JPH11284930A - Mobile onboard receiving system and mobile onboard receiver - Google Patents

Abstract

(57) [Summary] An object of the present invention is to provide a mobile-mounted receiving system and a mobile-mounted receiving device that can easily obtain the latest unique information regarding the current position where the mobile is located. The mobile-body receiving system measures the current position of a mobile body equipped with a mobile-body mounted television 1 as a mobile-body mounted receiving device by GPS, and determines the current position obtained by the measurement. The information is transmitted from the mobile unit to the information providing station 2. The information providing station 2 retrieves the unique information related to the current position from the received current position and returns it to the mobile unit, and receives the unique information from the information providing station 2. In the moving body described above, the operation or display content of the television 1 mounted on the moving body is changed based on the unique information.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile-body receiving system and a mobile-body receiving apparatus.

[0002]

2. Description of the Related Art Conventional mobile-mounted receivers include:
As shown in FIG. 5, there is a mobile-body mounted television 11. This mobile-body mounted television 11 has a GPS antenna 12a.
GPS receiving means 12 and area name searching means 13 connected to
And a tuner 16 to which a display means 15 and a receiving antenna 16a are connected.

The GPS antenna and the GPS receiving means 12 are provided with a GPS (Global Positioning System:
By receiving radio waves from three artificial satellites at the same time based on the global positioning system, the latitude and longitude information of the current position is obtained with an error of about several tens to 100 m.

[0004] An operation for receiving a broadcast receivable at the current position of the moving object on which the moving object mounting television 11 is mounted will be specifically described. First, the current position of the moving object is measured by GPS. The GPS receiving means 12 measures the current position based on the signal received by the GPS antenna 12a, and outputs the latitude information and the longitude information of the current position obtained by the measurement to the area name searching means 13.

[0005] The area name searching means 13 searches for the area name of the current position from the latitude information and the longitude information from the GPS receiving means 12, and based on the area name, the area name as unique information relating to the current position of the moving body. A broadcast channel receivable in the region is read from the ROM 14, the frequency of the broadcast channel receivable in the region is set in the tuner 16, and when a target broadcast channel is selected, the broadcast is received and displayed on the display means 15. Things.

[0006]

However, as shown in FIG. 5, a conventional mobile-mounted television 11 has a ROM 14 in which information in which a name of a region is associated with a broadcast channel receivable in the region is written in advance. Is used, so that if it covers the whole area, the amount of information becomes enormous, and a large capacity ROM is required.

Further, even if the information written in the ROM 14 becomes old due to an increase or decrease or a change in the area name or the broadcast channel, the ROM 14 is not updated after the factory shipment. Since the ROM 14 is read-only, the stored contents of the ROM 14 cannot be rewritten so as to correspond to the latest information. Therefore, in order to correspond to the latest information, the ROM of the old version is newly added to the ROM of the latest version. Must be replaced.

An object of the present invention is to provide a mobile-mounted receiving system and a mobile-mounted receiving apparatus that can easily obtain the latest unique information without using a conventional ROM.

[0009]

SUMMARY OF THE INVENTION A mobile-body receiving system according to the present invention transmits a current position of a mobile body having a receiving device to an information providing station, and the information providing station transmits unique information relating to the current position. Is returned to the mobile unit, and the mobile unit changes the operation or display content of the receiving device based on the unique information.

According to the present invention, it is possible to provide a mobile-mounted receiving system and a mobile-mounted receiving apparatus that can easily obtain the latest unique information without using a conventional ROM.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention according to claim 1 of the present invention uses a GPS to determine the current position of a moving object equipped with a receiving device.
And transmits the current position obtained by the measurement from the mobile unit to the information providing station.The information providing station searches for the unique information related to the current position from the received current position and returns it to the mobile unit. In the mobile unit having received the unique information from the information providing station, the mobile unit is a mobile-body-mounted receiving system that changes the operation or display content of the receiving device based on the unique information. Obtainable.

According to a second aspect of the present invention, a GPS
A transmitting unit for transmitting the current position detected in the information providing station,
A receiving unit that receives the unique information returned from the information providing station searched based on the current location, stores a broadcast channel that can be received at the current location from the unique information, and broadcasts based on the stored channel information. And a processing unit for receiving the latest broadcast channel that can be received at the current position of the mobile body and receive a desired broadcast channel from the broadcast channels. can do.

According to a third aspect of the present invention, a GPS
A transmitting unit for transmitting the current position detected in the information providing station,
A mobile unit provided with a receiving unit that receives the unique information retrieved based on the current location and returned from the information providing station, and a processing unit that displays a broadcast program table that can be received at the current location from the unique information; And a receiving device for
The latest broadcast program table that can be received at the current position of the moving object can be displayed.

According to a fourth aspect of the present invention, a GPS
A transmitting unit for transmitting the current position detected in the information providing station,
A receiving unit for receiving the unique information retrieved from the information providing station, which is searched based on the current position, and a processing unit for displaying information on weather from the unique information; And information on the latest weather that can be received at the current position of the moving object can be displayed.

