JP3267336B2 - Multi-vision system for vehicles - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle multi-vision system for displaying a navigation map and a telephone operation screen.

[0002]

2. Description of the Related Art Conventionally, a vehicle is equipped with a device such as a clock, an audio, an air conditioner or the like which is not directly related to a traveling function, and is also equipped with a TV, a telephone and the like. Further, recently, vehicles equipped with a navigation device for guiding a route to a destination are increasing. This navigation device displays a map on a display provided around the driver's seat, and displays the current position of the vehicle on the map. You can check the situation around it.

As described above, a display is indispensable in the navigation device, and the display is shared with other devices. In particular, in a navigation device, a display is often used as a touch switch in order to perform various operations such as inputting a destination. Therefore, the display is used as an input means such as a telephone or an air conditioner.

That is, when using a car telephone, a hook switch provided on a steering wheel is operated to go off-hook, and a telephone operation screen including a dial key or the like is displayed on a display. Then, by touching a dial key on this screen, dialing is performed to connect a line with a predetermined partner, and a call can be made. During a call, the telephone number of the other party is displayed on the display. Further, when the call is terminated, the line can be disconnected by operating the hook switch to go on-hook.
Then, in this case, the screen display for telephone operation on the display is stopped.

Here, a map screen is displayed on the display when route guidance is provided by the navigation device. At this time, if a car telephone is used, a telephone screen is displayed according to the off-hook operation of the hook switch, and the screen returns to the map display according to the on-hook operation of the hook switch after the end of the call.

[0006]

However, in the conventional apparatus, a telephone screen is always displayed on the display during a call, and it is impossible to return to the map screen without ending the call. Therefore, there is a problem that when a user wants to see a map during a call, he cannot see it. In other words, if you want to talk about and have One to the current position of the vehicle to the other party, but there are many if you want to see the map during a call,
Conventional devices have not been able to meet such demands.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a vehicular multi-vision system capable of appropriately viewing a map screen during a telephone call.

[0008]

SUMMARY OF THE INVENTION The present invention relates to a multi-vision system for a vehicle which displays a map and a telephone operation screen on a display unit, wherein map data read from a map data storage unit is displayed on the display unit. Map data supply means for supplying, a telephone screen data supply means for supplying data for displaying a telephone screen to a display unit when a telephone is used, and accepting the map data and the telephone screen data, and either one of them is displayed on the display unit. Supply switching means and a steering
The hook means for inputting the start and end of the telephone call, a map display request switch for requesting a map display, and telephone screen data supplied to the display unit in response to the input of the call start from the hook means, The map data is supplied to the display unit in response to the input of the end, and when the map display is requested by the map display request switch, the switching unit is controlled so as to supply the map data to the display unit even during a call. And control means.

The present invention also relates to a vehicular multi-vision system for displaying road map information or a telephone screen, wherein the map data supply means for supplying map data read from the map data storage unit, and a telephone screen. Phone screen data supply means to be supplied, and
Input means for inputting a call start or call end,
Map data requesting means for requesting map data, and outputting a telephone screen in response to a call start input from the input means,
Control means for outputting map data in response to the input of the call termination from the input means, wherein the control means determines a request of the map data request means, and when there is a request for map data, Is characterized by outputting map data even during a call.

[0010]

As described above, in the present invention, the control means supplies telephone screen data to the display unit in response to the input of the call start from the hook means, and the map data to the display unit in response to the input of the call end. In addition, when the map display is requested by the map display request switch, the switching unit is controlled so that the map data is supplied to the display unit even during the call. Therefore, during a telephone call, the map screen can be easily and appropriately viewed by operating the map display request switch.

[0011] In addition, a telephone screen is output according to the start of a call.
And output map data when the call ends.
You. In addition, even while the phone screen is being output, the map data
Map data can be output on demand.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments according to the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing the overall configuration of the present system. The display / touch panel 10 is used to input TV, navigation screen display, air conditioner, telephone, and navigation. The display and the touch panel 10 are connected to the electro-multivision ECU via the system communication line 12.
14 are connected. The system communication line 12 includes an audio operation panel 16, an air conditioner ECU 18,
TV tuner 20, GPS receiver 22, telephone ECU 24
Is also connected.

