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WO1999012139A1 - Road vehicle navigation device - Google Patents

Road vehicle navigation device Download PDF

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Publication number
WO1999012139A1
WO1999012139A1 PCT/EP1998/005551 EP9805551W WO9912139A1 WO 1999012139 A1 WO1999012139 A1 WO 1999012139A1 EP 9805551 W EP9805551 W EP 9805551W WO 9912139 A1 WO9912139 A1 WO 9912139A1
Authority
WO
WIPO (PCT)
Prior art keywords
road
display device
vehicle
navigation
network
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP1998/005551
Other languages
German (de)
French (fr)
Inventor
Lutz Rothhardt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Priority to JP2000509067A priority Critical patent/JP2001515212A/en
Priority to EP98952585A priority patent/EP0995181A1/en
Publication of WO1999012139A1 publication Critical patent/WO1999012139A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/36—Input/output arrangements for on-board computers
    • G01C21/3667—Display of a road map
    • G01C21/367—Details, e.g. road map scale, orientation, zooming, illumination, level of detail, scrolling of road map or positioning of current position marker

Definitions

  • the invention relates to a navigation display device for a navigation system of a road vehicle, which is designed as an electro-optical display device and can be controlled from a navigation computer of the navigation system.
  • GPS systems Global Positioning System
  • a scaled-down map of the area that the road vehicle is currently traveling through In addition to highways and main roads, secondary roads, forest areas, bodies of water, buildings, etc. are also displayed. The moving road vehicle itself is shown driving in this scaled-down map.
  • the invention provides a navigation display device which allows a driver of a road motor vehicle to quickly grasp the situation on the road network which he is currently driving and to receive detailed information about the next important waypoint of the road network.
  • Solved navigation display device for a navigation system of a road motor vehicle which is designed as an electro-optical display device and by one
  • Navigation computer of the navigation system can be controlled and with which, as soon as the road motor vehicle is within a predetermined road network, in a first Window on the electro-optical display device a predetermined area of the predetermined road network containing the current location of the road motor vehicle, for example a motorway network, an expressway network or a main road network, in a stylized form, with the hiding of other roads that do not belong to the predetermined road network and other details such as Forest areas, bodies of water, buildings, etc. can be displayed as an overview map with the road vehicle traveling in them, and in a second window on the electro-optical display device the next important waypoint, such as an exit or a junction, of the predetermined road network that is approached by the road vehicle , containing section of the road network can be displayed.
  • the predetermined road network can be indicated by straight lines.
  • the straight lines can have different angles to one another, but it is preferred that the lines have only predetermined angles relative to one another, which in particular each are an integer multiple of 45 °.
  • next important waypoint can only be displayed when the vehicle is within a predetermined distance from the next important waypoint.
  • the electro-optical display device is preferably designed as a liquid crystal display device or as a display device with a cathode ray tube.
  • Figure 1 shows a typical display on the navigation display device according to the first embodiment the invention.
  • the display in the navigation display device is divided into two windows A and B.
  • the motorway network that is currently being driven by the road vehicle can be displayed in a stylized form by straight lines which have angles to one another, each of which is an integral multiple of 45 °.
  • the current location of the vehicle can be displayed as a circle C with an arrow contained therein, which indicates the direction of travel of the road motor vehicle.
  • a smaller window B can be displayed, in which a section of the motorway network with the next important waypoint, in this case an exit of the motorway, can be displayed.
  • This section is enlarged compared to the stylized map.
  • the road motor vehicle can be represented as a small triangle D driving on the road.
  • the right window B can only be displayed when the vehicle of the coming exit is at a predetermined distance, e.g. 1000 m, has approached.
  • the stylized map in the left window A is constantly tracked in the direction of travel of the road motor vehicle, so that the symbol C for the moving road motor vehicle never moves out of the window A.

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Navigation (AREA)
  • Traffic Control Systems (AREA)
  • Instructional Devices (AREA)

Abstract

The invention relates to a navigation device for the navigation system of a road vehicle. The inventive device is configured as an electrooptic display device and can be controlled by a navigation computer pertaining to said navigation system. As soon as the road vehicle enters a specific road network, a given area of said road network is indicated in a first window of the electrooptic display device in a stylized form serving as a map which includes the point where the vehicle is currently located, and other roads and details which do not belong to said network are blanked out. The next important itinerary point that the vehicle will travel to in said network can be shown in a second window of the electrooptic display device.

