JP5296626B2 - Traffic jam status display system, terminal device, traffic jam status display server, traffic jam status display device, and traffic jam status display method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a traffic congestion state display system, a terminal device, a traffic congestion state display server, a traffic congestion state display device, and a traffic congestion state display method in which a traffic congestion state around a current position displayed on a screen is sensuously recognized only by having a glance at a displayed screen. <P>SOLUTION: In the side of the traffic congestion state display server, divisional sections are set by dividing a predetermined range on a map based on map data into several parts from a current position of a user of a terminal device, traffic congestion information as to a traffic congestion link is obtained, traffic congestion length and density in the divisional sections are set, radar figure data is formed based on the traffic congestion length and density, and the radar figure data is transmitted to the terminal device; and, in the side of the terminal device, the radar figure data is received from the traffic congestion state display server and a display screen displaying the radar figure data is displayed. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a traffic jam status display system, a terminal device, a traffic jam status display server, a traffic jam status display device, and a traffic jam status display method.

  Conventionally, in a general navigation apparatus, a technique for displaying a line parallel to a side of a traffic jam road on a screen and thereby displaying a traffic jam has been disclosed.

  In addition, in the navigation device described in Patent Document 1, the required passage estimated time of a congested road is calculated, and the height of the ground surface of the bird's eye view is changed based on the calculated time. Techniques to express are disclosed.

Japanese Patent Laid-Open No. 10-332397

  However, in the general navigation device as described above, since the traffic congestion status is shown for each road, the user must associate the traffic jam road displayed on the map with the actual road. The problem was that it took a relatively long time to check the surrounding traffic conditions. In addition, the navigation device has a problem in that it is difficult to distinguish because a line representing a traffic jam and a road have the same shape on a map scale.

  Further, in the navigation device described in Patent Document 1, the altitude of the ground surface of the congested road is increased, decreased, or greatly modified on the bird's eye view in order to express the traffic jam condition, so that it is displayed on the screen. It becomes difficult to associate the road on the map with the actual road, and it takes time to check the surrounding traffic conditions especially in unfamiliar land.

  The present invention has been made in view of the above problems, and a traffic jam status display system, a terminal device, and the like, which can grasp the traffic jam situation around the current position displayed on the screen sensuously just by looking at the display screen, It is an object of the present invention to provide a traffic jam status display server, a traffic jam status display device, and a traffic jam status display method.

  In order to achieve such an object, the traffic congestion status display system of the present invention communicates a traffic congestion status display server having at least a control unit and a storage unit, and a terminal device having at least the display unit and the control unit. A congested traffic status display system that is connected, wherein the storage unit of the traffic jam status display server comprises map data storage means for storing map data for at least road links, and the control unit of the traffic jam status display server A divided section setting means for setting a divided section obtained by dividing a predetermined range on the map based on the map data stored in the map data storage means into a plurality of sections from the current position of the user of the terminal device; The traffic information acquisition means for acquiring traffic information about the traffic congestion link, which is the road link, and the traffic information acquired by the traffic information acquisition means Based on the congestion information, the congestion length setting means for setting the length of the congestion in the divided section, and the ratio of the congestion link in the divided section based on the congestion information acquired by the congestion information acquisition means Radar graphic data is generated based on the traffic density setting means for setting the traffic density indicating the traffic density, the traffic jam length set by the traffic jam length setting means, and the traffic density set by the traffic density setting means Radar graphic data generating means for transmitting the radar graphic data generated by the radar graphic data generating means to the terminal device, and the control unit of the terminal device includes the traffic jam Radar graphic data receiving means for receiving the radar graphic data transmitted by the radar graphic data transmitting means of the status display server; Characterized by comprising a radar graphic display means for displaying on the display unit a display screen displaying received the radar graphic data was by the graphic data receiving means.

  The traffic jam status display system according to the present invention is the traffic jam status display system described above, wherein the divided section is a strip type parallel to a predetermined direction from the current position, or the current position. It is a section divided into a fan shape as a center.

  The traffic jam status display system according to the present invention is the traffic jam status display system described above, wherein the traffic jam length setting means has a length of the traffic jam link in the divided section or a length of the linked traffic jam link. The longest of these is set as the length of the traffic jam.

  The traffic jam status display system according to the present invention is the traffic jam status display system described above, wherein the traffic jam length setting means is a sum of the lengths of the traffic jam links in the divided sections as the traffic jam length. It is characterized by setting.

  The traffic jam status display system according to the present invention is the traffic jam status display system described above, wherein the traffic jam length setting means has a length of the traffic jam link in the same direction as the predetermined direction from the current position in the divided section. Is set as the length of the traffic jam.

  The traffic jam status display system according to the present invention is the traffic jam status display system described above, wherein the radar graphic data generating means converts the radar graphic data into the radar graphic data based on the traffic jam length set by the traffic jam length setting means. The shape of the radar figure to be based is set, and the color of the radar figure is set based on the traffic density set by the traffic density setting means.

  Further, according to the traffic jam status display system of the present invention, in the traffic jam status display system described above, the radar graphic data generation means further sets the color of the radar graphic based on a direction from the current position. Features.

Further, the terminal device of the present invention is a terminal device including at least a display unit and a control unit that are communicably connected to a traffic jam status display server, and the control unit is transmitted from the traffic jam status display server. that the length of the congestion in the divided compartments separated into a plurality of predetermined range on the map, a radar graphic based on a congestion density indicating a ratio of a congestion link is a road link with the traffic congestion in the divided compartment Radar figure data receiving means for receiving data, and radar figure display means for displaying a display screen displaying the radar figure data received by the radar figure data receiving means on the display unit, To do.

  Further, the traffic jam status display server of the present invention is a traffic jam status display server having at least a control unit and a storage unit, which is communicably connected to a terminal device having at least a display unit. Map data storage means for storing map data for at least road links, and the control unit displays a map on the basis of the map data stored in the map data storage means from the current position of the user of the terminal device. A divided section setting means for setting a divided section obtained by dividing the predetermined range into a plurality of sections, a traffic jam information acquiring means for acquiring traffic jam information about the traffic jam link that is the traffic link, and the traffic jam information acquiring means. Based on the acquired traffic jam information, the traffic jam length setting means for setting the length of the traffic jam in the divided section, and the traffic jam information acquiring means Based on the traffic jam information, the traffic density setting means for setting the traffic density indicating the percentage of the traffic jam link in the divided section, the length of the traffic jam set by the traffic jam length setting means, and the traffic jam density setting means Radar graphic data generating means for generating radar graphic data based on the set traffic density, and display screen generating means for generating a display screen displaying the radar graphic data generated by the radar graphic data generating means And display control means for displaying the display screen on the display unit of the terminal device by transmitting the display screen generated by the display screen generating means to the terminal device. To do.

  The traffic condition display device according to the present invention is a traffic condition display apparatus including at least a display unit, a control unit, and a storage unit, wherein the storage unit stores map data for at least road links. And a control unit configured to divide a predetermined range on the map based on the map data stored in the map data storage unit into a plurality of divided sections from a current position of a user of the traffic congestion status display device Based on the traffic jam information acquired by the traffic jam information acquisition means, the traffic jam information acquisition means for acquiring traffic jam information about the traffic jam link that is the road link that is jammed, and the traffic jam information acquisition means, Based on the traffic jam length setting means for setting the length of the traffic jam in the divided section and the traffic jam information acquired by the traffic jam information acquisition means, the traffic in the divided section A radar figure based on the traffic density setting means for setting the traffic density indicating the link ratio, the length of the traffic set by the traffic length setting means, and the traffic density set by the traffic density setting means Radar figure data generating means for generating data, and radar figure display means for displaying on the display unit a display screen on which the radar figure data generated by the radar figure data generating means is displayed. To do.

  Further, the traffic condition display method of the present invention includes a traffic condition display server in which a traffic condition display server including at least a control unit and a storage unit, and a terminal device including at least a display unit and a control unit are communicably connected. A traffic condition display method executed in the system, wherein the storage unit of the traffic condition display server includes map data storage means for storing map data about at least a road link, and the control of the traffic condition display server Division division setting for setting a division division obtained by dividing a predetermined range on a map based on the map data stored in the map data storage means from a current position of a user of the terminal device, Step and a traffic jam link that is executed in the control unit of the traffic jam status display server and that is the road link that is jammed Based on the traffic information acquired in the traffic information acquisition step, which is executed in the traffic information acquisition step of acquiring traffic information and in the control unit of the traffic status display server, the length of traffic in the divided section Based on the traffic jam information acquired in the traffic jam information acquisition step executed in the traffic jam status display step and the traffic jam status display step, the traffic jam link in the divided section is set. A congestion density setting step for setting a congestion density indicating a ratio, a length of the congestion set in the congestion length setting step, which is executed in the control unit of the congestion status display server, and a congestion density setting step. A radar graphic data generation step for generating radar graphic data based on the traffic congestion density set by A radar graphic data transmission step for transmitting the radar graphic data generated in the radar graphic data generation step to the terminal device, and executed in the control unit of the terminal device. A radar graphic data receiving step for receiving the radar graphic data transmitted in the radar graphic data transmitting step of the traffic condition display server, and the radar graphic data receiving step executed in the control unit of the terminal device And a radar graphic display step for displaying on the display unit a display screen displaying the radar graphic data received in step (b).

