JPH0362083A - On-vehicle navigation device - Google Patents

Abstract

PURPOSE:To allow the setting and inputting of plural destinations randomly in a starting place and the adequate displaying of guiding information, such as the direction and distance from the destination of the shortest distance to the final destinations by providing an input means, output means and specific control means. CONSTITUTION:The destinations are selected in order of the shortest distances by the control means when the plural destinations are randomly inputted by the input means 24. The guiding information up to the destination of the vehicle is then displayed together with a map for traveling roads and the present position on a display means 22 in accordance with various kinds of the data, such as data on traveling bearings, the data on mileage and the data on the map for traveling roads from various means, such as means 14 for detecting the traveling bearings, means 16 for detecting the mileage and means 18 for storing the map data. The arrival of the vehicle at the destination is announced by the output means 26 and the guiding information up to the next destination is so controlled as to be displayed. The random setting and inputting of the plural destinations in the starting place are possible in this way and the adequate displaying of the guiding information on the directions and distances, etc., up to the destination is executed.

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to an in-vehicle navigation device, and particularly to an in-vehicle navigation device that facilitates input operation of a vehicle's destination and displays useful guidance information to the vehicle's destination. The present invention relates to an in-vehicle navigation device.

[Prior Art] Some vehicles, such as automobiles, are equipped with an on-vehicle navigation device for guiding the travel route from a departure point to a destination. When a certain destination is set, the navigation device displays, for example, a route map and the own military position, which is the current position of the vehicle, on the screen of the display means,
Additionally, guidance information such as the direction and distance to the destination is displayed to guide the vehicle to the destination.

As such a navigation device, Japanese Unexamined Patent Publication No. 58-
Some of them are disclosed in Japanese Patent Application Laid-open No. 85476 and Japanese Patent Application Laid-open No. 199377/1983.

The device disclosed in Japanese Unexamined Patent Publication No. 58-85476 uses a digitizer to input the map data to be displayed on the screen of the display means, thereby displaying the minimum necessary route, map, etc. to the destination. It has been made possible to do so.

Further, the device disclosed in Japanese Patent Application Laid-open No. 199377/1983 displays a directional reservation point mark at an arbitrary position on the screen of a display means, thereby easily and appropriately guiding the vehicle to the destination. It has been made possible to do so.

[Problems to be Solved by the Invention] Incidentally, in an on-vehicle navigation device, a destination is set at the departure point in order to guide the vehicle to the destination.

However, in conventional in-vehicle navigation devices,
When setting a destination for a vehicle, the next destination must be entered anew each time the vehicle arrives at the destination.
The disadvantage is that it is difficult to use.

Also, for example, when sightseeing in a city whose geography is unfamiliar, you have to input the optimal destination from multiple destinations, that is, the destination with the shortest distance, one after the other each time you arrive, and if you input the settings incorrectly, , the driver passes through the true destination and is guided to the wrong destination, increasing the travel distance, which is disadvantageous in practice.

[Purpose of the Invention] Therefore, the purpose of the present invention is to facilitate the input operation for setting the destination of the vehicle, avoid the inconvenience that causes misunderstandings in the driving operation of the vehicle, and guide the vehicle to the shortest distance to the destination. To realize an on-vehicle navigation device capable of displaying information and shortening the travel distance and travel time of a vehicle to a destination.

[Means for Solving the Problems] To achieve this object, the present invention provides a traveling direction detecting means for detecting traveling direction data of a vehicle, a traveling distance detecting means for detecting traveling distance data of the vehicle, and a traveling distance detecting means for detecting traveling distance data of the vehicle. map data storage means for storing travel route map data of the vehicle; display means for displaying the travel route map, current position and guidance information of the vehicle; and input means for inputting the departure point and destination of the vehicle. An in-vehicle navigation device having an in-vehicle navigation device is provided with an output means for outputting a notification signal when a destination is reached, and a plurality of destinations randomly inputted by the input means are sequentially selected in order of shortest distance, and various destinations from the various means are selected. Based on the data, the display means sequentially displays guidance information for the vehicle to the destination along with the road map and the current position, and when the vehicle arrives at the destination, the output means outputs a notification signal. The present invention is characterized in that it is provided with a control means for controlling as desired.

