JP7294839B2 - navigation device - Google Patents

Description

The present invention relates to a navigation device that searches for and displays a route to a destination.

2. Description of the Related Art Conventionally, in a car navigation system having a function of searching for a route from a predetermined point to a destination, nodes such as intersections on the route are displayed on a map when re-searching the route. There is known a system comprising node instruction means for instructing to move to another node such as an intersection, and route search means for re-searching the route so as to pass through the node after the movement (for example, Patent Document 1).

In such a car navigation device, when a node is moved and a new route passing through the moved node is re-searched, the distance from the current location to the destination is greater than the original route passing through the node before movement. Subject to change. Further, the destination may not be displayed on the display device depending on the display magnification of the display device of the car navigation device or the distance to the destination.

JP-A-2007-3328

Therefore, when the destination is not displayed on the display, when moving a node, the distance from the current location to the destination on the route before moving the node is compared with the current location on the route passing through the node after moving. There was a problem that it was not possible to select the destination of the node based on the distance to the destination because it was not clear whether the distance from the node to the destination would be longer or shorter.

Therefore, the present invention solves the above-mentioned problems, and the distance from the current position to the destination on the route passing through the node before movement is calculated from the current position on the route passing through the node after movement during the movement operation of the node. To provide a navigation device for displaying whether the distance to a destination is longer or shorter.

A navigation device according to the present invention is a navigation device having a route search function for searching for a route to a destination, and includes a display unit for displaying a map, and a first node on a first route that is displayed on the map. node moving means for instructing to move to a second node of; route searching means for re-searching a second route passing through said second node; and from the current location on said first route to said destination a determination unit that determines whether the distance from the current location to the destination on the second route increases or decreases, and based on the determination result of the determination unit, the destination According to the present invention, a determination display is displayed on the display section to show the direction of the destination linearly from the second node, depending on whether the distance to the destination becomes longer or closer.

Further, the navigation device according to the present invention determines whether the distance from the current location to the destination on the second route is longer or shorter than the distance from the current location to the destination on the first route. is displayed on the display unit so as to be recognizable by one or more selected from the color, number, or size of the arrow- shaped judgment display.

Further, the navigation device according to the present invention is characterized in that, based on the determination display, the user of the navigation device confirms the second route as the route to the destination.

Does the present invention increase the distance from the current location to the destination on the route that passes through the node after movement compared to the distance from the current location to the destination on the route that passes the node before movement during the node movement operation? You can see if it gets shorter.

2 is a block diagram showing the electrical configuration of the navigation device of Example 1; FIG. It is a front view of the main body of a navigation apparatus equally. FIG. 11 is an explanatory diagram showing a procedure for moving a node; FIG. 11 is an explanatory diagram showing a procedure when nodes are moved continuously; (A) It is explanatory drawing which shows enlargement operation of a map display same. (B) It is explanatory drawing which shows reduction operation of a map display same. It is an explanatory view showing a scroll operation of the map display. FIG. 11 is an explanatory diagram showing another scroll operation of the map display;

Embodiments of the present invention will be described below with reference to the accompanying FIGS. 1 to 7. FIG. The examples described below do not limit the content of the claimed invention. Moreover, not all the configurations described below are essential requirements of the present invention.

FIG. 1 is a block diagram showing the electrical configuration of the navigation device 1 of this embodiment. The navigation device 1 includes a control means 2, a GPS (Global Positioning System) receiver 3, an operation unit 4, a transmitter/receiver 5, a display 6, and a storage 7. It is

The control means 2 includes a CPU (Central Processing Unit) and controls the entire navigation device 1 based on a program stored in the storage section 7 . Each function of the navigation device 1 is realized by the CPU executing arithmetic processing according to a program. The control means 2 also includes a route searching means 8 for searching for a route to a destination, a node moving means 9 for instructing to move a node to another node, and a map displayed on the display unit 6 which is enlarged and displayed. The distance K2 from the current location to the destination on the route R1 becomes longer or closer to the distance K1 from the current location to the destination on the route R1, which will be described later. and a determination unit 21 that determines whether the distance K3 from the current location to the destination on the route R3 is longer or shorter than the distance K2 from the current location to the destination on the route R2. .

