JPH10163903A - Information reception device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To more securely receive a broadcast station which is receivable in the relevant area during movement by identifying the broadcast station which is receivable in a present position based on stored broadcast data and the detected present position and displaying broadcast station data only on the broadcast station which is receivable. SOLUTION: A reception device 2 is provided with a reception means constituted of an antenna 16 and a tuner 18, a demodulation part 19 and CPU 20 executing reception control by the tuner 18 and display control on information to a display unit 6. CD-ROM storing prescribed data designating the broadcast station and a memory card 30 are connected to CPU 20. Prescribed broadcast station data is read. A GPS receiver 32 detecting the present position and a GPS antenna 33 are connected to CPU 20, and the present position is obtained by them. Then, CPU 20 identifies the broadcast station at the present position and displays the broadcasting station data on the display unit 6 based on the obtained present position and stored broadcast station data.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information receiving apparatus for receiving information transmitted from a broadcasting station using radio waves such as text multiplex broadcasting.

[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 transmission information includes wide area information such as traffic information and weather information generally used in a wide range, and a radius of several tens of meters.
There are local information such as living information and specific store information that are used only in small areas.

On the other hand, a receiving device mounted on a vehicle or the like to receive the information includes a list in which data such as a transmission frequency and a receivable area for each broadcasting station is recorded for each region, and a user designates a region. After that, some have a function of selecting and tuning to a desired broadcast station from a displayed broadcast station list.

[0005]

However, in the above-described conventional information receiving apparatus, the user determines whether the current position is within the receivable area recorded in the broadcast station data based on a sign, a map, or the like. Therefore, when a predetermined station is selected from a list of broadcast station data, there is a problem that whether or not it is actually receivable cannot be determined unless reception is performed.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and has as its object to provide an information receiving apparatus capable of more reliably receiving a broadcast station that can be received in a relevant area while moving. I have.

[0007]

As shown in FIG. 10, according to the first aspect of the present invention, there is provided an information receiving apparatus 2 for receiving information transmitted from a broadcasting station 3 using radio waves such as teletext broadcasting. A receiving unit 50 for receiving the information, a display unit 51 for displaying the received information, a broadcast station data storage unit 52 for storing data for reception such as a broadcast station name, a frequency, and a receivable area; A current position acquiring means 53 for acquiring a current position, a broadcast station that can be received at the current time based on the stored broadcast station data and the acquired current position, or a broadcast of only a receivable broadcast station. Broadcast station list display means 54 for displaying station data.

According to a second aspect of the present invention, in the first aspect, the broadcast station data storage means 52 stores the position of the broadcast station and the shape of the receivable area as data indicating the receivable area.
It is characterized by storing the size.

According to a third aspect of the present invention, in the first aspect, a reservation means 58 for reserving selection of a broadcasting station that cannot be received at the current position when moving to the receivable area, and receiving the reserved broadcasting station And a reception control unit 55 for causing the reception unit 50 to receive the data when it becomes possible.

According to a fourth aspect of the present invention, in the first aspect, desired station registration means 59 for registering a plurality of desired broadcast stations with priorities, and selecting a predetermined broadcast station in accordance with a preset priority. And a receiving control means 56 for receiving by the receiving means 50.

A fifth aspect of the present invention is characterized in that, in the third and fourth aspects, a change confirmation means 57 is provided for requesting an instruction as to whether or not a change can be made before the change of the receiving broadcast station.

[0012]

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 receiving apparatus according to an embodiment of the present invention. FIG. 1 is an overall configuration diagram of a text multiplex broadcasting apparatus including the receiving apparatus, and FIG. FIG. 3 is a schematic diagram of an example, FIG. 3 is a diagram showing an example of character information transmitted by the broadcasting device, FIG. 4 is a block diagram showing a configuration of the receiving device, and FIG. 5 is an example of data stored in the receiving device. FIGS. 6 and 7 are flowcharts for explaining the channel selection operation of the receiving device, and FIGS. 8 and 9 are diagrams showing examples of display screens of the receiving device.

In FIG. 1, reference numeral 1 denotes a broadcasting device for performing text multiplex broadcasting by FM broadcasting.
Receiving device 2 which performs route guidance to a predetermined destination as a navigation device and receives and displays character information.
And a transmitting device 3 for transmitting information to the receiving device 2 by radio, and an input device 5 for inputting information to the transmitting device 3 via a telephone line 4 or the like.