The traffic situation display method of the present invention is a traffic situation display method that is executed in a terminal device that is connected to a traffic situation display server in a communicable manner and includes at least a display unit and a control unit. The traffic jam link that is transmitted from the traffic jam status display server and is divided into a predetermined range on the map and divided into a plurality of segments, and a traffic link that is a congested road link in the segment display and congestion density indicating a ratio of a radar graphic data receiving step of receiving radar graphic data based on the display screen displaying the radar graphic data received by the radar graphic data reception step on said display unit And a radar graphic display step to be performed.

  Further, the traffic condition display method of the present invention is a traffic condition display method executed in a traffic condition display server having at least a control unit and a storage unit, which is communicably connected to a terminal device having at least a display unit. And the said memory | storage part is provided with the map data storage means which memorize | stores the map data about a road link at least, The said map data storage means is performed in the said control part from the present position of the user of the said terminal device A divided section setting step for setting a divided section obtained by dividing a predetermined range on the map based on the map data stored in the map, and a traffic jam for acquiring traffic jam information about the traffic jam link that is the traffic link Based on the traffic information acquired in the information acquisition step and the traffic information acquisition step, the length of traffic in the divided section is set. Based on the traffic jam information acquired in the traffic jam length setting step, the traffic jam density setting step for setting the traffic jam density indicating the ratio of the traffic jam link in the divided section, and the traffic jam length setting. A radar figure data generation step for generating radar figure data based on the length of the congestion set in step and the congestion density set in the congestion density setting step, and the radar figure data generation step. A display screen generating step for generating a display screen displaying the radar graphic data generated in step S3, and transmitting the display screen generated in the display screen generating step to the terminal device. And a display control step for displaying the display screen on the display unit.

  Further, the traffic situation display method of the present invention is a traffic situation display method executed in a traffic situation display apparatus comprising at least a display unit, a control unit, and a storage unit, wherein the storage unit is at least for road links. Map data storage means for storing map data, which is executed in the control unit, on the map based on the map data stored in the map data storage means from the current position of the user of the traffic congestion status display device A divided section setting step for setting a divided section that divides the predetermined range into a plurality of sections, a traffic jam information acquiring step for acquiring traffic jam information about the traffic jam link that is the traffic link that is congested, and the traffic jam information acquiring step A traffic jam length setting step for setting the length of the traffic jam in the divided section based on the traffic jam information acquired by On the basis of the traffic information acquired in step 2, the traffic density setting step for setting the traffic density indicating the ratio of the traffic jam link in the divided section, and the traffic jam set in the traffic jam length setting step The radar figure data generation step for generating radar figure data based on the length and the congestion density set in the congestion density setting step, and the radar figure data generated in the radar figure data generation step A radar graphic display step for displaying the displayed display screen on the display unit.

  According to the present invention, in the traffic condition display server, a divided section obtained by dividing a predetermined range on the map based on the map data into a plurality of sections is set from the current position of the user of the terminal device. Get traffic information about a certain traffic jam link, set the length of traffic jam in the subdivision based on the acquired traffic jam information, and determine the percentage of traffic jam links in the subdivision based on the acquired traffic jam information Set the congestion density to be displayed, generate radar graphic data based on the set traffic jam length and the set traffic congestion density, send the radar graphic data to the terminal device, and display the traffic congestion status on the terminal device The radar graphic data transmitted from the server can be received, and a display screen displaying the radar graphic data can be displayed on the display unit. As a result, the present invention makes it possible to grasp at a glance the length of the traffic jam and the degree of congestion of the traffic jam, and it is possible to grasp in which direction the traveling direction of the host vehicle can be changed to get on an empty road. The effect that it becomes easy to do.

  Further, according to the present invention, the divided section can be a section obtained by dividing a predetermined range into a strip shape parallel to a predetermined direction from the current position or a fan shape centered on the current position. As a result, the present invention has an effect that the divided section can be selected depending on the difference in the area where the user wants to grasp the traffic jam, such as the area ahead of the own vehicle in which the terminal device is mounted and the surrounding area of the own vehicle. Play.

  Further, according to the present invention, the length of the traffic jam link in the divided section or the longest length of the connected traffic jam links can be set as the traffic jam length. Thereby, this invention has an effect of making it easy for a user to grasp the traffic jam extended continuously long in each division | segmentation division.

  Further, according to the present invention, the total length of the traffic jam links in the divided sections can be set as the traffic jam length. Thereby, this invention has an effect of making it easy for a user to grasp | ascertain the area | region where many roads which are congested exist in each division | segmentation division.

  Further, according to the present invention, the total length of the traffic jam links in the same direction as the predetermined direction from the current position in the divided section can be set as the traffic jam length. Thereby, this invention produces an effect of making it easy for a user to grasp | ascertain easiness of the own vehicle to advance to predetermined directions, such as a advancing direction, in each division | segmentation division.

  Further, according to the present invention, the shape of the radar figure based on the radar figure data can be set based on the set traffic jam length, and the color of the radar figure can be set based on the set traffic density. As a result, the present invention has an effect of making it easy for the user to grasp the situation of the surrounding traffic jam by the difference in shape such as the height of the figure and the color such as shading or hue.

  Further, according to the present invention, the color of the radar figure can be set based on the direction from the current position. As a result, the present invention has an effect that it is possible to grasp not only the situation of the traffic jam but also which direction the vehicle is traveling in a glance at a glance when the host vehicle travels while avoiding the traffic jam. Play.

  In the above description, the traffic situation display system of the present invention has been described as an example. However, the terminal apparatus, the traffic situation display server, the traffic situation display apparatus, and the traffic situation display method have similar effects.

FIG. 1 is a block diagram illustrating an example of a configuration of a traffic jam status display system according to the first embodiment. FIG. 2 is a flowchart illustrating an example of processing of the traffic jam status display system according to the first embodiment. FIG. 3 is a diagram illustrating an example of a correspondence relationship between traffic jam information and radar graphics in the present embodiment. FIG. 4 is a diagram illustrating an example of a display screen in the present embodiment. FIG. 5 is a diagram illustrating an example of a display screen in the present embodiment. FIG. 6 is a block diagram illustrating an example of a configuration of a traffic jam status display server according to the second embodiment. FIG. 7 is a flowchart illustrating an example of processing of the traffic jam status display server in the second embodiment. FIG. 8 is a block diagram illustrating an example of a configuration of a traffic congestion status display device according to the third embodiment. FIG. 9 is a flowchart illustrating an example of processing of the traffic jam status display device according to the third embodiment.

  Hereinafter, embodiments of a traffic jam status display system, a terminal device, a traffic jam status display server, a traffic jam status display device, a traffic jam status display method, and a program according to the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

  Hereinafter, with regard to the configuration and processing of the present invention, the first embodiment (congestion status display system), the second embodiment (congestion status display server (server-driven type)), and the third embodiment (congestion status display device ( This will be described in detail in the order of stand-alone type)).

[First Embodiment]
First, a first embodiment (congestion status display system) of the present invention will be described below with reference to FIGS.

[Construction of traffic condition display system]
First, an example of the configuration of the traffic jam status display system in the first embodiment will be described below with reference to FIG. Here, FIG. 1 is a block diagram showing an example of the configuration of the traffic jam status display system in the first embodiment, and conceptually shows only the portion related to the present invention in the configuration.

  As shown in FIG. 1, the traffic jam status display system according to the first exemplary embodiment of the present invention schematically includes a traffic jam status display server 200 including at least a control unit 202 and a storage unit 206, an information acquisition unit 110, and a position. The terminal device 100 including at least the acquisition unit 112, the display unit 114, and the control unit 102 and the external system 600 are connected to be communicable. As an example, the communication includes remote communication such as wired / wireless communication via the network 300. Each part of the traffic condition display system is communicably connected via an arbitrary communication path.

[Configuration of traffic status display server 200]
Here, in FIG. 1, the traffic congestion status display server 200 divides a predetermined section on the map based on the map data stored in the storage unit 206 into a plurality of divided sections from the current position of the user of the terminal device 100. Set, acquire traffic information about the traffic link that is a traffic link that is congested from the external system 600, set the length of the traffic in the division based on the acquired traffic information, and acquire the traffic information Based on, set the traffic density that indicates the percentage of traffic links in the division, and generate radar graphic data based on the configured traffic length and the configured traffic density. It has a function of transmitting data to the terminal device 100. The traffic status display server 200 is connected to the terminal device 100 and the external system 600 through the network 300 via the communication control interface unit 204 so as to be communicable with each other, and includes a control unit 202 and a storage unit 206. Composed. The control unit 202 is a control unit that performs various processes, and performs radar graphic data generation and the like. The communication control interface unit 204 is an interface connected to a communication device (not shown) such as an antenna or a router connected to a communication line or a telephone line, and communicates between the traffic condition display server 200 and the network 300. It has a function to perform control. That is, the communication control interface unit 204 has a function of communicating data with the terminal device 100, the external system 600, and the like via a communication line. The storage unit 206 is a storage unit such as a fixed disk device, and stores various databases and tables (such as the map database 206a).

