JPH1041902A - Information transmitter and information receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily discriminate to which kind displayed information belongs by adding a type code to identify a type of a set information content for each selection item to a header of a content page and sending the resulting information. SOLUTION: The information transmitter 3 uses a radio wave of a teletext multiplex broadcast to send teletext information to an external receiver 2. Then a type code addition means 50 adds a type code identifying a type of an information content set for each selection item to a header of a content page in the teletext information consisting of a pseudo menu page having choices for selecting information and content pages corresponding to each choice of the pseudo menu page and each page consisting of a header to display an information sender or the like and a main text displaying the information content. Furthermore, a transmission means 51 sends the teletext information to which the type code is added. Thus, the header part is effectively utilized and the information display control is easily coped with.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information transmitting apparatus for transmitting character information using radio waves such as FM teletext, and an information receiving apparatus for receiving and displaying the transmitted character information.

[0002]

2. Description of the Related Art Conventionally, in text multiplex broadcasting using FM radio waves or the like, there is a so-called "visible radio", for example. In the information transmitted in the teletext broadcasting, one screen in a fixed format (for example, three lines with 15 characters per line) is set as one page, and one program is composed of a plurality of pages. You. In this case, 1 of the above page
The second line is a header indicating the source of information, etc.
The line is used as a text displaying the content of the information.

In such a transmitting and receiving apparatus relating to teletext, the applicant of the present application provides a menu page and an information page in a program, adds a predetermined control code to a header, transmits information, and transmits the information. Based on the control code of the menu, the side has filed a pseudo-menu process for retrieving predetermined contents from an information page and a control process such as automatic storage in a memory. No. 08-027041).

[0004]

However, in an information transmitting / receiving apparatus for controlling the display of information by adding a control code to the header, when the header is displayed in the receiving apparatus, the control code is not transmitted. There is a problem that information is displayed as meaningless characters.

[0005] In addition, there is a problem that the above-described menu processing, automatic storage of information, and the like cannot be performed by a receiving apparatus that does not support the predetermined control code.

The present invention has been made in view of the above problems, and has as its object to provide an information transmitting apparatus and an information receiving apparatus which can effectively utilize a header portion and can easily cope with information display control. I have.

[0007]

As shown in FIG. 24, according to the first aspect of the present invention, an information transmitting apparatus 3 for transmitting text information to an external receiving apparatus 2 by using a radio wave of a text multiplex broadcast is provided. And a content page corresponding to each selection item of the pseudo menu page. Each page includes a header that displays a source of information and a text that displays the content of information. Type code adding means 50 for adding a type code for identifying the type of information content set for each of the selection items to the header of the content page of the configured character information, and the character information to which the type code is added And transmitting means 51 for transmitting the information.

According to a second aspect of the present invention, in the first aspect, the type code adding means 50 matches the first character or symbol of the type code with the character or symbol added to each selection item on the pseudo menu page. It is characterized by:

According to a third aspect of the present invention, in the first or second aspect, the content page of the selection item includes a plurality of pages, and a page symbol indicating a page number for each selection item is added to a header of the content page. Page symbol adding means 5
3, wherein the transmitting means 51 transmits the character information to which the page symbol is added.

According to a fourth aspect of the present invention, there is provided an event page according to any one of the first to third aspects, wherein the various types of codes are associated with event codes for specifying facilities or the like related to the information content of the type codes. There is provided a specific code adding means 52 for adding a specific code indicating the event page to the header, and the transmitting means 51 transmits character information to which the specific code is added.

According to a fifth aspect of the present invention, there is provided an information receiving apparatus for receiving and displaying character information transmitted from an external transmitting apparatus using radio waves of teletext broadcasting, and receiving the transmitted character information. The receiving means 54, the display means 55 for displaying the received character information, and the received character information include a type code for identifying the type of information content and a page symbol indicating a page number of the information composed of a plurality of pages. And a display control means 56 for displaying the type code and the page symbol on the display means 55 when performing the operation.