The GPS receiving unit 3 constitutes a position measuring unit that acquires the current position of the navigation device 1, and receives radio waves from a plurality of satellites 11 wirelessly to obtain the three-dimensional position (longitude, latitude and altitude) and sends the position information to the control means 2. A position detection device other than the GPS receiver 3 may be used as long as it can detect the current position of the navigation device 1 . In addition, the artificial satellite 11 is equipped with an atomic clock. An extremely accurate time signal wave is transmitted from the artificial satellite 9 at a specific frequency, and the time axis of the navigation device 1 is defined by receiving this signal with the GPS receiver 3 .

The operation unit 4 sends an electrical operation signal to the control means 2 in response to a user's operation. As shown in FIG. 2 , the operation unit 4 includes a touch panel 12 provided on the display unit 6 and a plurality of push switches 13 provided on the main body 14 of the navigation device 1 . It should be noted that a configuration may be adopted in which a remote controller capable of performing operations equivalent to those performed by the operation unit 4 is provided.

The transmitting/receiving unit 5 enables two-way communication with other devices such as mobile terminals (not shown) and VICS (registered trademark) communication devices (not shown) via wireless communication means. . Therefore, various information such as traffic jam information and map information can be transmitted/received to/from a portable terminal or the like.

The display unit 6 receives a display control signal from the control means 2 and displays various information such as map information and the current position of the navigation device 1 . The display unit 6 is composed of a liquid crystal module and a liquid crystal panel that are exposed in front of the main body 14 of the navigation device 1. As is well known, these liquid crystal modules and liquid crystal panels are dots in which a large number of sub-pixels are arranged in a lattice. A matrix display is performed.

The storage unit 7 is configured using various storage devices such as a magnetic hard disk device and a semiconductor storage device. Various types of information such as programs and map information are stored in the storage unit 7 , and these information can be updated, such as by changing, adding, or deleting, via the transmitting/receiving unit 5 . Further, the distances K1 and K2 from the current location to the destination on the routes R1 and R2 are sequentially overwritten and stored in the storage unit 7 .

When the user inputs the name of the destination through the operation unit 4, the route searching means 8 receives the input signal and searches for a route R1 to the destination. Also, a display signal is sent to the display unit 6 to highlight the route R1. Further, when a node movement operation, which will be described later, is performed, the movement destination node D1 is selected, the operation signal is received, and the route R2 is searched again, and a part of the route R1 is displayed on the display unit 6 with a dotted line. A display signal is sent to Also, a display signal is sent to highlight the route R2.

The node moving means 9 enables a node moving operation by a touch operation or a drag operation, which will be described later. In addition, a display signal of nodes and routes is sent to the display unit 6 to enable display of nodes and routes corresponding to each stage of movement operation.

The display magnification etc. changing means 10, which is a display changing means, includes a rotation drag operation, touch operation of the + (plus) button 17 and - (minus) button 18, touch scroll, drag scroll, flick scroll, and touch of the scroll section 19, which will be described later. Upon receiving an operation signal corresponding to the operation, it sends a display change signal corresponding to each operation to the display section 6 .

When the route R2, which is the second route, is re-searched, the determination unit 21 reads the distance K1 from the current location to the destination on the route R1, which is the first route, stored immediately before from the storage unit 7, and determines the route R2. is compared with the distance K2 from the current location to the destination in , and it is determined whether the distance K2 is farther (longer) or closer (shorter) than the distance K1. Further, when the route R3, which is the second route, is re-searched, the determination unit 21 reads the distance K2 from the current location to the destination on the route R2, which is the first route, stored immediately before from the storage unit 7, It is compared with the distance K3 from the current position to the destination on the route R3, and it is determined whether the distance K3 is farther (longer) or closer (shorter) than the distance K2. Then, the determination unit 21 sends a determination result signal to the display unit 6, and the display unit 6 displays the destination direction arrow 22, which is a determination display, according to the determination result signal.