  Among these components of the storage unit 206, the map database 206a is a map data storage unit that stores at least map data regarding road links. Here, the map data stored in the map database 206a is mainly used in the present invention, for example, outdoor maps such as national and local road maps used in GPS etc., including road link data as basic road data. It is data. Further, the map database 206a may further store indoor map data such as a floor guide map related to a building having height information (for example, a multilevel parking lot). These outdoor map data and indoor map data are stored in advance in the map database 206a, and the control unit 202 of the traffic congestion status display server 200 periodically downloads the latest data via the network 300 and stores it in the map database 206a. The stored outdoor map data and indoor map data may be updated. Here, the road link data includes link number (start / end node number), road type, route number, link length, attributes (bridge, elevated, tunnel, etc.), position coordinates (latitude, longitude, etc.), number of lanes, width, etc. It may be data including

  The control unit 202 has an internal memory for storing a control program such as an OS (Operating System), a program that defines various processing procedures, and necessary data. And the control part 202 performs the information processing for performing various processes with these programs. The control unit 202 is functionally conceptually configured to include a current position information receiving unit 202a, a divided section setting unit 202b, a traffic jam information obtaining unit 202c, a traffic jam length setting unit 202d, a traffic jam density setting unit 202e, a radar figure data generating unit 202f, and A radar graphic data transmission unit 202g is provided.

  Among these, the current position information receiving unit 202a is current position information receiving means for receiving the current position information of the user of the terminal device 100 transmitted from the terminal device 100.

  Further, the divided section setting unit 202b sets a divided section setting for dividing a predetermined range on the map based on the map data stored in the map database 206a into a plurality of divided sections from the current position of the user of the terminal device 100. Means. Here, the predetermined range may be a rectangular region including a predetermined distance ahead of the terminal device 100 in the traveling direction, or a circular region having a predetermined distance centered on the terminal device 100 as a radius. Also good. Further, the divided section may be a section obtained by dividing a predetermined range into a strip shape parallel to a predetermined direction from the current position of the user of the terminal device 100 or a fan shape centered on the current position. .

  The traffic jam information acquisition unit 202c is a traffic jam information acquisition unit that acquires traffic jam information about a traffic jam link, which is a road link that is jammed. Here, the traffic jam information acquisition unit 202c may receive the traffic jam information about the traffic jam link from the external system 600 or the terminal device 100 via the network 300. The external system 600 may be a traffic information communication system that provides road traffic information such as VICS (Vehicle Information and Communication System), ATIS (Advanced Traffic Information Service), and Japan Road Traffic Information Center (JARTIC).

  The traffic jam length setting unit 202d is a traffic jam length setting unit that sets the length of the traffic jam in the divided section based on the traffic jam information acquired by the traffic jam information acquisition unit 202c. Here, the traffic jam length setting unit 202d may set the length of the traffic jam link in the divided section or the longest length of the linked traffic jam links as the traffic jam length. Further, the traffic jam length setting unit 202d may set the total length of the traffic jam links in the divided sections as the traffic jam length. Further, the traffic jam length setting unit 202d sets the total traffic jam length in the same direction as the predetermined direction from the current position of the user of the terminal device 100 in the divided section as the traffic jam length. Also good.

  Further, the traffic density setting unit 202e is a traffic density setting unit that sets a traffic density indicating a traffic link ratio in the divided section based on the traffic information acquired by the traffic information acquisition unit 202c. Here, the traffic congestion density is a value obtained by dividing the number of traffic congestion links by the number of traffic congestion information distribution links that are road links in the divided sections where the external system 600 can detect and distribute the traffic congestion information (that is, “Congestion density” = “Congestion link” / “Congestion information distribution link”).

  The radar graphic data generation unit 202f generates radar graphic data based on the length of the traffic jam set by the traffic jam length setting unit 202d and the traffic jam density set by the traffic jam density setting unit 202e. Means. Here, the radar graphic data generation unit 202f sets the shape of the radar graphic based on the radar graphic data based on the length of the traffic jam set by the traffic jam length setting unit 202d, and the traffic jam set by the traffic jam density setting unit 202e. The color of the radar figure may be set based on the density. The radar graphic data generation unit 202f may further set the color of the radar graphic based on the direction from the current position.

  The radar graphic data transmission unit 202g is radar graphic data transmission means for transmitting the radar graphic data generated by the radar graphic data generation unit 202f to the terminal device 100. Here, the radar graphic data transmission unit 202g may transmit map data including a predetermined range stored in the map database 206a to the terminal device 100.

[Configuration of Terminal Device 100]
In FIG. 1, the terminal device 100 has a function of receiving the radar graphic data transmitted from the traffic jam condition display server 200 and causing the display unit 114 to display a display screen displaying the received radar graphic data. The terminal device 100 is, for example, an information processing device such as a desktop or notebook personal computer that is generally commercially available, or a mobile terminal device such as a mobile phone, PHS, or PDA. In the present embodiment, the terminal device 100 is mainly an in-vehicle information processing terminal that performs car navigation, for example. In addition, the terminal device 100 includes an information acquisition unit 110 including a beacon unit and the like so that road traffic information including traffic jam information can be received. Further, the terminal device 100 may include a position acquisition unit 112 having a GPS function, an IMES function, or the like so that current position information can be acquired in real time. Further, the terminal device 100 includes a display unit 114 (for example, a display or a monitor composed of a liquid crystal, an organic EL, or the like) that displays a display screen that displays the radar graphic data received from the traffic condition display server 200. Yes. The input / output control interface unit 108 controls the information acquisition unit 110, the position acquisition unit 112, the display unit 114, and the like.

  Here, the information acquisition unit 110 may be an information acquisition unit that receives road traffic information including traffic jam information transmitted from the external system 600. Here, the external system 600 includes a radio wave beacon (ultrasonic vehicle detector) that emits radio waves such as quasi-microwaves installed on the road, an optical beacon (optical vehicle detector) that emits infrared rays, and the like. A system such as VICS provided with The information acquisition unit 110 may be a beacon unit that receives radio waves from radio beacons, infrared rays from optical beacons, broadcast waves in which road traffic information is superimposed on FM broadcasts, broadcast waves of data broadcasts, and the like. .

  In addition, the position acquisition unit 112, for example, based on orientation information such as a traveling direction of the terminal device 100 detected by the orientation sensor, distance information detected by the distance sensor, and map data, based on the map data. You may acquire the positional information which shows a present position. Here, a geomagnetic sensor that detects the absolute traveling direction of the terminal device 100 and an optical gyro that detects the relative traveling direction of the terminal device 100 may be used as the direction sensor. In addition, the direction sensor may be an electronic compass that can acquire information on the direction and inclination by combining a geomagnetic sensor and an acceleration sensor. Further, when the terminal device 100 is an in-vehicle information processing terminal, the distance sensor may generate a pulse signal in proportion to the number of rotations of the axle and detect a movement distance in proportion to the number of pulse signals. Further, when the terminal device 100 is an in-vehicle information processing terminal, the position acquisition unit 112 may acquire position information indicating the own vehicle position from inter-vehicle communication of a communication device mounted on each vehicle.

  Further, the position acquisition unit 112 may be, for example, a position acquisition unit that receives a position information signal transmitted from a position transmission device. Here, the position transmitting device may be a GPS device that transmits a position information signal (GPS signal), and IMES (positioning indoors using a position information signal having characteristics similar to those of the GPS signal). It may be an IMES device that realizes (Indoor Message System) technology. The IMES technology is a system developed from the framework of the quasi-zenith satellite, which is a positioning satellite system. The position transmitter may be a GPS repeater that transmits a GPS signal received outdoors indoors. In addition, the position transmission device may be a small transmission device that is arbitrarily installed on each floor of a building (for example, a multilevel parking lot) or an underground structure (for example, a tunnel, an underground parking lot, etc.). . In addition, self-position information (position ID etc.) according to an installation place is allocated to this small transmitter. When the terminal device 100 enters the communicable range, the terminal device 100 receives the self-position information transmitted from the small transmitter as a position information signal. The communication method at this time may be, for example, various short-range wireless methods such as an RFID (Radio Frequency Identification) tag system and Bluetooth (registered trademark), an infrared communication method, and the like. Further, the position transmission device may be a wireless LAN access point. In the present embodiment, the control unit 102 may calculate position information including latitude, longitude, and height information from the position information signal acquired by the position acquisition unit 112. Further, the position acquisition unit 112 may acquire access point identification information by receiving a wireless LAN signal or the like. In the present embodiment, the control unit 102 may acquire the position information by specifying the position of the access point from the identification information unique to the access point acquired by the position acquisition unit 112.

  The communication control interface unit 104 is an interface connected to a communication device (not shown) such as an antenna or a router connected to a communication line, a telephone line, etc., and communicates between the terminal device 100 and the network 300. It has a function to perform control. That is, the communication control interface unit 104 has a function of communicating data with the traffic condition display server 200 or the like via a communication line. The network 300 has a function of mutually connecting the terminal device 100 and an external device such as the traffic condition display server 200, and includes, for example, the Internet, a telephone line network (a mobile terminal line network, and a general telephone line network). ), Intranet, power line communication (PLC), or the like.

  The control unit 102 includes an internal memory for storing a control program such as an OS, a program defining various processing procedures, and necessary data. And the control part 102 performs the information processing for performing various processes by these programs. The control unit 102 is functionally conceptually configured to include a current position information acquisition unit 102a, a current position information transmission unit 102b, a traffic jam information transmission unit 102c, a radar graphic data reception unit 102d, and a radar graphic display unit 102e. .