Hereinafter, a mobile-mounted receiving system and a mobile-mounted receiving apparatus according to the present invention will be described based on specific embodiments. (Embodiment) As shown in FIG. 1, a mobile-body-mounted receiving system according to the present embodiment uses a GPS mounted on a mobile-body-mounted television 1 as a mobile-body-mounted receiving apparatus to determine the current position of a mobile body. And the current position obtained by the measurement is transmitted from the mobile unit to the information providing station 2, and the information providing station 2
Then, from the received current position, unique information relating to the current position is searched and returned to the mobile unit, and the mobile unit that receives the unique information from the information providing station 2 uses the mobile-mounted television 1 based on the unique information. Is to change the operation or display contents. The moving body includes a car and the like.

This mobile-body mounted television 1 has a G for measuring a current position based on a signal received by the GPS antenna 3a.
PS receiving means 3, a transmitting unit 4 for transmitting the current position to the information providing station 2, a transmission / reception switch 5 to which a transmitting / receiving antenna 5a is connected, and a search and a reply from the information providing station 2 based on the current position. A receiving unit 6 for receiving the unique information, and a processing unit 7 for storing a broadcast channel that can be received at the current position from the unique information and receiving a broadcast based on the stored channel information.

The processing means 7 includes a control unit 7a, a reception content memory 7b, a selection means 7c, a display means 7d, and a tuner 7
e. The control unit 7a includes a reception content memory 7b and a selection unit 7c according to the flowchart shown in FIG.
And a microcomputer for controlling the display means 7d and the tuner 7e. Received content memory 7
For b, for example, a writable / readable RAM is used. For example, a liquid crystal display is used as the display unit 7d. A receiving antenna 7f for receiving a broadcast is connected to the tuner 7e.

The information providing station 2 is connected to a transmitting / receiving antenna 2a for receiving the current position of the mobile unit and transmitting unique information relating to the current position. This unique information includes information such as a broadcast channel, a broadcast program table, and a weather forecast.

Here, as an example of changing the operation of the television based on the unique information, the operation when receiving a broadcast channel receivable at the current position of the moving object will be specifically described.

First, the current position of the moving object is measured by GPS. The signal received by the GPS antenna 3a is input to the GPS receiving means 3, and the GPS receiving means 3
Measure the latitude information and the longitude information as the current position.

The latitude information and the longitude information of the moving object measured by the GPS receiving means 3 are output to the transmitting section 4 and output from the transmitting / receiving antenna 5a when the transmission / reception switch 5 is connected to the transmitting side T. You.

The latitude and longitude information output from the transmitting / receiving antenna 5a is received by the transmitting / receiving antenna 2a of the information providing station 2. The information providing station 2 searches the received latitude information and longitude information as the current position for unique information relating to the current position where the mobile object is located, and transmits and receives the unique information to the mobile object so as to return the unique information to the mobile object.
Sent from

This unique information is received by the transmission / reception antenna 5a, and is input to the reception unit 6 when the transmission / reception switch 5 is connected to the reception side R. When the unique information from the receiving unit 6 is input to the control unit 7a, as shown in FIG.
In step S1 of a, an instruction is given to the reception content memory 7b to store this unique information in the reception content memory 7b.
In step S2 of the control unit 7a, the unique information is instructed to the display unit 7d to be displayed on the screen shown in FIG.

As shown in FIG. 3, when the select number "1" corresponding to the broadcast channel is input to the selection means 7c in the menu of the unique information displayed on the screen, the control means 7a executes the display means at step S3. 7d is instructed to display the individual broadcast channels receivable at the current position on the screen. Here, as shown in FIG. 4, channels A to H are displayed on the screen.

As shown in FIG. 4, when the select number "2" corresponding to the B channel is input to the selecting means 7c in the menu of the broadcast channel displayed on the screen, the control section 7a executes this B The tuner 7 instructs to output the channel information of the channel from the reception content memory 7b to the tuner 7e, and receives the B channel broadcast from the broadcast signal received by the reception antenna 7f.
e is tuned to the frequency of the B channel, and the B channel broadcast is displayed on the screen of the display means 7d.

Next, as an example of changing the display contents of the television on the basis of the unique information, an operation for displaying a broadcast program guide or weather information which can be received at the current position of the moving object will be specifically described. .

Until the unique information from the receiving section 6 is input to the control section 7a, the operation is the same as that described above, and the description thereof will be omitted. As shown in FIG. 2, in step S2 of the control unit 7a, the display unit 7d instructs the unique information to be displayed on the screen shown in FIG.

When the select number "2" corresponding to the broadcast program table is input to the selection means 7c so as to select the broadcast program table from the menu displayed on the screen, the control section 7a executes the display means 7d at step S5. Is instructed to display a broadcast program table receivable at the current position on the screen.