According to a sixth aspect of the present invention, in the fifth aspect, when the specific code is present in the received character information, the display control means 56 displays a page having the specific code only when the vehicle is stopped. It is characterized by restriction.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 to 23 are views for explaining an information transmitting apparatus and an information receiving apparatus according to an embodiment of the present invention. FIG. 1 is a configuration diagram of a broadcasting apparatus including the transmitting and receiving apparatuses, and FIG. FIG. 3 is a block diagram showing a configuration of the receiving apparatus, FIGS. 4 to 9 are diagrams for explaining information displayed on the receiving apparatus, and FIGS.
FIG. 23 is a diagram showing an example of information displayed on the receiving device.

In FIG. 1, reference numeral 1 denotes a broadcasting device for performing text multiplex broadcasting by FM broadcasting.
A receiving device 2 for receiving and displaying character information, a transmitting device 3 for wirelessly transmitting information to the receiving device 2, and an input device 5 for inputting traffic information and the like to the transmitting device 3 through a telephone line 4 or the like. Have.

The receiving device 2 has a display 6 as a display for displaying the received character information. The display 6 is a display unit 7 for displaying a header 8 and a body 9 in three lines.
a to 7b, and the display page, display position, display time, and the like on the display 6 can be arbitrarily changed. The receiving device 2 includes an operation function key 11, a direction key (cursor key) 12 for moving a cursor, etc., an operation confirmation key 13, and a speaker 28 for outputting an audio signal.

As shown in FIG. 3, the receiving apparatus 2 includes an antenna 16 and a tuner (receiving means) 18 for receiving the teletext signal transmitted from the transmitting apparatus 3, and an FM multiplexing unit based on the received signal. Demodulation unit 19 for demodulating data
And a CPU (display) for performing reception control by the tuner 18 and display control based on a type code for identifying the type of information content, a page symbol indicating a page number of the information, and an event code for specifying a facility or the like related to the information content. Control means) 2
0.

The CPU 20 is connected with an I / F 21 for connecting an external device to the receiving device 2 and an IC card 22, a ROM 23, and a RAM 24 as storage devices, for inputting and outputting predetermined data. Will be Also, an audio conversion unit 26 for converting the received character information into an audio signal is connected, and the audio signal is output from a speaker 28 via an amplifier (amplifier) 27.

The character information transmitted from the transmitting device 3 has a format shown in FIG. 4, and is composed of a header 8 for displaying a source of the information and a text 9 for displaying the content of the information. The screen is one page, and one program is composed of a plurality of pages. FIG. 4 shows a main menu of transmission information of the broadcasting station. Also, one program is
A pseudo menu page having selection items for selecting information and a content page corresponding to each selection item of the pseudo menu page are provided.

The transmitting device 3 includes a type code adding means for adding a type code for identifying a type of information content set for each of the selection items to a header of the content page, and a plurality of content pages of the selection item. At one time, there is provided a page symbol adding means for adding a page symbol indicating a page number for each selection item to the header of the content page.

The program includes an event page for displaying the various codes and event codes for setting facilities and the like related to the information content of the type codes in association with each other. Then, a specific code indicating that the page is an event page is added by the specific code adding unit of the transmitting device 3, and the character information to which the specific code, the type code, and the page symbol are added is transmitted to the receiving device 2 by the transmitting unit. Is done.

The header 8 is composed of 31 bytes of data as shown in FIG. 5, and the source (broadcasting station name) of the information is recorded in the first to 15th bytes.

In the 16th to 26th bytes, a character string for program identification for identifying the contents of the information is recorded. In this case, the content of the text is "Drive Information"
Therefore, any of the five character strings shown in FIG. 6 is added as the program identification character string.

In the 27th to 30th bytes, an index code to which the specific code, the type code, and the page symbol are added is recorded.

The index code is set according to the rules shown in FIG. Specifically, when the content (attribute) of the body of the page is a program title or a notification from a broadcast station, a four-character space (“space”) is added as the index code.

