JP7300709B2 - System and program etc. - Google Patents

Description

Application of Article 30, Paragraph 2 of the Patent Law Posting address https://www. yupiteru. co. jp/products/navi/ypb745ml/http://www2. yupiteru. co. jp/manual/pdf. php? pdfname=YPB745ML https://www. yupiteru. co. jp/products/navi/ypb735ml/http://www2. yupiteru. co. jp/manual/pdf. php? pdfname=YPB735ML https://www. yupiteru. co. jp/products/navi/wnb75ml/https://my. yupiteru. co. jp/upload/save_image/manual/pdf/WNB75ML. pdf https://www. yupiteru. co. jp/products/biz_pnd/ypl725ml/http://www2. yupiteru. co. jp/manual/pdf. php? pdfname=YPL725ML (published on March 29, 2019)

The present invention relates to systems, programs, and the like.

A system is known that assists a user in driving a vehicle safely. Patent Literatures 1 and 2 disclose techniques for notifying the driver so that the vehicle does not accidentally enter from the exit of a one-way road.

JP 2007-139531 A Patent No. 3437629

Since the user is driving the vehicle, it is desirable that the information for assisting driving be easy for the user to understand. One of the objects of the present invention is to provide a technique for reporting information that is easy for a user to understand and assists in driving a vehicle.

The purpose of the invention of the present application is not limited to this, and we intend to acquire rights for the structure aiming to obtain the effects produced by the parts of the structure disclosed in the specification, drawings, etc. by divisional application, amendment, etc. . For example, the present specification discloses a problem in which the phrase "can be done" is read as "is the problem." The problems are described as independent ones, and we intend to acquire the rights for the structure for solving each problem independently by filing a divisional application, an amendment, etc. Even if the problem is implicitly grasped from the description of the specification, the applicant intends to claim part of the structure described in this specification in an amended or divisional application. It also discloses a configuration that solves a problem that combines these independent problems, and has the intention to acquire the right.

(1) A system for displaying a map within a predetermined range from the position of a vehicle and reporting information, wherein first information about a first target object existing at a predetermined point on the map is displayed as the point. Provided is a system having a display control unit that performs control to display second information related to the first notification object in association with each other, and to further display the second information regarding the first notification object when the distance between the vehicle and the point becomes equal to or less than a threshold.

The user can grasp the location where the first notification object exists and the first information related to the first notification object. When the vehicle approaches the first object to be notified, the user can further grasp the second information related to the first object to be notified. As described above, the content and display timing of the first information and the second information are different. In this way, it is possible to provide a technique for informing the user of information for assisting the driving of the vehicle that is easy for the user to understand.

(2) The first information may indicate information regarding traffic rules at the point.

In this way, the user can grasp the traffic rules to which he/she should pay attention from the first information.

(3) The second information may indicate information regarding the operation of the vehicle at the point.

In this way, when the vehicle approaches the first notification object, the user can grasp the second information regarding the operation of the vehicle at that point.

(4) The first object to be notified indicates an exit of a one-way road that is closest to the vehicle, among exits of one-way roads that exist on the road on which the vehicle travels, and the second information is the nearest one-way road exit. It is preferable to indicate at least one of the shape of the road connected to the exit of the one-way road and the distance to the exit.

In this way, the user can grasp the presence and location of the exit of the one-way road that the vehicle is approaching, and furthermore, when approaching it, grasp other information regarding the exit of the one-way road. can do.

(5) When a road connecting to the exit satisfies a predetermined condition, the display control unit performs control to display the second information indicating a warning regarding the operation of the vehicle instead of the shape of the road. It is better to

In this way, when the shape of the road near the exit of a one-way road shows a special pattern or other predetermined conditions, even when the shape of the road is not displayed, attention to the operation of the vehicle can be displayed. Arousal information can be notified to the user.

(6) The first object to be notified may be the intersection at which the traffic signal closest to the vehicle is installed among the intersections at which the traffic signal is installed on the road on which the vehicle travels.

In this way, the user can grasp the presence and point of the intersection where the traffic light is installed, and furthermore, when approaching the intersection, he can grasp other information about the intersection.

(7) The first information may indicate an enlarged image of a traffic light on the map.

In this way, it becomes easier for the user to visually grasp the intersection where the vehicle is approaching and the traffic light is installed.

(8) The display control unit may change the threshold in accordance with a travel speed specified for the road on which the vehicle travels.

In this way, the second information can be notified to the user at an appropriate timing according to the running speed of the vehicle.

(9) A setting unit for setting a language or region may be provided, and the display control unit may display the second information using the set language or a language corresponding to the region.

In this way, when the vehicle approaches the first notification object, the second information regarding the first notification object can be notified using a language that the user can understand.

(10) The display control unit may perform control to display the second information when the vehicle turns in a predetermined direction.

Drivers need to pay particular attention to driving when the vehicle turns in a given direction. In this way, when the vehicle actually tries to turn at an intersection where a traffic light is actually installed, information about that intersection can be displayed.

(11) The display control unit may perform control to display the second information when the speed of the vehicle is less than a predetermined speed.

If the vehicle slows down, it is more likely that the vehicle is about to turn than otherwise. In this way, when there is a high possibility that the vehicle is going to turn, it is possible to notify the second information about the first notification object existing at that point.