FIG. 3 shows a method of moving a node, which is an intersection on the route R1 from the current location to the destination, to another node, which is an intersection, among operations of the navigation device 1, and re-searching the new route R2. will be described with reference to In this embodiment, the intersections displayed on the display unit 6 are used as nodes, and seven nodes 15a, 15b, 15c, 15d, 15e, 15f, and 15g are displayed in FIG.

FIG. 3A shows a map display before searching for route R1. When the user inputs the name of the destination and the like using the operation unit 4 to search for the route R1 from the current location to the destination, the route R1 is highlighted as shown in FIG. 3B. Route R1 passes through nodes 15a-15d. When the user presses and touches the route R1 with the finger 16 in this display state, intersections (nodes 15a to 15d) on the route R1 are displayed as selection targets S as shown in FIG. 3(C). In this embodiment, the selection object S is displayed as a black square (a filled square, including a case of color display using a color other than black).

Next, as shown in FIG. 3(D), when the user selects the node 15b (selection target S1) as the first node to be moved by performing a touch operation with the finger 16, the display shown in FIG. 3(E) is displayed. As shown, the selected node 15b is displayed as the operation target T1. In the present embodiment, the operation target T1 is displayed as a white square (an unfilled square, including a case of color display using a color other than black). The operation target T1 can be moved by a drag operation.

When the user drags the operation target T1 to move it to the position of the node 15e as the second node to be moved, as shown in FIG. It is represented by a white square, which is the same representation as T1. At this time, the node 15b selected as the operation target T1 is displayed by a white square.

When the operation target T1 is dragged to move to the position of the node 15e, the node 15e is selected as the destination node D1, and the route searching means 8 searches again for the route R2 passing through the destination node D1. When the route R2 is re-searched, a display signal of the destination direction arrow 22 is sent from the determination unit 21 to the display unit 6, and the triangular destination direction arrow 22 is displayed from the destination node D1 toward the destination. be. The destination direction arrows 22 are on a straight line connecting the destination node D1 and the destination, and three arrows are displayed at equal intervals on the destination node D1 side. The straight line connecting the destination node D1 and the destination is not displayed on the display unit 6. FIG.

The destination direction arrow 22 indicates the distance K1 from the current location to the destination on the route R1, which is the first route before the node movement, from the current location on the route R2, which is the second route passing through the destination node D1. It displays whether the distance K2 to the destination is longer (longer) or shorter (shorter). Based on the determination result of the determination unit 21, the destination direction arrow 22 is displayed in red when the distance K2 is long, and the destination direction arrow 22 is displayed in blue when the distance K2 is short. The display color of the destination direction arrow 22 is merely an example, and may be displayed in other colors as long as it is possible to distinguish when the distance is long and when the distance is short.

The destination direction arrow 22, which is the determination display of the present embodiment, indicates whether the distance K2 is longer or shorter than the distance K1 in such a way that the color can be recognized as described above. It may be displayed so as to be recognizable by the number of directional arrows 22 . For example, when the distance K2 is farther than the distance K1, more destination direction arrows 22 (for example, 5) are displayed, and when it is closer, fewer destination direction arrows 22 (for example, 2) are displayed. do. Alternatively, the size of the destination direction arrow 22 may be used to indicate whether the distance K2 is longer or shorter than the distance K1. For example, when the distance K2 is longer than the distance K1, the destination direction arrow 22 is displayed larger, and when the distance is closer, the destination direction arrow 22 is displayed smaller.