  Among these, the current position information acquisition unit 102a is current position information acquisition means for acquiring the current position information of the user of the terminal device 100. Here, the current position information acquisition unit 102a may acquire the current position information of the user of the terminal device 100 every predetermined period (for example, every second). In addition, the current position information acquisition unit 102a may be the position information calculated from the position information signal received from the position transmission device by the position acquisition unit 112 and / or the terminal device 100 detected by the direction sensor of the position acquisition unit 112. The current position information of the user of the terminal device 100 including the direction information such as the traveling direction may be acquired. Further, the current position information acquisition unit 102a may acquire the position coordinates and the like about the current position input by the user via the input unit (not shown) as the current position information of the user of the terminal device 100. . Here, the current position input by the user via the input unit (not shown) may be a position where the user actually exists, and a virtual current position arbitrarily selected by the user ( As an example, it may be an arbitrary station such as a station or an airport in Osaka selected by a user in Tokyo. Specifically, the current position information acquisition unit 102a is designated on a display screen that displays map data displayed on the display unit 114 to the user via an input unit (not shown) (for example, a touch panel display). The coordinate and / or direction information that has been designated by the unit 114 may be acquired as the current position information of the user of the terminal device 100. In addition, the current position information acquisition unit 102a may acquire the position information of the vehicle as the current position information of the user of the terminal device 100.

  The current position information transmission unit 102 b is a current position information transmission unit that transmits the current position information of the terminal device 100 acquired by the current position information acquisition unit 102 a to the traffic jam status display server 200.

  The traffic jam information transmitting unit 102 c is a traffic jam information transmitting unit that transmits the traffic jam information received from the external system 600 by the information acquisition unit 110 to the traffic jam status display server 200. Here, the traffic jam information transmitting unit 102 c may receive the traffic jam information transmitted via the network 300 and transmit it to the traffic jam status display server 200.

  The radar graphic data receiving unit 102d is radar graphic data receiving means for receiving the radar graphic data transmitted by the radar graphic data transmitting unit 202g of the traffic jam condition display server 200. Here, the radar graphic data receiving unit 102d may receive map data including a predetermined range transmitted by the radar graphic data transmitting unit 202g of the traffic jam status display server 200.

  The radar graphic display unit 102e is a radar graphic display means for displaying on the display unit 114 a display screen displaying the radar graphic data received by the radar graphic data receiving unit 102d. Here, the radar graphic display unit 102e displays the radar graphic data received by the radar graphic data receiving unit 102d superimposed on the map data including the predetermined range received by the radar graphic data receiving unit 102d. A screen may be displayed on the display unit 114. Further, the radar graphic display unit 102e displays the current position information of the user of the terminal device 100 acquired by the current position information acquisition unit 102a on the map data including the predetermined range received by the radar graphic data receiving unit 102d. Based on the current position display data, the display unit 114 may display a display screen on which the radar graphic data received by the radar graphic data receiving unit 102d is displayed.

  Above, description of an example of a structure of the traffic condition display system in 1st Embodiment is finished.

[Treatment of traffic condition display system]
Next, an example of the processing of the traffic congestion status display system according to the first embodiment configured as described above will be described in detail with reference to FIGS. Here, FIG. 2 is a flowchart showing an example of processing of the traffic jam situation display system in the first embodiment.

  As shown in FIG. 2, first, the current position information acquisition unit 102a of the terminal device 100 acquires the current position information of the user of the terminal device 100 (step SA-1).

  Then, the current location information transmission unit 102b of the terminal device 100 transmits the current location information of the user of the terminal device 100 acquired by the current location information acquisition unit 102a to the traffic jam status display server 200 (step SA-2). ).

  Then, the current position information receiving unit 202a of the traffic jam status display server 200 receives the current position information of the user of the terminal device 100 from the current position information transmitting unit 102b of the terminal device 100 (step SA-3).

  Then, the divided section setting unit 202b of the traffic jam status display server 200 calculates the map data stored in the map database 206a from the current position of the user of the terminal device 100 based on the current position information received by the current position information receiving unit 202a. A divided section obtained by dividing a predetermined range on the map based on the above into a plurality is set (step SA-4). Here, the predetermined range may be a rectangular area including a predetermined distance ahead in the traveling direction of the user of the terminal device 100 based on the current position information received by the current position information receiving unit 202a. It may be a circular region having a predetermined distance from 100 as a radius. In addition, the divided section defines a predetermined range from a current position of the user of the terminal device 100 based on the current position information received by the current position information receiving unit 202a (for example, progress of the user of the terminal device 100). The section may be divided into a strip shape parallel to the direction or the like, or a fan shape centered on the current position.

  Here, with reference to FIG. 3, an example of the division | segmentation division in this embodiment is demonstrated. FIG. 3 is a diagram illustrating an example of a correspondence relationship between traffic jam information and radar graphics in the present embodiment. Note that the example shown in FIG. 3 is not limited to the present embodiment, and can be similarly applied to other embodiments such as FIGS. 6 and 8.

  As shown in FIG. 3A, as an example, the divided section is a rectangular area including a predetermined distance ahead of the user of the terminal device 100 in the direction of travel, and is parallel to the direction of travel of the user of the terminal device 100. This is a region divided into strips (that is, a region sandwiched between dotted lines). Here, in FIG. 3A, a traffic jam portion on the road is represented by a solid display.

  Returning to FIG. 2 again, the traffic jam information acquisition unit 202c of the traffic jam status display server 200 receives the traffic jam information on the traffic jam link, which is a traffic jam link, from the external system 600 via the network 300 such as the Internet ( Step SA-5). Further, the traffic information acquisition unit 202c of the traffic status display server 200 receives the traffic information received from the external system 600 by the information acquisition unit 110 of the terminal device 100 by the traffic information transmission unit 102c of the terminal device 100 (step S100). SA-6), the traffic jam information may be received. Here, as an example, the traffic information transmitted by the traffic information transmission unit 102c of the terminal device 100 is installed in the external system 600 (for example, on a road) in the information acquisition unit 110 of the terminal device 100 mounted on the host vehicle. Traffic congestion information included in road traffic information received from radio beacons, optical beacons, etc.). Further, the traffic jam information transmitted by the traffic jam information transmitting unit 102c of the terminal device 100 may be traffic jam information received via the network 300 as an example, and traffic jam information received via a wireless LAN access point or the like. It may be.

  Then, the traffic jam length setting unit 202d of the traffic jam status display server 200 sets the length of the traffic jam in the divided section based on the traffic jam information acquired by the traffic jam information acquisition unit 202c (step SA-7). Here, the traffic jam length setting unit 202d may set the length of the traffic jam link in the divided section or the longest length of the linked traffic jam links as the traffic jam length. Further, the traffic jam length setting unit 202d may set the total length of the traffic jam links in the divided sections as the traffic jam length. Further, the traffic jam length setting unit 202d determines the length of the traffic jam link in the same direction as a predetermined direction (for example, the traveling direction of the user of the terminal device 100) from the current position of the user of the terminal device 100 in the divided section. May be set as the length of the traffic jam.

  Then, the traffic density setting unit 202e of the traffic status display server 200 uses the external system 600 to obtain the traffic density indicating the traffic link ratio in the divided section based on the traffic information acquired by the traffic information acquisition unit 202c. The number of congestion information distribution links, which are road links in the divided sections that can detect and distribute, and the number of congestion links divided by the number of congestion links (that is, “congestion density” = “congestion link” / “congestion information”) Distribution link ") (step SA-8).

  Then, the radar graphic data generation unit 202f of the traffic congestion status display server 200 determines the shape of the radar graphic based on the radar graphic data (for example, the height of the radar graphic) based on the length of the traffic jam set by the traffic jam length setting unit 202d. Is set, and based on the traffic density set by the traffic density setting unit 202e, the color of the radar graphic (for example, dark color when the traffic density is high and light color when the traffic density is low) is set to generate radar graphic data. (Step SA-9). Here, the radar graphic data generation unit 202f is further based on the direction from the current position of the user of the terminal device 100 based on the current position information received by the current position information receiving unit 202a (for example, east, west, north, and south). The color of the radar figure (for example, east: red, west: blue, south: yellow, north: black, etc.) may be set.

  Here, with reference to FIG. 3 again, an example of a radar figure in the present embodiment will be described. As shown in FIG. 3B, the radar figure is the same as the predetermined direction from the current position of the user of the terminal device 100 in the divided section based on the traffic jam information for each divided section shown in FIG. The length of the traffic jam that is the sum of the lengths of the traffic jam links in the direction (that is, the vertical direction in FIG. 3A) is expressed as the height of the figure, and the color is dark when the traffic density in the divided section is high It expresses as Here, the radar figure is represented as a figure in which a representative point is placed at the center of each divided section and the representative points are connected to each other.

  Returning to FIG. 2 again, the radar graphic data transmission unit 202g of the traffic jam status display server 200 transmits the radar graphic data generated by the radar graphic data generation unit 202f to the terminal device 100 (step SA-10). Here, the radar graphic data transmission unit 202g may transmit map data including a predetermined range stored in the map database 206a to the terminal device 100.

