JP3389702B2 - Teletext receiver - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a teletext receiver for presenting a reservation status of a text program by displaying a cursor and a mark on a table of contents program.

[0002]

2. Description of the Related Art With the spread of teletext receivers in recent years,
Teletext programs are on the rise. Therefore, when displaying a teletext program with a high display frequency, it is common to make a reservation for the teletext program in advance and display it by calling the reserved program from the next time. Further, when making a reservation for a text program, a method of displaying a table-of-contents program is used to retrieve the program number of the program desired to be reserved.

The structure of a conventional teletext receiver will be described below with reference to FIG. In FIG. 4, a is a video signal of a television, 1 is a tuner for receiving teletext, and 2 is a video signal a received by the tuner 1 for separating a text signal superposed and transmitted within a vertical blanking period. A character signal separating means 3, a character signal processing means for decoding the character signal separated by the character signal separating means 2, and a character 4 for storing the character data decoded by the character signal processing means 3 in the first buffer memory 5. Program accumulating means, 6 is a reserved program inputting means for inputting a reserved program, 7 is a character program reserving means for reserving the inputted program by the reserved program input means 6, and 8 is a character program reserved by the character program reserving means 7. The character data of is stored in the second buffer memory 9 and at the same time,
Reserved program storage means for recording the channel number, magazine number, program number, and page number of the reserved program in the third buffer memory 10, and 11 is a request to present a list of character programs reserved by the character program reservation means 7. A list for presenting a list, and 12 for creating a list of reservations are obtained by the list presentation requesting unit 11 by extracting necessary data from the data recorded in the third buffer memory 10 by the reserved program storage unit 8. Table creating means, 13 is character data of the first buffer memory 5 accumulated by the character program accumulating means 4,
Second buffer memory 9 stored by reserved program storage means 8
Is a display control means for displaying the character data and the reservation list created by the list creation means on the display.

[0004]

However, in the teletext receiver having the above-mentioned configuration, the contents program is displayed in order to confirm whether the program being searched is reserved while displaying the contents program. There is a problem that the operation is troublesome because it is necessary to temporarily suspend the operation and display a new reservation list.

In view of the above problems, the present invention relates to a teletext receiving apparatus that can easily present a reservation status by displaying a table of contents program.

[0006]

In order to solve the above-mentioned problems, a teletext receiving apparatus of the present invention includes a teletext receiving means for receiving a teletext signal and a video signal received by the teletext receiving means. Character signal separating means for separating the character signal superimposed in the blanking period, character signal processing means for decoding the character signal separated by the character signal separating means, and character data decoded by the character signal processing means In a first buffer memory, a reserved program input means for inputting a reserved program, a character program reservation means for making a reservation for the inputted program by the reserved program input means, and the character program The character data of the program reserved by the reservation means is accumulated in the second buffer memory, and at the same time, the channel number, magazine number, program number and page number are stored in the second buffer memory. A reserved program storing means for recording the buffer memory, and a list presentation request means for presenting request for a list of text-based program was carried out reservation by the character program reservation means, in response to a request from the list presentation request means, List creation means for creating a reservation list by extracting data required for the reservation list from the data recorded in the third buffer memory by the reserved program storage means, and the first buffer memory stored by the character program storage means. , And a program number detecting means for detecting a program number from the character data of the second buffer memory accumulated by the reserved program accumulating means, and if the program number detecting means detects the program number, it is recognized as a table-of-contents program. And a cursor display unit for displaying a cursor at the position of the program number of the index program recognized by the index program recognition unit, Cursor moving means for moving the cursor displayed by the cursor displaying means at the position of the program number of the index program recognized by the program recognizing means in program number units, and the third buffer memory recorded by the reserved program accumulating means. Reserved program information, the reserved program determining means for determining whether the program number detected by the program number detecting means, or the program number at the cursor position moved by the cursor moving means match, and the reserved program determining means. However, if it is determined that the program number detected by the program number detecting means or the program number at the cursor position moved by the cursor moving means is the program number of the reserved program, the shape of the cursor is different from the ordinary one. A program which the cursor shape converting means for converting into a program and the reserved program judging means detects by the program number detecting means When it is determined that the number is the program number of the reserved program, mark display means for displaying a mark at the position of the program number of the table-of-contents program recognized by the table-of-contents program recognizing means and the first program stored by the character program storage means. Display on the display the data obtained by combining the character data of the first buffer memory with the cursor and the mark, the character data of the second buffer memory accumulated by the reserved program accumulating unit, and the reservation list created by the list creating unit. Display control means for

