JPH10172097A - Information transmitter and information receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To execute travel guide according to a user's request setting a parking lot to be a destination by transmitting character information added with a parking lot code showing a distance between with a parking lot and a vacancy situation of it. SOLUTION: An information transmitter 3 consists of a parking lot code adding means 50 adding a parking code showing the distance between with the parking lot being a facility concerning information and its vacancy situation and a transmission means 51 transmitting character information. On the other hand an information receiver mounted to a vehicle is provided with a receiving means 52 receiving character information, a display means 53 displaying received information, a priority setting means 55 setting a priority order at the time of executing travel guide by setting the parking lot to be the destination when a parking lot code is added in received information based on the parking lot code, and a traveling guide means 54 guiding a traveling route by setting a parking lot of a highest priority to be the destination. Thereby a parking lot which is most convenient for the user is made the destination of travel guide to reduce the burden of the user.

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 to an external information receiving apparatus by using radio waves such as teletext broadcasting, and an information transmitting apparatus mounted on a vehicle and transmitted from the information transmitting apparatus. The present invention relates to an information receiving device that receives and displays 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.

Information transmitted by such teletext includes traffic information, weather information, facility information, event information, and the like. For example, in the case of event information, the user searches for the location of the facility where the displayed event is performed using an atlas, or displays the information on an on-vehicle navigation device and goes to the event venue.

In order to facilitate route (traveling route) guidance in the receiving device having the above-mentioned navigation function,
It is conceivable that character information is transmitted by adding a predetermined event code specifying the location of the facility where the event is performed. In this case, the receiving device sets the destination of the route guidance for the parking lot or the like of the facility based on the code.

[0005]

However, in the above-mentioned receiving apparatus, for example, when the facility has a plurality of parking lots, it is difficult to determine which parking lot is the most convenient destination. It is hard to understand. That is, since the situation of the destination is not known until arrival, for example, when the parking lot set as the destination is full, the user needs to newly search for a vacant parking lot when arriving at the destination. However, there is a concern that the problem of the application may occur.

The present invention has been made in view of the above-mentioned problems, and an information transmitting apparatus and an information receiving apparatus capable of setting a parking lot which is most convenient for a user as a destination of travel guidance, thereby reducing a burden on the user. It is an object to provide a device.

[0007]

As shown in FIG. 10, an information transmitting apparatus 3 for transmitting character information to an external receiving apparatus 2 by using radio waves such as text multiplex broadcasting is disclosed in claim 1 of the present invention. Parking code adding means 50 for adding a parking code indicating the distance and availability of the parking lot of the facility according to the information, and transmitting means 51 for transmitting the character information with the parking code added. It is characterized by having.

According to a second aspect of the present invention, there is provided an information receiving apparatus mounted on a vehicle and receiving and displaying character information transmitted from an external transmitting apparatus using radio waves such as text multiplex broadcasting. Receiving means 52 for receiving, display means 53 for displaying the received information, and a parking code indicating the distance from the facility and the availability of the parking lot of the facility related to the information are added to the received information. The priority order setting means 55 for setting the priority order when the traveling guidance is performed with the parking lot as the destination based on the parking lot code, and setting the parking lot with the highest priority order as the destination and setting the traveling route And running guide means 54 for performing guidance.

According to a third aspect of the present invention, in the second aspect, the priority order setting means 55 updates the priority order of the destination parking lot at any time in accordance with the received parking lot code, and The means 54 is characterized in that, when the parking lot having the highest priority is updated, the updated parking lot is reset to the destination to provide guidance on the traveling route.

[0010] According to a fourth aspect of the present invention, in the third aspect, the priority order setting means 55 is a parking lot in which the distance to the facility is a predetermined value or more and the elapsed time from the previous setting is a predetermined time or less. , The update to the highest priority is suspended.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 to 9 are diagrams 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 FIGS. FIG. 5 is a diagram showing an example of information transmitted from the transmitting device, FIG. 5 is a diagram showing a specific example of the receiving device, FIG.
7 is a block diagram showing the configuration of the receiving device, FIGS. 7 and 8 are flowcharts for explaining the operation of the receiving device, and FIG. 9 is a diagram showing an example of a display screen of 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 that receives and displays character information, and is equipped with a navigation function mounted on the vehicle and for guiding a traveling route to a predetermined destination, and a transmitting device 3 that wirelessly transmits information to the receiving device 2. And an input device 5 for inputting information to the transmitting device 3 via a telephone line 4 or the like.

As the character information, for example, data in the format shown in FIGS. 2 to 4 is transmitted from the transmitting device 3 by the transmitting means. This data represents one screen composed of a header 8 for designating a source and characteristics of information and a text 9 of information.
One program is composed of a plurality of pages.

FIG. 2 shows a menu page of a program, and FIG. 3 shows a menu page of “1. Drive information”.
FIG. 4 shows a program content page when a program is selected and displayed.
Indicates the last code page of the program. "F1" is added to the header 8 of the content page of FIG. 3 as an identification code for identifying the information content of the text 9.