Further, when the destination node D1 is selected, a triangular movement direction arrow 23 is displayed from the position of the node 15b as the selection target S1 toward the node 15e as the destination node D1. Therefore, it is possible to easily visually recognize in which direction the node is moved. The movement direction arrows 23 are displayed at regular intervals on the straight line connecting the selection target S1 and the destination node D1. When the distance from the selection target S1 to the destination node D1 is short (short), the number of displayed movement direction arrows 23 decreases. In this example, two movement direction arrows 23 are displayed. The movement direction arrow 23 in this embodiment is displayed in the same color as the destination direction arrow 22, but may be displayed in a color different from that of the destination direction arrow 22. A desired color can be selected as long as it is visible. It is possible. Note that the straight line connecting the selection target S1 and the destination node D1 is not displayed on the display unit 6 .

Further, when the destination node D1 is selected, a route display signal is sent from the node transfer means 9 to the display unit 6, and of the portion highlighted as the route R1, the portion not on the route R2 is indicated by a dotted line. display is changed. In this embodiment, a portion 24 between the node 15b and the node 15c is displayed with a dotted line. Note that the route R2 is not highlighted at this point.

As shown in FIG. 3(F), after selecting the destination node D1, if the selection of the destination node D1 is canceled and another node is selected as the destination node D1, the finger 16 is released from the touch panel 12. Without dragging the operation target T1 to another node, the destination node D1 is selected. Then, the route R2 passing through the destination node D1 is re-searched, and the destination direction arrow 22 and the movement direction arrow 23 are displayed. The portion 24 not shown is changed to dotted line display.

Thereafter, when the finger 16 is released from the touch panel 12, the change to the route R2 passing through the destination node D1 is confirmed and the route R2 is highlighted, as shown in FIG. 3(G). At this time, the route R2 is highlighted, the operation target T1 (node 15b) becomes the selection target S and is displayed as a black square, and other intersections (nodes 15a, 15c, 15d, 15f) on the route R2 are also displayed. The selection target S is displayed as a black square. Also, the destination node D1 is displayed as an oblique white square (which is an unfilled square rotated by 45 degrees, including the case of color display using a color other than black). Also, the destination direction arrow 22 and the movement direction arrow 23 are hidden.

After the change from the route R1 to the route R2 is confirmed, the method of moving the nodes on the route R2 to another node and re-searching the new route R3 will be described with reference to FIG. Here, route R2 is the first route and route R3 is the second route. FIG. 4A shows the same display as FIG. 3G. As shown in FIG. When the node 15d (selection target S2) as the first node to be operated is selected by performing a touch operation with the finger 16, the selected selection target S2 becomes a white square as the operation target T2, as shown in FIG. 4(C). Displayed by

When the user drags the operation target T2 and moves it to the position of the node 15g as the second node to be moved, the node 15g is indicated by a white square as the destination node D2 as shown in FIG. 4(D). Is displayed. In addition, the destination direction arrow 22 and the movement direction arrow 23 are displayed, and the portion not on the route R3 among the portions highlighted as the route R2 is changed to dotted line display. In this embodiment, the portion 25 from the node 15c to the destination passing through the node 15d is indicated by a dotted line.

Thereafter, when the finger 16 is released from the touch panel 12, the route R3 passing through the destination node D2 is re-searched and highlighted, as shown in FIG. 4(E). At this time, the route R3 is highlighted, the display disappears because the operation target T2 (node 15d) is not on the route R3, and the other intersections (nodes 15a, 15b, 15c, 15f) on the route R3 are The selection target S is displayed as a black square. Also, the destination node D1 and the destination node D2 are displayed as oblique white squares.