  Then, the radar graphic data receiving unit 102d of the terminal device 100 receives the radar graphic data transmitted by the radar graphic data transmitting unit 202g of the traffic jam status display server 200 (step SA-11). Here, the radar graphic data receiving unit 102d may receive the map data including the predetermined range when the map data including the predetermined range is transmitted by the radar graphic data transmitting unit 202g of the traffic jam condition display server 200. .

  Then, the radar graphic display unit 102e of the terminal device 100 causes the display unit 114 to display a display screen displaying the radar graphic data received by the radar graphic data receiving unit 102d (step SA-12). Here, when the radar graphic data receiving unit 102d receives the map data including the predetermined range, the radar graphic display unit 102e displays the radar data on the map data including the predetermined range received by the radar graphic data receiving unit 102d. A display screen on which the radar graphic data received by the graphic data receiving unit 102d is superimposed may be displayed on the display unit 114. When the radar graphic data receiving unit 102d receives map data including a predetermined range, the radar graphic display unit 102e displays the current position on the map data including the predetermined range received by the radar graphic data receiving unit 102d. Current position display data (for example, a vehicle mark) based on the current position information of the user of the terminal device 100 acquired by the information acquisition unit 102a is superimposed and displayed, and received by the radar graphic data reception unit 102d in the vicinity thereof. A display screen on which the displayed radar graphic data is displayed may be displayed on the display unit 114 (for example, displayed near the map periphery).

  Here, an example of the display screen in the present embodiment will be described with reference to FIGS. 4 and 5. FIG. 4 is a diagram illustrating an example of a display screen in the present embodiment. FIG. 5 is a diagram illustrating an example of a display screen in the present embodiment. Note that the examples shown in FIGS. 4 and 5 are not limited to the present embodiment, and can be similarly applied to other embodiments such as FIGS. 6 and 8.

  On the display screen shown in FIG. 4, the vehicle mark based on the current position information of the terminal device 100 is displayed on the map data of the bird's eye view including the predetermined range from the current position of the terminal device 100 mounted on the host vehicle. Radar graphic data is superimposed and displayed on the sky in the bird's eye view.

  5 is displayed on the map data of a two-dimensional map including a predetermined range from the current position of the terminal device 100 mounted on the host vehicle, based on the current position information of the terminal device 100. A mark is displayed, and radar figure data is displayed as a part of the vehicle mark around the mark.

  Above, description of an example of the process of the traffic congestion condition display system in 1st Embodiment is finished.

[Second Embodiment]
Next, a second embodiment of the present invention (congestion status display server 200 (server-driven type)) will be described below with reference to FIGS. Here, FIG. 6 is a block diagram showing an example of the configuration of the traffic jam status display server 200 in the second embodiment, and conceptually shows only the portion related to the present invention in the configuration. FIG. 7 is a flowchart illustrating an example of processing of the traffic jam status display server 200 according to the second embodiment.

  In the second embodiment, data to be displayed on the display unit 114 of the terminal device 100 is generated by the traffic congestion status display server 200, and these data are transmitted to the terminal device 100. The display unit 114 is functioning. As described above, the second embodiment is different from the other embodiments in that the traffic situation display server 200 performs server-led processing.

[Configuration of traffic status display server 200 (server-driven type)]
First, an example of the configuration of the traffic jam status display server 200 (server-driven type) in the second embodiment will be described below with reference to FIG.

  As illustrated in FIG. 6, the traffic jam status display server 200 according to the second exemplary embodiment of the present invention communicates with a terminal device 100 including at least an information acquisition unit 110, a position acquisition unit 112, a display unit 114, and a control unit 102. It is configured to include at least a control unit 202 and a storage unit 206 that are connected to each other. As an example, the communication includes remote communication such as wired / wireless communication via the network 300. The traffic condition display server 200 and each part of the terminal device 100 are communicably connected via an arbitrary communication path.

  In FIG. 6, the traffic jam status display server 200 sets a divided section in which a predetermined range on the map based on the map data stored in the storage unit 206 is divided into a plurality of sections from the current position of the user of the terminal device 100. Congestion information about the traffic link that is a congested road link is acquired, the length of the traffic jam in the division is set based on the acquired traffic jam information, and the traffic in the division is calculated based on the acquired traffic jam information. Set a traffic density that indicates the percentage of traffic links, generate radar graphic data based on the configured traffic length and the configured traffic density, and generate a display screen that displays the generated radar graphic data Then, by transmitting the generated display screen to the terminal device 100, the display unit 114 of the terminal device 100 has a function of displaying the display screen.

  The functions of the communication control interface unit 204 and the storage unit 206 (such as the map database 206a) in the traffic jam status display server 200, and the functions of the information acquisition unit 110, the position acquisition unit 112, and the display unit 114 in the terminal device 100 are as follows. Since it is the same as that of the first embodiment, the description is omitted.

  In FIG. 6, the control unit 202 has an internal memory for storing a control program such as an OS, a program defining various processing procedures, and necessary data. And the control part 202 performs the information processing for performing various processes with these programs. The control unit 202 is functionally conceptually configured to include a current position information receiving unit 202a, a divided section setting unit 202b, a traffic jam information obtaining unit 202c, a traffic jam length setting unit 202d, a traffic jam density setting unit 202e, a radar graphic data generating unit 202f, and a display screen. A generation unit 202h and a display control unit 202i are provided. The functions of the current position information receiving unit 202a, the divided section setting unit 202b, the traffic jam information acquisition unit 202c, the traffic jam length setting unit 202d, the traffic jam density setting unit 202e, and the radar graphic data generation unit 202f are the same as those in the first embodiment. Since it is the same as that of FIG.

  Among these, the display screen generation unit 202h is a display screen generation unit that generates a display screen displaying the radar graphic data generated by the radar graphic data generation unit 202f.

  The display control unit 202i is a display control unit that causes the display unit 114 of the terminal device 100 to display the display screen by transmitting the display screen generated by the display screen generation unit 202h to the terminal device 100.

  Above, description of an example of a structure of the traffic condition display server 200 in 2nd Embodiment is finished.

[Processing of traffic congestion status display server 200 (server-driven type)]
Next, an example of the processing of the traffic jam status display server 200 in the second embodiment configured as described above will be described in detail below with reference to FIG.

  As illustrated in FIG. 7, first, the control unit 102 of the terminal device 100 transmits the current position information of the user of the terminal device 100 to the traffic jam status display server 200 (step SB-1).

  Then, the current position information receiving unit 202a of the traffic jam status display server 200 receives the current position information of the user of the terminal device 100 (step SB-2).

  Then, the divided section setting unit 202b of the traffic jam status display server 200 calculates the map data stored in the map database 206a from the current position of the user of the terminal device 100 based on the current position information received by the current position information receiving unit 202a. A divided section is set by dividing a predetermined range on the map based on (step SB-3).

  Then, the traffic jam information acquisition unit 202c of the traffic jam status display server 200 receives the traffic jam information about the traffic jam link, which is a traffic jam link, from the external system 600 via the network 300 such as the Internet (step SB-4). ). Further, the traffic information acquisition unit 202c of the traffic status display server 200 receives the traffic information received from the external system 600 by the information acquisition unit 110 of the terminal device 100 by the control unit 102 of the terminal device 100 (step SB- 5) The traffic jam information may be received.

  Then, the traffic jam length setting unit 202d of the traffic jam status display server 200 sets the length of the traffic jam in the divided section based on the traffic jam information acquired by the traffic jam information acquisition unit 202c (step SB-6). Here, the traffic jam length setting unit 202d of the traffic jam status display server 200 sets the length of the traffic jam link in the divided section or the longest length of the linked traffic jam links as the traffic jam length. Also good. Further, the traffic jam length setting unit 202d of the traffic jam status display server 200 may set the total length of the traffic jam links in the divided sections as the traffic jam length. The traffic jam length setting unit 202d of the traffic jam status display server 200 is the same as a predetermined direction from the current position of the user of the terminal device 100 in the divided section (for example, the traveling direction of the user of the terminal device 100, etc.). The total length of the traffic jam links in the direction may be set as the traffic jam length.

  Then, the traffic density setting unit 202e of the traffic status display server 200 uses the external system 600 to obtain the traffic density indicating the traffic link ratio in the divided section based on the traffic information acquired by the traffic information acquisition unit 202c. The number of congestion information distribution links, which are road links in the divided sections that can detect and distribute, and the number of congestion links divided by the number of congestion links (that is, “congestion density” = “congestion link” / “congestion information”) Distribution link ") (step SB-7).

  Then, the radar graphic data generation unit 202f of the traffic congestion status display server 200 determines the shape of the radar graphic based on the radar graphic data (for example, the height of the radar graphic) based on the length of the traffic jam set by the traffic jam length setting unit 202d. Is set, and based on the traffic density set by the traffic density setting unit 202e, the color of the radar graphic (for example, dark color when the traffic density is high and light color when the traffic density is low) is set to generate radar graphic data. (Step SB-8). Here, the radar graphic data generation unit 202f of the traffic jam status display server 200 further performs radar based on the direction from the current position of the user of the terminal device 100 based on the current position information received by the current position information receiving unit 202a. The color of the figure may be set.

  Then, the display screen generation unit 202h of the traffic jam status display server 200 generates a display screen on which the radar graphic data generated by the radar graphic data generation unit 202f is displayed (step SB-9).

