JP3143275B2 - Television receiver with TELETEXT function - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for displaying the function of a transmitter key on a display screen of a television receiver having a teletext function.

[0002]

2. Description of the Related Art Teletext broadcasting is a teletext broadcasting mainly carried out in Western Europe (reference material "SPB492 TELETEXT S").
PECIFICAITION "Europian broadcasting union: 199
Published in December of 2 years). In a conventional television receiver with a TELETEXT function (receiver) (1), a FULL-LEVEL-ONE FEATURE (FLOF)
There are two types, a page simple selection means called a mode, and a mode (direct input mode) for directly inputting a numerical value of a desired page.

[0003] FLOF is a service provided by a broadcasting station for simple page selection. When the FLOF service is provided, as shown in FIG. 11, a display (1) of a receiver (1) is used. 19) On the title page of page 105 above, the fields of teletext broadcast programs [SPORT] [AAA] [BBB] [CCC] are [RED], [GREEN],
[YELLOW] and [CYAN] are displayed on the display (19) in color characters. On the other hand, as shown in FIG. 10, a [RED] key ([R] key) and a remote controller (remote control transmitter) for operation are provided.
[GREEN] key ([G] key), [YELLOW] key ([Y] key),
The color key (25) of the [CYAN] key ([C] key) is arranged, and the viewer can select the program he wants to select from the program displayed on the display (19) of the receiver (1). By pressing the color key (25) which is the same color as the character color of the field, you can see your TELETE
The XT program is selected. In the following description, the characters displayed on the panel of the remote control transmitter (2) and the characters displayed on the display screen are shown in []. In addition, color key (25)
The above four colors are adopted as the respective colors and the corresponding number classification colors on the display (19) according to services and rules. However, it is of course possible to change the colors and to make them monochrome.

As an example of the FLOF service, in FIG. 11, when selecting [SPORT] on the title page on page 105, press the [RED] key (21) on the remote control transmitter (2). I just need. FIG. 12 shows a display screen example of the result. [SPORT]
The title is recorded on page 180, and furthermore individually [BAS
Since sports names such as [EBALL] and [SOCKER] are displayed in the lower column, a color key (25) of a desired sport can be selected and pressed. As mentioned above, the service provided by the broadcasting station is FL so that the viewer can easily select the program of TELETEXT
It is an OF service.

At the time of the direct input mode, as shown in FIG.
The user either inputs a desired text page using the number key 26 (9), or increases or decreases the current page using the [UP] key (27) and the [DOWN] key (28).

Further, a conventional television receiver with a teletext function (receiver) is provided with the following eight keys as shown in FIG. 10 in order to perform operations related to teletext broadcasting.
Hereinafter, each control key will be described. The [F / L] key is
LIST] key. This key is used in FLOF mode and LI
This key is used to switch the ST mode.
TEXT page is stored, and the stored page is displayed on the display unit.
(19) A color character is displayed on the display, and the page is selected by a color key (25). The [IDX] key
Abbreviation of the [INDEX] key. This key displays the text index. The [SUB] key displays a subpage of text having a subpage. [REV] key is an abbreviation for [REVEAL] key. This key displays a hidden screen. [STR] key is an abbreviation of [STORE] key. This key stores the page set in the LIST mode. [CAN] key is an abbreviation for [CANCEL] key. This key is used when watching a television broadcast during a search in the text mode.
[SIZ] key is an abbreviation of [SIZE] key. This key enlarges or displays the upper or lower half. [HLD] key is an abbreviation for [HOLD] key. This key is used to stop when viewing a subpage that changes automatically.

[0007]

As described above, four color keys (25) for selecting a program in the FLOF mode, numerical keys (26) for the direct input mode, and [UP] and [DOWN] keys. There are 12 keys, and there are 8 control keys related to teletext. A total of 24 keys are used.
This has been an obstacle to miniaturization and cost reduction.

[0008] Remote control transmitters that require further miniaturization
(2) Since a large number of keys were arranged on the upper part, a sufficient space for displaying the functions of the keys could not be secured, so that the display was difficult to see and the operation was difficult.

Not only television receivers with a TELETEXT function, but also those which are inexpensive and whose key function display is easy to see are preferable. The present invention uses color keys (25) and [IDX]
An object of the present invention is to provide a television receiver with a teletext function that solves the above-mentioned problem by switching the function of a key.