(12) The display control unit may perform control to enlarge and display the map when the distance between the vehicle and the point is equal to or less than the threshold value.

This makes it easier for the user to visually recognize that the first notification object exists nearby.

(13) The predetermined point may be a point on or along the road on which the vehicle travels.

In this way, it becomes easier for the user to visually grasp the information about the first notification object that the vehicle is likely to approach.

(14) The display control unit reduces the map and displays third information about the second notification object when the second notification object exists within a predetermined range from the position of the vehicle. It is recommended that you do so.

In this way, with respect to the second notification target object different from the first notification target object, it is possible to target a wide distance range from the position of the vehicle, and to notify information about this.

(15) A program is provided for causing a computer to implement the functions of any one of the above systems.

In this way, it is possible to provide a technique for informing the user of information for assisting the driving of the vehicle that is easy for the user to understand.

The inventions shown in (1) to (14) above can be combined arbitrarily. For example, it is preferable to add at least part of the configuration of at least one invention after (2) to all or part of the configuration of the invention shown in (1). In particular, the invention shown in (1) may be added with at least a part of the configuration of at least one invention after (2). Also, arbitrary configurations may be extracted from the inventions shown in (1) to (14) and the extracted configurations may be combined. The applicant of this application intends to obtain rights to inventions including these configurations. In addition, even if there is a description of "in the case of" or "when", it is not described as a configuration limited to that case or that time. These are examples of better configurations, and we intend to acquire configurations that are not in these cases or occasions. Moreover, the parts described with order are not limited to this order. It also discloses a configuration in which some parts are deleted or the order is changed, and there is an intention to acquire the right.

ADVANTAGE OF THE INVENTION According to this invention, the technique which alert|reports the information which assists the driving|operation of a vehicle which is easy for a user to understand can be provided.

The effect of the invention of the present application is not limited to this, and the effect produced by the parts of the configuration disclosed in the specification and drawings, etc. is also disclosed, and the configuration that produces the effect is also acquired by divisional application, amendment, etc. have the intention to For example, in this specification, the description of "can be done" is a description that clearly shows the effect, and there are parts showing the effect even if there is no description of "can be done". Moreover, even without such a description, there is an effect that can be grasped by the configuration.

It is a figure explaining the outline of the system concerning one embodiment. FIG. 4 is a diagram showing an overview of screens of the system according to one embodiment; 1 is a block diagram showing the configuration of a system according to one embodiment; FIG. 6 is a flow chart showing operations related to language setting of the system according to one embodiment. 4 is a flow chart showing operations related to the driving support function of the system according to one embodiment; 4 is a flow chart showing operations related to a one-way entry prohibition guidance function of the system according to one embodiment. FIG. 5 is a diagram showing a display example of a screen regarding a one-way entry prohibition guidance function of the system according to one embodiment; FIG. 5 is a diagram showing a display example of a screen regarding a one-way entry prohibition guidance function of the system according to one embodiment; FIG. 5 is a diagram showing a display example of a screen regarding a one-way entry prohibition guidance function of the system according to one embodiment; FIG. 5 is a diagram showing a display example of a screen regarding a one-way entry prohibition guidance function of the system according to one embodiment; It is a flowchart which shows the operation|movement regarding the intersection oncoming vehicle warning guidance function of the system which concerns on one Embodiment. It is a figure which shows the example of a display of the screen regarding the intersection oncoming vehicle warning guidance function of the system which concerns on one Embodiment. It is a figure which shows the example of a display of the screen regarding the intersection oncoming vehicle warning guidance function of the system which concerns on one Embodiment. It is a flowchart which shows the operation|movement regarding the 2nd alerting|reporting target object alerting|reporting function of the system which concerns on one Embodiment. It is a figure which shows the example of a display of the screen regarding the 2nd alerting|reporting target object alerting|reporting function of the system which concerns on one Embodiment. It is a figure which shows the example of a display of the screen of the system which concerns on one Embodiment.

Hereinafter, embodiments will be described in detail with reference to the drawings. The embodiments shown below are examples of embodiments of the present disclosure, and the present disclosure is not limited to these embodiments. In the drawings referred to in this embodiment, the same parts or parts having similar functions are denoted by the same reference numerals or similar reference numerals (reference numerals followed by A, B, etc.). may be omitted. Also, in each drawing referred to in the following description, the scale may be different from the actual scale in order to make each member, each region, etc. recognizable.

A case where the system of the present invention is applied to a system 10 installed in a vehicle will be described below. The system 10 provides information by displaying a map within a predetermined range from the position of the vehicle. FIG. 1 is a diagram explaining an outline of the system 10. As shown in FIG. FIG. 2 is a diagram showing an overview of the screen of system 10. As shown in FIG.

As shown in FIG. 1, the system 10 is a substantially rectangular parallelepiped monitor-type electronic device. System 10 is placed in the passenger compartment of vehicle 40 . Vehicle 40 is a four-wheeled vehicle or other vehicle. Vehicle 40 is, for example, a rental car or a user's private car. The system 10 is fixed on the dashboard 41 using, for example, double-sided tape. The front of the housing of system 10 is provided with an opening. The system 10 has a display 12 for displaying an image at the position of this opening. The housing is made of resin or other material.

