JP2004205314A - Navigation device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a navigation device for causing a user to recognize regulated positions, and further, easily guiding the user to a search object. <P>SOLUTION: This navigation device is provided with a display part 19 capable of changing a display zone in a map, an input part 10 for a user to perform a move instruction of the display zone in the map, drive parts 12 and 13 for giving prescribed driving force to the input part 10, and regulation information acquisition means 21 and 22 for acquiring information on regulated positions for vehicle traffic. When the user gives an instruction to move toward a regulated position in a display zone in the map, the drive parts 12 and 13 give the input part 10 prescribed driving force in a direction opposite to the instructed moving direction. Further, guide courses having facilities of specific kinds as destinations, wherein ones of the same kind plurally exist, can be displayed on the display part 19, and the drive parts 12 and 13 give the input part 10 prescribed driving force along a guide course to the facilities of specific kinds. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a navigation device capable of restricting a user from moving a cursor or scrolling a map.
[0002]
[Prior art]
2. Description of the Related Art In a navigation device, there is a navigation device that scrolls on a road during route guidance using an operation unit having resistance when performing a scroll operation on a map (for example, see Patent Document 1). This navigation device is configured to generate a predetermined resistance to the operation of the operation unit when scrolling is performed in a direction that does not follow the guidance route.
[0003]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 2002-31539
[Problems to be solved by the invention]
However, in the navigation device described in Patent Document 1, when the navigation device is operated when route guidance is not performed, scrolling can be performed in the reverse direction even when there is a restriction such as one-way traffic, and the user can be scrolled in the reverse direction. There was a risk of misunderstanding that the vehicle could run.
[0005]
In the navigation device described in Patent Document 1, scrolling of a specific road is also performed only when a destination is set, but the user may not be searching for a specific point. That is, this is a case where a parking lot around the destination is searched. In such a case, it is possible to set a destination in the parking lot, but it is often the case that when actually going to the site, it is not possible to park at full capacity. In such a case, there is a problem that it is necessary to wait for the parking lot to become empty or to go around the parking lots one by one to search for an empty parking lot.
[0006]
In view of the above, an object of the present invention is to provide a navigation device that allows a user to recognize a restricted place. Still another object is to provide a navigation device that can easily guide a user to a search target.
[0007]
[Means for Solving the Problems]
To achieve the above object, according to the first aspect of the present invention, a map and a cursor are displayed in a superimposed manner, and a display unit (19) capable of changing a display range of the map is provided. An input unit (10) for instructing the movement of the position and for instructing the movement of the display range of the map on the display unit; a driving unit (12, 13) for applying a predetermined driving force to the input unit; Control information obtaining means (21, 22) for obtaining control information on a control point that is in a position where the user instructs the input unit to move the cursor position in a direction to enter the control point; The unit provides a predetermined driving force to the input unit in a direction opposite to the movement instruction direction by the user.
[0008]
In this way, when the user attempts to move the cursor to the restricted location, a predetermined driving force (resistance) is applied to the input unit (10) to restrict the cursor movement (map scroll) to the restricted location. it can. Thus, the restricted location can be recognized by transmitting the tactile sensation of the user, and it can be prevented that the user is misunderstood that the vehicle can proceed to the restricted location where the vehicle traveling is restricted.
[0009]
According to the second aspect of the present invention, a guidance route having a destination of a specific type of facility having a plurality of the same type as a destination is configured to be displayed on the display unit, and the driving unit is configured to display the specific type with respect to the input unit. A predetermined driving force is applied along a guidance route to a facility.
[0010]
In this way, when guiding a specific facility as a search target, by applying a predetermined driving force (pull-in force) to the operation unit (10) along the guidance route, not only the route guidance on the screen but also It can be transmitted to the user's tactile sensation. Thereby, the positional relationship of the search target can be more accurately conveyed to the user, and the user can be easily guided to the search target. Further, if the latest parking lot availability information or the like is acquired using a communication function or the like, the user can be efficiently guided to a specific facility.
[0011]
In addition, the code | symbol in the parenthesis of each said means shows the correspondence with the concrete means described in embodiment mentioned later.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
[0013]
FIG. 1 is a block diagram illustrating a schematic configuration of a vehicle navigation device according to the present embodiment, and FIG. 2 is an explanatory diagram illustrating an arrangement relationship between an input unit 10 and a display unit 19 in a vehicle cabin. As shown in FIG. 1, the navigation device according to the present embodiment includes an input unit 10, motors 12 and 13, encoders 14 and 15, a movement amount calculation unit 16, a driving force calculation unit 17, a motor control unit 18, a display unit 19, and a display. The control unit 20 includes a control unit 20, a display data generation unit 21, a communication unit 22, a control content setting unit 23, and the like.
[0014]
Although not shown, the navigation device is provided with a storage unit that stores various information such as map information and a position detection unit that detects the current position (own vehicle position) of the vehicle. The information stored in the storage unit includes regulation information such as one-way traffic and closed roads that restrict vehicle traffic, and facility information related to locations of parking lots, restaurants, convenience stores, and the like. Further, the navigation device of the present embodiment has a route guidance function for guiding a route to a destination.