When the select number "3" corresponding to the weather information is input to the selection means 7c so as to select the weather information from the menu displayed on the screen, the control unit 7a executes the display at step S6. It instructs the means 7d to display on the screen information relating to the weather that can be received at the current position.

With this configuration, the latest broadcast channel at that time as unique information that can be received at the current position of the mobile body can always be obtained. Based on the channel information of the broadcast channel, the TV 1 mounted on the mobile body can be obtained. The broadcast channel can be set and this broadcast can be received. In addition, it is possible to always obtain the latest broadcast program table and information on weather as unique information that can be received at the current position of the moving object, and to display the contents of the television 1 mounted on the moving object at the time when the moving object exists. Can be changed to the latest broadcast program table and information on weather and displayed.

Also, since it is possible to request and store unique information only for the current position where the moving object is present, the need for the ROM 14 shown in FIG. And of course this ROM
There is no need to replace 14.

Further, since only the unique information relating to the current position where the moving object is present needs to be stored, the storage capacity of the reception content memory 7b is the same as the conventional ROM 14 shown in FIG.
Memory capacity can be sufficiently reduced.

Information communication between the mobile-body mounted television 1 and the information providing station 2 is performed by using a PHS (Personal Handy Phone System) or a mobile phone to connect using a public telephone line. Can be realized.

The GPS antenna 3a, the transmission / reception antenna 5a, and the reception antenna 7f are connected to the mobile-mounted television 1
However, it is needless to say that the antenna may be shared by all the antennas.

In this embodiment, the mobile-mounted receiving device is a mobile-mounted television. However, in the case where a video tape recorder provided with a tuner or a television is provided with such a video tape recorder. Even so, it has the same effect.

In this embodiment, the unique information includes information on a broadcast channel, a broadcast program guide, and weather. However, the unique information includes at least one of information on a broadcast channel, a broadcast program guide, and weather. Even in this case, the same effect is obtained.

[0037]

As described above, according to the mobile-body-mounted receiving system of the present invention, the current position of the mobile-body on which the receiving device is mounted is measured by GPS, and the current position obtained by the measurement is determined by the mobile-body. From the information providing station, the information providing station searches for the unique information relating to the current position from the received current position and returns it to the mobile unit, and the mobile unit receiving the unique information from the information providing station By changing the operation or display content of the receiving device based on the unique information, it is possible to obtain the latest unique information related to the current position of the moving object, and to operate or display the receiving device based on the unique information. The content can be changed.

Further, according to the mobile-equipped receiving apparatus of the present invention, the transmitting section for transmitting the current position detected by the GPS to the information providing station, the search section being searched based on the current position and returning from the information providing station Receiving unit for receiving the unique information,
By providing the processing means for storing the unique information and changing the operation or display content of the receiving device based on the stored unique information, the unique information of only the current position where the moving body is present is requested. Since it can be stored, it is not necessary to use a ROM for storing the broadcast channels of all areas as in the conventional case, and it is economical, and of course there is no need to replace the ROM. Further, since only the unique information relating to the current position where the moving object exists need be stored, the storage capacity of the reception content memory can be made sufficiently smaller than the storage capacity of the conventional ROM.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a television mounted on a mobile object according to an embodiment of the present invention.

FIG. 2 is a view showing a flowchart of a control unit according to the embodiment;

FIG. 3 is a diagram showing a state in which unique information of the embodiment is displayed on a screen;

FIG. 4 is an exemplary view showing a state where a broadcast channel of the embodiment is displayed on a screen;

FIG. 5 is a block diagram showing a conventional mobile-mounted television.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 mobile mounted television 2 information providing station 2a transmitting / receiving antenna 3 GPS receiving means 3a GPS antenna 4 transmitting unit 5 transmitting / receiving switching unit 5a transmitting / receiving antenna 6 receiving unit 7 processing unit 7a control unit 7b received content memory 7c selecting unit 7d display unit 7e tuner 7f receiving antenna

Claims (4)

[Claims] 1. A current position of a mobile unit equipped with a receiving device is measured by a GPS, and the current position obtained by the measurement is transmitted from the mobile unit to an information providing station. From the current position, search for unique information related to the current position and return it to the mobile unit, and in the mobile unit receiving the unique information from the information providing station, change the operation or display content of the receiving device based on the unique information. Mobile receiving system. 2. A transmitting unit for transmitting a current position detected by a GPS to an information providing station; a receiving unit for searching based on the current position and receiving unique information returned from the information providing station; A receiving device for mounting on a mobile object, comprising: a broadcast channel that can be received at a current position from information; and processing means for receiving a broadcast based on the stored channel information. 3. A transmitting unit for transmitting a current position detected by GPS to an information providing station; a receiving unit for searching based on the current position and receiving unique information returned from the information providing station; Processing means for displaying a broadcast program table that can be received at the current position from the information. 4. A transmitting unit for transmitting a current position detected by a GPS to an information providing station; a receiving unit for searching based on the current position and receiving unique information returned from the information providing station; A receiver mounted on a moving body, comprising: a processing unit for displaying information on weather from information.