System 10 broadcasts information using any one of a plurality of languages. There are five languages (Japanese, English, Korean, and Chinese (simplified/traditional)) available for the system 10 . The system 10 has four languages (Japanese, English, Korean, and Chinese) as languages used for audio output. Languages supported by the system 10 may be languages other than these. The system 10 notifies various information using sounds and displays.

As shown in FIG. 2, the system 10 divides the display area of the display unit 12 into two, left and right. The system 10 performs control to display the screen SC1 relating to the route guidance function in the left region when viewed from the front of the display unit 12 and to display the screen SC2 relating to the driving support function in the right region. The route guidance function is a function of guiding a route (road) from a starting point set by the user to a destination using sounds and displays. The screen SC1 shows information such as a map around the current position, an icon indicating the current position of the vehicle 40, a route to be traveled, the current position, and the current time.

The driving assistance function is a driving assistance function that assists the user in driving the vehicle 40 . The screen SC2 shows a map of the surroundings of the current position, an icon indicating the current position of the vehicle 40, and information about a notification object to be notified to the user. The driving support function includes a one-way entry prohibition guidance function, a one-way entry prohibition guidance function, and a second notification object notification function. Details of these functions will be described later. The map used for the route guidance function should be multicolored (color), and the map used for the driving support function should include a portion displayed in black and white (monochrome).

FIG. 3 is a block diagram showing the electrical configuration of system 10. As shown in FIG. The control unit 11 controls each unit of the system 10 . The control unit 11 is, for example, a computer including an arithmetic processing circuit and memory. The arithmetic processing circuit includes, for example, a CPU (Central Processing Unit), an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array), or other arithmetic processing circuits. The memory includes, for example, RAM (Random Access Memory) or other volatile memory. The arithmetic processing circuit performs various controls by temporarily reading out data to the memory and performing arithmetic processing. The control unit 11 functions as a setting unit that sets a language used for displaying information, and a display control unit that controls display of information on the display unit 12 .

The display unit 12 displays images. The display unit 12 may be, for example, a 3.2-inch color TFT liquid crystal display, but may be an organic EL display or other types of display devices. The speaker 13 outputs sound. The microwave receiver 14 includes an antenna and a receiver circuit, and receives microwaves. The control unit 11 detects the presence of a speed control device (for example, Orvis) based on the microwaves of a predetermined frequency received by the microwave receiving unit 14 . A GPS (Global Positioning System) receiver 15 includes an antenna and a receiver circuit, and receives signals from GPS satellites. The GPS receiver 15 processes the received signal and outputs position information. The location information indicates the current location of system 10 . The location information indicates the current location of vehicle 40 on which system 10 is installed. The position information includes at least latitude information and longitude information, and preferably includes altitude information. The communication unit 16 communicates with an external device. The communication unit 16 performs wireless communication using, for example, Wi-Fi (registered trademark), Bluetooth (registered trademark), or other methods.

The storage unit 17 stores data. The storage unit 17 stores, for example, programs for the control unit 11 to perform various controls. The control unit 11 reads the program from the storage unit 17 to the memory and executes it. The storage unit 17 stores map data indicating a map, data indicating the types and locations of various facilities, data for notifying the existence of notification objects, data for realizing a route guidance function, and the like. The notification target object may be the first notification target object and the second notification target object. The first report target is an exit of a one-way road and an intersection with a traffic light. The second notification target object is a notification target object different from the first notification target object, and may be, for example, the following. The second report target is the drowsy driving accident point, speed measurement device (radar system, loop coil system, H system, LH system, phototube system, mobile system, laser system, etc.), speed limit switching point, control area, inspection Area, parking monitoring area, N system, traffic monitoring system, intersection monitoring point, signal ignoring control system, police station, accident-prone area, vehicle-targeting-prone area, sharp/continuous curve (highway), junction/junction point (highway) highway), ETC lane advance guidance (highway), service area (highway), parking area (highway), highway oasis (highway), smart interchange (highway), gas station in PA/SA (highway) , tunnels (highways), highway radio reception areas (highways), prefectural border announcements, roadside stations, and viewpoint parking. The storage unit 17 stores type information of a notification object, position information indicating the position of the notification object, data of an image (for example, a schematic diagram or a photograph) to be displayed on the display unit 12, and audio data. They are associated and stored.

Note that the storage unit 17 may include a storage medium that permanently stores data. The storage unit 17 may include, for example, optical recording media, magnetic recording media, semiconductor recording media, or other recording media.

The operation unit 18 receives user operations. The operation unit 18 includes, for example, a touch sensor, volume control buttons, and work buttons. The touch sensor is provided on the surface of the display unit 12 and detects the position touched by the user. A volume operation button is operated to adjust the volume of the sound output from the speaker 13 . The work button is a button for performing various work.

The sensor unit 19 includes various sensors. The sensor unit 19 includes, for example, a geomagnetic sensor, an acceleration sensor, and an illuminance sensor. A geomagnetic sensor is a sensor that detects geomagnetism to detect which direction the north direction is relative to the traveling direction. The acceleration sensor is a sensor that detects longitudinal, lateral, and vertical acceleration of the vehicle. The illuminance sensor is a sensor that detects illuminance indicating the brightness in the vehicle interior.