When the content (attribute) of the body of the page is a submenu (pseudo menu) for the main menu, "MENU" is added as the index code.

The contents (attributes) of the body of the page
Is the information content of the program selected on the menu page, the first character (leftmost) from the left of the above index code is added with a selection item of an alphabet character designating the program on the menu page. In this case, alphabetic characters other than “space” and “M” are used as the selection items.

The contents (attributes) of the body of the page
Is the title of the program, "-" is related to the same object (event, facility, etc.) as the information content of the other pages. Each is added to the second character.

Further, the contents (attributes) of the body of the page
Is "s" when writing to the storage device on the receiving device side is specified, and "space" is specified when writing to the storage device is not specified. Added to the eyes.

The contents (attributes) of the body of the page
Is "(numeral)" indicating the number of remaining information pages when the information is a part of information over a plurality of pages, and "*" or "0" when the information is the first page. It is added to the character.

On the other hand, in the last page of the program, a telephone number which is an event code for specifying an event, facility, etc. relating to the information content of the program is recorded. The header of the last page is as shown in FIG. The information source (broadcasting station name) is recorded in the 1st to 18th bytes, the character string for program identification is recorded in the 19th to 28th bytes, and the version of the telephone number is recorded in the 29th and 30th bytes. It should be noted that three character strings shown in FIG. 9 are added to the program identification character string on the last page.

Next, the operation of the receiving apparatus 2 of the present embodiment will be described. In the receiving device 2, when the information shown in FIGS. 10 to 23 transmitted from the transmitting device 3 is received, a predetermined program is read from the IC card 22, the ROM 23, and the RAM 24, and a predetermined key operation or the like is performed. The display control of the information is performed based on the header information of the received information, and the character information is displayed on the display 6. The character information data is converted into an audio signal by the converter 26, and is output from the speaker 28 as audio.

In the character information shown in FIG. 10, since the program identification character string is "D-INFO:" and the search code is four space characters from the header 8, the content of the body is the drive information. Is determined to be the notification information from the broadcasting station indicating the program title.

In the character information shown in FIG. 11, since the character string for program identification is “D-INFO:” and the search code is “MENU” from the header 8, the contents of the body are the program information of the drive information. Are determined to be submenus (pseudo menus) within.

In the above submenu, when "F" indicating "this week's special feature" is selected from the selection items "F, R, E, D" added to each information name, this selection item is added to the search code in the header. A page with "F" is searched from the received information, and the information content of the selected "special feature of the week" is displayed as shown in FIG.

In the character information shown in FIG. 12, since the character string for program identification is “D-INFO:” and the search code is “F-0” from the header 8, the user can enter This is the title page of the sub-program displayed by selecting "F" in the sub-menu of the drive information, that is, the first page of information for each event provided in the sub-program, and is not automatically stored in the receiving device 2. Can be recognized.

In the character information shown in FIG. 13, since the character string for program identification is “D-INFO:” and the search code is “F1 *” from the header 8, the contents of the body are This is the first page of the first event information of the sub-program for which “F” of the sub-menu is selected, and it is determined that the receiving apparatus 2 does not automatically store the information.

In the character information shown in FIG. 14, since the program identification character string is "D-INFO:" and the search code is "F11" from the header 8, the content of the body is the drive information. In the first event information of the sub-program for which “F” of the sub-menu is selected, the number of remaining pages is 1, and it is determined that the receiving device 2 does not automatically store.

In the character information shown in FIG. 15, since the program identification character string is "D-INFO:" and the search code is "F10" from the header 8, the content of the body is the drive information. This is the first event information of the sub-program for which “F” of the sub-menu is selected, the number of remaining pages is 0, and it is determined that the receiving device 2 does not perform automatic storage.

In the character information shown in FIG. 16, since the program identification character string is "D-INFO:" and the search code is "F2 *" from the header 8, the content of the body is the drive information. This is the first page of the second event information of the subprogram for which “F” of the submenu is selected, and it is determined that the receiving device 2 does not automatically store the information.

