JP2000050214A - Teletext receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To present detailed information related to the program information by storing the program guidance information and its detailed information, displaying the optional program information in response to a 1st selector and based on the program guidance information, displaying the detailed information corresponding to a selected program, in response to a 2nd selector and extracting a prescribed character string from the 2nd selector to decide it. SOLUTION: The Program guidance information superimposed on the TV signals and the detailed information incidental to the guidance information are extracted by a data fetching circuit 16c and stored in a buffer memory 16d. The program data are displayed on a screen corresponding to the code data, and the detailed information on the program data can be selectively displayed, when the code data are designated by a cursor. A modem circuit 20 is added to secure external connection and accordingly to fetch the external detailed information corresponding to arbitrary program data. Thus, the bidirectional service is improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a teletext receiving apparatus capable of receiving teletext, and more particularly, to a specific character string on a teletext display screen to display detailed information or external information. It is a thing that can be obtained.

[0002]

2. Description of the Related Art Conventionally, with the digitization of television signals (from signal processing to transmission), development for multifunctional television receivers has been actively conducted. As a function of this type of television receiver, there is a function of receiving and displaying a television signal on which teletext program guide data is superimposed.

In the above-mentioned television receiver, all text broadcast program guide data is extracted from the transmitted television signal and temporarily stored in a buffer memory. Then, the television receiver specifies desired program data from among the stored program guide data,
The designated program data is read from the buffer memory and written to the presentation program memory. The program data stored in the presentation program memory is divided into display data and additional sound data. The display data is displayed on a screen by a presentation process using an image memory, and the additional sound data is output as sound.

[0004] In recent years, in the above-mentioned television receiver, it is possible to select and display arbitrary program data from program guide data, but viewers can display detailed information on the program data. Is required. However, with the program data and its detailed information,
In order to display on a screen, a large-capacity image memory is required.

On the other hand, in the above-mentioned television receiver, an interactive service for exchanging information desired by a viewer with the outside using a telephone line or the Internet has been proposed. Therefore, there is a demand for a television receiver that can display the contents of program data in detail using this interactive service. However, it has been impossible to display the selected and displayed program data in association with information obtained from outside.

[0006]

As described above, the above-mentioned television receiver has a problem that it is not possible to display arbitrary program data selected by a viewer and detailed information related to the program data. ing. Further, there is a disadvantage that even if an attempt is made to obtain detailed contents of the program data using a telephone line or the Internet, the program data cannot be displayed in association with the selected and displayed program data.

It is an object of the present invention to selectively present arbitrary program information from program guide information to a viewer, to present detailed information related to the information, and to provide both information corresponding to the program information. It is an object of the present invention to provide a teletext receiving device capable of improving the service for mobile phones.

[0008]

SUMMARY OF THE INVENTION According to the present invention, program guide information of each channel within a specified period superimposed on a television signal and detailed information accompanying the information are extracted, stored, and selectively displayed. The present invention relates to a teletext receiver having a function of displaying program guide information.

In order to achieve the above object, a storage means for storing program guide information and detailed information, and an arbitrary program is set as a first selector based on the program guide information stored in the storage means. First display means for displaying in association with each other, first selection means for selecting an arbitrary program by giving a predetermined input to a first selector displayed on the first display means, A second display unit for displaying a plurality of detailed information corresponding to an arbitrary program selected by the first selection unit in association with a second selector, and a second display unit displayed on the second display unit; Determining means for extracting a specific character string from the second selector by giving a predetermined input to the second selector, and determining whether the specific character string corresponds to a preset character string; Based on the determination result by this determination means, It is obtained by so and a third display means for displaying the contents of detailed information stored in the unit.

[0010] According to this structure, the program guide information of each channel within the specified period superimposed on the television signal and the detailed information accompanying the information are extracted and stored. Is arranged so that any program information in the program guide information is displayed in association with the selector, and when any program is displayed, the detailed information is displayed together with the selector for extracting the information from the storage means. I have. That is, by giving a cursor instruction to the selector, arbitrary program information or detailed information related to the program information can be selectively displayed. As for the detailed information, it is determined whether or not the cursor instruction has been correctly given to the selector by determining whether or not the specific character string of the selector corresponds to a preset character string.