[0007]

With the above-described structure, the present invention treats a character program including a program number in the character data as a table-of-contents program, displays a cursor at the position of the program number of the table-of-contents program, and the program number in the character data is a reserved program. By distinguishing the shape of the cursor when it matches the program number and when it does not match, it is possible to present the reservation status of the character program of the program number indicated by the cursor. It is also possible to present the reservation status by displaying the table of contents program by marking the program number position of the reserved program of the table of contents program.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A teletext receiver according to an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram of a teletext receiver according to an embodiment of the present invention. In FIG. 1, parts having the same functions as those in FIG. 2 showing the conventional example are designated by the same reference numerals.

In FIG. 1, a is a television video signal,
Reference numeral 1 is a tuner for receiving a character broadcast, 2 is a character signal transmitted by superimposing the video signal a received by the tuner 1 on the 14th, 15th, 16th, and 21th vertical blanking periods. A character signal separating means 3, a character signal processing means for decoding the character signal separated by the character signal separating means 2, and a character 4 for storing the character data decoded by the character signal processing means 3 in the first buffer memory 5. Program storage means, 6 is a reserved program input means for inputting a reserved program by a remote controller or the like, 7 is a reserved program input means 6 for reserved character programs, and 8 is a reserved character program reservation means 7. When the character signal of the reserved character program is received, the character data is sequentially stored in the second buffer memory 9 and, at the same time, the channel number of the reserved program and the magazine Number, reserved program storing means for recording the program number and page number in the third buffer memory 10,
Reference numeral 11 is a list presentation requesting means for making a request to present a list of character programs reserved by the character program reservation means 7 by a remote controller or the like, and 12 is a list presentation requesting means 1
1, the data necessary for the reservation list from the reserved program information recorded in the third buffer memory 10 by the reserved program storage means 8, that is, the channel number corresponding to each reserved program,
A list creating means for extracting a magazine number, a program number and a page number to create a reservation list, 13 is a first buffer memory 5 stored by the character program storage means 4, and a second buffer memory is stored by the reserved program storage means 8. Program number detecting means for determining the program number when character data of 1, 2 and 3 digits plus "#" are detected in the character data of the buffer memory 9; Thirteen
When the program number is detected, the program of which the program number is detected is recognized as a table-of-contents program in addition to the table-of-contents program which is usually sent by teletext. In the recognized table-of-contents program, a cursor display means for displaying a cursor at a position next to "#" of the program number detected by the program number detecting means 13, and 16 is a table-of-contents program recognizing means by inputting a remote controller having a cross key. The cursor displayed by the cursor display means 15 at the position of the program number of the table-of-contents program recognized by the user is set to the position next to the "#" of the data in which the 1-, 2-, and 3-digit numbers that appear next plus "#" are arranged. Cursor moving means for displaying the cursor, 1
Reference numeral 7 denotes the reserved program information recorded in the third buffer memory 10 by the reserved program accumulating means 8, the program number detected by the program number detecting means 13, and the channel of the program recognized by the table of contents program recognizing means 14 as the table of contents program. Number, the data of the detected program number known from the magazine number, or the program number at the cursor position moved by the cursor moving means 16, the channel number of the table of contents program recognized by the table of contents program recognizing means 14, and the cursor position known from the magazine number. Reserved program judging means for judging whether or not the data of the program numbers match, 18 is the program number detected by the program number detecting means 13 by the reserved program judging means 17, or the program at the cursor position moved by the cursor moving means 16. If it is determined that the number is the reserved program number, the cursor will When the reserved program judging means 17 judges that the program number detected by the program number detecting means 13 is the program number of the reserved program, the cursor shape converting means for converting into a different program Using the fact that the bottom line of the displayed font is a blank line, mark display means for displaying a mark by drawing a line at the bottom line of the program number data of the table-of-contents program recognized by the table-of-contents program recognition means 14, and 20 is a character The first buffer memory 5 accumulated by the program accumulation means 4 and the second buffer memory accumulated by the reserved program accumulation means 8
Of the buffer memory 9 and the display control means for displaying the reservation list created by the list creation means 12 on the display.

