JPH10173610A - Information transmitter and receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To save the labor of a user for receiving local character information by adding spot station identification information, including the frequency and position information of a spot broadcasting station for transmitting local character information to wide area character information, and transmitting it. SOLUTION: A transmitting device is provided with an FM station 3a for transmitting wide-band character information, such as weather information and a spot FM broadcasting station 3b for transmitting information such as the caution display of a specific place and the advertisement of a specific shop being local character information. The spot station identification, including the frequency and position information of the spot broadcasting station 3b, is added to the text of the wide-area character information transmitted from the FM station 3a by the identification information adding means of the FM station 3a. A code, indicating that a page is the identification information page of the spot station, is added to the header of the page to which the identification information is added. Then, the local character information is received from the spot broadcasting station 3b, based on the spot local identification information and present position information by a receiver 2.

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, graphic information, and the like using radio waves such as FM teletext broadcasting, and an information receiving apparatus for receiving and displaying the transmitted information.

[0002]

2. Description of the Related Art Conventionally, in text multiplex broadcasting using FM radio waves or the like, information transmitted from an information transmitting apparatus is defined as one screen composed of a fixed format (for example, three lines of 15 characters per line). Are set, and one program is composed of a plurality of pages. In this case, the first line of the above-mentioned page is used as a header for displaying a source of information, etc., as 2,
The third line is used as a text for displaying the content of the information.

[0003] The information to be transmitted includes wide-area character information such as traffic information and weather information generally used in a wide range of several tens of kilometers, and living information used only in a narrow area of several tens of meters in radius. , There is local character information such as specific store information. A broadcasting station that broadcasts local text information having a radius of about several tens of meters is usually called a spot broadcasting station.

[0004]

However, in order to receive the above-mentioned local character information with the conventional information receiving apparatus, the user checks the receiving area and frequency of the spot broadcast station from a program table or the like, and also checks the current location. It is necessary to determine from the map, the sign, etc. whether or not the reception area is within the reception area of the spot broadcast station, and tune to the frequency of the spot broadcast station, which has the problem that it takes time and effort.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and provides an information transmitting apparatus and an information receiving apparatus which can reduce a user's trouble in receiving local character information from a spot broadcasting station. Is an issue.

[0006]

As shown in FIG. 10, according to the first aspect of the present invention, there is provided an information transmitting apparatus 3 for transmitting wide-area character information to an external information receiving apparatus 2 using radio waves such as teletext broadcasting. In addition, the identification information addition which adds the spot station identification information including the frequency and the position information of the spot broadcasting station which transmits the local character information to the external information receiving device 2 using radio waves such as teletext broadcasting to the wide area character information Means 50 and transmitting means 5 for transmitting the wide area character information to which the identification information is added.
1 is provided.

According to a second aspect of the present invention, in the information receiving apparatus 2 for receiving character information transmitted from the information transmitting apparatus 3 using radio waves such as teletext broadcasting, the wide area character information and the regional character information are received. Receiving means 52 and receiving means 5
Display means 53 for displaying the wide-area character information and the local character information received by the second station 2; and when the wide-area character information is added with spot station identification information including the frequency and position information of the spot broadcast station, the identification is performed. The receiving means 5 based on the information and the current position information from the current position detecting means 54.
2 is provided with a reception control means 55 for receiving local character information from the spot broadcasting station.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIGS. 1 to 9 are diagrams for explaining an information transmitting apparatus and an information receiving apparatus according to an embodiment of the present invention. FIGS.
6 to 6 are diagrams showing examples of character information transmitted from the transmission device, FIG. 7 is a schematic diagram of a visible radio as a specific example of the reception device, and FIG. 8 is a block diagram showing a configuration of the reception device. 9 is a flowchart for explaining the operation of the receiving apparatus.

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

[0010] As shown in FIG.
An FM station 3a that transmits wide-area character information such as weather information that is generally used in a wide range, and an attention display of a specific place that is generally local character information that is used in a narrow range, such as notification of a specific store, etc. There is a spot FM broadcast station 3b for transmitting information (see the display example in FIG. 2).

The character information transmitted from the transmitting device 3 has the format shown in FIG. 3, 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.

As shown in FIGS. 4 to 6, the text of the wide area character information transmitted from the FM station 3a includes spot station identification information including the frequency and position information of the spot broadcast station 3b. It is added by the identification information adding means of the FM station 3a. A code 8a indicating that the page is a spot station identification information page is added to the header of the page to which the identification information is added.

The receiving apparatus 2 for receiving the wide area text information from the FM station 3a and the local text information from the spot FM broadcasting station 3b is specifically a text broadcasting dedicated receiving apparatus (for example, a visible radio) shown in FIG. The visible radio 2 includes a display 6 which functions as a display unit for displaying the received character information.

The display 6 has display units 6a to 6c for displaying the character information in three lines, and the display position, display time, and the like of the character information on the display 6 can be arbitrarily changed. I have.