[0015]
The input unit 10 is for the user to instruct scrolling (moving amount, moving direction) of the map displayed on the display unit 19 and moving the cursor position on the map (moving amount, moving direction). As shown in FIG. 2, the input unit 10 is installed on an armrest or the like in the vehicle compartment so that the user can easily operate the input unit. The input unit 10 of the present embodiment is configured by a joystick having an operation lever 11. Motors 12 and 13 are connected to the X axis and the Y axis of the operation lever 11, respectively. The motors 12 and 13 constitute a driving unit that applies a predetermined driving force to the input unit 10, that is, the X axis and the Y axis of the operation lever 11.
[0016]
Encoders 14 and 15 are provided on the X axis and the Y axis of the operation lever 11, respectively. These encoders 14 and 15 detect the positions of the operation lever 11 on the X axis and the Y axis. Output signals from the encoders 14 and 15 are output to the movement amount calculation unit 16. The movement amount calculation unit 16 calculates the position (movement amount, movement direction) of the operation lever 11 based on signals from the encoders 14 and 15 and outputs the calculated position to the driving force calculation unit 17.
[0017]
The driving force calculation unit 17 calculates what driving force is applied to each of the motors 12 and 13 based on a signal from the movement amount calculation unit 16 and a signal from a control content setting unit 23 which will be described later. Output to the motor control unit 18. The calculation of the driving force in the driving force calculation unit 17 will be described later. The motor control unit 18 outputs a control signal to each of the motors 12 and 13, and the motors 12 and 13 apply a predetermined driving force to the operation lever 11 according to the control signals.
[0018]
The display unit 19 is configured to display information including a map on a screen in response to a signal from the display control unit 20 and to change a display range of the map. As shown in FIG. 2, the display unit 19 is disposed in front of the passenger compartment. On the map of the display unit 19, a vehicle mark indicating the own vehicle position is displayed, and further, a cursor mark that moves in accordance with the map scroll is displayed. The cursor moves on the map in accordance with the position (movement amount, movement direction) of the operation lever 11 of the input unit 10 and plays a role as a point of interest on the map. The screen display on the display unit 19 moves only the cursor within a cursor movable range set near the center of the screen and moves the cursor outside the cursor movable range in order to improve operability and visibility. At this time, the display is controlled so as to scroll the map.
[0019]
The screen data displayed on the display unit 19 is generated by the display data generation unit 21 from map information, facility information, and the like stored in a storage device (not shown). The data transmitted from the display data generation unit 21 to the display control unit 20 includes one-way traffic regulation information and facility information indicating the position of a parking lot or the like.
[0020]
The facility information is not a specific place, but relates to a specific type of facility such as a parking lot where a plurality of similar types exist. The navigation device of the present embodiment is configured to be able to search for a type of facility desired by the user from the facility information, and can provide route guidance using the searched facility as a destination.
[0021]
In addition, by communicating with the outside by the communication unit 22, it is possible to obtain the latest information such as temporary regulation information such as construction and accidents and the current free space information of the parking lot. Output to the display control unit 20. Note that the display data generation unit 21 and the communication unit 22 constitute a regulation information acquisition unit of the present invention.
[0022]
The display control unit 20 outputs the regulation information and the facility information obtained from the display data generation unit 21 and the communication unit 22 to the control content setting unit 23. The control content setting unit 23 sets a location where vehicle traffic such as one-way traffic is restricted as a restriction location for restricting cursor movement and map scrolling on the display unit 19 based on the regulation information. Further, in the control content setting unit 23, a desired facility (parking lot or the like) is searched from the facility information by the user, and when the route guidance is provided for the searched facility, the searched facility is displayed on the map on the display unit 19. Set as a guide area to guide scrolling.
[0023]
The control content setting unit 23 outputs the control content to the driving force calculation unit 17. As described above, the driving force calculation unit 17 calculates the driving force applied to the input unit 10 based on the signal from the movement amount calculation unit 16 and the signal from the control content setting unit 23. Specifically, when the user moves the cursor to the restricted place and performs an operation of moving the display range of the map, the input unit 10 is provided with a driving force in a direction opposite to the operation direction of the user. In addition, when performing route guidance for the search target facility, a driving force is applied to the input unit 10 along a guidance route toward the search target facility.
[0024]
Accordingly, when the user performs an operation of moving the cursor in a direction to enter the restricted portion, a predetermined resistance to return the operation lever 11 to the original direction is given in response to the operation of the operation lever 11 by the user. Power is given. Further, when performing route guidance for the search target facility, a predetermined retraction force is applied to pull the operation lever 11 in the direction of the route toward the search target facility.
[0025]
Hereinafter, the operation of the navigation device having the above configuration will be described with reference to the flowchart of FIG. First, a map of the current position or a position designated by a destination input or the like is displayed on the display unit 19 (S10).