The operation of the teletext receiver according to the embodiment of the present invention constructed as above will be described below.

In FIG. 1, the character signal separating means 2 superimposes characters transmitted from the video signal a received by the tuner 1 on the 14th, 15th, 16th, and 21th horizontal blanking periods. Separate the signals. The character signal processing means 3 decodes the character signal separated by the character signal separating means 2, and the character program storage means 4 stores the decoded character data in the first buffer memory 5. When a reserved program is input by the reserved program input unit 6 such as a remote controller, the text program reservation unit 7 reserves the input program. The reserved program storage means 8 is a character program reservation means 7
When the character signal of the reserved character program is received, the received character data is sequentially accumulated in the second buffer memory 9, and at the same time, the channel number of the reserved program, the magazine number,
The program number and page number are recorded in the third buffer memory 10. The program number detecting means 13 displays on the display the character data accumulated in the first buffer memory 5 accumulated by the character program accumulating means 4 and the second buffer memory 9 accumulated by the reserved program accumulating means 8. At this time, if it is determined that the data is a program number by detecting data in which 1-, 2-, and 3-digit numbers plus "#" are arranged in the character data, the table-of-contents program recognizing means 14 determines the character program whose program number is detected. Recognize it as a table of contents program. The cursor display means 15 displays the index program recognized by the index program recognition means 14,
A cursor is displayed at a position next to “#” of the program number detected by the program number detecting means 13, and the cursor moving means is operated by the input of a remote controller or the like having a cross key to move the cursor to the index program recognized by the index program recognizing means. The cursor at the position of the program number is displayed at the position next to "#" in the data in which the 1-, 2-, and 3-digit numbers appearing next plus "#" are arranged. At the time of displaying and moving the cursor, the reserved program judging means 17 knows from the program number detected by the program number detecting means 13, and the channel number and magazine number of the program recognized by the table-of-contents program recognizing means 14 as the table-of-contents program. The data of the detected program number, the program number of the cursor position moved by the cursor moving means 16, the channel number of the table-of-contents program recognized by the table-of-contents program recognizing means 14, and the program number of the cursor position known from the magazine number are reserved programs. When it is determined that the storage unit 8 matches the reserved program information recorded in the third buffer memory 10,
The cursor shape conversion means 18 converts the shape of the cursor into a shape different from a normal shape. Further, when the reserved program judging means 17 judges that the program number detected by the group number detecting means 13 is the program number of the reserved program, it is determined that the bottom line of the font used in the normal teletext is a blank line. By utilizing this, a mark is displayed by drawing a line on the bottom line of the program number data of the table-of-contents program recognized by the table-of-contents program recognition means 14.
The display control unit 20 combines the character data and the cursor and the mark stored in the first buffer memory 5 stored by the program storage unit 4 and the second buffer memory 9 stored by the reserved program storage unit 8 with each other. Display data sequentially on the display.

FIG. 2 is an example of a diagram when a marked table of contents program is displayed on the display when the cursor points to the reserved program number, and FIG. 3 shows a normal cursor and marked table of contents program on the display. It is an example of a figure when it is made to.