The code page shown in FIG. 4 shows the parking lot code added by the parking lot code adding means of the transmitting device 3. As this parking lot code,
The facility identified by the identification code "F1" described on the above content page, and the code "a.
.. ", codes" P1 "to" P3 "indicating parking lots installed around the facility, codes" empty "or" full "indicating the availability of the parking lot, and the parking lot from the facility. "B ...", "c ...", "d ..."
・ ・ ”Is added.

Each of the above parking lot position codes "b .., c."
・, D ・ ・ ”indicates the position of each parking lot relative to the above facility, that is, the distance from north to south, east, west, centering on the entrance to the above facility. In addition, they are arranged so as to be displayed side by side in descending order of available space.

As the above-mentioned receiving apparatus 2, specifically, FIG.
There is a navigation device that can receive the teletext shown in FIG. The receiving device 2 includes a display 6 that functions as a display unit that displays the received character information.

The display 6 includes display units 6a to 6c for displaying the character information in three lines, and the traveling route (route guidance).
And a display section 6d for displaying the character information and the route information on the display 6 so that the display position, the display time, and the like can be arbitrarily changed.

The receiving device 2 includes operation function keys (preset switches) F1 to F5 (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.

Further, as shown in FIG.
Is a receiving unit including an antenna 16 for receiving a teletext signal transmitted from the transmitting device 3 and a tuner 18, a demodulation unit 19 for demodulating FM multiplexed data from the received signal, and a reception control by the tuner 18. And a CPU 20 for controlling display of information on the display 6 and the like.

The CPU 20 includes a ROM 22 as a storage device for storing a control program, received information, and the like, and a RAM.
23 and a CD-RO recording route information, facility information, etc.
M21 is connected to input and output predetermined data. Then, the CPU 20 functions as a priority order setting unit that sets a priority order when traveling guidance is performed with any one of the parking lots of the facility as a destination based on the stored reception information.

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 vehicle speed sensor 24 for detecting a vehicle speed via an I / F 25, a gyro sensor 30 for detecting a traveling direction and the like via an I / F 31, and a current position. GPS receiver 3 to detect
2, the GPS antenna 33 is connected. The CPU 20 also functions as travel guide means for performing travel guidance based on the detected current position and the received parking lot code with the parking lot having the highest priority set as the destination. I do.

Next, the operation of the receiving apparatus 2 of the above embodiment will be described. In the receiving device 2, for example, “fm o
When "saka" is received and the "1. Drive Information" program is selectively displayed on the menu page shown in FIG. 2, the program content page and the code page shown in FIGS. 3 and 4 are displayed. The map around the facility having the event code (a ..) of this code page is the CD-R.
The location information of the facility is read out from the storage device such as the OM and displayed on the display 6 and the location information of the facility is read out, as shown in FIG. It is displayed with a mark (☆).

Also, the parking lot code (b .., c.
., D ..), the relative position of the parking lot with the facility is detected, and the detected position is displayed as a predetermined mark (P) on the map of the display 6.

Then, a priority is set as to which of the displayed parking lots is the destination of the travel guidance based on the distance to the facility, the occupancy status, and the like, and the highest priority is given. Travel guidance to the parking lot is performed.

The operation of the receiving apparatus 2 will be described in further detail with reference to flowcharts shown in FIGS. 7 and 8 and an example of a display screen shown in FIG.

In the receiving apparatus 2, when a display operation of received information is performed, for example, character information shown in FIGS. 2 to 4 is displayed in accordance with the operation (steps S1 and S1).
2).

When the display operation of the map around the facility related to the received information is performed, the facility is designated based on the code “a...” Added in the received information, and the area around the facility is designated. The map is read from the CD-ROM 21 and a map including the facility indicated by, for example, a mark in FIG. 5 is displayed (steps S3 and S4). In step S3, when the map display operation is not performed, the process proceeds to step S16 described below.

When the operation for setting the destination of the travel guide is performed after the display of the surrounding map, as shown in FIG. 9, a message for confirming whether or not to select a parking lot as the destination from the surrounding map is displayed. Is displayed (steps S5, S
6).

When the selection frame a is operated to "Yes" by the cursor key 12 to select from the surrounding map, the three parking lots except for the parking lots in the facility shown in FIG. , A predetermined place is selected by the user, and a candidate list is created with the selected parking lot as a candidate place having the highest priority (steps S7 to S9).

If the selection frame a is operated to "No" assuming that no selection is made from the surrounding map, based on the data such as the distance to each parking lot and the vacancy status added to the reception information, The guide priority of each parking lot is set, and a destination candidate list is automatically created (step S1).
0).

When the candidate list is created in steps S9 and S10, a travel route to the destination having the highest priority is searched in the list, and a route is determined based on the searched route. Guidance is started (steps S11, S12). Then, the current position is detected in step S13 in FIG. 8, and the traveling route and the map data from the current position to the destination are stored in the CD-R.
The route information is read from the OM 21 and route guidance to the destination is performed. A map of a predetermined area is displayed and updated on the display 6 (steps S13 to S15), and the process proceeds to step S1.