  And the display control part 202i of the traffic condition display server 200 displays the said display screen on the display part 114 of the said terminal device 100 by transmitting the display screen produced | generated by the display screen production | generation part 202h to the terminal device 100. FIG. (Step SB-10).

  Above, description of an example of the process of the traffic condition display server 200 in 2nd Embodiment is finished.

[Third Embodiment]
Next, a third embodiment of the present invention (congestion status display device 400 (stand-alone type)) will be described below with reference to FIGS. Here, FIG. 8 is a block diagram showing an example of the configuration of the traffic congestion status display device 400 according to the third embodiment, and conceptually shows only the portion related to the present invention in the configuration. FIG. 9 is a flowchart illustrating an example of processing of the traffic congestion status display device 400 according to the third embodiment.

  In the third embodiment, all functions are integrated into the traffic congestion status display device 400, and the map data is converted from the current location of the user of the traffic congestion status display device 400 without being connected to the traffic congestion status display server 200. Set up a divided section that divides a predetermined range on the map based on it, obtain traffic information about the traffic link that is a congested road link, and based on the acquired traffic information, Set the length, and based on the acquired traffic information, set the traffic density that indicates the percentage of traffic links in the subdivision, and the radar figure based on the configured traffic length and the configured traffic density Data is generated, and a display screen displaying the generated radar graphic data is displayed on the display unit. As described above, the third embodiment is different from the other embodiments in that the congestion state display device 400 is configured as a stand-alone type and performs processing alone. In the present embodiment, the congestion status display device 400 is mainly an in-vehicle information processing terminal that performs car navigation, for example.

[Configuration of traffic condition display device 400 (stand-alone type)]
First, an example of the configuration of the traffic congestion status display device 400 (stand-alone type) in the third embodiment will be described below with reference to FIG.

  As shown in FIG. 8, the traffic congestion status display device 400 according to the third embodiment of the present invention includes at least an information acquisition unit 410, a position acquisition unit 412, a display unit 414, a control unit 402, and a storage unit 406. Is done. Each unit of the traffic condition display device 400 is connected to be communicable via an arbitrary communication path.

  In FIG. 8, the functions of the communication control interface unit 404, the input / output control interface unit 408, the information acquisition unit 410, the position acquisition unit 412, and the display unit 414 are the same as those in the first embodiment, and thus description thereof is omitted. To do. In addition, each function (such as the map database 406a) of the storage unit 406 is the same as that of the first embodiment, except that the function is the same as that of the first embodiment except that it is provided in the traffic jam status display device 400 instead of the traffic jam status display server 200. Description is omitted.

  As for each part of the control unit 402 (current position information acquisition unit 402a to radar graphic display unit 402g, etc.), the traffic congestion status display device 400 of the present embodiment is a stand-alone type, and the control unit 402 includes each transmission unit. Each function is basically the same as that of the first embodiment except for the point.

  In FIG. 8, the control unit 402 has an internal memory for storing a control program such as an OS, a program that defines various processing procedures, and required data. And the control part 402 performs the information processing for performing various processes with these programs. The control unit 402 is functionally conceptually configured as a current position information acquisition unit 402a, a divided section setting unit 402b, a traffic jam information acquisition unit 402c, a traffic jam length setting unit 402d, a traffic jam density setting unit 402e, a radar graphic data generation unit 402f, and A radar figure display unit 402g is provided.

  Among these, the current position information acquisition unit 402 a is a current position information acquisition unit that acquires the current position information of the user of the traffic jam status display device 400. Here, the current position information acquisition unit 402a may acquire the current position information of the user of the traffic jam status display device 400 at every predetermined period (for example, every second). In addition, the current position information acquisition unit 402a is configured to display the position information calculated from the position information signal received from the position transmission device by the position acquisition unit 412 and / or the congestion status display device detected by the direction sensor of the position acquisition unit 412. The current position information of the user of the traffic congestion status display device 400 including direction information such as the traveling direction of 400 may be acquired. Also, the current position information acquisition unit 402a acquires the position coordinates and the like of the current position input by the user via the input unit (not shown) as the current position information of the user of the traffic jam status display device 400. Also good. Here, the current position input by the user via the input unit (not shown) may be a position where the user actually exists, and a virtual current position arbitrarily selected by the user ( As an example, it may be an arbitrary station such as an Osaka station or airport selected by a user in Tokyo. Specifically, the current position information acquisition unit 402a is designated on a display screen that displays map data displayed on the display unit 414 to the user via an input unit (not shown) (for example, a touch panel display). Coordinates and / or direction information may be acquired as the current position information of the user of the traffic congestion status display device 400. Further, the current position information acquisition unit 402a may acquire the position information of the vehicle as the current position information of the user of the traffic jam status display device 400.

  Further, the divided section setting unit 402b sets a divided section by dividing a predetermined range on the map based on the map data stored in the map database 406a from the current position of the user of the traffic congestion status display device 400 into a plurality of sections. It is a section setting means.

  The traffic jam information acquisition unit 402c is a traffic jam information acquisition unit that acquires traffic jam information about a traffic jam link, which is a road link that is jammed. Here, the traffic jam information acquisition unit 402c may receive the traffic jam information about the traffic jam link transmitted from the external system 600 via the network 300. Further, the traffic information acquisition unit 402c may acquire the traffic information received from the external system 600 by the information acquisition unit 410.

  The traffic jam length setting unit 402d is a traffic jam length setting unit that sets the length of the traffic jam in the divided section based on the traffic jam information acquired by the traffic jam information acquisition unit 402c. Here, the traffic jam length setting unit 402d may set the length of the traffic jam link in the divided section or the longest length of the linked traffic jam links as the traffic jam length. Further, the traffic jam length setting unit 402d may set the total length of the traffic jam links in the divided sections as the traffic jam length. Further, the traffic jam length setting unit 402d sets the total length of the traffic jam links in the same direction as the predetermined direction from the current position of the user of the traffic jam status display device 400 in the divided section as the traffic jam length. May be.

  The traffic density setting unit 402e is a traffic density setting unit that sets a traffic density that indicates the percentage of traffic jam links in the divided sections based on the traffic information acquired by the traffic information acquisition unit 402c.

  The radar graphic data generation unit 402f generates radar graphic data based on the traffic jam length set by the traffic jam length setting unit 402d and the traffic jam density set by the traffic jam density setting unit 402e. Means. Here, the radar graphic data generation unit 402f sets the shape of the radar graphic based on the radar graphic data based on the length of the traffic jam set by the traffic jam length setting unit 402d, and the traffic jam set by the traffic jam density setting unit 402e. The color of the radar figure may be set based on the density. Further, the radar graphic data generation unit 402f further sets the color of the radar graphic based on the direction from the current position of the user of the traffic jam situation display device 400 based on the current position information acquired by the current position information acquisition unit 402a. May be.

  The radar graphic display unit 402g is radar graphic display means for displaying on the display unit 414 a display screen displaying the radar graphic data generated by the radar graphic data generation unit 402f. Here, the radar graphic display unit 402g displays a display screen in which the radar graphic data generated by the radar graphic data generation unit 402f is superimposed on the map data including a predetermined range stored in the map database 406a. You may display on the part 414. The radar graphic display unit 402g is based on the current position information of the user of the traffic jam condition display device 400 acquired by the current position information acquisition unit 402a on the map data including the predetermined range stored in the map database 406a. The current position display data may be superimposed and displayed, and a display screen in which the radar graphic data generated by the radar graphic data generation unit 402f is displayed may be displayed on the display unit 414.

  Above, description of an example of a structure of the traffic congestion condition display apparatus 400 in 3rd Embodiment is finished.

[Treatment of traffic congestion status display device 400 (stand-alone type)]
Next, an example of the processing of the traffic congestion status display device 400 in the third embodiment configured as described above will be described in detail with reference to FIG.

  As shown in FIG. 9, first, the current position information acquisition unit 402a acquires the current position information of the user of the traffic jam status display device 400 (step SC-1).

  Then, the divided section setting unit 402b displays the map on the map based on the map data stored in the map database 406a from the current position of the user of the traffic condition display device 400 based on the current position information acquired by the current position information acquiring unit 402a. A divided section is set by dividing the predetermined range into a plurality (step SC-2). Here, the predetermined range may be a rectangular area including a predetermined distance ahead in the traveling direction of the user of the traffic jam status display device 400 based on the current position information acquired by the current position information acquisition unit 402a. It may be a circular area whose radius is a predetermined distance centered on the traffic condition display device 400. In addition, the divided section is a strip type parallel to a predetermined direction from the current position of the user of the congestion status display device 400 based on the current position information acquired by the current position information acquisition unit 402a, It may be a section divided into a sector shape centered on the position.

  Then, the traffic jam information acquisition unit 402c receives the traffic jam information about the traffic jam link, which is a traffic jam link transmitted from the external system 600 via the network 300 (step SC-3). Here, the traffic information acquisition unit 402c may acquire the traffic information received from the external system 600 by the information acquisition unit 410.

  Then, the traffic jam length setting unit 402d sets the length of the traffic jam in the divided section based on the traffic jam information acquired by the traffic jam information acquisition unit 402c (step SC-4). Here, the traffic jam length setting unit 402d may set the length of the traffic jam link in the divided section or the longest length of the linked traffic jam links as the traffic jam length. Further, the traffic jam length setting unit 402d may set the total length of the traffic jam links in the divided sections as the traffic jam length. Further, the traffic jam length setting unit 402d has a traffic jam in the same direction as the current position of the user of the traffic jam status display device 400 in the divided section (for example, the traveling direction of the user of the traffic jam status display device 400). A total of the link lengths may be set as the length of the traffic jam.