The mounting unit 20 is a mounting unit to which an external storage medium is mounted. The external storage medium is, for example, a memory card. In this case, the mounting portion 20 is a memory card slot. Data stored in the storage unit 17 may be fetched via an external storage medium. As this data, there is update information of information (position information such as longitude and latitude, type information, etc.) of a new notification target (target).

The power supply unit 21 supplies power supplied from the power supply to each unit in the system 10 . Power supply unit 21 includes, for example, a power switch and a DC jack. The DC jack is for connecting a cigar plug cord, and is connected to a cigar socket of the vehicle via the cigar plug cord to receive power supply. A power switch is a switch for turning on or off the power of the system 10 .

The light emitting section 22 emits light in various colors. The light emitting section 22 includes, for example, a light emitting diode.

The cable terminal portion 23 is a terminal to which an external connection cable is connected. For example, the connecting cable is the cable that connects the system 10 to an OBD-II connector installed in the vehicle. The OBD-II connector, also called a failure diagnosis connector, is connected to the ECU of the vehicle and outputs various vehicle information.

In addition to the above, the system 10 may also have functions of known car navigation systems and radar detectors.

The operation of system 10 will now be described.

<1. Language setting function>
The language setting function is a function of setting the language used by the system 10 for reporting information. FIG. 4 is a flow chart showing operations related to the language setting function of system 10 .

The control unit 11 in the system 10 displays a screen for accepting input of language setting (step S101). The control unit 11 causes the display unit 12 to display buttons corresponding to each language of Japanese, English, Korean, Chinese (simplified), and Chinese (traditional), and uses the operation unit 18 to select one of them. It is preferable to accept an operation to select the language of The control unit 11 sets the language selected by the user's operation of the operation unit 18 as the language used for information notification (step S102). The control unit 11 preferably stores the language setting data in the memory or the storage unit 17 . Based on this setting data, the control unit 11 notifies information in a specific language.

<2. Safe driving support function>
FIG. 5 is a flow chart showing the operation of the safe driving support function of the system 10. As shown in FIG. In the system 10, the control unit 11 executes in parallel a one-way entry prohibition guidance function, an oncoming vehicle caution guidance function at an intersection, and a second notification target object notification function during operation of the safe driving support function (steps S1, S3, S5). The operation of the driving safety support function may be, for example, the period during which the power of the system 10 is turned on, the period from when the operation of the driving safety support function is instructed by the user until the operation of the driving safety support function is terminated, or other period.

<2-1. One-way entry prohibition guidance function>
The one-way entry prohibition guidance function will be described with specific examples. FIG. 6 is a flow chart showing the operation of system 10 regarding the one-way entry prohibition guidance function. 7 to 10 are diagrams showing display examples of screens relating to the one-way entry prohibition guidance function.

The control unit 11 displays a one-way image and an entry prohibition image on the map (step S11). The one-way image shows a traffic sign indicating a one-way road. A one-way image is an image in which a white arrow image is drawn on a blue background. Arrows indicate directions in which vehicles are permitted to travel. A one-way image is placed at a point on a one-way road. The entry prohibition image shows a traffic sign prohibiting vehicle entry. The no-entry image is an image in which a white "-" pattern is drawn inside a red circular figure. The no-entry image is placed at a point on the map where an exit of a one-way road exists. The no-entry image is information about the exit of the one-way road and shows first information about the traffic rules of the road.

In the example of FIG. 7A, the control unit 11 displays on the map M a vehicle position icon I1 indicating the current position of the vehicle 40 and a one-way image I2. In the example of FIG. 7A, no entry prohibition image is displayed. The scale of the map M is such that an area within a distance range of 300 m (upper limit value of the right scale) in the vertical direction of the display unit 12 is displayed on the display unit 12, for example. Hereinafter, this will be expressed in such a way that the scale is set to 300m. The control unit 11 makes the road on which the vehicle 40 is traveling (hereinafter referred to as "traveling road") and the one-way road have different colors. One-way roads should be colored green, which is a special color, and roads to be traveled should be colored white. The own vehicle position icon I1 is arranged at a point on the traveling road R1. The position of the vehicle 40 is specified by position information generated by the GPS receiver 15 . Traveling road R1 is identified by the road on which vehicle 40 is currently traveling. The control unit 11 may execute a map matching function of correcting the current position indicated by the position information based on map data. In this way, even if there is a GPS positioning error, the vehicle position icon I1 is arranged on the traveling road R1. The control unit 11 displays the one-way image I2 in association with each one-way road existing on the map M. FIG.

FIG. 7(b) shows a state in which the vehicle 40 has moved forward from the state shown in FIG. 7(a). In the example of FIG. 7(b), the control unit 11 causes the map M to display an own vehicle position icon I1, a one-way image I2, and an entry prohibition image I3. The control unit 11 causes the entry prohibition image I3 to be displayed at the exit closest to the current position of the vehicle 40 among the exits of the one-way road R2 connected to the road on which the vehicle 40 travels. The closest here means the closest in the traveling direction on the road on which the vehicle 40 travels. The control unit 11 does not display the entry prohibition image I3 at the exits of other one-way roads. The control unit 11 does not display an entry prohibition image for a one-way road that can be entered from the traveling road R1 even if it is a one-way road connected to the traveling road R1.