Description

Navigationsanzeigevorrichtung für ein StraßenkraftfahrzeugNavigation display device for a road vehicle

Die Erfindung betrifft eine Navigationsanzeigevorrichtung für ein Navigationssystem eines Straßenkraftfahrzeugs, die als elektrooptische Anzeigevorrichtung ausgebildet ist und von einem Navigationsrechner des Navigationssystems aus ansteuerbar ist .The invention relates to a navigation display device for a navigation system of a road vehicle, which is designed as an electro-optical display device and can be controlled from a navigation computer of the navigation system.

Bei herkömmlichen Navigationsanzeigevorrichtungen von z.B. GPS (Global Positioning System) verwendenden NavigationsSystemen für Straßenkraftfahrzeuge wird auf einer elektrooptischen Anzeigevorrichtung eine maßstabsgetreu verkleinerte Karte des Gebietes dargestellt, das von dem Straßenkraftfahrzeug momentan durchfahren wird. Dabei werden neben Autobahnen und Hauptstraßen auch Nebenstraßen, Waldgebiete, Gewässer, Gebäude usw. angezeigt. Das fahrende Straßenkraftfahrzeug selbst wird in dieser maßstabsgetreu verkleinerten Karte fahrend angezeigt.In conventional navigation display devices e.g. GPS systems (Global Positioning System) using navigation systems for road vehicles show on a electro-optical display device a scaled-down map of the area that the road vehicle is currently traveling through. In addition to highways and main roads, secondary roads, forest areas, bodies of water, buildings, etc. are also displayed. The moving road vehicle itself is shown driving in this scaled-down map.

Ein Problem bei den herkömmlichen Anzeigevorrichtungen besteht darin, daß die dargestellten Detailinformationen, d.h. dieA problem with the conventional display devices is that the detailed information shown, i.e. the

Anzeige von Straßennetzen, die zur Zeit nicht befahren werden, sowie von Waldgebieten, Gebäuden usw., oft verwirrender sind, als daß sie zur besseren Orientierung beitragen.Display of road networks that are currently not used, as well as forest areas, buildings, etc., are often more confusing than that they help improve orientation.

Durch die Erfindung wird eine Navigationsanzeigevorrichtung bereitgestellt, die es einem Fahrer eines Straßenkraftfahrzeugs erlaubt, die Situation auf dem von ihm momentan befahrenen Straßennetz schnell zu erfassen und über die nächste wichtige Wegstelle des Straßennetzes detaillierte Informationen zu erhalten.The invention provides a navigation display device which allows a driver of a road motor vehicle to quickly grasp the situation on the road network which he is currently driving and to receive detailed information about the next important waypoint of the road network.

Erfindungsgemäß wird dies durch eineAccording to the invention, this is achieved by a

Navigationsanzeigevorrichtung für ein Navigationssystem eines Straßenkraftfahrzeugs gelöst, die als elektrooptische Anzeigevorrichtung ausgebildet ist und von einemSolved navigation display device for a navigation system of a road motor vehicle, which is designed as an electro-optical display device and by one

Navigationsrechner des Navigationssystems aus ansteuerbar ist und mit der, sobald sich das Straßenkraftfahrzeug innerhalb eines vorbestimmten Straßennetzes befindet, in einem ersten Fenster auf der elektrooptischen Anzeigevorrichtung ein vorbestimmter, den aktuellen Ort des Straßenkraftfahrzeugs enthaltender Bereich des vorbestimmten Straßennetzes, z.B. eines Autobahnnetzes, eines Schnellstraßennetzes oder eines Hauptstraßennetzes, in stilisierter Form unter Ausblendung anderer Straßen, die nicht zu dem vorbestimmten Straßennetz gehören, und anderer Details, wie Waldgebiete, Gewässer, Gebäude usw., als Übersichtskarte mit darin fahrendem Straßenfahrzeug anzeigbar ist, und in einem zweiten Fenster auf der elektrooptischen Anzeigevorrichtung ein die nächste wichtige Wegstelle, wie z.B. eine Ausfahrt oder eine Abzweigung, des vorbestimmten Straßennetzes, die von dem Straßenfahrzeug angefahren wird, enthaltender Ausschnitt des Straßennetzes anzeigbar ist.Navigation computer of the navigation system can be controlled and with which, as soon as the road motor vehicle is within a predetermined road network, in a first Window on the electro-optical display device a predetermined area of the predetermined road network containing the current location of the road motor vehicle, for example a motorway network, an expressway network or a main road network, in a stylized form, with the hiding of other roads that do not belong to the predetermined road network and other details such as Forest areas, bodies of water, buildings, etc. can be displayed as an overview map with the road vehicle traveling in them, and in a second window on the electro-optical display device the next important waypoint, such as an exit or a junction, of the predetermined road network that is approached by the road vehicle , containing section of the road network can be displayed.

