input means 45. It is input to the broadcasting means 46. The counting result is output from the broadcasting means 46 via the terrestrial broadcast wave a1, and is received and displayed on the television receiver 101.

The same frequency can be used between service zones separated by a distance that does not give interference, and effective use of frequency can be performed.

Next, the transmission data on the viewer side necessary for realizing the interactive television and the video game broadcasting will be described. FIG. 2 shows a communication channel slot format used for the time division multiplexing wireless line b. It is assumed that the communication channels are assigned different frequencies in the HS → TS direction as an up (TF) direction and the TS → HS direction as a down (RF) direction. The communication channel is a time division line as shown in FIG. 2, and one frequency is shared by six different HSs. For example, the HS 103 uses ST #
Communication is performed with the TS 10 using the slot referred to in 2. Moreover, since the uplink and downlink slots do not overlap in time, the HS configuration is simplified.

The procedure for assigning an individual slot to each HS will be described later, but the data of each slot of the upstream communication channel TF is the upstream burst (hereinafter referred to as T) shown in FIG.
(Abbreviated as B).

In the TB, g is a guard time, p is a preamble, s is a slot synchronization word, n is a subscriber code, m is a broadcast station code, and u is a user data part.

In order to realize the interactive television and the video game broadcasting, the data of the viewer particularly requested in the program is transmitted by the user data section u, and this user data section u is transmitted.
In addition to the above, data concerning the currently received broadcasting station of television and video game broadcasting is transmitted by the broadcasting station code m, and further information about the subscriber of this system, which is pre-allocated for each HS, is added to the subscriber. Send with code n. The other guard time g, the preamble p, and the slot synchronization word s are used to maintain the connection of the time division wireless line b.

Next, the procedure for setting the wireless line b will be described with reference to FIG.

First, in order for the viewer to participate in this system, the HS 103 and the control device 102 are turned on (H
0). The control device 102 sets the transmission / reception frequency to the control channel pre-allocated to at least one of the plurality of frequency channels of this system (H1). Next, a start-up display of this system is performed by a superimpose display or the like described later (H2) to notify the viewer of the start-up of the system. The controller 102 then requests the communication channel from the TS 10 via the control channel. TS
Upon receiving this request (T1), 10 designates the communication channel specifying the frequency and the allocation slot to the control device 102. Upon receiving the channel designation signal (H3), the control device 102 transmits a communication channel designation response to the TS10. After that, the control device 102 switches to the frequency designated by the communication channel designation (H4), and further, the control device 102 displays the line on the television screen of the television receiver 101 by the superimpose display like the activation display (H2). A connection completion message is displayed (H5). On the other hand, when the TS 10 receives the communication channel designation response (T2), the communication channel with the HS 103 is activated, and after the above operation, time division multiplex communication is started in the slot format shown in FIG. 2 (T3).

FIG. 4 shows an example of a superimpose display image at the time of startup and line connection. First, when the present system is activated, for example, a superimpose display of an illustration of people shaking hands is performed. And
When the line connection is completed, the color of the superimpose displayed at startup is changed to notify the viewer of the line connection completion.

Next, the data to be multiplexed in TS10 will be described. FIG. 5 is a frame format showing the contents of the multiplexed data c. The head is the multiplexed data frame synchronization word (MDSW), then the home slave station multiplex data (MNUM), the street base station code (TSC), and the home slave station data (HS1, HS2, consisting of the data format described later). .., HSn), and the end is a frame end code EOF indicating that the frame has ended.

FIG. 6 shows pre-home home station data (HS1, H).
S2, ..., HSn) format. The head is the synchronization word SW, then the subscriber code n described in FIG. 2, the broadcasting station code m of the broadcasting station currently being viewed,
The user data u are arranged in this order.

According to the above data format, the multiplexing device 12 multiplexes the data of the viewer located in the service zone 1 into a variable length frame corresponding to the number of viewers currently accessing. In addition, a street base station code is added so that trends by region can be understood.

The LX3 receives the multiplexed data c from the other service zone 2 which is the same as the service zone 1, and the LX3 further includes the household slave station data which is a variable length portion in the multiplexed data c. By the subscriber code and the broadcasting station code, each viewer data is transmitted as the viewer data d to the broadcasting station broadcasting the program that each viewer is viewing (participating in).

Next, a "horse racing game" will be described as an example of an interactive video game using the system of the present invention. First, the outline of the game is as follows.