Next, the control unit 11 determines whether or not the distance from the current position to the exit of the one-way road on the traveling road is equal to or less than a first threshold (step S12). The control unit 11 determines whether the distance to the exit of the nearest one-way road on the traveling road R1 is equal to or less than the first threshold. The first threshold may be 40m, but may be less than or greater than 40m. When determining "NO" in step S12, the control unit 11 advances the process to step S20. In this case, the control unit 11 determines whether or not to end the one-way entry prohibition guidance function (step S20), and if not (step S20; NO), returns the process to step S11. The user can grasp the existence of the exit of the one-way road approaching the vehicle 40 and its point.

If "YES" is determined in step S12, the control unit 11 enlarges and displays the map (step S13). For example, the control unit 11 sets the scale to 150 m and doubles the scale. Next, the control unit 11 determines whether the shape of the road connecting to the exit of the one-way road has a predetermined pattern (step S14). The predetermined pattern is, for example, a predetermined road shape pattern such as a cross road or a T-junction. The predetermined pattern is a simple and typical shape found in relatively many places. In this case, the control unit 11 determines "YES" in step S14.

If it is determined "YES" in step S14, the control unit 11 determines whether the speed of the vehicle 40 is less than the threshold and the distance from the current position to the exit of the one-way road on the traveling road is greater than or equal to the second threshold. (step S15). The threshold for the speed of the vehicle 40 may be, for example, 50 km/h, but may be less than 50 km/h or greater than 50 km/h. The second threshold may be 40m, but may be less than or greater than 40m. The second threshold is preferably the same as the first threshold, but may be different. The control unit 11 may acquire speed information from the vehicle 40 via the cable terminal unit 23 and identify the speed of the vehicle 40 . The control unit 11 may specify the speed of the vehicle 40 using the speed measured by the sensor unit 19 .

When it is determined "YES" in step S15, the control unit 11 causes the map M to display the first guide image G1. As shown in FIG. 8A, the first guide image G1 includes display elements G11, G12, and G13. The display element G11 is an image with a simple intersection diagram simply showing the shape of the road connected by the exit of the one-way road and an arrow showing the direction in which the vehicle can travel. The display element G12 is an image of a traffic sign indicating that entry is prohibited, and is the same as the entry prohibition image I3. The display element G13 is the distance (here, 93 m) from the current position to the exit of the one-way road. The first guide image G1 is arranged at the upper right position on the map M, and does not overlap the no-entry image I3, and they are displayed at the same time. When the vehicle 40 approaches the exit of a one-way road, the user can grasp other information about the exit of the one-way road from the first guide image G1.

For example, if the vehicle 40 is slow, it is more likely that the vehicle is about to turn than otherwise. In this way, when there is a high possibility that the user will enter the exit of a one-way road, the control unit 11 displays the first guide image G1 including the display elements G11 to G13 so that the user can grasp various information. display. You can grasp related information. If the distance is greater than the second threshold, it may be difficult to visually confirm the exit of the one-way road, so the control unit 11 displays the display element G13 indicating the distance.

After the process of step S16, the control unit 11 determines whether or not the exit of the one-way road has been passed (step S17). When determining "NO" in step S17, the control unit 11 returns to the process of step S14.

When it is determined “NO” in step S15, the control unit 11 causes the map M to display the first guide image G1a. As shown in FIG. 8(n), the first guide image G1 includes display elements G11 and G12, but does not include display element G13. In this way, when the speed of the vehicle 40 is greater than the threshold or the distance to the exit of the one-way road is less than the second threshold, the control unit 11 determines the distance from the current position to the exit of the one-way road. do not display. In such a case, the vehicle 40 is less likely to turn the road into a one-way exit. Therefore, the control unit 11 does not display the display element G13. After the process of step S18, the control unit 11 advances the process to step S17.

If "NO" is determined in step S14, the control unit 11 displays the second guide image G2 on the map M (step S21). The second guide image G2 is displayed to call attention to the operation of the vehicle when the road connecting to the exit of the one-way road does not correspond to the predetermined pattern because the road has a complicated intersection shape. be. The second guide image G2 includes information that calls attention to the running of the vehicle, and is displayed as "NO ENTORY" here. When a language other than Japanese is set as the language, it may be displayed in English, and in the case of Japanese, a character string such as "no entry" may be displayed. In this way, the control unit 11 can provide the user with information for assisting the driving of the vehicle even when a predetermined condition is satisfied, for example, the shape of the road near the exit of a one-way road is special. can. After the process of step S21, the control unit 11 advances the process to step S17. The control unit 11 may cause the speaker 13 to output a sound of "beep" during all or part of the display period of the guide image in steps S16, S17, or S21.

In step S17, when the controller 11 determines that the vehicle has passed through the exit of the one-way road (step S17; YES), the controller 11 restores the scale of the map and stops displaying the guide image (step S19). . The control unit 11 determines whether or not to terminate the one-way entry prohibition guidance function (step S20), and if terminated (step S20; YES), terminates the execution of the one-way entry prohibition guidance function.

The first guide images G1 and G1a show information related to vehicle operation, and are second information related to one-way road exits. The second guide image G2 is second information that indicates information regarding the operation of the vehicle, and indicates a call for attention regarding the operation of the vehicle.