[0010]

The television receiver with the teletext function of the present invention performs the FLOF function using the color key (25) and displays the teletext mode as in the prior art.
And a mode 2 for displaying various functions other than FLOF, such as displaying subpages and returning to TV broadcasting. The key processing means (100) of the control unit (4) includes an [R] key,
Switching means (6) for switching the function of a key to a function for mode 1 and a function for mode 2 for one or more of the [G] key, [Y] key, [C] key, and [IDX] key Setting means (7) for setting a predetermined function corresponding to the switched mode for each key, and displaying the function of the set color key (25) in each color on the display (19); When the key (25) is depressed, execution means (8) for realizing the set function is provided. In the mode 1, each color key (25) has a FLOF function, and the function is displayed on the display. (19) Displayed above, the [IDX] key has an INDEX function, and in mode 2 each color key (25)
The [IDX] key has a set predetermined function, and displays the function set to the color key (25) on the display (19).

[0011]

In the television receiver with the teletext function of the present invention, the color key (25) and the [IDX] key have a dual function of performing different functions in mode 1 and mode 2. The switching means (6) sets the current mode to mode 2 when the previous mode is mode 1, and sets the current mode to mode 1 when the previous mode is mode 2.

The setting means (7) includes a function for each mode switched by the switching means (6), for the color key (25) and the [IDX].
The function set to the key and set to the color key (25) is displayed on the display (19) by a character or symbol of the same color as each color key (25). In mode 1, color key (25) is FLOF
Set the function, and set the INDEX function to the [IDX] key. On the other hand, in the mode 2, predetermined functions are set to the color key (25) and the [IDX] key.

The execution means (8) is set by the setting means (7) when the color key (25) or the [IDX] key is pressed while the mode 1 is selected by the switching means (6). Mode 1
, The color key (25) performs the FLOF function, and the [IDX] key performs the INDEX function. Similarly, when the color key (25) and the [IDX] key are pressed in a state in which the mode 2 is selected, each key is set in the mode 2 set by the setting means (7).
Perform a predetermined function of.

[0014]

According to the present invention, each color key (25) and [I
Since the [DX] key performs a dual function differently in the mode 1 and the mode 2, the key of the function performed by the color key (25) and the [IDX] key in the mode 2 can be reduced.
Therefore, the size and cost of the remote control transmitter (2) can be reduced.

Further, since the function set in the color key (25) is displayed in characters of each color on the display (19), the viewer can select one of the functions displayed on the display (19). Since the operation can be performed by pressing the color key (25) of the same color as the desired function, the operation can be easily performed without having to look at the hard-to-see fine or abbreviated display on the remote control transmitter (2).

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings. The receiver (1) of the present invention, as shown in FIG.
The UV tuner section (12) receives a television broadcast including the TELETEXT signal, converts the television broadcast into an intermediate frequency signal, and outputs the IF.
Output to the detector (13). An IF. Detector (13) amplifies and detects the intermediate frequency signal, and sends a detection output to a video signal processor (14) and a TELETEXT processor (3). The video signal processing unit (14) converts the detected output video signal into predetermined red, green, and blue signals (RGB signals) and sends the converted signal to one end of the superposition switching unit (15). On the other hand, the TELETEXT processing unit (3) extracts required character information from the detection output, converts the character information into an RGB signal in order to match the character information with a video signal, and sends the RGB signal to the other end of the superposition switching unit (15). The superposition switching unit (15) is connected to the video signal processing unit (14)
The output from the LETEXT processing unit (3) is superimposed at the same timing, and if necessary, the video signal from the television and the character information signal, or a composite video signal thereof are selected and output to the video signal drive unit (18). I do. The video signal driver (18) amplifies the selected video signal, drives the display (19), and displays it on the display (19).

An operation unit (29) is constituted by the remote control transmitter (2) and the remote control reception unit (11) shown in FIG. An operation signal such as page setting is transmitted from the remote control transmitter (2), and the remote control receiver (11) receives the signal and transmits the signal to the controller (4). The above-described units are known except for the control unit (4), and are the same as the conventional units.

The TELETEXT processing unit (3) has a well-known T shown in FIG.
An ELETEXT decoder IC (39) was used (SAA5244A manufactured by Philips). The TELETEXT decoder IC (39)
Inputs a composite signal containing character information output from the IF detector (13) to the CVBS terminal,
A waveform is shaped in (31), a required page signal is extracted by DATA ACQUISITION (32) from the character information program transmitted periodically and repeatedly, and the extracted page signal is PA
GE MEMORY (33) and store the stored page data in TIMIN
Read by a sync signal synchronized with the composite signal of the input from NG CHAIN (36). CHARACTER GENERATOR (34)
The bit string corresponding to the character read from the AGE MEMORY (33) is converted into an RGB signal and transmitted. The setting of the page to be read and the necessary control information signal for the operation of the TELETEXT decoder IC (39) are based on the SDA, SDA of the I ² C BUS INTERFACE (35).
The control is performed by an external control unit (4) through the CL terminal. In this embodiment, the detection output from IF.
In addition to the BS terminal, both terminals SDA and SCL are connected to the control unit (4)
To send and receive information such as page settings and transmission of setting results. On the other hand, the RGB terminal is connected to the superposition switching unit (15), and outputs an RGB signal of character information of the designated page.