[0039] The viewer can view the live broadcast of the horse racing relay, and the racehorses, odds (the popularity of each racehorse and the ratio at the time of refund), and the racecourse (racetrack condition) data transmitted via the teletext channel. Select a winning horse voting ticket. The selection data is transmitted to the broadcasting station via HS103, TS10, and LX3, and the odds data is updated.
After the race, betting ticket selectors will be given game points according to odds, and the ranking within the nationwide audience will be calculated from the final game points.

The progression sequence of this horse racing game will be described in detail with reference to FIGS. 7 and 8.

First, the viewer side connects the upstream communication line to the broadcasting station via the control device 102 and the HS 103 in order to play the horse racing game (R0). This is shown in FIG.
In order for the viewer to participate in this system, the HS 103 and the control device 102 are turned on (H0) to HS10.
3 to start the communication channel with 3 and start time division multiplex communication (T3).

Next, the broadcasting station transmits the application software using the teletext channel, and the viewer downloads the application software in the control device 102 (R1). Subsequently, a start signal is transmitted from the broadcasting station via the teletext channel, and the viewer displays a start display screen based on the start signal on the control device 102.
The output is displayed (R2) and the game starts.

Each run horse, odds, and riding ground data are constantly transmitted from the broadcasting station via the teletext channel, and the viewer side inputs each of the data into the control device 102 and displays the data according to the game scene. (R3). On the viewer side, the winning horse voting ticket selection signal x is transmitted via the control device 102 and the HS 103 from the data and the information obtained from the live broadcast, and at the same time, the viewer's own game point subtraction is displayed by the control device 102 (R4). ).

At this time, the broadcasting station receives the winning horse voting ticket selection signal x (B0), calculates a check code f [x] from the winning horse voting ticket selection signal x by a certain function f, and further, this f [x] Is saved in a storage area (not shown) referred to by the subscriber code (B1). Then, a new odds calculation is performed based on the winning horse voting ticket selection signal x from the viewer side (B2). The broadcasting station transmits the new odds data after the change via the teletext channel, and the viewer side receives new odds information based on the data from the control device 102.
Output more (R5). When approaching each horse running time, the broadcasting station transmits a deadline signal through the teletext channel, and the viewer side closes the selection of the winning ballot ticket based on the deadline signal (R6). After that, the race starts (B3), and during the race, the broadcasting station transmits the position data of each running horse through the teletext channel, the viewer side receives the position data, and the control device 102 displays it on the TV screen. A marker indicating the horse selected by the viewer is output (R7). When the race is finished (B4), the broadcasting station transmits the order of arrival and the winning horse game point data through the teletext channel, and the viewer side displays the game screen based on the order of winning and the winning horse game point data. (R8). If there is a winning betting ticket among the viewers, the control device 102 automatically transmits the winning horse voting ticket selection signal x ′ via the HS 103. The broadcasting station receives the winning horse voting ticket selection signal x '(B5), and calculates the check code f [x'] based on the certain function f from the winning horse voting ticket selection signal x'as in (B1). (B6). Further, the check code f [x] calculated in (B1) and the check code f [x '] are collated and compared (B7).

This collation work is for preventing fraud in which the selection data is falsified by looking at the race result. This will be explained below.

In this horse racing game, the winning horse betting ticket which is regarded as the winning horse game point addition symmetry is the winning horse voting ticket selected until immediately before the deadline for selecting the winning horse voting ticket,
The content of the winning horse voting ticket selection signal x corresponds to the content.

Therefore, even if the control device 102 is modified so that the winning horse betting ticket selection signal x'having a betting ticket can be sent out by looking at the result after the race, the above-mentioned winning horse voting ticket selection signal x and the winning horse voting. Each check code f [x] and check code f in the ticket selection signal x ′
The broadcasting station can judge the illegal acts by determining whether or not [x '] is equal to each other.

That is, if f [x] = f [x '], the broadcasting station transmits the winning horse game point data addition signal through the text broadcasting channel, and the viewer side receives the winning horse game point data addition signal. Is input to and self-game points are added and displayed (R9).

If f [x] ≠ f [x '], the broadcasting station transmits an unauthorized response detection signal via the teletext channel,
In this case, on the viewer side, the fraudulent response detection signal is input to the control device 102 to display fraudulent activity (R10).

Further, the reason why the winning horse betting ticket selection signal is transmitted twice is not only to detect fraud but also to use only the winning betting ticket data for the subsequent totaling process. The purpose is to reduce the processing load.