The receiving device 2 specifically includes a receiving device (for example, a visible radio) 2 shown in FIG. 2, and the visible radio 2 is a display 6 functioning as a display unit for displaying received character information. And the route guidance is also displayed on the display 6.

The display 6 displays the character information in, for example, 8
The display units 7a to 7h for displaying lines are provided, and the display positions, display times, and the like of the character information and the route information on the display unit 6 can be arbitrarily changed.

Displayed on the display 6, the transmission device 3
The character information transmitted from is provided with a format shown in FIG. 3, and one screen including a header 8 displaying a source of information and the like and a text 9 displaying the content of information is defined as one page.
One program is composed of a plurality of pages.

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, an operation confirmation key 13, and a speaker 28 for outputting sound.

As shown in FIG. 4, 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 an FM based on the received signal. A demodulation unit 19 that demodulates multiplexed data and a CPU 20 that performs reception control by the tuner 18 and display control of information on the display 6 are provided.

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. Also, a CD-RO as a broadcast station data storage means for storing predetermined data designating a broadcast station.
M, a memory card 30 is connected, and predetermined broadcast station data is read.

The broadcast station data is, as shown in FIG.
It is composed of display data and control data. The display data includes a broadcast station name (character code), a frequency (f), and a receivable area. The control data includes a frequency (1/10 MHz notation), a latitude / longitude indicating the location of the broadcast station, It has the shape of the reception area and the size of the reception area.

For example, the shape of the reception area is set to "1" for a circle centered on the location of a broadcasting station, "2" for a fan shape, and "3" for an ellipse. For the size of the reception area, for example, a numerical value indicating a radius (km) when the shape is circular, and a radius (k) when the shape is sector-shaped.
m), when the numerical value indicating the central angle (degree) is an ellipse, the major axis (k)
m) and numerical values indicating the minor axis (km) are respectively set.

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

The CPU 20 has a GPS receiver 32 as a current position detecting means for detecting a current position.
The GPS antenna 33 is connected, and thereby obtains the current position. The CPU 20 identifies a broadcast station that can be received at the current position based on the acquired current position and the broadcast station data from the broadcast station data storage unit, and displays the broadcast station data on the display 6. It has a function as a list display means. The CPU 20
Is a means for reserving broadcast stations that cannot be received at the present time in the broadcast station data at the time of transition to the receivable area, and that a plurality of desired stations in the broadcast station data are ranked in the reception order. It also functions as desired station registration means for registering with priority.

Next, the receiving operation in the receiving apparatus 2 of the present embodiment will be described with reference to the flowcharts of FIGS. 6 and 7, FIGS.
A description will be given based on the display example of the display 6 described above.

When an operation for instructing the display 6 to display a broadcast station list that identifies broadcast stations receivable at the current position is performed, the operation is performed based on the current position data acquired by the GPS receiver 32. A "region" including the current position is set, and the broadcasting station data relating to the "region" is read from the CD-ROM and the memory card 30 (steps S1 to S3).

The possibility of reception of each broadcasting station in the read data at the present time is determined based on the current position, and the broadcasting station list shown in FIGS. 8 and 9 is displayed (steps S4 and S5). ). FIG. 8 shows an example in which eight lines are displayed on the display 6, and FIG. 9 shows an example in which two lines are displayed. In the case of two lines, the undisplayed information is scrolled by operating the cursor key 12 or the like. Is displayed. Further, the broadcast station that can be received at the present time has the item number indicated by a circled number, and the broadcast station name or the like is displayed by identifying that the broadcast station can be received by a specific display method such as reverse display. Alternatively, only the receivable broadcasting stations may be displayed.

When the broadcast station list is displayed, an operation of selecting a receivable station and performing tuning is not performed, and an operation of reserving tuning for a station that cannot receive at the present time becomes available. When performed, the selected station is registered as a reserved station in the storage device (steps S6 to S6).
8) The process proceeds to step S1.

When an operation of registering a plurality of stations displayed in the broadcast station list and designating their reception priorities is performed, the reception priorities of the plurality of stations are set (steps S9 to S11). Move to step S1.

In the step S1, the display operation of the broadcast station list is not performed, the reservation is not registered, and
When there is no higher-priority station than the currently receiving station (steps S12 and S13), the process proceeds to step S1.