As shown in FIG. 2, the control unit (4) of this embodiment comprises an I / O for input from a CPU (41), a ROM (42), a RAM (42), and a remote control receiving unit (11). (44), and an I ² C BUS ADAPTER (45) which is an interface with the TELETEXT processing unit (3)
Detecting means (6), setting means (7), and executing means
(8) is stored in the ROM (42).

In this embodiment, as shown in FIG.
Key, [G] key, [Y] key, and [C] key have the FLOF function in mode 1 and [S] in mode 2 respectively.
Added functions of [UB] key, [CAN] key, [HLD] key and [REV] key. Furthermore, the [SFT] key is used as a mode switch. Therefore, when the [SFT] key is pressed in the mode 1, the mode is changed to the mode 2, and when the [SFT] key is pressed in the mode 2, the mode is switched to the mode 1.

Switching means (6) in control section (4), setting means
(7) and the execution means (8) are incorporated in the key processing routine (100) as shown in FIG. Key processing routine (10
0) is [I / O lead] (101) and [Key input? ] (102)
Then, the key input from the remote control transmitter (2) is received via the remote control receiver (11) and the I / O (44), and the key input is waited. When a key is input, the key data fetched from the I / O (44) is input to [SFT?] (103) and [Color key? In (106), the pressed key identifies the [SFT] key or the color key (25). When the [SFT] key is pressed, switching means
The mode is switched in (6), and then the color key (25) is set to a predetermined function by the setting means (7), and the set function is displayed on the display (19). If the input key is [Color key? In (106), when it is determined that the color key (25) is selected, the function of each key previously set by the setting means (7) is executed by the execution means (8).

Hereinafter, the switching means (6), the setting means (7) and the execution means (8) will be described in detail. The switching means (6) recognizes the previous mode by referring to the mode flag in [Mote # 1?] (61) as shown in FIG. In 2 sets] (62), the mode flag is set to mode 2. If the previous mode is mode 2, the mode flag is set to mode 1 in [Mote No. 1 set] (63), and the switching means is set.
The process of (6) ends.

The setting means (7) recognizes the mode newly set by the switching means (6) by referring to the mode flag, as shown in FIG. When the newly set current mode is the mode 1, in [X / 24 Data Tally] (73), the TELETEXT decoder IC (3) which is the TELETEXT processing unit (3)
9) By transferring the program message of the FLOF service of the current reception page from a predetermined packet X / 24 to a predetermined address of PAGE MEMORY (33), the function of the color key (25) in the mode 1 Is displayed on the display (19). Further, in [X / 27 Base Series] (74), the page of the program provided by the FLOF service is
Take out from predetermined packet X / 27 through (39), RAM
It is stored in (42). On the other hand, in the mode 2, in the [predetermined function transfer] (72), each color key (25) performs a predetermined function in the mode 2 by using the PAGE MEMORY () in the TELETEXT decoder IC (39). The function of the color key (25) in mode 2 is written on the display (19)
Display above. FIG. 9 shows a display screen at this time. Thus, the processing of the setting means (7) ends.

As shown in FIG. 7, when any one of the color keys (25) is pressed, the execution means (8) executes [[R] key?] (81) and [[G] key. [85], [[Y] key?] (89) and [[C] key?] (93), determine which color key (25) is pressed, and process each key. . Since each key performs the same processing operation, the case where the [R] key is pressed will be described as a representative.

When it is determined in [[R] key?] (81) that the [R] key has been pressed, the current setting mode is identified in [mode 1?] (82). If the current mode is determined to be mode 1, the process proceeds to [X / 27 red space transfer] (84). [X / 27
Red box transfer] (84), the TELE is set by the setting means (7) above.
The page of the program of the [R] key in the page data of the program in which the FLOF service is performed, which is taken in from the packet X / 27 by the TEXT decoder IC (39) and stored, is referred to by TEL.
By transferring to the page register in DATA ACQUISITION (31) of the ETEXT decoder IC (39), FLOF service
The program of the [R] key is displayed on the display (19). When the other color keys (25) are in the mode 1, the same processing is performed.