Next, a map display enlargement/reduction operation during the drag operation of the operation targets T1 and T2 will be described. When enlarging/reducing the map display displayed on the display unit 6 during the drag operation for moving the operation targets T1 and T2, the finger 16 moving the operation targets T1 and T2 is moved from the touch panel 12. A drag operation (hereinafter referred to as a “rotational drag operation”) is performed so as to draw a circle without letting go. In this embodiment, as shown in FIG. 5(A), the map display can be enlarged by a clockwise rotational drag operation, and as shown in FIG. 5(B), the map display can be reduced by a counterclockwise rotational drag operation. can. When the drag operation for moving the operation targets T1 and T2 is started, an icon (not shown) indicating that the rotation drag operation is possible is displayed on the display unit 6. FIG. Therefore, the user can visually recognize that the rotational drag operation is possible. It should be noted that the display is not limited to the icon as long as it indicates that the rotational drag operation is possible, and other displays may be used. The enlargement/reduction of the map display in this embodiment is performed centering on the position (base point) at which the rotational drag operation is started. can be It should be noted that the configuration may be such that the left rotation enlarges the image and the right rotation reduces the image. When not dragging, the map display can be enlarged by touching the + (plus) button 17 (see FIGS. 3 to 5) displayed on the display unit 6. The map display can be reduced by touching the minus button 18 (see FIGS. 3 to 5).

Next, the map display scrolling operation during the drag operation of the operation targets T1 and T2 will be described. In the present embodiment, in a display state other than during a drag operation, which is an operation to move the operation targets T1 and T2, the map displayed on the display unit 6 can be changed by touching the display unit 6 so that the point touched is displayed on the display unit. The map can be scrolled (hereinafter referred to as “touch scroll”) so that it is displayed in the center of 6 . Further, by performing a drag operation, the map can be scrolled in the drag direction (hereinafter referred to as "drag scroll"). Further, by performing a flick operation, the map can be scrolled in the flick direction (hereinafter referred to as "flick scroll"). However, since the drag operation of the operation targets T1 and T2 is prioritized during the movement operation of the operation targets T1 and T2, the touch scroll, drag scroll, and flick scroll are disabled, and the map display cannot be scrolled by these methods. It is not possible.

As shown in FIG. 6, during the drag operation, the map display can be scrolled by moving the finger 16 that moves the operation targets T1 and T2 to the scroll portion 19, which is the peripheral end portion of the display portion 6. can. At this time, the map display scrolls in the direction of the extension line L2 of the straight line L1 connecting the center point C of the display unit 6 and the touch point F of the finger 16 moved to the scroll unit 19 . Therefore, when it is desired to move the operation objects T1 and T2 to a node not displayed on the display unit 6, the operation objects T1 and T2 are dragged in the direction in which the node is located, and the finger 16 is moved within the range of the scroll unit 19. By moving inward, the map display is scrolled in that direction, the node is displayed on the display unit 6, and the operation objects T1 and T2 are moved. The scroll portion 19 is provided with a constant width W at the peripheral end portion of the display portion 6, and the length of the width W can be set arbitrarily. In FIG. 6, the range of the scroll section 19 is indicated by diagonal lines for explanation, but the range of the scroll section 19 is not actually displayed on the display section 6. As shown in FIG. Note that the scroll portion 19 may be displayed so as to be visually recognizable so as not to significantly hinder the visibility of the map display and the like displayed on the display portion 6 .

The direction and amount of scrolling by the scrolling unit 19 can be set as appropriate. For example, as shown in FIG. 7, when the finger 16 is moved to an upper scroll portion 19U provided at the upper end portion of the display portion 6 of the scroll portion 19, the map display is scrolled upward and displayed at the lower end portion of the display portion 6. When the finger 16 is moved to the lower scroll portion 19D provided, the map display is scrolled downward, and when the finger 16 is moved to the left scroll portion 19L provided at the left end of the display portion 6, the map display is scrolled leftward. When the finger 16 is moved to the right scroll portion 19R provided at the right end of the display portion 6, the map display is scrolled rightward, and the upper left scroll portion 19UL provided at the overlapping portion of the upper scroll portion 19U and the left scroll portion 19L is displayed. When the finger 16 is moved, the map display scrolls in the upper left direction, and when the finger 16 is moved to the upper right scroll portion 19UR provided in the overlapping portion of the upper scroll portion 19U and the right scroll portion 19R, the map display scrolls in the upper right direction. When the finger 16 is moved to the lower left scrolling portion 19DL provided in the overlapping portion of the lower scrolling portion 19D and the left scrolling portion 19L, the map display scrolls in the lower left direction, and is provided in the overlapping portion of the lower scrolling portion 19D and the right scrolling portion 19R. The map display may be scrolled in the lower right direction by moving the finger 16 to the lower right scroll portion 19DR. Alternatively, scrolling may be performed so that the touch point F of the finger 16 on the scrolling portion 19 is displayed at the center of the display portion 6 .