In the character information shown in FIG. 17, since the character string for program identification is “D-INFO:” and the search code is “F22” from the header 8, the content of the body is the drive information. In the second event information of the sub-program for which “F” of the sub-menu is selected, the number of remaining pages is 2, and it is determined that the receiving device 2 does not perform automatic storage.

When "R" is selected in the submenu shown in FIG. 11, similarly to the above, information having this selection item "R" in the search code of the header is searched from the received information, and as shown in FIG. The information content of the selected “recommended restaurant” is displayed.

In the character information shown in FIG. 18, since the character string for program identification is “D-INFO:” and the search code is “R-0” from the header 8, the content of the body is the drive information. Is the title page of the subprogram for which “R” is selected from the submenu, and is the first page of information for each event provided in the subprogram, and it is determined that the receiving apparatus 2 does not automatically store the information.

In the character information shown in FIG. 19, from the header 8, the program identification character string is "D-INFO:" and the search code is "R1 *". This is the first page of the first event information of the sub-program for which “R” in the sub-menu is selected, and it is determined that the receiving device 2 does not automatically store the information.

In the character information shown in FIG. 20, since the character string for program identification is “D-INFO:” and the search code is “R11” from the header 8, the contents of the body are This is the first event information of the sub-program for which “R” of the sub-menu is selected, the number of remaining pages is 1, and it is determined that the receiving device 2 does not automatically store.

In the character information shown in FIG. 21, since the program identification character string is "D-INFO:" and the search code is "R2 *" from the header 8, the content of the body is the drive information. This is the first page of the second event information of the sub-program for which “R” in the sub-menu is selected, and it is determined that the receiving apparatus 2 does not automatically store the information.

In the character information shown in FIGS. 22 and 23, since the character string for program identification is "NaviCode" from the header 8, the content of the text contains a specific code for specifying a facility related to the information content. This is the last page of the current program, and it is determined that the version is “00”.

As described above, the type code corresponding to the selection item in the submenu page is added to the header in the content page. Therefore, the content page having the type code selected in the submenu page is searched from the received information to select the content page. Program contents can be easily displayed. In addition, it is possible to easily determine which item on the submenu page the information displayed on the content page corresponds to, and it is possible to improve user convenience. That is, the user can easily understand the meaning of the control code displayed in the header of the content page.

Also, since a telephone number indicating the contact information of the facility or the like relating to the information content is added to the last page of the program, the display of the telephone number is limited to only when the vehicle is stopped. be able to.

Also, since a page symbol indicating a page is added to the header of the information composed of a plurality of pages, the number of undisplayed information pages related to the information content being displayed can be confirmed by displaying the header, and the information is missed. Can be prevented.

[0050]

As described above, the information transmitting apparatus according to the first aspect of the present invention transmits information by adding the type code for identifying the type of information content set for each selection item to the header of the content page. According to the fifth aspect of the present invention, since the type code is displayed on the receiving device side, there is an effect that the user can easily determine which type the displayed information belongs to.

In the information transmitting apparatus according to the second aspect of the present invention,
The first character or symbol of the type code is matched with the character or symbol added to each selection item on the pseudo menu page, and in the invention of claim 5, these type codes are displayed. There is an effect that the information content selected on the pseudo menu page can be searched from the type code, and the user can more easily determine the type of the displayed information.

In the information transmitting apparatus according to the third aspect of the present invention,
Content of information composed of multiple pages A page symbol is added to the header of each page for each selection item, and the information is transmitted.
According to the fifth aspect of the present invention, the page symbol is displayed, so that the receiving device can recognize the number of remaining pages of information based on the page symbol.

In the information transmitting apparatus according to the fourth aspect of the present invention,
Since an event page that specifies an event code specifying a facility related to the information content and a type code are displayed in association with a specific code indicating that the page is an event page, information is transmitted. Thus, there is an effect that, for example, display or non-display of the event page can be controlled in accordance with the use status or the like based on the specific code. For example, as in the information receiving apparatus according to the sixth aspect of the present invention, it is possible to perform control such that display of a page having a specific code is restricted only when the vehicle is stopped, and the information content can be notified more reliably. There is.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a broadcasting device including an information transmitting device and an information receiving device according to an embodiment of the present invention.