  Then, the traffic density setting unit 402e detects, based on the traffic information acquired by the traffic information acquisition unit 402c, the traffic density indicating the traffic link ratio in the divided section by the external system 600 and distributes the traffic information. Set the value obtained by dividing the number of traffic congestion links by the number of traffic link distribution links that are road links in the divided sections (that is, “congestion density” = “congestion link” / “congestion information distribution link”) (Step SC-5).

  The radar graphic data generation unit 402f generates radar graphic data based on the length of the traffic jam set by the traffic jam length setting unit 402d and the traffic jam density set by the traffic jam density setting unit 402e (step SC- 6). Here, the radar graphic data generation unit 402f sets the shape of the radar graphic based on the radar graphic data based on the length of the traffic jam set by the traffic jam length setting unit 402d, and the traffic jam set by the traffic jam density setting unit 402e. The color of the radar figure may be set based on the density. Further, the radar graphic data generation unit 402f further sets the color of the radar graphic based on the direction from the current position of the user of the traffic jam situation display device 400 based on the current position information acquired by the current position information acquisition unit 402a. May be.

  Then, the radar graphic display unit 402g causes the display unit 414 to display a display screen displaying the radar graphic data generated by the radar graphic data generation unit 402f (step SC-7). Here, the radar graphic display unit 402g displays a display screen in which the radar graphic data generated by the radar graphic data generation unit 402f is superimposed on the map data including a predetermined range stored in the map database 406a. You may display on the part 414. The radar graphic display unit 402g is based on the current position information of the user of the traffic jam condition display device 400 acquired by the current position information acquisition unit 402a on the map data including the predetermined range stored in the map database 406a. The current position display data may be superimposed and displayed, and a display screen in which the radar graphic data generated by the radar graphic data generation unit 402f is displayed may be displayed on the display unit 414.

  Above, description of an example of the process of the traffic condition display apparatus 400 in 3rd Embodiment is finished.

[Other embodiments]
Although the embodiments of the present invention have been described so far, the present invention is not limited to the above-described embodiments, but can be applied to various different embodiments within the scope of the technical idea described in the claims. It may be implemented.

  In addition, among the processes described in the embodiment, all or part of the processes described as being automatically performed can be performed manually, or the processes described as being performed manually can be performed. All or a part can be automatically performed by a known method.

  In addition, unless otherwise specified, the processing procedures, control procedures, specific names, information including registration data for each processing, parameters such as search conditions, screen examples, and database configurations shown in the above documents and drawings Can be changed arbitrarily.

  Further, regarding the terminal device 100, the traffic condition display server 200, the traffic condition display apparatus 400, and the external system 600, each illustrated component is functionally conceptual and is not necessarily physically configured as illustrated. I don't need it.

  For example, regarding the processing functions provided in each device of the terminal device 100, the traffic jam status display server 200, and the traffic jam status display device 400, particularly the processing functions performed in the control unit 102, the control unit 202, and the control unit 402, All or any part thereof can be realized by a CPU (Central Processing Unit) and a program interpreted and executed by the CPU, or can be realized as hardware by wired logic. The program is recorded on a recording medium to be described later, and is mechanically read by the terminal device 100, the traffic jam status display server 200, and the traffic jam status display device 400 as necessary. In other words, the storage unit 206 such as the ROM or the HD, the storage unit 406, and the like store computer programs for giving instructions to the CPU in cooperation with the OS and performing various processes. This computer program is executed by being loaded into the RAM, and constitutes a control unit in cooperation with the CPU.

  The computer program may be stored in an application program server connected to the terminal device 100, the traffic condition display server 200, and the traffic condition display apparatus 400 via an arbitrary network 300. It is also possible to download all or part of it.

  The program according to the present invention can also be stored in a computer-readable recording medium. Here, the “recording medium” is an arbitrary “portable physical medium” such as a flexible disk, a magneto-optical disk, a ROM, an EPROM, an EEPROM, a CD-ROM, an MO, a DVD, a Blu-ray Disc, or the like. It includes a “communication medium” that holds a program in a short period of time, such as a communication line or a carrier wave when a program is transmitted via a network represented by a LAN, WAN, or the Internet.

  The “program” is a data processing method described in an arbitrary language or description method, and may be in any format such as source code or binary code. Note that the “program” is not necessarily limited to a single configuration, and functions are achieved in cooperation with a separate configuration such as a plurality of modules and libraries or a separate program represented by the OS. Including things. Note that a well-known configuration and procedure can be used for a specific configuration for reading a recording medium, a reading procedure, an installation procedure after reading, and the like in each device described in the embodiment.

  Various databases (map databases 206a, 406a, etc.) stored in the storage unit 206 and the storage unit 406 are storage means such as a memory device such as RAM and ROM, a fixed disk device such as a hard disk, a flexible disk, and an optical disk. Various programs, tables, databases, web page files, etc. used for various processing and website provision are stored.

  The terminal device 100, the traffic jam status display server 200, and the traffic jam status display device 400 are connected to an information processing device such as a known personal computer or a workstation, and the software that causes the information processing device to implement the method of the present invention. (Including programs, data, etc.) may be implemented.

  Furthermore, the specific form of distribution / integration of the devices is not limited to that shown in the figure, and all or a part of them may be functional or physical in arbitrary units according to various additions or according to functional loads. Can be distributed and integrated.

  As described above in detail, according to the present invention, the traffic situation display system, the terminal device, and the traffic situation display which can grasp the traffic situation around the current position displayed on the screen sensuously just by looking at the display screen. Since the server, the traffic condition display device, and the traffic condition display method can be provided, the present invention is extremely useful in various fields such as information devices that support map display and the information processing field.

100 terminal device 102 control unit
102a Current position information acquisition unit
102b Current position information transmitter
102c Traffic jam information transmitter
102d Radar graphic data receiver
102e Radar graphic display unit 104 Communication control interface unit 108 Input / output control interface unit 110 Information acquisition unit 112 Position acquisition unit 114 Display unit 200 Congestion status display server 202 Control unit
202a Current position information receiver
202b Division setting unit
202c Traffic jam information acquisition unit
202d Traffic jam length setting section
202e Traffic density setting part
202f Radar graphic data generation unit
202g Radar graphic data transmitter
202h Display screen generator
202i Display control unit 204 Communication control interface unit 206 Storage unit
206a Map database 300 Network 400 Congestion status display device (stand-alone type)
402 control unit
402a Current position information acquisition unit
402b Division setting unit
402c Traffic jam information acquisition unit
402d Traffic jam length setting section
402e Traffic density setting part
402f Radar graphic data generation unit
402g Radar graphic display unit 404 Communication control interface unit 406 Storage unit
406a Map database 408 Input / output control interface unit 410 Information acquisition unit 412 Position acquisition unit 414 Display unit 600 External system

Claims (13)