The control unit 11 may change the first threshold according to the traveling speed specified for the road on which the vehicle 40 travels. FIG. 10 shows a display screen when the vehicle 40 travels on the highway R3. The control unit 11 may set different first thresholds for general roads and highways. In this case, the first threshold should be greater than 40 m, for example 100 m. In addition, the control unit 11 may change the scale of the map for general roads and highways. For example, the control unit 11 may set the scale to 150 m when traveling on a general road, and set the scale to 300 m when traveling on a highway. In this way, information can be notified to the user at an appropriate timing according to the traveling speed of the vehicle, and safe driving of the user can be assisted. The control unit 11 should not display a one-way road exclusive color for highways on the map, and should display only general roads.

The first guide image G3 includes display elements G31 and G32. The display element G31 is an image with a simple intersection diagram simply showing the shape of the road connected by the exit of the one-way road and an arrow showing the direction in which the vehicle can travel. The display element G32 is an image of a traffic sign indicating that the road is prohibited to enter, and is the same as the prohibited entry image I3. Here, the distance from the current position to the exit of the one-way road is not displayed. The control unit 11 may change the threshold according to the speed limit if the information on the speed limit of the road can be acquired.

<2-2. Intersection oncoming vehicle attention guidance function>
The intersection oncoming vehicle caution guidance function will be described with specific examples. FIG. 11 is a flow chart showing the operation of the system 10 regarding the oncoming vehicle warning function at the intersection. 12 and 13 are diagrams showing display examples of screens relating to the oncoming vehicle warning function at intersections.

The control unit 11 determines whether or not there is an intersection with a traffic light on the road (step S31). If "YES" is determined in step S31, the traffic signal image of the nearest intersection is enlarged and displayed (step S32).

FIG. 12(a) is an example of a display when "NO" is determined in step S31. A travel road R4 is a road on which the vehicle 40 is traveling. Although the control unit 11 displays the vehicle position icon I1 indicating the current position of the vehicle 40 on the road R4 on the map M, the traffic signal image is not displayed because there is no traffic signal nearby. The map M has, for example, a scale of 300 m (upper end value of the right scale).

FIG. 12(b) is a display example in the case where the vehicle 40 has moved forward from the state of FIG. 12(a) and it is determined "YES" in step S31. In the example of FIG. 12(b), the control unit 11 causes the map M to display a vehicle position icon I1 indicating the current position of the vehicle 40 and traffic light images I4 and I5. The traffic light images I4 and I5 are both images showing traffic lights. Among the traffic light images on the traveling road R4, the traffic light image I5 closest to the current position of the vehicle 40 is larger than the other traffic light images I4. Further, the control unit 11 blinks the traffic light image I5, but it is preferable to display the traffic light image I4 without blinking. In this way, it becomes easier for the user to visually grasp the presence of the traffic signal to which the vehicle 40 is approaching. The traffic light image enlarged in this way is the information about the intersection where the traffic light is installed, and shows the first information about the traffic rules of the road.

After the process of step S32 or when it is determined "NO" in step S31, the control unit 11 determines whether or not the distance from the current position to the intersection with the traffic light on the traveling road is equal to or less than the third threshold (step S33). The control unit 11 determines whether the distance from the position of the vehicle 40 to the intersection where the nearest traffic light is installed is equal to or less than the third threshold. The third threshold may be 100m, but may be less than or greater than 100m. When determining "NO" in step S33, the control unit 11 advances the process to step S41. In this case, the control unit 11 determines whether or not to end the oncoming vehicle warning function at the intersection (step S41), and if not (step S41; NO), returns the process to step S31.

If "YES" is determined in step S33, the map is enlarged and displayed (step S34). For example, the control unit 11 sets the scale to 150 m and doubles the scale.

Next, the control unit 11 determines whether the speed of the vehicle 40 is less than the threshold and the distance to the current position or the intersection where the traffic light is installed is greater than or equal to the fourth threshold (step S35). The threshold for the speed of the vehicle 40 may be, for example, 50 km/h, but may be less than 50 km/h or greater than 50 km/h. The fourth threshold may be 40m, but may be less than 40m or greater than 40m. The fourth threshold is preferably the same as the third threshold, but may be different. The speed identification method may be as described above.

When it is determined "YES" in step S35, the control section 11 displays the third guide image G4 on the map M (step S36). As shown in FIG. 13(a), the third guide image G4 includes display elements G41 and G42. The display element G41 displays "RIGHT TURN ATTENTION TO ONCOMING TRAFFIC", which is a message calling attention when turning right. For example, for foreigners who are unfamiliar with Japanese traffic rules, it is easy to take the wrong lane when turning right, so a message is displayed to urge caution when turning right. Furthermore, below the display element G41, the distance from the vehicle position to the intersection (here, 67 m) is shown. During the whole or part of the display period of step S34, the control section 11 may output a sound "shang" from the speaker 13 to give notification. The control unit 11 may change the characters of the display element G41 according to the set language.

After the process of step S36, the control unit 11 determines whether or not the vehicle has passed through an intersection with a traffic light (step S37). If "NO" is determined in step S37, the control section 11 returns to the process of step S35. When determining "YES" in step S35, the control unit 11 displays the third guide image G41a on the map M (step S38). As shown in FIG. 13(b), the third guide image G41a does not include the display element G13. Thus, when the speed of the vehicle 40 is greater than the threshold or the distance to the intersection is less than the fourth threshold, the control unit 11 does not display the distance from the current position to the intersection. This is because the vehicle 40 is less likely to turn the road in such a case. After the process of step S38, the control unit 11 advances the process to step S37.