After that, the broadcasting station performs a totaling process based on the transmission data from each viewer side (B8). Then, the broadcasting station transmits the counting result signal through the teletext channel, and the control device 102 on the viewer side calculates and displays the national ranking of the viewer based on the counting result signal (R11). Finally, the broadcasting station transmits a game end signal via the teletext channel, and the viewer side inputs the game end signal to the control device 102 to display the game end (R12), and the game ends.

Next, the control device 102 installed in each home,
112 and 1n2 will be described in detail.

FIG. 9 shows an example of the internal configuration of the control device 102. Reference numeral 21 denotes a remote control transmitter, which can emit infrared rays to operate the control device 102 and the HS 103. Further, it is assumed that the remote controller transmitter 21 can also input the response requested in the program of this system. A remote control receiver 22 receives a signal from the remote control transmitter 21. A control unit 23 outputs the upstream burst TB shown in FIG. 2 to the HS 103, and also outputs a display command to a spine pause display control unit 28 described later. Reference numeral 24 denotes a RAM, which stores a control program for the control unit to perform an operation adapted to the interactive television and the video game broadcasting system. 25 is a flash RO
The M memory stores family registration data for each viewer and personal data required for each next program. Reference numeral 26 is a package software I / F, 27 is a teletext decoder, and 101 is a television receiver as in FIG.

The control program for the control unit 23 to operate in accordance with the interactive television and video game broadcasting is the teletext decoder 27 or the package software I.
/ F26 is downloaded to the RAM 24 via the control unit 23. Therefore, the interactive television and video game broadcasting software should be installed on the television receiver 101 for each program to be viewed.
It can be supplied by teletext data superposed on the above or a package such as a ROM cassette. Reference numeral 28 denotes a superimpose display control unit, which outputs a superimpose display corresponding to the system start-up, line connection, response selection, etc. to the television receiver 101.

Although the control device 102 is shown in a block diagram different from that of the HS 103, the control device 102 may of course be stored in the same box.

Next, a screen image of this horse racing game will be described. FIG. 10 is a diagram illustrating a screen image of a horse racing game broadcast.

When the game starts and each information is sent from the broadcasting station through the teletext channel, the control device 10
The superimpose display is output to the TV screen via 2. The viewer uses the remote control transmitter 21 to make a selection of horse betting tickets. After the betting ticket selection deadline, the race starts, and as shown in FIG. 10, a marker with the horse number and the viewer's illustration is displayed on the race horse of the viewer's selected betting ticket (9-1), and at the same time, the selected betting ticket is displayed. Odds information (9
-2) and the current ranking information of the viewer-selected horse (9-3)
Is displayed in superimpose. The display program for the superimpose display at this time is downloaded for each program as described above.

The marker display at this time allows the viewer to know, as real-time data, the current ranking of the racehorses of the horse betting selected by the viewer during the horserace race.

The viewer's response is the control device 102, HS.
103, TS10, LX3, broadcast station 4 are transmitted in this order,
The broadcasting station advances the program based on the response of the viewer. In this way, the progress of the program is left to the response of the viewer.

Next, as another example of the interactive video game using the system of the present invention, "car driving game (hereinafter referred to as F
-1 game) "will be described.

On the course screen, the viewer operates the own vehicle displayed in superimpose by the control unit 102 on the race course screen transmitted via simultaneous terrestrial broadcasting, and at the same time is transmitted via the teletext channel. The race points are added or subtracted according to the situation of the vehicle operated by the viewer based on the position information about the boundary line of the race course and the ideal travel line. Based on the position information, the control unit 102 also performs a superimpose display for other vehicles competing with the own vehicle operated by the viewer.

After the race is over, the race point data of the viewer is transmitted to the broadcasting station via the HS103, TS10 and LX3 and is aggregated to calculate the ranking within the nationwide viewers.

Next, the progress sequence of the F-1 game will be described with reference to FIGS. 11 and 12.

First, the viewer side connects the upstream communication line to the broadcasting station via the control device 102 and the HS 103 in order to play the F-1 game (R0). This is because in order to allow the viewer to join the system in FIG.
From turning on the power of the control device 102 (H0), the HS
It includes everything up to starting the communication channel with 103 and starting time division multiplex communication (T3).