[0011] For this reason, it is possible to selectively switch and display arbitrary program information and detailed information by using a selector. Can be selectively presented, and detailed information related to the selected program information can be selectively presented.

Further, the present invention extracts program guide information of each channel within a specified period superimposed on a television signal and detailed information accompanying the information, and stores and selectively displays the program guide information. The present invention relates to a teletext receiver having a display function, and further includes a line connection unit for connecting to the outside.

[0013] To achieve the above object, a storage means for storing program guide information and detailed information, and an arbitrary program as a first selector based on the program guide information stored in the storage means. First display means for displaying in association with each other, first selection means for selecting an arbitrary program by giving a predetermined input to a first selector displayed on the first display means, A second display unit for displaying a plurality of detailed information corresponding to an arbitrary program selected by the first selection unit in association with a second selector, and a second display unit displayed on the second display unit; Determining means for extracting a specific character string from the second selector by giving a predetermined input to the second selector, and determining whether the specific character string corresponds to a preset character string; The result of the determination by this determination means is recorded in the storage means. A third display means for reading and displaying the contents of any detailed information from the storage means when the detailed information indicates that the information has been transmitted, In the case shown, there are provided communication control means for performing communication with the outside through a line connection unit based on the external communication identification information, and fourth display means for displaying information obtained by the communication control means. It is like that.

According to this configuration, at the time of displaying arbitrary program information, a specific character string is extracted from a selector corresponding to detailed information given a predetermined input, and the specific character string is set to a predetermined character string; That is, it is determined whether or not the combination of a plurality of digits and a specific code or any of facsimile identification information and Internet address information is stored. It is possible to extract the detailed information or access to the outside.

[0015] For this reason, by providing a modem unit for connection to the outside, it is possible to take in detailed information from the outside corresponding to arbitrary program information, thereby contributing to improvement of interactive services. Become.

[0016]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a block diagram showing a configuration of a television receiver provided with a teletext receiver according to an embodiment of the present invention.

That is, the video signal received by the antenna 11 and selected by the tuner 12 is transmitted to the video processing circuit 1.
3 is supplied. The video signal demodulated by the video processing circuit 13 is output to the color cathode ray tube 1
5 to be displayed.

An output video signal from the video processing circuit 13 is supplied to a character multiplex decoder 16. The character multiplexing decoder 16 can extract and process character information multiplexed in, for example, a vertical blanking period of a video signal. The character multiplex decoder 16 operates according to an instruction from the main controller 17.
The output signal obtained by this character multiplex decoder 16 is
The image is supplied to the color cathode ray tube 15 via the output switching circuit 14 and displayed.

In the above-mentioned television receiver, the channel selection of the tuner 11 is controlled by the main controller 17 in accordance with the channel operation from the remote controller 18 during the normal operation, And the program guide data. When the viewer performs an input operation for displaying characters and the like using the input device 19, the character multiplexing decoder 16 reads the input operation information from the input device 19 and performs processing based on the read information content. . Simultaneously with this processing, the character multiplex decoder 16 causes the color cathode ray tube 15 to display characters and the like based on the input operation information. Further, the character multiplexing decoder 16 is connected to the modem circuit 20 and instructs the modem circuit 20 to access the outside based on the information content.

In each of the above circuits, the antenna 11,
Tuner 12, video processing circuit 13, output switching circuit 1
4. The color cathode ray tube 15, the character multiplex decoder 16, and the main controller 17 constitute a teletext receiver according to the present invention.

FIG. 2 is a circuit block diagram showing the configuration of the character multiplex decoder 16. As shown in FIG. 2, a video signal of the format shown in FIG. 3 output from the video processing circuit 13 is supplied to an input terminal 16a. Note that the video signal shown in FIG. 3 has, for example, program guide data accompanied by detailed information such as a drama synopsis, a scheduled subtitle broadcast, an actor's profile, and a facsimile (facsimile) service. The teletext program guide (EPG: Electric Program Guide) data superimposed on the video signal is sliced at a predetermined slice level in the waveform shaping circuit 16b to become a digital binary signal.
This digital binary signal is supplied to the data acquisition circuit 16c.