The receiving device 2 includes operation function keys (preset switches) F1 to F7 (representative code 1).
1), a direction key (cursor key) 12 for moving a cursor, and the like, and an operation confirmation key 13.

As shown in FIG. 8, the receiving device 2 includes a receiving means including an antenna 16 and a tuner 18 for receiving the teletext signal transmitted from the transmitting device 3, and A demodulation unit 19 for demodulating FM multiplexed data, and a CPU for performing display control and the like on the display 6
20.

The CPU 20 has a storage device RO
M23 and RAM 24 are connected to input and output predetermined data such as the received character information and control program.

The CPU 20 is connected to an audio converter 26 for converting the received character information into an audio signal, and the audio signal is output from the speaker 28 via an amplifier (amplifier) 27. It has become.

The CPU 20 is connected with a GPS and a navigation 31 as current position detecting means via an I / F 30. The CPU 20 is connected to the GPS
And the like, and the spot station identification information including the frequency and position information of the spot station 3b in the received wide area character information.
Functions as a reception control unit for causing the tuner unit 18 to receive the broadcast from.

Next, the operation of the receiving apparatus 2 of the present embodiment will be described with reference to the flowchart of FIG.

When a predetermined frequency such as "FM Osaka" or the like is selected and tuned by the tuner 18 as the FM station 3a for broadcasting wide-range character information, and a predetermined program is selected and displayed from a menu, When spot station identification information including the frequency and position information of the spot broadcast station 3b is added to the character information of the received program, the current position detected by the GPS and the navigation 31 is read (steps S1 to S4).

If the read current position is within the receiving area of the spot broadcasting station 3b, the tuner 18 is tuned to the frequency of the spot broadcasting station 3b, and the menu of the local character information program from the spot broadcasting station 3b is displayed. It is displayed (steps S5 to S7). Note that whether or not the reception area is within the reception area is determined based on, for example, whether or not the current position is within a range of a radius of 100 m around the spot broadcasting station 3b. And the current position is the above-mentioned spot broadcast station 3
b, the spot broadcasting station 3b
(Steps S8 to S9).

It should be noted that it may be possible to select that the broadcast from the spot station is not to be received even within the reception area of the spot broadcast station 3b.

As described above, the FM station 3a transmits the wide area character information by adding the spot station identification information including the frequency and position information of the spot broadcast station 3b transmitting the area character information, and transmits the wide area character information. In the above, the local character information is received from the spot broadcast station 3b based on the spot station identification information and the current position information, so that it is possible to reduce the user's labor required for receiving the local character information.

[0025]

As described above, in the information transmitting apparatus according to the first aspect of the present invention, the spot character identification information including the frequency and position information of the spot broadcasting station transmitting the local character information is added to the wide area character information. In the information receiving apparatus according to the second aspect of the present invention, the local character information from the spot broadcasting station is received and displayed based on the spot station identification information added to the wide area character information and the current position information. As a result, there is an effect that the user's trouble in receiving the local character information can be reduced.

[Brief description of the drawings]

FIG. 1 is an overall 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 an overall 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. 3 is a diagram illustrating an example of character information transmitted from the transmission device.

FIG. 4 is a diagram showing an example of character information transmitted from the transmission device.

FIG. 5 is a diagram showing an example of character information transmitted from the transmission device.

FIG. 6 is a diagram illustrating an example of character information transmitted from the transmission device.

FIG. 7 is a schematic diagram of a radio that can be seen as a specific example of the receiving device.

FIG. 8 is a block diagram illustrating a configuration of the receiving device.

FIG. 9 is a flowchart for explaining the operation of the receiving apparatus.

FIG. 10 is a diagram showing the configuration of the claims of the present invention.

[Explanation of symbols]

 Reference Signs List 2 information receiving device 3 information transmitting device 50 identification information adding unit 51 transmitting unit 52 receiving unit 53 display unit 54 current position detecting unit 55 reception controlling unit

Claims (2)

[Claims] 1. An information transmitting apparatus for transmitting wide-area character information to an external information receiving apparatus using radio waves such as teletext broadcasting, and receiving local text information using radio waves such as teletext broadcasting. An identification information adding unit for adding spot station identification information including frequency and position information of a spot broadcast station to be transmitted to the apparatus to the wide-area character information, and a transmission unit for transmitting the wide-area character information to which the identification information is added. An information transmission device, characterized in that: 2. An information receiving apparatus for receiving and displaying character information transmitted from an information transmitting apparatus by using radio waves such as teletext broadcasting, a receiving means for receiving the wide-area character information and the regional character information, Display means for displaying the wide area character information and the area character information received by the receiving means,
When spot station identification information including the frequency and position information of the spot broadcast station is added to the wide-area character information, the spot broadcast is transmitted to the reception unit based on the identification information and the current position information from the current position detection unit. An information receiving apparatus, comprising: reception control means for receiving local character information from a station.