Next, the broadcasting station transmits the application software through the teletext channel, and the viewer downloads the application software in the control device 102 (R1). Subsequently, a start signal is transmitted from the broadcasting station via the teletext channel, and the viewer displays a start display screen based on the start signal on the control device 102.
The output is displayed (R2) and the game starts.

The broadcasting station transmits the above-mentioned position information such as the boundary of the race course at the same time as the course image, the game is executed, the viewer operates the own vehicle, and the position information and the own vehicle information depending on the situation. The race point of the viewer is added and subtracted by the detection comparison with (R3). Note that the process (R3) will be described separately as a flowchart during the race using FIGS. 13 and 14.

When the race is finished (R4), the race point signal is transmitted from the viewer through the control device 102 and the HS 103, and the broadcasting station receives the race point signal (B2). The broadcast station totalizes the race points (B2), and the broadcast station transmits a totalization result signal, and the viewer side outputs and displays the ranking within the nationwide viewer from the control device 102 (R5). Finally, the broadcast station transmits a game end signal, the viewer side outputs a game end display from the control device 102 (R6), and the game ends.

Next, a flow chart during the race will be described with reference to FIGS. 13 and 14.

After the race starts (F1), the course out judgment (F2) is first performed.

When it is determined that the course is not out, the race point addition process (F3) is performed. If it is determined that the player has gone out of the course, the race point subtraction process (F5) is performed, and then the deceleration process (F6) is performed.
Further, the state return determination (F6) is performed. When it is determined in the process 6 that the vehicle can be restored, the acceleration process (F7) is performed, and the race point addition process (F3) is performed.

If it is determined in the process F6 that it is impossible to recover, the race point subtraction process (F8) is performed and the game is over (F9).

When the race point addition process (F3) is carried out, another vehicle contact judgment (F10) is carried out. If it is determined that the vehicle is not in contact with another vehicle, race point addition processing (F11) is performed.

If it is determined in the process F10 that a contact has been made, a race point subtraction process (F12) is performed, and then a crash determination (F13) is performed.

When it is determined in the process F13 that the vehicle has not crashed, the spin process (F14) is subsequently performed, the acceleration process (F15) is further performed, and then the race point addition process (F11) is performed.

On the other hand, if it is determined in the process F13 that the vehicle has crashed, the race point subtraction process (F8) is performed and the game is over (F9).

After the race point addition processing (F11), goal determination (F16) is performed.

The goal judgment is made by receiving a goal signal transmitted from the broadcasting station via the teletext channel. If the goal signal is received, the race ends (F17)
Becomes

When it is determined in the process F16 that the goal signal has not been received, the processes from F2 are repeated.

Next, the control devices 102, 112, 1n2 installed in each home used for the "F-1 game" will be described.

FIG. 15 shows another example of the internal configuration of the control device 102. The same reference numerals are given to the same parts as those in the configuration of FIG. Reference numeral 29 is a frame buffer. When an accident occurs in the own vehicle operated by the viewer during the F-1 game, the course image at the time of the accident is used as a still screen.

Next, the screen image of the F-1 game will be described. FIG. 16 is a diagram illustrating a screen image of the F-1 game broadcast. The game starts, and the background and the other vehicle screen are displayed first. Next, the race starts at the same time when the display of the vehicle screen is completed, and the viewer operates the vehicle with the remote control transmitter 21. At this time, as shown in Fig. 16, on the TV screen, the entire race course (13-
1) and the current position of the own vehicle (13-2), the current shift position of the own vehicle (13-3), and the speed (1)
3-4), the race point (13-5) is the control device 10
Superimpose display via 2. The race point is obtained by comparing and detecting the position information necessary for the F-1 game such as another vehicle synchronized with the race screen, the boundary line of the race course, and the ideal running line, and the information of the own vehicle operated by the viewer. Calculated. Further, the above position information is transmitted via the teletext channel. The display program for the superimpose display is downloaded for each program as described above.

[0082]

As described above, according to the present invention, since the viewer sets not the fixed telephone line but the frequency and time division multiplex wireless lines in advance, the viewer's response is excellent in prompt response. .

Further, by using the large capacity small zone system, an effect that a large number of viewers in a wide area can simultaneously participate in the interactive television broadcasting is obtained.

Further, simultaneously with the video in the simultaneous terrestrial broadcast, the boundary of the video on the screen and the position information of the subject of interest are added to the teletext signal and transmitted, so that the terrestrial broadcast video can be displayed by the application software prepared for each home There is an effect that you can play a video game using.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a small zone interactive television and a video game broadcasting system showing an embodiment of the present invention.