[Operation] With the above-described configuration, when a plurality of destinations are randomly input using the input means, the control means selects the destinations in order of the shortest distance, and the driving direction detecting means, the traveling distance detecting means, and the map data are selected. Based on various data such as driving direction data, driving distance data, driving route map data, etc. from various means such as storage means, guidance of the vehicle to the destination is displayed on the display means along with the driving route map and current position. In addition to displaying information, when the vehicle has arrived at the destination, it is notified by the output means, and control is performed to display guidance information to the next destination, and multiple destinations are randomly set and input at the departure point. The system is able to properly display guidance information such as the direction and distance to the destination.

[Embodiments] Hereinafter, embodiments of the present invention will be described in detail based on the drawings.

1 to 3 show embodiments of this invention. Second
In the figure, 2 is an in-vehicle navigation device mounted on a vehicle (not shown). This in-vehicle navigation device 2 is provided with a control section 4 serving as a control means. The control unit 4 includes a calculation control unit (CPU) 6 that controls the entire device, a storage unit (memory) 8, and a display control unit (display controller) 10 that controls the display of a screen 20 of a display device 22, which will be described later. Various communication parts (interfaces) 12
It is composed of.

The control unit 4 includes a direction sensor 14 as a running direction detection means for detecting vehicle running direction data using geomagnetism, a gyro, etc., and a vehicle speed sensor 16 as a running distance detection means for detecting vehicle running distance data from wheel speeds and the like. and CD-R
A map data storage device 18, which is a map data storage means for storing vehicle driving route map data such as an OM, and a CR.
A display device 22, which is a display means, has a screen 20 that displays a map A for the route of the vehicle, such as a T-LCD, a current military position B, and guidance information C; An input device 24, which is an input means for randomly setting and inputting a plurality of destinations, and a sound (voice) output device 26, which is a notification means, are connected.

The control unit 4 sequentially selects a plurality of destinations input at random through the input device 24 in order of shortest distance, and displays the destinations on the display device 22 based on various data from the various means.
The guidance information C to the destination of the vehicle is sequentially displayed along with the route map A and the current position of the own army position B, and when the destination is reached, the sound (voice) output device 26 notifies the vehicle. To be more specific, the control unit 4 has a configuration for controlling to output a signal. Based on this, guidance information C to the shortest destination of the vehicle is sequentially displayed on the screen 2o of the display device 22 along with the driving route map A and the own military position B, and the above-mentioned sound is displayed when the vehicle reaches the destination. (
The voice) output device 26 controls the output of the notification signal by voice or buzzer.

That is, the conventional in-vehicle navigation device displays the driving route map A and the detected current position of the own army position B on the screen 20 of the display device 22 based on the driving direction data, driving data, and driving route map data. , and also displays guidance information C to the destination. This is the basic function of an in-vehicle navigation device, but the present invention has a configuration that adds a function to the above-mentioned basic function to guide the user to the destination in a more detailed and shortest travel distance and time than ever before.

The control operation will be explained below along with the flowchart shown in FIG.

When control is started (100), first, ■, display device 2
Using the driving route map A on the screen 20 of 2 and the input device 24, a plurality of destinations from the departure point of the vehicle to the final destination are randomly set and input (assuming n destinations:
Destination = i is 1.2,..., 11..., n).

Then, the navigation device 2 registers a plurality of destinations in the destination list (102).

Next, (1) calculate all the distances Xi between the destination i in the objective list and the current military position B (104);

When the vehicle departs, select the shortest destination from the vehicle's own position B,
Distance to this destination name is XJ! / and the direction are calculated by the control unit 4 and displayed as guidance information C on a part of the screen 20 of the display device 22 (106).

(Example: "To destination l ↑ ○○○, ○km J is displayed at the bottom of the screen 20.") When the vehicle approaches destination t, the distance (determined by) (108), and if the distance If the distance Xl is greater than or equal to the specified value (108: No), repeat the process (104) in the previous step.

When the vehicle arrives at destination l, the arrival at destination l is displayed on the screen 20 of the display device 22, and the sound (voice) output device 26, which is a notification means, outputs a buzzer, voice, etc. for a certain period of time. Alternatively, it will notify you until the driver manually cancels it, and notify you that you have arrived at your destination (110).