The data acquisition circuit 16c extracts a digital binary signal as teletext program data for each data line and supplies it to the buffer memory 16d. The buffer memory 16d temporarily stores program guide (EPG) data of all teletexts extracted by the data acquisition circuit 16c. The microcomputer 16e controls the timing of extracting a data line in the data acquisition circuit 16c and the control of data transfer from the data acquisition circuit 16c to the buffer memory 16d.

An input device 19 is connected to the microcomputer 16e. The input device 19 has a key for designating a program number using a numeric keypad or the like. Further, the input device 19 displays code data (000X) and moves a cursor displayed in a program number portion on the screen.
It has a cursor movement key and a cursor execution key for giving a predetermined input to the program number under cursor display, that is, code data when the program displayed by the cursor is a desired program. Further, the input device 19 sequentially retrieves the top row of each page data in the program data of a plurality of pages and displays the batch data on one screen in a state where desired program data is written in a presentation program memory described later. The microcomputer 16e provided with the headline display key described above, when there is program designation data from the remote controller 18 or the input device 19 in the text broadcast program guide data stored in the buffer memory 16d, All of the program data having a plurality of pages are stored in the program memory 1 for presentation.
The designated program data which has been transferred to and received from the program memory 6f is stored in the presentation program memory 16f. Desired program data stored in the presentation program memory 16f is transferred to the display image memory 16h via the display control circuit 16g in page units.

The display control circuit 16g reads the display data written in the display memory 8 and outputs the read data to the output terminal 16i.
To obtain the R, G, B signals and send them to the color cathode ray tube 15. The display of the data of the designated program is presented on the screen, and the additional sound data is output as sound.

The microcomputer 16e includes:
The display determination program number memory 16j and the modem circuit 20 are connected to each other. Display identification program number memory 16j
Stores, in advance, program number information and, for example, Internet address information and FAX identification information for communication with the outside. That is, when the program number information stored in the display determination program number memory 16j matches the designated data from the remote controller 18 or the input device 19, the microcomputer 16e stores the program number information in the buffer memory 16d or the presentation program memory 16f. The read data is read and transferred to the image memory 16h.

Further, the Internet address information or FA stored in the display discrimination program number memory 16j is stored.
If the X identification information matches the designated data from the remote controller 18 or the input device 19, the modem circuit 2
0 is instructed to access the outside via a telephone line or the Internet. Then, desired data transferred from the broadcasting station is transferred to the display image memory 16h via the modem circuit 20.

The microcomputer 16e includes a cursor display control means 16e1, a code data discrimination means 16e2, and an external communication control means 16e3. When there is a cursor movement instruction from the input device 19 with respect to the cursor displayed on the screen, the cursor display control means 16e1 executes an address operation process in response to the instruction, and based on the address operation result, displays the cursor on the display screen. Move the cursor.

When a cursor instruction is given to the code data on the display screen, the code data discriminating means 16e2 extracts a specific character string of the code data and stores the character string stored in the display discrimination program number memory 16j in advance. Is determined. The external communication control unit 16e3 performs external communication based on an external communication protocol stored in a memory (not shown) when information on external communication is selected on the display screen.

Next, a display example of program data and an operation thereof according to the embodiment of the present invention will be described. FIG.
FIG. 5 is a flowchart for explaining the operation of the microcomputer 16e when switching display of program data and determining code data. FIG. 5 is a display example of program guide data, and FIG. It is a display example.

First, the microcomputer 16e displays the current / next program guide table on the display screen as shown in FIG. 5 (step S101). Then, it is determined whether or not there is a cursor instruction by the input device 19 (step S102), and if there is a cursor instruction (YES).
Next, it is determined whether or not the cursor instruction is a program ID, that is, a program number (step S103).

Here, when the cursor is pointed at the program ID (YES), the microcomputer 16e switches to display any program data corresponding to the program ID (step S104). As shown in FIG. 6, in the switched program data, a plurality of detailed information is displayed in association with the code data. Note that the code data indicates a portion surrounded by a square.