[0026]
Next, the control content setting unit 23 sets the content of the regulation from the regulation information centered on this position (S11). This regulation is based on the principle that the cursor moves on the road, and moves smoothly on the road without resistance, and gives a strong resistance to the movement outside the road. For example, at a one-way exit, a road closed during construction, an entrance of a road where vehicle traffic is temporarily restricted in pedestrian paradise, etc., a strong resistance is given as in the case of traveling outside the road. . Conversely, when guiding to a parking lot, a gas station, a restaurant, or the like, the setting is made so that the driving force is applied so that the cursor is drawn on the road.
[0027]
Next, it is determined whether or not the operation lever 11 has been operated, and the process waits until the lever is operated (S12). When the lever operation is performed, the position of the operation lever 11 is calculated by the movement amount calculation unit 16 (S13). The position of the operation lever 11 corresponds to the position of the cursor on the screen, and the state where the cursor is at the center of the screen is used as a reference. When the operation lever 11 is operated by the user, the movement direction and the movement amount of the operation lever 11 are calculated by the movement amount calculation unit 16.
[0028]
Next, the driving force calculation unit 17 calculates a cursor movement expected position corresponding to the movement amount of the operation lever 11 (S14), and based on the cursor movement expected position, necessary driving of the motors 12, 13 to be applied to the input unit 10 The force is calculated (S15). The motors 12 and 13 are driven by a signal from the motor controller 18 based on the required driving force (S16). Specifically, when the cursor movement scheduled position is a road on which the vehicle can travel, the driving force is set to 0 to facilitate the operation of the operation lever 11 in that direction. Conversely, if the cursor movement scheduled position is not a road on which the vehicle can travel, a strong driving force is generated on the opposite side of the user's operation direction to provide resistance, and movement in that direction is regulated. Further, when a specific facility such as a parking lot, a gas station, a restaurant, or the like is being guided, a driving force is generated in the direction of the guidance route to be a pull-in force, and the movement in that direction is guided.
[0029]
Next, the screen display after the cursor movement is performed (S17). Until the lever operation is completed, the processes of steps S12 to S17 are repeatedly performed (S18).
[0030]
Further, operability can be improved by controlling as follows. In other words, when the resistance is set to 0 when the user is not operating, the operation lever 11 moves freely, so that the operation lever 11 moves by starting, stopping, turning, or the like of the vehicle, as if the user acted against the user's intention. Show behavior. In order to prevent this, even if the vehicle makes the above-described movement, a weak resistance force that does not move the operation lever 11 is generated in all directions.
[0031]
As a result, even when the operation lever 11 is slightly moved, the operation lever 11 is returned to the original position, and the operation lever 11 maintains the same position even when the user releases his / her hand. The user operates with a force that overcomes this weak resistance. By increasing the resistance in proportion to the amount of movement, a feeling of operation having a wall can be obtained.
[0032]
In addition, if the hand is suddenly released while a strong resistance is being generated, the operation lever 11 may be largely moved by the generated resistance. In order to prevent this, the resistance is gradually reduced when moving in the direction of the resistance, and the resistance is generated in the opposite direction when the movement is large, so that the operation lever 11 does not move too much. Control. The retraction force is similarly controlled to suppress large movement.
[0033]
As described above, according to the navigation device of the present embodiment, when the user attempts to move the cursor to the restricted part, the predetermined driving force (resistance) is applied to the input unit 10 to move the cursor to the restricted part. And map scrolling can be restricted. Thus, the restricted location can be recognized by transmitting the tactile sensation of the user, and it can be prevented that the user is misunderstood that the vehicle can proceed to the restricted location where the vehicle traveling is restricted.
[0034]
In addition, when a specific facility is being guided, a predetermined driving force (pull-in force) is given along the guidance route, so that not only the route is guided on the screen but also the tactile sensation of the user can be transmitted. , The positional relationship can be conveyed more accurately. Furthermore, if the latest parking lot availability information or the like is acquired using the communication function, the user can be efficiently guided.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a schematic configuration of a navigation device of the embodiment.
FIG. 2 is an explanatory diagram illustrating a positional relationship between an input unit and a display unit.
FIG. 3 is a flowchart showing the operation of the navigation device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 ... Input part, 11 ... Operation lever, 12, 13 ... Motor, 14, 15 ... Encoder, 16 ... Movement amount calculation part, 17 ... Driving force calculation part, 18 ... Motor control part, 19 ... Display part, 20 ... Display Control unit, 21: display data generation unit, 22: communication unit, 23: control content setting unit

Claims (2)

A display unit (19) for displaying a map and a cursor in an overlapping manner and changing a display range of the map,
An input unit (10) for instructing a user to move a position of the cursor on the map, and to move a display range of the map on the display unit;
A drive unit (12, 13) for applying a predetermined drive force to the input unit;
Regulation information acquisition means (21, 22) for acquiring regulation information on a regulation point where vehicle traffic is regulated,
When the user gives a movement instruction at the input unit in a direction in which the cursor position enters the restricted place, the driving unit causes the input unit to move in a direction opposite to the movement instruction direction by the user. A predetermined driving force to the vehicle. A guidance route having a destination of a specific type of facility where a plurality of the same types exist is configured to be displayed on the display unit,
The navigation device according to claim 1, wherein the driving unit applies a predetermined driving force to the input unit along a guidance route to the specific type of facility.

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