JP3957310B2 - Display device - Google Patents

Description

  The present invention relates to a display device that displays road traffic information along a road.

  Nowadays, navigation devices are widely used as a system for assisting driving so that a driver driving a moving body can reach a desired destination. In this device, GPS information from a plurality of GPS satellites is received by a GPS receiver mounted on the moving body, and the current position of the moving body is calculated using the received signals, and the current position is calculated based on the calculated current position. Thus, a mark indicating the current position of the moving body can be displayed on a map displayed on a display unit installed in the moving body.

  In addition to displaying the current position of the moving object as a mark, this navigation device receives various traffic information such as road congestion, accidents and traffic regulations provided from the outside of the moving object, and displays it on the display unit. A function for displaying and supporting the driver's driving more is provided.

  As a system for providing traffic information, a road traffic information system (VICS) of a road traffic information communication system center is representative.

  When traffic information is displayed on the display unit of the moving body based on the VICS information provided from the VICS, three types from level 1 to level 3 can be used as the display form. In particular, in the level 3 display mode, road congestion information, road regulation information, and accident information can be directly displayed on a map displayed on the navigation device.

  In this level 3, arrows indicating road congestion information, road regulation information, and accident information are displayed along the roads on the map. Then, by confirming the position and length of each arrow with respect to the road on the map, it is possible to confirm the actual traffic jam, regulation, accident location, and section.

  When receiving traffic information, a plurality of different traffic information may be received for the same section of one road. For example, when road congestion information and road regulation information are received for the same section of one road, in the level 3 display form, arrows corresponding to each information are displayed overlappingly, and one arrow becomes difficult to see. There is a case.

  In addition, when a plurality of different roads seen in relation to a general road and an expressway are constructed up and down, an arrow indicating traffic information on one road and an arrow indicating traffic information on the other road are displayed. It may be displayed overlapping, and the arrow on one road may be difficult to see.

  An object of the present invention is to provide a display device that allows easy viewing of road traffic information even under the above conditions.

According to the first aspect of the present invention, the acquired traffic information is assigned to a corresponding road for each type based on a display means, an acquisition means for acquiring traffic information, and a display map area displayed on the display means. An image creation means for creating an image of traffic information along which the traffic information is arranged, and a control means for causing the display means to display a map and an image of the traffic information. for one road in the map display area, when the image of the said kind of different traffic information image producing means there are multiple, sequential display repeated images of the respective traffic information on the map It is allowed, when the image of the traffic information there are not a plurality is characterized Rukoto the image of the traffic information is repeatedly displayed on the map.

  An embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a configuration diagram of an embodiment of the present invention, and FIG. 2 is an operation flowchart of the embodiment.

  FIG. 1 shows a case where the display device of the present invention is provided as a vehicle navigation device equipped with a VICS receiver. 1 is a GPS receiver, 2 is a VICS receiver, 3 is a position calculator, and 4 is a VICS information record. , 5 is a map information recording unit, 6 is a map drawing unit, 7 is a display unit, 8 is a VICS information extracting unit, 9 is a VICS image creating unit, 10 is a VICS image superimposing unit, 11 is an input operation unit, and 12 is a control unit. Reference numeral 13 denotes a processor (CPU) that performs processing.

  The GPS receiver 1 receives GPS information from a GPS satellite (not shown), and the position calculator 3 calculates the current position based on the received GPS information.

  The map drawing unit 6 reads map information of a predetermined area centered on the current position calculated by the position calculation unit 3 from the map information recording unit 5, creates a map image based on the read map information, and indicates the current position. It is displayed on the display unit 7 together with the mark.

  The road traffic information (hereinafter referred to as VICS information) received by the VICS receiving unit 2 is recorded in the VICS information recording unit 4, and the VICS information extracting unit 8 displays the VICS of the map area displayed on the display unit 7 by the map drawing unit 6. Information is extracted from the VICS information recording unit 4.

  The VICS image creating unit 9 creates a VICS image based on the extracted VICS information, and the VICS image superimposing unit 10 superimposes the created VICS image on the map image created by the map drawing unit 6 and displays it on the display unit 7. .

  Next, the operation of the display device of the present invention will be described with reference to FIG.

  In step S1, the control unit 12 moves the VICS information received by the VICS receiving unit 2 to step S2 and records it in the VICS information recording unit 4.

  In step S <b> 3, the VICS information extraction unit 8 extracts the VICS information of the display map area displayed on the display unit 7 from the VICS information recording unit 4.

  In step S4, the VICS image creation unit 9 creates a traffic jam / restriction image based on the VICS information extracted in step S3.

  FIG. 3A shows a map 7A displayed on the display unit 7, where 7B shows a highway and 7C shows a general road.

  The VICS image creation unit 9 divides traffic information images for each traffic information such as traffic jams / regulated sections into highways and general roads as shown in FIGS. 3B and 3C [FIG. 3C-1]. , (C-2)].