The third guide images G4 and G41a show information about vehicle operation, and are second information about intersections where traffic lights are installed. Drivers need to pay particular attention to driving when the vehicle turns in a given direction. In this way, the system 10 can display information about when the vehicle is actually about to turn at an intersection where the traffic light is actually installed.

In step S37, when the controller 11 determines that the intersection has been passed (step S37; YES), the controller 11 restores the scale of the map and stops displaying the third guide image (step S39). Furthermore, the control unit 11 restores the display of the enlarged signal image (step S40). The control unit 11 determines whether or not to end the intersection oncoming vehicle caution guidance function (step S41), and if it ends (step S41; YES), terminates the execution of the intersection oncoming vehicle caution guidance function.

<2-3. Second notification target object notification function>
The second notification target object notification function will be described with specific examples. FIG. 14 is a flow chart showing the operation of the system 10 regarding the second notification object notification function. FIG. 15 is a diagram showing a display example of a screen relating to the second notification target object notification function.

The control unit 11 determines whether or not the second notification object exists within a predetermined range from the current position (step S51). If it is determined "YES" in step S51, the control unit 11 determines whether or not there is a one-way road on the travel road (step S52). If "NO" is determined in step S52, the control unit 11 determines whether or not there is an intersection with a traffic light on the road (step S53). If "NO" is determined in step S53, the control section 11 reduces the map and displays the information of the second notification object (step S54). The predetermined range is determined by the points displayed on the display unit 12 when the map is displayed in reduced size. For example, the display when the second notification object does not exist is as shown in FIG. 15(a), and the display when the second notification object is present is as shown in FIG. 15(b). Map M has a scale of 600m to 2100m. Information of the second notification object is icons I61, I62, and I63. In addition, in the belt-like information display area T1 at the bottom of the display unit 12, "Interrogation area 1076m" is displayed. This is the third information regarding the second notification object. In this way, when the first object to be notified is not in the vicinity, the second object to be notified, which is different from the first object, can be notified in a wide distance range from the position of the vehicle. .

When the control unit 11 executes the process of step S54 or determines "NO" in step S51, it determines whether or not to terminate the second notification target object notification function (step S56). Step S56; NO), the process returns to step S51.

If "YES" is determined in step S52 or S53, the control section 11 displays the information of the second notification object (step S55). In step S55, the map is not reduced in size as in step S54, but the information of the second object to be notified is displayed on the map of the reduced scale specified by the one-way entry prohibition guidance function and the oncoming traffic caution guidance function at the intersection.

FIG. 16 is a diagram showing a display example of the screen of the system 10 in step S55. The control unit 11 displays the information of the second notification object together with the information of the first notification object. FIG. 16 shows an example in which the second object to be notified exists within a predetermined range when the vehicle 40 approaches the exit of a one-way road. Here, in addition to the vehicle position icon I1, the one-way image I2, and the entry prohibition image I3, the control unit 11 displays an information display area T2 of "control area 192m" and an information display area indicating the type of object to be warned. Display T3. The control unit 11 shifts the position of the first guide image G1 below the information display area T3 so as not to overlap the information display area T3. At this time, the control unit 11 may determine the presence/absence of only the notification object existing in front of the vehicle position.

When it is determined as "YES" in step S56, the control section 11 terminates the execution of the second notification target object notification function.

According to the embodiments described above, it is possible to provide a technique for displaying information for assisting driving a vehicle in a manner that is easy for the user to understand. The system 10 displays at least first information related to a first notification object existing at a predetermined point on the map in association with the point, and when the distance between the vehicle and the point becomes equal to or less than a threshold, Control is performed to further display second information related to the first notification object. Thus, the fact that the content and display timing of the first information and the second information are different also helps the user to easily understand the information related to driving assistance.

In addition, the system 10 targets the first notification object on or along the road on which the vehicle travels. In this way, the system 10 can make it easier for the user to visually grasp the information about the first notification object to which the vehicle is likely to actually approach.

The present invention is not limited to the above embodiments, and can be modified as appropriate without departing from the scope of the invention.

The intersection oncoming vehicle warning function is a function that, when there is an intersection in front of the vehicle and the vehicle is about to turn at the intersection, informs the user of its existence. Whether the vehicle is about to turn at an intersection may be determined, for example, by indicating that the route specified in the route guidance turns at the nearest intersection. In the intersection oncoming vehicle warning function, the control unit 11 may issue a notification when there is a road that curves to the right, and may not issue a notification if it does not exist.

The control unit 11 may control whether or not to notify the oncoming vehicle at the intersection according to the set language. The control unit 11 notifies when the language setting is language A (e.g., English) used in countries with right-hand traffic, and notifies when the language setting is language B (e.g., Japanese) used in countries with left-hand traffic. You can choose not to Only when the country is estimated to be a country of right-hand traffic from the language setting, it is recommended to be notified. In this way, notification of complicated information for the user can be suppressed. Further, since lane errors are likely to occur when turning right to change lanes, the control unit 11 may notify when turning right, but may not notify when turning left.