An audio CD changer 28 and a speaker 30 are connected to the audio operation panel 16 via an audio amplifier 26. Thus, by inserting a music CD or the like into the audio CD changer 28, music or the like can be output from the speaker 30. The audio amplifier 26 has a built-in radio and the like.

The air conditioner ECU 18 controls the operation of the air conditioner body (not shown). The TV tuner 20 is connected to a TV glass antenna 31 provided in a rear window, and reproduces a TV image on the display / touch panel 10 from the received radio wave. GPS receiver 22
Is connected to a GPS antenna 32, specifies the current position of the vehicle from the radio wave received from the artificial satellite, and supplies the current position to the electro-multivision ECU 14. A CD-ROM changer 34 is connected to the electro-multivision ECU 14, and a CD-ROM changer 34 inserted therein is connected.
The map information and the guidance voice data are supplied from the ROM to the electro-multivision ECU 14. The electro-multivision ECU 14 has a geomagnetic sensor 36,
Signals from the rotation speed sensor 38 and the steering sensor 40 are also supplied, whereby the traveling direction, the traveling distance, and the steering angle of the vehicle are recognized.

The telephone ECU 24 is connected to a steering switch 42 provided at the center of the steering of the vehicle in addition to a telephone main body (not shown). Enter

Various inputs and displays for navigation in the audio, air conditioner, TV, telephone, and electro-multi-vision ECU 14 are performed from the display / touch panel 10.

In such a system, when performing navigation (route guidance) to a destination, the destination is input from the display / touch panel 10. The electro multi-vision ECU 14 calculates a route from the current position to the destination, and stores the route. Note that an appropriate route search method is employed for calculating the route.

And an electro-multivision ECU.
Reference numeral 14 reads map information via a CD-ROM changer 34, displays the map information on the display / touch panel 10, and superimposes the current vehicle position obtained from the geomagnetic sensor 36, the rotation speed sensor 38, and the GPS receiver 22 on the map. indicate.

The display / touch panel 10 is provided in the instrument panel near the driver's seat, and the driver checks the display to confirm the position of the vehicle and obtains information on a future route. FIG. 2 shows an example of this display. In FIG. 2, the selected route is indicated by a thick solid line 100, and other roads are indicated by a thin solid line 1.
02 is indicated. The position of the host vehicle is indicated by a circle 104 and the traveling direction is indicated by a wedge-shaped arrow 106. The display of the road is not limited to the distinction based on the thickness of the line, but may be distinguished by changing the color.

At the intersection 10 where the position of the vehicle is to change course.
When the distance approaches 8, the display screen changes as shown in FIG. 3, and the intersection name 110 and the distance 112 to the intersection are displayed. At the same time as the display switching, the electro-multivision ECU 14 prepares to generate a sound corresponding to the route guidance at the intersection. That is, the audio data is read from the CD-ROM, converted to an analog signal, and the speaker 30 is driven. Then, a route instruction is given to the driver from the speaker 30 such as "approximately 300 m ahead at the intersection of *** to the left." Further, the output timing of the guidance voice is determined according to the current position of the vehicle.

In the present embodiment, the screen of the display / touch panel 10 functions as an input key. That is, the driver can input data by touching a place name or the like displayed on the display / touch panel 10. The display / touch panel 10
As shown in FIG. 4, a menu key 10a for returning to a menu screen for selecting a process such as inputting a destination and adjusting a volume, a map key 10b for displaying a map,
A current location / guidance key 10c for returning to a screen displaying the current location or requesting guidance in that state, an air conditioner key 10d for displaying an air conditioner adjustment screen, an audio key 10e for displaying an audio adjustment screen, and the like are provided. ing.

In this embodiment, the steering switch 42 is a hook switch of the telephone. By pushing the steering switch 42 once, the telephone ECU 24 goes off-hook the telephone and simultaneously displays the telephone on the display / touch panel 10. , A basic screen of the telephone screen shown in FIG. 5 is displayed. That is, when the steering switch 42 is pressed in the display state of the map screen during route guidance, the basic screen is displayed.