[0013]

As described above, according to the teletext receiving apparatus of the present invention, the program number detecting means for detecting the program number from the character data and the table of contents program when the program number detecting means detects the program number. Table of contents program recognition means for recognizing that there is,
The cursor display means for displaying a cursor at the position of the program number of the table of contents program recognized by the program recognition means, and the cursor displayed by the cursor display means at the position of the program number of the table of contents program recognized by the table of contents program recognition means Cursor moving means for moving by number and reserved program for judging whether the program number detected by the program number detecting means or the program number at the cursor position moved by the cursor moving means matches the program number of the reserved program When the judging means and the reserved program judging means judge that the program number detected by the program number detecting means or the program number at the cursor position moved by the cursor moving means is the program number of the reserved program, the shape of the cursor is changed. The program number detected by the program number detecting means by the cursor shape converting means and the reserved program judging means is the reserved program. A mark display means for displaying a mark at the position of the program number of the table-of-contents program recognized by the table-of-contents program recognition means when the program number matches, and a display for displaying on the display the data obtained by combining the character data with the cursor and the mark. By providing the control means, it is possible to easily judge the reservation status of the text program by using the table of contents program.

[Brief description of drawings]

FIG. 1 is a block diagram of a teletext receiver according to an embodiment of the present invention.

FIG. 2 is a diagram showing an example of a display screen in which a special cursor indicates a reserved program number with a mark.

FIG. 3 is a diagram showing an example of a display screen in which a normal cursor indicates a program number without a mark that is not reserved.

FIG. 4 is a block diagram of a conventional teletext receiver.

[Explanation of symbols]

a Video signal b display 1 Teletext receiving means 2-character signal separation means 3 Character signal processing means 4 Character program storage means 5 First buffer memory 6 Second buffer memory 7 Reserved program input means 8 Character program reservation means 9 Reserved program storage means 10 Third buffer memory 11 List presentation request means 12 List creation means 13 Program number detection means 14 Contents Program recognition means 15 Cursor display means 16 Cursor moving means 17 Reservation program judgment means 18 Cursor shape conversion means 19 mark display means 20 Display control means

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Claims (2)

(57) [Claims] 1. A tuner for receiving teletext, and
Within the vertical blanking period from the video signal received by the tuner
A character signal separating means for separating the superimposed character signal, and
The character signal separated by the character signal separation means is decoded.
Character signal processing means and the character signal processing means
A sentence that stores the written character data in the first buffer memory
Reserved program input means for inputting reserved programs
Means and the reserved program input means,
The text program reservation means for making reservations and the text program means are reserved.
Accumulate character data of saved programs in the second buffer memory
At the same time, channel number, magazine number, program number
Reserved number to record the number and page number in the third buffer memory
The text reserved by the group storage means and the text program reservation means
List presentation requesting means for requesting presentation of a list of character programs
And a request from the list presentation request means
About the data recorded by the program storage means in the third buffer memory
Reservation list
The list creation means for creating the
Accumulated first buffer memory, and reserved program accumulation
From the character data stored in the second buffer memory by the means
Program number detecting means for detecting a program number, and the program number
If the detection means detects the program number, it is a table of contents program
Table of contents program recognition means for recognizing
The cursor is displayed at the position of the program number of the table of contents program recognized by
The cursor display means and the character program storage means
Move the cursor to the character data in the first buffer memory
Generated data, the second data stored by the reserved program storage means.
Character data in buffer memory and means for creating the list
Display on the display the reservation list created by
The control means, the cursor moving means for moving the cursor displayed by the cursor displaying means at the position of the program number of the table-of-contents program recognized by the table-of-contents program recognizing means, and the third program recorded by the reserved program accumulating means. Reserved program determining means for determining whether the reserved program information in the buffer memory matches the program number detected by the program number detecting means or the program number at the cursor position moved by the cursor moving means, and the reserved program When the judging means judges that the program number detected by the program number detecting means or the program number at the cursor position moved by the cursor moving means is the program number of the reservation number, the cursor shape is regarded as a normal shape. Is provided with a cursor shape conversion means for converting to a different one. 2. When the reserved program judging means judges that the program number is the program number of the program number reserved program detected by the program number detecting means, a mark is placed at the position of the program number of the table of contents program recognized by the table of contents program recognizing means. 2. The teletext receiving apparatus according to claim 1 , further comprising mark display means for displaying.