The system 10 may stop some or all of the driving safety support functions according to user settings. Further, the system 10 may not display the screen of the safe driving support function when the information related to the route guidance function is displayed on the screen SC2. In addition, the screen display and sound of the safe driving support function can be turned on and off by setting.

Some of the configurations and operations described in each of the above embodiments may be omitted or changed. For example, two screens may not be used for display, and part of the one-way entry prohibition guidance function, the oncoming traffic warning function at the intersection, and the second notification object notification function among the driving support functions may be omitted. The first notification object may be related to traffic rules at a point on the map, or may be other than this. The traffic rules are not limited to one-way road exit prohibitions, but may be speed limits, stoppages, no overtaking or other traffic rules. Further, the guidance image may include a more detailed explanation of the operation method as information regarding the operation of the vehicle at the point on the map.

In the language setting function, the language used for reporting information may be set according to the region set by the user (for example, country or region within the country). The region set by the user is, for example, the country of origin or the country of residence (or region of residence), where the language typically used is understood. The control unit 11 may set the language used for information notification according to predetermined conditions and based on the region set by the user. In this way, the system 10 can notify information about the first notification object using a language that the user can understand when the vehicle approaches the first notification object.

The scope of the invention is not to be construed as explicitly set forth or limited herein, but rather includes within its scope any combination of the various aspects of the invention disclosed herein. While the claimed features of the invention are identified in the appended claims, any configuration not presently specified in the claims is disclosed herein. We intend to claim such configurations in the future.

The present invention is not limited to the configurations described in the above embodiments. The constituent elements of the above-described embodiments and modifications may be arbitrarily selected and combined. In addition, arbitrary constituent elements of each embodiment and modifications, arbitrary constituent elements described in Means for Solving the Invention, or constituent elements embodying arbitrary constituent elements described in Means for Solving the Invention and may be configured in any combination. We intend to acquire the rights for these as well in the amendment of the present application or in a divisional application. Even if there is a description of "in case of" or "when", it is not described as a configuration limited to that case or that time. We disclose and intend to reserve these occasions and occasions. Moreover, the parts described with order are not limited to this order. It also discloses a configuration in which some parts are deleted or the order is changed, and there is an intention to acquire the right.

In addition, the applicant intends to acquire rights to the entire design or partial design by converting the design application. Although the entire device is drawn in solid lines in the drawing, the drawing includes not only the overall design but also the partial design claimed for a part of the device. For example, it is a drawing that includes a part of the device as a partial design regardless of the member, as well as a partial design of a part of the member of the device. The part of the device may be a part of the device or a part of the member. We intend to obtain rights not only for the overall design, but also for the partial design in which any part of the solid line part of the drawing is a broken line part.

10: System 11: Control Unit 12: Display Unit 13: Speaker 14: Microwave Receiving Unit 15: GPS Receiving Unit 16: Communication Unit 17: Storage Unit 18: Operation Unit 19: Sensor Unit 20: Mounting Unit 21: Power Supply Unit 22 : Light-emitting part 23: Cable terminal part 40: Vehicle

Claims (10)

A system for announcing information by displaying a map within a predetermined range from the position of a vehicle,
displaying first information related to a first notification object existing at a predetermined point on the map in association with the point, and displaying the first notification object when the distance between the vehicle and the point becomes equal to or less than a threshold; a display control unit that performs control to further display second information about the object ;
The first object to be notified indicates an exit of a one-way road closest to the vehicle among exits of one-way roads existing on a road on which the vehicle travels,
The system, wherein the second information indicates at least one of a shape of a road connected by an exit of the nearest one-way road and a distance to the exit. 2. When a road connecting to the exit satisfies a predetermined condition, the display control unit performs control to display the second information indicating a warning regarding the operation of the vehicle instead of the shape of the road. The system described in . 3. A system according to claim 1 or 2 , wherein said first information indicates information regarding traffic rules at said point. A system for announcing information by displaying a map within a predetermined range from the position of a vehicle,
displaying first information related to a first notification object existing at a predetermined point on the map in association with the point, and displaying the first notification object when the distance between the vehicle and the point becomes equal to or less than a threshold; a display control unit that performs control to further display second information about the object ;
The first object to be notified is an intersection where a traffic signal is installed closest to the vehicle, among intersections where the traffic signal is installed on the road on which the vehicle travels ,
A system in which the first information indicates an enlarged image of a traffic light on the map. 5. The system according to claim 4 , wherein the display control unit changes the threshold according to a travel speed specified for a road on which the vehicle travels. The system according to claim 4 or 5, wherein the display control unit performs control to display the second information when the vehicle turns in a predetermined direction. A system for announcing information by displaying a map within a predetermined range from the position of a vehicle,
displaying first information related to a first notification object existing at a predetermined point on the map in association with the point, and displaying the first notification object when the distance between the vehicle and the point becomes equal to or less than a threshold; a display control unit that performs control to further display second information about the object ;
A system in which the display control unit performs control to display the second information when the speed of the vehicle is less than a predetermined speed. 8. The system of claim 7 , wherein the first information indicates information regarding traffic rules at the point. The system according to claim 7 or 8 , wherein said second information indicates information regarding operation of said vehicle at said point. A program for causing a computer to implement the functions of the system according to any one of claims 1 to 9 .

Images