Numeric keys for dialing are displayed on the basic screen. Dialing is performed by touching these numeric keys, and a corresponding telephone number is output from the telephone body. In addition, when driving or when touching the shortcut key 10h in the basic screen of FIG. 5,
The one-touch dial screen shown in FIG. 6 is displayed, and dialing of the corresponding registered telephone number is performed by touching the key of the abbreviated number. Then, when the telephone body is in a talking state, the telephone number of the other party is displayed on the basic screen of FIG.

In this embodiment, when the map key 10b on the display / touch panel 10 is touched in this state, the electro-multivision ECU 14 performs the above-described route guidance even though the telephone is in communication. Displays the map screen used for.

If the steering switch 42 is pressed while the map screen is being displayed, the display returns to the telephone screen during a call. In this manner, the map key, by the operation of stearic <br/> down Gus switch 42 can transition to appropriately map screen and telephone screen.

When the steering switch 42 is depressed on the telephone screen, the call is terminated by on-hook. In this way, when the call ends, the display returns to the map display which is the display before the start of the call. In addition,
If the steering switch is pressed twice in succession in the display state of the map screen, the telephone call is terminated without displaying the telephone screen, and the display returns to the map screen. Note that, even when the steering switch 42 is pressed in a display state of a screen other than the map screen, the basic screen of the telephone is displayed.

As described above, according to the present embodiment, by touching the map key while the telephone screen is being displayed during a telephone call, it is possible to transit to the map display screen with a single touch at a desired time. Therefore, during a call, the current position can be easily confirmed.

[0028]

As described above, according to the vehicular multi-vision system according to the present invention, the map screen can be easily and appropriately viewed in response to a map request while the telephone screen is being displayed.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating an overall configuration of an embodiment.

FIG. 2 is an explanatory diagram showing a display example of route guidance.

FIG. 3 is an explanatory diagram showing a display example of route guidance near an intersection.

FIG. 4 is an explanatory diagram showing the appearance of a display / touch panel.

FIG. 5 is an explanatory diagram showing a basic screen of a telephone.

FIG. 6 is an explanatory diagram showing a one-touch dial screen of a telephone.

[Explanation of symbols]

 Reference Signs List 10 display / touch panel 14 electro-multivision ECU 24 telephone ECU 42 steering switch

Continuation of the front page (72) Inventor Tohru Ito 1 Toyota Town, Toyota City, Aichi Prefecture Inside Toyota Motor Corporation (56) References JP-A-3-137674 (JP, A) JP-A-62-152000 (JP, A) (58) Field surveyed (Int. Cl. ⁷ , DB name) G01C 21/00 G08G 1/0969 G09B 29/10 G09F 9/00 363

Claims (2)

(57) [Claims] 1. A vehicular multi-vision system for displaying a map or a telephone operation screen on a display unit, comprising: map data supply means for supplying map data read from a map data storage unit to the display unit; A telephone screen data supply unit for supplying data for displaying a telephone screen to the display unit when the telephone is used; a switching unit for receiving the map data and the telephone screen data and supplying one of them to the display unit ; Hook means provided in the steering unit for inputting the start and end of a telephone call, a map display request switch for requesting a map display, and telephone screen data supplied to the display unit in response to input of a call start from the hook means Then, the map data is supplied to the display unit in response to the input of the call end, and when the map display is requested by the map display request switch, Multivision system for a vehicle, characterized in that and a control means for controlling said switching means so as to be supplied to the display unit of the map data even in the busy. 2. A vehicle multi-vision system for displaying road map information or a telephone screen, comprising: map data supply means for supplying map data read from a map data storage unit; and a telephone screen for supplying a telephone screen. Data supply means, input means provided on the steering section of the vehicle for inputting a call start or call end, map data request means for requesting map data, and telephone in response to a call start input from the input means Control means for outputting a screen and outputting map data in response to an input of call termination from the input means, wherein the control means determines a request from the map data request means, and requests map data. A multi-vision system for a vehicle, which outputs map data even during a call when there is a problem.