  If there is traffic on the highway 7B on the map 7A displayed in FIG. 3A and there is traffic and restrictions on the general road 7C, the traffic is on the highway 7B as shown in FIG. As shown in FIG. 3B, a traffic information image is shown with an arrow indicating a traffic jam section along the expressway 7B, and a traffic jam image is shown with an arrow along the general road 7C as shown in FIG. The traffic information image shown (FIG. 3 (C-1)) and the traffic information image (FIG. 3 (C-2)) which shows a restriction area with an arrow are created.

  The color in the arrow of the traffic information image indicated by the arrow is different for each road traffic information, and is displayed, for example, in the color scheme shown in FIG. That is, as shown in FIG. 4A, light blue is used for no traffic, orange is used for congestion, red is used for traffic, yellow is used for speed regulation, and pink is used for tire chain regulation.

  As shown in Fig. 4 (B), highways and ordinary roads are distinguished for each type of road, as shown in Fig. 4 (B), the edge of the arrow is blue and the edge of the general road is white. To do.

  In this way, it is possible to easily distinguish between highways and ordinary roads by changing the color of the edge of the arrow, and easily by blinking the arrow display even in the section where the highway and ordinary roads overlap. Can be distinguished.

  The display color is not limited to that shown in FIG.

  In step S5, the VICS image superimposing unit 10 superimposes one image of the traffic information image created in step S4 on the map image drawn by the map drawing unit 6.

  In step S6, the display unit 7 displays the map image on which the traffic information is superimposed in step S5.

  In step S7, the VICS image superimposing unit 10 determines whether or not a predetermined time (for example, 0.5 seconds) has elapsed. If the predetermined time (for example, 0.5 seconds) has elapsed, the process proceeds to step S8. Moving to S5, the next traffic information image created in step S4 is superimposed on the map image, and steps S5 to S8 are repeated.

  FIG. 5 shows an image displayed on the display unit 7. As described above, the map drawing unit 6 displays the map shown in FIG. 3A, and the VICS image creation unit 9 uses FIG. 3B, FIG. 3C-1 and FIG. 3C-2. The traffic information image shown is created.

  The VICS image superimposing unit 10 first superimposes and superimposes the traffic information (highway / congestion) image shown in FIG. 3B on the map image shown in FIG. The superimposed image shown is created. The created superimposed image is displayed for 0.5 seconds.

  Next, the traffic information (general road / congestion) image shown in FIG. 3C-1 is superimposed on the map image shown in FIG. 3A, and the result is shown in FIG. 5B. A superimposed image is created and displayed for 0.5 seconds.

  Next, the traffic information image (general road / regulation) image shown in FIG. 3C-2 is superimposed on the map image shown in FIG. A superimposed image is created and displayed for 0.5 seconds.

  As described above, since traffic jams, regulations, and the like are repeatedly displayed every predetermined time, the road traffic information is easy to see even if the width of the arrow indicating the section is constant.

  When the display of traffic jams, regulations, and the like is completed in step S8, the process proceeds to step S9, and the control unit 12 determines whether or not the display map area created by the map drawing unit 6 has changed. Moving to S3, steps S3 to S9 are repeated.

  If the determination is NO, the process proceeds to step S10, and the control unit 12 determines whether the record of the VICS information recording unit 4 has been updated. If the determination is NO, the process proceeds to step S5, and steps S5 to S10 are performed. If it is repeated and the determination is YES, the process moves to step S2 and steps S2 to S10 are repeated.

  In the embodiment, as described with reference to FIG. 5, the traffic information images of the expressway and the general road created by the VICS image creation unit 9 are sequentially superimposed and displayed on the map image. As shown, the traffic information image may be displayed separately for a highway and a general road.

  That is, the VICS image superimposing unit 10 superimposes and superimposes the traffic information images created by the VICS image creating unit 9 separately on the highway and the general road on the map image.

  Since the traffic information image for the expressway is only the traffic jam shown in FIG. 3 (B), the traffic jam image shown in FIG. 3 (B) is superimposed on the map image shown in FIG. 3 (A). By superimposing, a superimposed image shown in FIG. 6A is created and displayed for 0.5 seconds.

  Next, for general roads, the restriction image shown in FIG. 3 (C-2) is first displayed on the map image shown in FIG. 3 (A), followed by the restriction image shown in FIG. 3 (C-1). A traffic jam image is superimposed and overcoated, and a superimposed image shown in FIG. 6B is created and displayed for 0.5 seconds.

  Next, the restriction image shown in FIG. 3C-2 is overlaid on the superimposed image shown in FIG. 6B, and the superimposed image shown in FIG. 6C is created and displayed for 0.5 seconds. .