Then, the display operation of the received information is not performed,
When the destination of the travel guidance is set, no new data is received, and the destination is determined (update pending) (steps S1, S16 to S18), steps 13 to 15 are performed. Is repeated.

Here, when the character information shown in FIGS. 3 and 4 is received as new data in step S17, the contents of the candidate list in which the candidate locations for travel guidance and their priorities are recorded are updated. It is updated based on the information (step S19). In this case, FIG.
The three parking lots (P1 to P3) shown in the above table are recorded in the above list, and the higher the parking lot is, the closer the facility is, and the longer the elapsed time from the previous guidance is, the higher the priority is set.

When the operation for changing the setting of the destination of the travel guide is performed, it is determined whether or not any of the candidate locations in the list has a condition as a destination (steps S20 to S21). .

As the above conditions, the distance to the facility, the number of vacant vehicles, and the elapsed time from the previous guidance are used. The distance to the facility is less than a predetermined value, the number of vacant vehicles is more than a predetermined number, and the previous guidance is used. A parking lot that has passed a predetermined time or more from is retrieved.

If no candidate location satisfying the predetermined condition is detected, the change of the destination is suspended (step S).
22), the process proceeds to step S13.

On the other hand, when a parking lot satisfying the predetermined update condition as a destination is detected in the list in step S21, the priority of the parking lot is updated to the first place, and the updated priority is set. A travel route with the parking lot as the destination is searched, and route guidance is performed (steps S11 to S11).
15).

As described above, information to which the parking code indicating the position of the facility related to the information, the availability of the parking lot of the facility, and the distance from the facility to the parking lot is received, Since the priority is updated at any time based on the parking lot code and the driving guidance is provided, it is possible to avoid providing the driving guidance to a full parking lot, and to provide the most convenient parking lot for the user. Can be set as ground.

In updating the priority order, the above update is suspended for a parking lot whose distance to the facility is equal to or more than a predetermined value and the elapsed time from the previous guidance is equal to or less than a predetermined time. Can be reduced, and the number of times of destination setting and route search processing that require the search can be reduced.

[0042]

As described above, in the information transmitting apparatus according to the first aspect of the present invention, the character information is added by adding the parking lot code indicating the distance and the availability of the parking lot of the facility related to the information. In the information receiving apparatus according to the second aspect of the present invention, the priority is set based on the parking lot code, and the traveling guidance is performed with the parking lot having the highest priority as the destination. There is an effect that traveling guidance to a place according to a request can be performed.

In the information receiving apparatus according to the third aspect of the present invention,
The priority is updated at any time according to the received parking lot code, and the driving guidance is performed, so that the destination can be changed according to the situation of the destination, and the parking lot which is the most convenient for the user There is an effect that can be a destination.

[0044] In the information receiving apparatus according to the fourth aspect of the present invention,
Since the distance to the facility is equal to or greater than the predetermined value and the update of the parking lot whose elapsed time since the previous guidance is equal to or less than the predetermined time is suspended to the highest priority, the parking lot is more convenient for the user. It is possible to provide travel guidance and to reduce the number of times of destination setting and route search that require time for processing.

[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 diagram illustrating an example of information transmitted from the transmission device.

FIG. 3 is a diagram showing an example of information transmitted from the transmission device.

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

FIG. 5 is a diagram showing a specific example of the receiving device.

FIG. 6 is a block diagram showing a configuration of the receiving device.

FIG. 7 is a flowchart for explaining the operation of the receiving apparatus.

FIG. 8 is a flowchart for explaining the operation 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 2 3 Information transmitting device 3 50 Parking code adding means 50 51 Transmitting means 51 52 Receiving means 52 53 Display means 53 54 Travel guidance means 54 55 Priority setting means 55

Claims (4)

[Claims] 1. An information transmitting apparatus for transmitting character information to an external receiving apparatus using radio waves such as teletext broadcasting,
A parking code addition unit that adds a parking code indicating the distance and the availability of the parking lot of the facility according to the information, and a transmission unit that transmits character information to which the parking code is added. An information transmitting device, comprising: 2. An information receiving device mounted on a vehicle and receiving and displaying character information transmitted from an external transmitting device using radio waves such as teletext broadcasting, a receiving means for receiving the character information, Display means for displaying the received information, and when the received information includes a parking code indicating the distance to the facility and the availability of the parking lot of the facility related to the information, traveling with the parking lot as the destination Priority order setting means for setting a priority order when guidance is performed based on the parking lot code; and travel guidance means for setting a parking lot with the highest priority order as a destination and guiding a traveling route. An information receiving device, comprising: 3. The priority setting means according to claim 2, wherein said priority setting means updates a priority of a parking lot as a destination in accordance with said received parking lot code, and said travel guide means sets said priority. The information receiving device, wherein when the highest parking lot is updated, the updated parking lot is reset to the destination and guidance of the traveling route is performed. 4. The parking lot according to claim 3, wherein the priority setting means sets the distance to the facility to be equal to or more than a predetermined value and the elapsed time from the previous setting is equal to or less than a predetermined time to the highest priority of the parking lot. An information receiving apparatus for suspending updating.