On the other hand, in [Mode 1?] (82),
When it is determined that the subpage processing is a function of the mode 2 of the [R] key in [SUB processing] (83).
The [SUB processing] (83) is the same as the conventional independent [SUB] key processing routine. Other [G] key, [Y] key and
When the [C] key is determined to be in the mode 2, the same routines as those in the related art are performed. [CANCEL processing] (87), [HOLD processing]
The function set in mode 2 by (91) and [REVEAL processing] (95) is executed. Further, in this embodiment, the function switching of the [IDX] key by changing the mode was not performed, but the setting function is not displayed on the display (19) and the function in the mode 1 is not performed. Except for the INDEX function, it goes without saying that the processing can be performed in exactly the same way as in the case of the color key (25).

The description of the above embodiments is for the purpose of illustrating the present invention, and should not be construed as limiting the invention described in the claims or reducing the scope thereof. Further, the configuration of each part of the present invention is not limited to the above-described embodiment, and it is needless to say that various modifications can be made within the technical scope described in the claims.

[Brief description of the drawings]

FIG. 1 is a block diagram of a television receiver with a teletext function of the present invention.

FIG. 2 is a block diagram of a control unit.

FIG. 3 is a block diagram of a teletext processing unit.

FIG. 4 is a processing flow of a key processing routine.

FIG. 5 is a processing flow of a switching unit.

FIG. 6 is a processing flow of a setting unit.

FIG. 7 is a processing flow of an execution unit.

FIG. 8 is a panel diagram of a remote control transmitter of the receiver of the present invention.

FIG. 9 is a display screen in a mode 2 of the receiver of the present invention.

FIG. 10 is a panel diagram of a conventional remote control transmitter of a receiver.

FIG. 11 is a display screen of the receiver when the FLOF service is being performed.

[FIG. 12] When the FLOF service is being performed, [SPOR
13 is a display screen of the receiver when [T] is selected.

[Explanation of symbols]

 (1) Television receiver with teletext function (3) Teletext processing unit (4) Control unit (6) Detection means (7) Setting means (8) Execution means (12) UV tuner section (13) IF. 14) Video signal processing unit (15) Superposition switching unit (18) Video signal drive unit (19) Display (21) [RED] key (22) [GREEN] key (23) [YELLOW] key (24) [CYAN ] Key (25) Color key (29) Operation unit

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-63-179671 (JP, A) JP-A-59-193067 (JP, U) JP-A-3-51559 (JP, U) JP-A-5-19359 53378 (JP, U) "VHS Recorder for VPT", SA NYO TECHNICAL REVI EW, Vol. 22, No. 44, pp. 3-9 (58) Fields investigated (Int. Cl. ⁷ , DB name) H04N 7/025-7/088 H04N 5/44-5/46

Claims (1)

(57) [Claims] 1. A UV tuner section (12) for receiving a television broadcast including a TELETEXT signal and converting the television broadcast to an intermediate frequency signal, and an IF. For amplifying and detecting the intermediate frequency signal.
A detection unit (13), a video signal processing unit (14) that converts a video signal of the detection output into a predetermined signal, a TELETEXT processing unit (3) that extracts a TELETEXT signal from the detection output, and outputs information of a specified page. , Video signal processing unit (14) and TELETEXT processing unit (3)
A superimposition switching unit (15) that superimposes and switches the output from the superimposing unit, a video signal driving unit (18) that amplifies the output of the superimposition switching unit (15) and drives a display (19), and a video signal driving unit (18). ), A display (19) for displaying a video signal, a remote control transmitter (2) and a remote control receiver (11) corresponding to the remote control transmitter (2) and incorporated in the television receiver. In a television receiver having a teletext function having an operation section (29) for performing setting input, the remote control transmitter (2) includes a color key (25) of a different color and a mode switching key SFT. The television receiver is further provided with switching means (6) for switching a key function between a mode 1 and a mode 2 for a plurality of color keys (25) on the remote control transmitter (2). Set a predetermined function corresponding to the selected mode to each key, and use the set color key (25). Setting means (7) for displaying the function on the display (19) in a color corresponding to the color of the color key (25), and realizing the set function when each color key (25) is pressed Execution mode (8), in mode 1, each color key (25) has a FLOF function, and displays the page switching function on the display (19); The key (25) has a set predetermined function, and the function set to the color key (25) is a display.
(19) Television receiver with TELETEXT function displayed above .