As described above, the navigation device 1 of this embodiment has a route search function for searching for a route to a destination. to the node 15e on the map, the route search means 8 for re-searching the route R2 passing through the node 15e, and the distance K1 from the current position to the destination on the route R1. , a determination unit 21 that determines whether the distance K2 from the current location to the destination on the route R2 is longer or shorter, and based on the determination result of the determination unit 21, whether the distance K2 to the destination is longer or shorter. By displaying the destination direction arrow 22 shown on the display unit 6, the distance K1 from the current location to the destination on the route R1 passing through the node 15b before movement is displayed on the display unit 6, and the node 15e after movement is displayed. It is possible to visually recognize whether the distance K2 from the current position to the destination on the route R2 passing through becomes longer or shorter. Also, the destination of the node can be selected while confirming whether the distance K2 is longer or shorter than the distance K1.

Further, the navigation device 1 of the present embodiment indicates whether the distance K2 to the destination on the route R2 is longer or shorter than the distance K1 to the destination on the route R1. Alternatively, by displaying on the display unit 6 so as to be recognizable by one or more selected from the size, the distance K1 from the current location to the destination on the route R1 passing through the node 15b before movement during the node movement operation. On the other hand, it is possible to intuitively recognize whether the distance K2 from the current location to the destination on the route R2 passing through the node 15e after movement is longer or shorter.

It should be noted that the present invention is not limited to the above embodiments, and various modifications can be made within the scope of the gist of the present invention. For example, in the above embodiment, the destination direction arrow 22 and the movement direction arrow 23 are displayed in the same triangular shape, but other shapes may be used as long as the pointing direction can be recognized. Also, the destination direction arrow 22 and the movement direction arrow 23 may have different shapes.

1 Navigation Device 6 Display Unit 8 Route Search Means 9 Node Moving Means 10 Display Magnification Changing Means (Display Changing Means)
15b node (first node)
15d node (first node)
15e node (second node)
15g node (second node)
21 determination unit 22 destination direction arrow (determination display)
K1 Distance from the current location to the destination on route R1 K2 Distance from the current location to the destination on route R2 K3 Distance from the current location to the destination on route R3 R1 Route (first route)
R2 route (first route, second route)
R3 route (second route)

Claims (3)

A navigation device having a route search function for searching for a route to a destination,
a display unit for displaying a map;
node movement means for instructing movement of a first node on the first route to a second node on the map;
route searching means for re-searching for a second route passing through the second node;
a determination unit that determines whether the distance from the current location to the destination on the second route is longer or shorter than the distance from the current location to the destination on the first route;
has
displaying, on the display unit, a determination display indicating whether the distance to the destination is getting longer or closer based on the result of determination by the determining unit, and indicating the direction of the destination linearly from the second node. A navigation device characterized by: The color, number, or size of the arrow- shaped determination display indicates whether the distance to the destination on the second route is longer or shorter than the distance to the destination on the first route. 2. The navigation device according to claim 1, wherein one or more selected from are displayed on the display so as to be recognizable. 3. The navigation device according to claim 1, wherein the user of the navigation device confirms the second route as the route to the destination based on the determination display.

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