FIG. 2 is a communication channel slot format.

FIG. 3 is a connection flowchart of a street base station and a household slave station.

FIG. 4 is a diagram showing an example of a display image by superimposing.

FIG. 5 is a format of a multiplexed data frame transmitted from a street base station.

FIG. 6 is a format of home station data.

FIG. 7 is a diagram illustrating a progression sequence of a horse racing game showing an example of a game using the system of the present invention.

FIG. 8 is a diagram illustrating a progression sequence of a horse racing game showing an example of a game using the system of the present invention.

FIG. 9 is a diagram showing an example of an internal configuration of a control device in a horse racing game.

FIG. 10 is a diagram illustrating a display screen of a horse racing game showing an example of an interactive television and a video game broadcast.

FIG. 11 is a diagram illustrating a progression sequence of an F1 game showing an example of a game using the system of the present invention.

FIG. 12 is a diagram illustrating a progression sequence of an F1 game showing an example of a game using the system of the present invention.

FIG. 13 is a flowchart during execution of the F-1 game.

FIG. 14 is a flowchart during execution of the F-1 game.

FIG. 15 is a diagram showing an example of an internal configuration of a control device in an F-1 game.

FIG. 16 is a diagram illustrating a display screen of a horse racing game showing an example of an interactive television and a video game broadcast.

[Explanation of symbols]

 1, 2 ... Service zone, 3 ... Local exchange station, 4, 5 ... Broadcasting station, 101, 111, 1n1 ... Television receiver, 102, 112, 1n2 ... Control device, 103, 113, 1n3 ... Home slave station, 10 ... Street base station, 11 ... Wireless device, 12 ... Multiplexing device, 41 ... Aggregation processing means, 42 ... Image input means, 43 ... Position information detecting means, 44 ... Position information input means, 45 ... Text broadcasting input means, 46 ... Broadcasting means, a1, a2 ... Terrestrial broadcast wave, b ... Time division multiplexed wireless line, c ... Multiplexed data, d ... Viewer data, e ... Position information, g ... Guard time, p ... Preamble, s ... Slot Sync word, n ... Subscriber code, m ... Broadcast station code, u ... User data, MDSW ... Multiplexed data frame sync word, MNUM ... Home slave station multiplex data, TSC ... Street base station Code, HSn ... Home station (n) data, EOF ... Frame end code, SW ... Sync word, 21 ... Remote control transmitter, 22 ... Remote control receiver, 23 ... Control section, 24 ... RAM, 25 ... Flash ROM memory , 26 ... Package software I / F, 27 ... Teletext decoder, 28 ... Superimpose display control unit, 29 ... Frame buffer.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shigeyuki Sudo 292 Yoshida-cho, Totsuka-ku, Yokohama-shi, Kanagawa, Ltd.Inside the Video Media Research Institute, Hitachi, Ltd. Studio AV Equipment Division

Claims (4)

[Claims] 1. Each home is provided with a transmission / reception means for performing communication using a frequency-division and time-division-multiplexed wireless line, and a service zone accommodating at least one of the transmission / reception means is set, and each service zone is set. And a local exchange means for receiving and transmitting one or more pieces of transmission data from the transmission / reception means and further multiplexing the data. The local exchange means for exchanging and connecting the data multiplexed by the street reception means for each destination broadcasting station. The viewer's response requested from the broadcasting station in the program is transmitted via the transmitting / receiving means, the street receiving means, and the local exchange means. Each home is provided with means for adding information related to the video signal by a broadcast signal, and each home has a television receiver, a teletext decoder for receiving teletext, and the television receiver. Interactive television broadcast systems, characterized in that a control means for connecting to the machine and the teletext decoder and the transmitting and receiving means. 2. A code relating to a broadcasting station currently being viewed and a subscriber code for identifying the viewer itself are added to the response of the viewer among the transmission data output from the transmitting / receiving means. The interactive television broadcasting system according to claim 1. 3. Information added by a teletext signal,
3. The interactive television broadcasting system according to claim 1 or 2, which includes position information such as a boundary of a video image of interest on a display screen of a video signal and a display position of a subject of interest. 4. The interactive television broadcasting system according to claim 3, wherein a viewer plays a video game by using a video signal by terrestrial broadcasting and information added by a teletext signal. .