A traffic congestion status display server comprising at least a traffic congestion status display server including a control unit and a storage unit, and a terminal device including at least a display unit and a control unit, in a communicable manner,
The storage unit of the traffic status display server
Map data storage means for storing map data on at least road links;
With
The control unit of the traffic status display server
A divided section setting means for setting a divided section obtained by dividing a predetermined range on the map based on the map data stored in the map data storage means into a plurality of sections from the current position of the user of the terminal device;
A traffic information acquisition means for acquiring traffic information about the traffic link that is the above-mentioned road link in traffic;
Based on the traffic jam information acquired by the traffic jam information acquisition unit, a traffic jam length setting unit that sets the length of the traffic jam in the divided section;
Based on the traffic jam information acquired by the traffic jam information acquisition unit, a traffic jam density setting unit that sets a traffic jam density indicating a ratio of the traffic jam link in the divided section;
Radar figure data generation means for generating one radar figure data based on the length of the congestion set by the congestion length setting means and the congestion density set by the congestion density setting means;
Radar graphic data transmitting means for transmitting the radar graphic data generated by the radar graphic data generating means to the terminal device;
With
The control unit of the terminal device is
Radar figure data receiving means for receiving the radar figure data transmitted by the radar figure data transmitting means of the traffic condition display server;
Radar graphic display means for displaying on the display unit a display screen displaying the radar graphic data received by the radar graphic data receiving means;
Equipped with a,
The radar graphic data generating means includes:
Based on the length of the traffic jam set by the traffic jam length setting means, the shape of the radar graphic based on the radar graphic data is set, and based on the traffic jam density set by the traffic jam density setting means, Congestion status display system, characterized by color settings . In the traffic condition display system according to claim 1,
The divided section is
A traffic congestion status display system, wherein the predetermined range is a section obtained by dividing the predetermined range into a strip shape parallel to a predetermined direction from the current position or a fan shape centered on the current position. In the traffic jam status display system according to claim 1 or 2,
The congestion length setting means is
The traffic jam status display system, wherein the length of the traffic jam link in the divided section or the longest length of the linked traffic jam links is set as the traffic jam length. In the traffic jam status display system according to claim 1 or 2,
The congestion length setting means is
A traffic congestion status display system, wherein a total of the lengths of the traffic jam links in the divided sections is set as the traffic jam length. In the traffic jam status display system according to claim 1 or 2,
The congestion length setting means is
A traffic congestion status display system, wherein the total length of the traffic jam links in the same direction as the predetermined direction from the current position in the divided section is set as the traffic jam length. In the traffic condition display system according to any one of claims 1 to 5 ,
The radar graphic data generating means further includes:
A traffic congestion status display system, wherein the color of the radar figure is set based on a direction from the current position. A terminal device that is connected to a traffic status display server so as to be communicable and includes at least a display unit and a control unit,
The control unit
The traffic jam that is sent from the traffic jam status display server and indicates the length of the traffic jam in the divided section that divides the predetermined range on the map into a plurality, and the percentage of the traffic jam links that are the traffic links in the divided section radar graphic data receiving means for receiving and density, one radar graphic data based on,
Radar graphic display means for displaying on the display unit a display screen displaying the radar graphic data received by the radar graphic data receiving means;
Equipped with a,
The radar graphic data is
A terminal device, wherein a shape of a radar graphic based on the radar graphic data is set based on the length of the traffic jam, and a color of the radar graphic is set based on the traffic density . A traffic situation display server having at least a control unit and a storage unit, connected to a terminal device having at least a display unit so as to be able to communicate,
The storage unit
Map data storage means for storing map data on at least road links;
With
The control unit
A divided section setting means for setting a divided section obtained by dividing a predetermined range on the map based on the map data stored in the map data storage means into a plurality of sections from the current position of the user of the terminal device;
A traffic information acquisition means for acquiring traffic information about the traffic link that is the above-mentioned road link in traffic;
Based on the traffic jam information acquired by the traffic jam information acquisition unit, a traffic jam length setting unit that sets the length of the traffic jam in the divided section;
Based on the traffic jam information acquired by the traffic jam information acquisition unit, a traffic jam density setting unit that sets a traffic jam density indicating a ratio of the traffic jam link in the divided section;
Radar figure data generation means for generating one radar figure data based on the length of the congestion set by the congestion length setting means and the congestion density set by the congestion density setting means;
Display screen generating means for generating a display screen displaying the radar graphic data generated by the radar graphic data generating means;
Display control means for displaying the display screen on the display unit of the terminal device by transmitting the display screen generated by the display screen generating means to the terminal device;
Equipped with a,
The radar graphic data generating means includes:
Based on the length of the traffic jam set by the traffic jam length setting means, the shape of the radar graphic based on the radar graphic data is set, and based on the traffic jam density set by the traffic jam density setting means, A traffic condition display server characterized by setting a color . A traffic situation display device comprising at least a display unit, a control unit, and a storage unit,
The storage unit
Map data storage means for storing map data on at least road links;
With
The control unit
A divided section setting means for setting a divided section by dividing a predetermined range on the map based on the map data stored in the map data storage means into a plurality of divided sections from the current position of the user of the traffic congestion status display device;
A traffic information acquisition means for acquiring traffic information about the traffic link that is the above-mentioned road link in traffic;
Based on the traffic jam information acquired by the traffic jam information acquisition unit, a traffic jam length setting unit that sets the length of the traffic jam in the divided section;
Based on the traffic jam information acquired by the traffic jam information acquisition unit, a traffic jam density setting unit that sets a traffic jam density indicating a ratio of the traffic jam link in the divided section;
Radar figure data generation means for generating one radar figure data based on the length of the congestion set by the congestion length setting means and the congestion density set by the congestion density setting means;
Radar graphic display means for displaying on the display unit a display screen displaying the radar graphic data generated by the radar graphic data generating means;
Equipped with a,
The radar graphic data generating means includes:
Based on the length of the traffic jam set by the traffic jam length setting means, the shape of the radar graphic based on the radar graphic data is set, and based on the traffic jam density set by the traffic jam density setting means, A traffic condition display device characterized by setting a color . A traffic jam condition display method executed in a traffic jam status display system in which a traffic jam status display server having at least a control unit and a storage unit and a terminal device having at least a display unit and a control unit are connected to be communicable. And
The storage unit of the traffic status display server
Map data storage means for storing map data on at least road links;
With
A predetermined range on the map based on the map data stored in the map data storage means is divided into a plurality of ranges from the current position of the user of the terminal device, which is executed in the control unit of the traffic condition display server A partition setting step for setting a partition;
A traffic jam information acquisition step for acquiring traffic jam information about a traffic jam link that is the road link being jammed, which is executed in the control unit of the traffic jam status display server;
A traffic jam length setting step for setting the length of the traffic jam in the divided section based on the traffic jam information acquired in the traffic jam information acquisition step, which is executed in the control unit of the traffic jam status display server;
Based on the traffic information acquired in the traffic information acquisition step, which is executed in the control unit of the traffic status display server, a traffic density that sets a traffic density indicating a ratio of the traffic link in the divided section Configuration steps;
Based on the length of the traffic jam set in the traffic jam length setting step and the traffic jam density set in the traffic jam density setting step, which is executed in the control unit of the traffic jam status display server. Radar graphic data generation step for generating radar graphic data;
A radar graphic data transmitting step for transmitting the radar graphic data generated in the radar graphic data generating step, which is executed in the control unit of the traffic jam status display server, to the terminal device;
A radar graphic data receiving step for receiving the radar graphic data transmitted in the radar graphic data transmitting step of the traffic congestion status display server, which is executed in the control unit of the terminal device;
A radar graphic display step for causing the display unit to display a display screen displaying the radar graphic data received in the radar graphic data reception step, which is executed in the control unit of the terminal device;
Only including,
The radar graphic data generation step includes
Based on the length of the traffic jam set in the traffic jam length setting step, the shape of the radar graphic based on the radar graphic data is set, and on the basis of the traffic jam density set in the traffic jam density setting step, A traffic condition display method characterized by setting a color . A traffic congestion status display method that is executed in a terminal device that is connected to a traffic congestion status display server in a communicable manner and includes at least a display unit and a control unit,
Executed in the control unit,
The traffic jam that is sent from the traffic jam status display server and indicates the length of the traffic jam in the divided section that divides the predetermined range on the map into a plurality, and the percentage of the traffic jam links that are the traffic links in the divided section radar graphic data receiving step of receiving the density, one radar graphic data based on,
A radar graphic display step for causing the display unit to display a display screen displaying the radar graphic data received in the radar graphic data receiving step;
Only including,
The radar graphic data is
A traffic congestion status display method, wherein the shape of a radar graphic based on the radar graphic data is set based on the length of the traffic congestion, and the color of the radar graphic is set based on the traffic congestion density. . A traffic jam status display method executed in a traffic jam status display server having at least a control unit and a storage unit, which is communicably connected to a terminal device having at least a display unit,
The storage unit
Map data storage means for storing map data on at least road links;
With
Executed in the control unit,
A division division setting step for setting a division division obtained by dividing a predetermined range on the map based on the map data stored in the map data storage unit into a plurality of divisions from the current position of the user of the terminal device;
A traffic information acquisition step for acquiring traffic information about the traffic link, which is the above-mentioned road link in traffic;
Based on the traffic jam information acquired in the traffic jam information acquisition step, a traffic jam length setting step for setting the length of traffic jam in the divided section;
Based on the traffic jam information acquired in the traffic jam information acquisition step, a traffic jam density setting step for setting a traffic jam density indicating a ratio of the traffic jam link in the divided section;
A radar graphic data generation step for generating one radar graphic data based on the length of the traffic jam set in the traffic jam length setting step and the traffic jam density set in the traffic jam density setting step;
A display screen generating step for generating a display screen displaying the radar graphic data generated in the radar graphic data generating step;
A display control step for displaying the display screen on the display unit of the terminal device by transmitting the display screen generated in the display screen generating step to the terminal device;
Only including,
The radar graphic data generation step includes
Based on the length of the traffic jam set in the traffic jam length setting step, the shape of the radar graphic based on the radar graphic data is set, and on the basis of the traffic jam density set in the traffic jam density setting step, A traffic condition display method characterized by setting a color . A traffic jam status display method executed in a traffic jam status display device comprising at least a display unit, a control unit, and a storage unit,
The storage unit
Map data storage means for storing map data on at least road links;
With
Executed in the control unit,
A divided section setting step for setting a divided section in which a predetermined range on the map based on the map data stored in the map data storage means is divided into a plurality of sections from the current position of the user of the traffic congestion status display device;
A traffic information acquisition step for acquiring traffic information about the traffic link, which is the above-mentioned road link in traffic;
Based on the traffic jam information acquired in the traffic jam information acquisition step, a traffic jam length setting step for setting the length of traffic jam in the divided section;
Based on the traffic jam information acquired in the traffic jam information acquisition step, a traffic jam density setting step for setting a traffic jam density indicating a ratio of the traffic jam link in the divided section;
A radar graphic data generation step for generating one radar graphic data based on the length of the traffic jam set in the traffic jam length setting step and the traffic jam density set in the traffic jam density setting step;
A radar graphic display step for causing the display unit to display a display screen displaying the radar graphic data generated in the radar graphic data generation step;
Only including,
The radar graphic data generation step includes
Based on the length of the traffic jam set in the traffic jam length setting step, the shape of the radar graphic based on the radar graphic data is set, and on the basis of the traffic jam density set in the traffic jam density setting step, A traffic condition display method characterized by setting a color .

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