Next, the microcomputer 16e determines whether or not there is a cursor instruction in the code data on the display screen (step S105). If there is a cursor instruction (YES), the specific character string of the code data is displayed. A determination process is performed to determine whether the character string corresponds to the character string stored in the discrimination program number memory 16j (step S106). If so, detailed information corresponding to the code data is fetched from the presentation program memory 16f or the outside. The contents are displayed on the display screen (step S107).

Next, FIG. 7 is a flowchart for explaining the detailed processing operation of the above step S106.
That is, the microcomputer 16e determines, for example, whether or not the code data includes an X character and up to three digits on the left side thereof (step S201). If it is determined that there are up to three digits on the left side of the X character (YE
S), the microcomputer 16e recognizes the program ID (Step S202). If the number of digits displayed on the left side of the X character is one or two digits, the unrecognized number is processed as zero. After recognizing the program ID, the microcomputer 16e
Stores the detailed information corresponding to the program ID in the program memory for presentation 1
6f, transferred to the image memory 16h, and displayed on the display screen (step S203).

If the microcomputer 16e cannot detect the program ID in step S201 (NO), the microcomputer 16e adds http: // to the code data.
www. Exists or the FAX identification information
It is determined whether X0 exists (step S204). Then, http: // www. Is detected (Internet), the microcomputer 16
The e determines whether or not there is a blank or a character other than English characters and English symbols as a final determination (step S20).
5). If a space or a character other than English characters and symbols is detected (YES), the microcomputer 1
6e recognizes that the code data is Internet address information (step S206), and issues an access instruction to the modem circuit 20 to establish a connection with the outside via the Internet (step S207). Thereafter, the microcomputer 16e acquires information related to the program data from the outside and transfers it to the image memory 16h (step S208).

Further, also in the case of FAX, the microcomputer 16e determines that a blank or "-"
It is determined whether there is a character other than English characters and symbols other than "" (step S209). If a space or a character other than English characters and symbols is detected (YES), the code data is FAX identification information. Is recognized (step S210), and thereafter, the same processing as steps S207 and S208 is performed. In the facsimile, the microcomputer 16e issues an access instruction to the modem circuit 20 to establish a connection with the outside via a telephone line.

In the processing of steps S205 and S209, if the information does not correspond to any of the facsimile or Internet address information, the microcomputer 16e displays an error message on the display screen (step S211).

As described above, according to the above embodiment,
The program guide information of each channel within the specified period superimposed on the television signal and the detailed information accompanying the information are extracted by the data acquisition circuit 16c, and the buffer memory 1
Focusing on storing in the 6d, any program data in the program guide data is displayed on the screen in association with the code data, and when any program is displayed, the detailed information is displayed. The data is displayed in association with the code data to be extracted from the program memory 16f. That is, by giving a cursor instruction to the code data, arbitrary program data or detailed information related to the program data can be selectively displayed. As for the detailed information, it is determined whether or not the specific character string of the code data corresponds to the character string stored in advance in the display determination program number memory 16j. Is determined.

[0038] For this reason, it is possible to selectively switch and display arbitrary program data and detailed information using the code data. It is possible to selectively present program data and selectively present detailed information related to the selected program data.

Further, according to the above embodiment, when displaying any program data, the microcomputer 16e extracts a specific character string from the code data corresponding to the detailed information indicated by the cursor, and this specific character string is previously stored. A set character string, that is, a combination of a numerical value of a plurality of digits and a specific code, or identification information for FAX or Internet address information is determined, and based on the determination result, In such a case, detailed information stored in the own device is extracted or access to the outside is performed.

For this reason, by providing the modem circuit 20 for connecting to the outside, it is possible to take in detailed information from the outside corresponding to arbitrary program data, and it is possible to improve the interactive service. Become.

In the above-described embodiment, an example has been described in which communication with the outside is performed via the Internet or a telephone line for facsimile to acquire detailed information on program data. Detailed information related to the program data may be obtained.

In addition, the configuration of the television receiver and the character multiplex decoder 16, the display method of the program data, the specific character string of the code data, and the access method to the outside are variously modified without departing from the gist of the present invention. Can be implemented.