  That is, the display of FIG. 6 (A), FIG. 6 (B), and FIG. 6 (C) is repeated.

  In the general road, the case where the two traffic information images shown in FIGS. 3C-1 and 3C-2 are created has been described. For example, three types of traffic information images A, B, and C of different types are provided. When it is created, C, B, and A are sequentially superimposed on the map image, displayed, and B is superimposed on the next displayed image, and C is displayed on the next displayed image. Repeat the display with the top color superimposed.

  Further, as shown in FIG. 7, the highway may be displayed at all times and the general road may be displayed in a blinking manner.

  That is, the superimposed image shown in FIG. 7A is created by superimposing the congestion image of the expressway shown in FIG. 3B on the map image shown in FIG. For 0.5 seconds.

  Next, on the superimposed image shown in FIG. 7 (A), a general road restriction image shown in FIG. 3 (C-2) is first superimposed, and then a general road traffic jam image shown in FIG. 3 (C-1) is superimposed. The superimposed image shown in FIG. 7B is created and displayed for 0.5 seconds.

  Next, the restriction image shown in FIG. 3C-2 is superimposed on the superimposed image shown in FIG. 7B, and the superimposed image shown in FIG. 7C is created and displayed for 0.5 seconds. Is done.

  That is, the display of FIG. 7 (A), FIG. 7 (B) and FIG. 7 (C) is repeated.

  The general road may be displayed at all times and the highway may be blinked.

  Further, as shown in FIG. 8, the highway and the general road may be displayed at the same time, and the general road may be blinked.

  In other words, the VICS image superimposing unit 10 places the traffic image of the expressway shown in FIG. 3B on the map image shown in FIG. 3A, and the restriction image of the general road shown in FIG. 3C-2. And the traffic image of the general road shown in FIG. 3 (C-1) is superimposed one on top of the other, and the superimposed image shown in FIG. 8 (A) is created and displayed for 0.5 seconds.

  Next, the restriction image of the general road shown in FIG. 3C-2 is superimposed on the superimposed image shown in FIG. 8A to create a superimposed image shown in FIG. Display for 5 seconds.

  That is, the display of FIG. 8 (A) and FIG. 8 (B) is repeated.

  As described above, the traffic information image for each traffic information corresponding to the road on the map is created, and the created traffic information image is sequentially repeated for a predetermined time to be superimposed and displayed on the map image. Information can be made easy to see.

It is a block diagram of the Example of this invention. It is an operation | movement flowchart of the Example. It is explanatory drawing of the image which a VICS image preparation part produces. It is explanatory drawing of a display color. It is explanatory drawing of the display in a display part. It is explanatory drawing of the display in a display part. It is explanatory drawing of the display in a display part. It is explanatory drawing of the display in a display part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 GPS receiving part 2 VICS receiving part 3 Position calculation part 4 VICS information recording part 5 Map information recording part 6 Map drawing part 7 Display part 7A Map 7B Expressway 7C General road 8 VICS information extraction part 9 VICS image creation part 9A Expressway Traffic congestion section 9B General road traffic congestion section 9C General road regulation section 10 VICS image superimposing section 11 Input operation section 13 Processor (CPU)

Claims (5)

Display means;
An acquisition means for acquiring traffic information;
Image creation means for creating an image of the traffic information in which the traffic information is arranged along the corresponding road for each type of the acquired traffic information based on the display map area displayed by the display means; ,
Control means for causing the display means to display a map and an image of the traffic information;
Have
When there are a plurality of different types of traffic information images created by the image creation unit for one road in the display map area, the control unit displays the image of each traffic information as the map. It is repeatedly sequentially displayed on the traffic when the image information is not there are a plurality, display device comprising Rukoto the image of the traffic information is repeatedly displayed on the map.   The display device according to claim 1, wherein the image creation unit creates the traffic information image by distinguishing the acquired traffic information for each type of road.   The display device according to claim 1, wherein the image creation unit creates the traffic information image by distinguishing the acquired traffic information for each type of the traffic information. Wherein, for one of the road of the map display area, when the image of the said kind of different traffic information image producing means there are multiple images for a predetermined time of each of the traffic information display device according to any one of claims 1 to 3, wherein Rukoto repeated by sequentially displayed for each. A display control method for controlling a display image of a display means,
An acquisition process for acquiring traffic information;
An image creation step of creating an image of the traffic information in which the traffic information is arranged along the corresponding road for each type of the acquired traffic information based on the display map area displayed by the display means; ,
A control step for performing control to display a map and an image of the traffic information on the display means;
Have
In the control step, when said for one road in the map display area, images of different traffic information of the type created by the image creation process there are multiple, the image of each of the traffic information is repeatedly sequentially displayed on the map, the traffic in the case where the image information is not there are a plurality, display control method characterized by performing control the image of the traffic information Ru is repeatedly displayed on the map.

Images