FIG. 2 is a schematic diagram showing a specific example of the receiving device.

FIG. 3 is a block diagram illustrating a configuration of the receiving device.

FIG. 4 is a diagram for explaining information displayed on the receiving device.

FIG. 5 is a diagram for explaining information displayed on the receiving device.

FIG. 6 is a diagram for explaining information displayed on the receiving device.

FIG. 7 is a diagram for explaining information displayed on the receiving device.

FIG. 8 is a diagram for explaining information displayed on the receiving device.

FIG. 9 is a diagram for explaining information displayed on the receiving device.

FIG. 10 is a diagram showing an example of information displayed on the receiving device.

FIG. 11 is a diagram showing an example of information displayed on the receiving device.

FIG. 12 is a diagram showing an example of information displayed on the receiving device.

FIG. 13 is a diagram showing an example of information displayed on the receiving device.

FIG. 14 is a diagram showing an example of information displayed on the receiving device.

FIG. 15 is a diagram showing an example of information displayed on the receiving device.

FIG. 16 is a diagram showing an example of information displayed on the receiving device.

FIG. 17 is a diagram showing an example of information displayed on the receiving device.

FIG. 18 is a diagram illustrating an example of information displayed on the receiving device.

FIG. 19 is a diagram showing an example of information displayed on the receiving device.

FIG. 20 is a diagram showing an example of information displayed on the receiving device.

FIG. 21 is a diagram showing an example of information displayed on the receiving device.

FIG. 22 is a diagram showing an example of information displayed on the receiving device.

FIG. 23 is a diagram illustrating an example of information displayed on the receiving device.

FIG. 24 is a diagram illustrating the configuration of the claims of the present invention.

[Explanation of symbols]

 Reference Signs List 2 information receiving device 3 information transmitting device 50 type code adding means 51 transmitting means 52 specific code adding means 53 page symbol adding means 54 receiving means 55 display means 56 display control means

Claims (6)

[Claims] 1. An information transmitting apparatus for transmitting character information to an external receiving apparatus using a radio wave of a text multiplex broadcast, wherein a pseudo menu page having selection items for selecting information and each of the pseudo menu page selection items are provided. It consists of corresponding content pages, and each page is set for each of the above selection items in the header of the above content page of character information composed of a header indicating the source of information etc. and a text displaying the content of information An information transmitting apparatus comprising: a type code adding unit that adds a type code for identifying a type of the information content that has been input; and a transmitting unit that transmits character information to which the type code is added. 2. The information according to claim 1, wherein the type code adding means matches the first character or symbol of the type code with the character or symbol added to each selection item of the pseudo menu page. Transmission device. 3. The page symbol adding unit according to claim 1, wherein the content page of the selection item is composed of a plurality of pages, and a page symbol indicating a page number for each selection item is added to a header of the content page. An information transmitting apparatus, wherein the transmitting means transmits the character information to which the page symbol is added. 4. An event page header according to claim 1, wherein said various types of codes are associated with an event code for specifying a facility or the like relating to the information content of said type codes. An information transmitting apparatus, comprising: a specific code adding unit that adds a specific code indicating that the specific code is transmitted, wherein the transmitting unit transmits character information to which the specific code is added. 5. An information receiving apparatus for receiving and displaying character information transmitted from an external transmitting apparatus using a radio wave of a text multiplex broadcast, a receiving means for receiving the transmitted character information, Display means for displaying character information;
When the received character information includes a type code for identifying the type of the information content and a page symbol indicating a page number of the information composed of a plurality of pages, display control for displaying the type code and the page symbol on the display means. And an information receiving device. 6. The display control device according to claim 5, wherein when the specific code is present in the received character information, the display control means limits display of a page having the specific code only when the vehicle is stopped. Information receiving device.