[0043]

As described in detail above, according to the present invention,
Teletext receiver capable of selectively presenting arbitrary program information from program guide information to a viewer, presenting detailed information related to the information, and improving interactive services corresponding to the program information. Can be provided.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a television receiver to which an embodiment of a teletext receiving apparatus according to the present invention is applied.

FIG. 2 is a block diagram showing a specific configuration of the character multiplex decoder shown in FIG. 1;

FIG. 3 is a view showing a configuration of program guide data superimposed on a television signal and detailed information accompanying the data.

FIG. 4 is an exemplary flowchart illustrating the operation of the microcomputer when switching display of program data and determining code data according to the embodiment;

FIG. 5 is an exemplary view showing a display example of program guide data in the embodiment.

FIG. 6 is an exemplary view showing a display example of arbitrary program data in the embodiment.

FIG. 7 is a flowchart showing step S1 of the flowchart shown in FIG. 4;
12 is a flowchart shown to explain the detailed processing operation 06.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 ... Antenna, 12 ... Tuner, 13 ... Video processing circuit, 14 ... Output switching circuit, 15 ... Color cathode ray tube, 16 ... Character multiplex decoder, 17 ... Main controller, 18 ... Remote controller, 19 ... Input device, 20 ... Modem circuit, 16b: waveform shaping circuit, 16c: data acquisition circuit, 16d: buffer memory, 16e: microcomputer, 16e1: cursor display control means, 16e2: code data determination means, 16e3: external communication control means, 16f: presentation 16g: display control circuit, 16h: image memory, 16j: display identification program number memory.

Claims (4)

[Claims] 1. A program guide information display function of extracting, storing, and selectively displaying program guide information of each channel within a specified period superimposed on a television signal and detailed information accompanying the information. A storage unit for storing the program guide information and the detailed information; and displaying an arbitrary program in association with a first selector based on the program guide information stored in the storage unit. First display means; first selection means for selecting an arbitrary program by giving a predetermined input to the first selector displayed on the first display means; and Second display means for displaying a plurality of detailed information corresponding to an arbitrary program selected by the means in association with the second selector, and a second selector displayed on the second display means Give given input to By the above, a specific character string is extracted from the second selector, and a determining means for determining whether or not the specific character string corresponds to a predetermined character string, and based on a determination result by the determining means And a third display means for displaying the contents of the detailed information stored in the storage means. 2. The method according to claim 1, wherein the determining unit is configured to determine whether the specific character string of the second selector is a combination of a predetermined number of digits and a specific code. The teletext receiving device according to claim 1. 3. A program guide information display function of extracting, storing, and selectively displaying program guide information of each channel within a specified period superimposed on a television signal and detailed information accompanying the information. When the apparatus includes a line connection unit for connecting to the outside, a storage unit that stores the program guide information and the detailed information, based on the program guide information stored in the storage unit, A first display means for displaying an arbitrary program in association with a first selector; an arbitrary program by giving a predetermined input to the first selector displayed on the first display means; First selecting means for selecting a plurality of pieces of detailed information corresponding to an arbitrary program selected by the first selecting means, respectively, in association with a second selector, This second display By giving a predetermined input to the second selector displayed in the column, a specific character string is extracted from the second selector, and whether or not this specific character string corresponds to a predetermined character string is determined. And a third display for reading and displaying the contents of any detailed information from the storage means when the result of the determination by the determination means indicates the detailed information stored in the storage means. A communication control unit for performing communication with the outside via the line connection unit based on the external communication identification information when a result of the determination by the determination unit indicates external communication identification information regarding communication with the outside. Means, and a fourth display means for displaying information obtained by the communication control means. 4. When the specific character string of the second selector is a combination of a predetermined numerical value of a plurality of digits and a specific code, the determination means stores the details stored in the storage means. Information, and if the specific character string of the second selector is Internet address information or identification information for facsimile, a specific character other than a blank or an English character or an English symbol is finally determined. 4. The teletext receiving apparatus according to claim 3, wherein the determination is made that the identification information is external communication identification information.