If a reservation has been made in step S12, or if there is a station having a higher reception priority in step S13, the current location is within the receivable area of the station and the user changes the receiving broadcast station. When the permission is confirmed, the reserved station or the station with a higher priority is received (steps S14 to S16).

As described above, it is determined whether or not the broadcasting station described in the list can be received at the current position based on the stored broadcasting station data and the acquired current position. The trouble of confirming with a sign or the like during traveling can be eliminated.

Further, when displaying the broadcast station list, the display method such as the item number and the display color of the receivable broadcast station and the unreceivable broadcast station are made different, so that the receivable broadcast station can be received at the current position. Can be easily recognized.

In addition, since it is possible to reserve reception of a broadcast station that cannot be received at the current position by the tuner unit 18 when the broadcast station is moved to a position where reception is possible, the operation of the user can be reduced from this point. be able to.

Further, since the broadcast stations desired to be received among the broadcast stations described in the list are registered and the reception priority is set, the broadcast stations according to the necessity of the user can be received. .

Further, when the receiving broadcast station is changed due to a change in the current position, the priority order, or the like, the user is asked to confirm whether or not the receiving broadcast station can be changed. Trouble of manually receiving the message again can be prevented.

[0036]

As described above, the information receiving apparatus according to the first aspect of the present invention identifies the broadcast station that can be received at the current position based on the stored broadcast station data and the detected current position. Since the broadcasting station data of only the possible stations is displayed, there is an effect that the user does not have to confirm whether or not the reception is possible by using a sign or the like.

According to the second aspect of the present invention, the position of the broadcast station and the shape and size of the receivable area are stored as broadcast station data, so that the reception control of the broadcast station can be performed based on the data. There are effects that can be done.

According to the third aspect of the present invention, a broadcast station that cannot be received at the current position is selected and received when it can be received, so that it is possible to reduce the user's trouble in displaying information. .

According to the fourth aspect of the present invention, a broadcast station is selected and received in accordance with a preset priority order, so that there is an effect that information can be received according to the necessity of the user.

[Brief description of the drawings]

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

FIG. 2 is a diagram showing a visible radio as a specific example of the information receiving apparatus.

FIG. 3 is a diagram showing an example of character information transmitted by the broadcasting device.

FIG. 4 is a block diagram illustrating a configuration of the receiving device.

FIG. 5 is a diagram showing an example of data stored in the receiving device.

FIG. 6 is a flowchart for explaining a channel selection operation of the receiving device.

FIG. 7 is a flowchart for explaining a channel selection operation of the receiving device.

FIG. 8 is a diagram showing an example of a display screen of the receiving device.

FIG. 9 is a diagram showing an example of a display screen of the receiving device.

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

[Explanation of symbols]

 2 Information Receiving Device 3 Broadcasting Station 50 Receiving Means 51 Displaying Means 52 Broadcasting Station Data Storage Means 53 Current Position Detecting Means 54 Broadcasting Station List Displaying Means 55, 56 Reception Control Means

Claims (5)

[Claims] 1. An information receiving apparatus for receiving information transmitted from a broadcasting station using radio waves such as teletext broadcasting,
Receiving means for receiving the information, display means for displaying the received information, broadcast station data storage means for storing data for reception such as the name, frequency, and receivable area of the broadcast station; Current position acquisition means for acquiring, and identifying a broadcast station that can be received at the current time based on the stored broadcast station data and the acquired current position, or displaying broadcast station data of only the receivable broadcast stations. An information receiving apparatus, comprising: 2. The information receiving apparatus according to claim 1, wherein said broadcast station data storage means stores a position of a broadcast station and a shape and size of a receivable area as data indicating the receivable area. apparatus. 3. A reserving means for reserving selection of a currently unreceivable broadcast station when moving to a receivable area, and reserving means for reserving the reserved broadcast station when the receivable broadcast station becomes receivable. An information receiving apparatus, comprising: a reception control means for receiving by the receiving means. 4. A desired station registration means for registering a plurality of desired broadcast stations with priorities and registering a plurality of desired broadcast stations according to a preset priority.
An information receiving apparatus, comprising: a reception control means for receiving by the receiving means. 5. The information receiving apparatus according to claim 3, further comprising: a change confirmation unit for requesting an instruction as to whether or not to change the receiving broadcast station before changing the receiving broadcast station.