(Example: Display “Arrived at destination t”) Next, (2) Delete destination t from the destination list (112).

■, Determine whether the number of registrations in the destination list is O, that is, 1 or more (114)L, If the number of registrations in the destination list is not 0, that is, 1 or more (114: No), then The process (104) is repeated.

Also, the number of registrations in the destination list is O (114: YE
In case S), the arrival at all the destinations randomly set and inputted in advance is announced by a buzzer, voice, and display (11B).

(Example: "All destinations have been reached" is displayed) Also, after the process (116), the control is ended (118).

It should be noted that each display in the above items 1 to 2 is displayed on the screen 20 of the display device 22, as shown in FIG.

In this way, according to the in-vehicle navigation device 2, multiple destinations can be set and input at random at the departure point, and guidance information C such as the direction and distance from the shortest destination to the final destination can be input. can be displayed appropriately.

For example, there is no need to input new settings for the next destination each time you arrive at each location on a route to a destination with unknown geography, and you can input settings randomly at the departure point. can. Therefore, it is easy to input the destination setting, and there is no need to input the next new destination setting while driving, thereby avoiding the possibility of misunderstandings in the vehicle driving operation. It is possible and has practical advantages.

Furthermore, even if multiple destinations are randomly set and input, after registering these multiple destinations in the target list, the control unit 4 calculates all the distances between the destinations in the target list and the own military position B. However, by selectively displaying the destination that is the shortest distance from the vehicle's own military position B, it is possible to shorten the travel distance and travel time to reach all the destinations, and improve usability.

[Effects of the Invention] As described in detail above, according to the present invention, an in-vehicle navigation device is provided with an output means for outputting a notification signal when the destination is reached, and a plurality of objectives randomly inputted by the input means are provided. The system sequentially selects destinations in order of shortest distance and sequentially displays guidance information for the vehicle to the destination on the display device based on various data from various devices in addition to the driving route map and current position, and also displays information on how to guide the vehicle to the destination. Since the control means is provided to control the output means to output a notification signal in case of an emergency, multiple destinations can be set and input at random at the departure point, and the direction from the shortest destination to the final destination can be input. Guidance information such as distance can be displayed appropriately, and it is easy to input destination settings, and there is no need to input new destination settings while driving, making it easier to operate the vehicle. This is advantageous in practice because it avoids the habituation that causes confusion. Further, even if a plurality of destinations are randomly set and input, the control means calculates the distances between the plurality of destinations and the current position, and selects and displays the destination with the shortest distance from the current position of the vehicle. This makes it possible to shorten the travel distance and travel time to reach all destinations, and improve usability.

[Brief explanation of drawings]

1 to 3 show embodiments of the present invention, FIG. 1 is a control flowchart of the in-vehicle navigation device, FIG. 2 is a block diagram of the in-vehicle navigation device, and FIG. 3 is a schematic explanatory diagram of the screen of the display device. It is. In the figure, 2 is an in-vehicle navigation device, 4 is a control unit, 6 is an arithmetic control unit (CPU), and 8 is a storage unit (memory).
, 10 is a display control unit (display controller), 1
2 is a communication unit (interface), 14 is a direction sensor,
16 is a vehicle speed sensor, 18 is a map data storage device, 20 is a screen, 22 is a display device, 24 is an input device, 26 is a sound (voice) output device, A is a map for the route of the vehicle, and B is the current location of the own army. The position, C, is guidance information. License Applicant: Suzuki Motor Co., Ltd. Patent attorney
Yoshimi Saigo

Claims (1)

[Claims] 1. Traveling direction detecting means for detecting vehicle traveling direction data, traveling distance detecting means for detecting traveling distance data of the vehicle, map data storage means for storing map data for the traveling route of the vehicle, and traveling route of the vehicle. An in-vehicle navigation device having a display means for displaying a map, a current position, and guidance information, and an input means for inputting a departure point and a destination of the vehicle, which outputs a notification signal when the destination is reached. An output means is provided, and a plurality of destinations randomly inputted by the input means are sequentially selected in order of shortest distance, and based on various data from the various means, the destinations are displayed on the display means together with the driving route map and the current position. An in-vehicle navigation device comprising: control means for sequentially displaying guidance information for the vehicle to a destination, and for controlling the output means to output a notification signal when the vehicle reaches the destination.