Es wird bevorzugt, daß das vorbestimmte Straßennetz durch gerade Linien anzeigbar ist. Die geraden Linien können dabei zueinander verschiedene Winkel aufweisen, es wird jedoch bevorzugt, daß die Linien relativ zueinander nur vorbestimmte Winkel aufweisen, die insbesondere jeweils ein ganzzahliges Vielfaches von 45° betragen.It is preferred that the predetermined road network can be indicated by straight lines. The straight lines can have different angles to one another, but it is preferred that the lines have only predetermined angles relative to one another, which in particular each are an integer multiple of 45 °.

Es erleichtert die Orientierung für den Fahrer, und dessen Aufmerksamkeit wird weniger beansprucht, wenn die nächste wichtige Wegstelle nur dann anzeigbar ist, wenn sich das Fahrzeug innerhalb eines vorbestimmten Abstandes von der nächsten wichtigen Wegstelle befindet.It facilitates orientation for the driver and less attention is paid if the next important waypoint can only be displayed when the vehicle is within a predetermined distance from the next important waypoint.

Bevorzugt ist die elektrooptische Anzeigevorrichtung als Flüssigkristallanzeigevorrichtung oder als Anzeigevorrichtung mit einer Kathodenstrahlröhre ausgebildet .The electro-optical display device is preferably designed as a liquid crystal display device or as a display device with a cathode ray tube.

Im folgenden wird die Erfindung unter Bezugnahme auf eine bevorzugte Ausführungsform der Erfindung beschrieben, die aus Figur 1 ersichtlich ist.The invention is described below with reference to a preferred embodiment of the invention, which can be seen from FIG.

Figur 1 zeigt eine typische Anzeige auf der Navigationsanzeigevorrichtung gemäß der ersten Ausführungsform der Erfindung.Figure 1 shows a typical display on the navigation display device according to the first embodiment the invention.

Wie aus Figur 1 ersichtlich, ist die Anzeige bei der Navigationsanzeigevorrichtung gemäß der ersten bevorzugten Ausführungsform der Erfindung in zwei Fenster A und B aufgeteilt. Dabei ist in dem linken, größeren Fenster A der Anzeige das Autobahnnetz, das von dem Straßenfahrzeug zur Zeit befahren wird, in stilisierter Form durch gerade Linien anzeigbar, die zueinander Winkel aufweisen, die jeweils ein ganzzahliges Vielfaches von 45° betragen. Der momentane Ort des Fahrzeugs ist als Kreis C mit darin enthaltenem Pfeil anzeigbar, der die Fahrtrichtung des Straßenkraftfahrzeugs angibt .As can be seen from FIG. 1, the display in the navigation display device according to the first preferred embodiment of the invention is divided into two windows A and B. In the left, larger window A of the display, the motorway network that is currently being driven by the road vehicle can be displayed in a stylized form by straight lines which have angles to one another, each of which is an integral multiple of 45 °. The current location of the vehicle can be displayed as a circle C with an arrow contained therein, which indicates the direction of travel of the road motor vehicle.

Rechts neben diesem Fenster ist ein kleineres Fenster B anzeigbar, in dem ein Ausschnitt des Autobahnnetzes mit der nächstfolgenden wichtigen Wegstelle, in diesem Fall eine Ausfahrt der Autobahn, anzeigbar ist. Dieser Ausschnitt ist gegenüber der stilisierten Karte vergrößert. Ferner ist in diesem Ausschnitt das Straßenkraftfahrzeug auf der Straße fahrend als kleines Dreieck D darstellbar. Das rechte Fenster B ist erst dann anzeigbar, wenn sich das Fahrzeug der kommenden Ausfahrt auf einen vorbestimmten Abstand, z.B. 1000 m, genähert hat .To the right of this window, a smaller window B can be displayed, in which a section of the motorway network with the next important waypoint, in this case an exit of the motorway, can be displayed. This section is enlarged compared to the stylized map. Furthermore, in this detail the road motor vehicle can be represented as a small triangle D driving on the road. The right window B can only be displayed when the vehicle of the coming exit is at a predetermined distance, e.g. 1000 m, has approached.

Während der Fahrt wird die stilisierte Karte im linken Fenster A in Fahrtrichtung des Straßenkraftfahrzeugs ständig nachgeführt, so daß sich das Symbol C für das fahrende Straßenkraftfahrzeug nie aus dem Fenster A entfernt. During the journey, the stylized map in the left window A is constantly tracked in the direction of travel of the road motor vehicle, so that the symbol C for the moving road motor vehicle never moves out of the window A.

Claims

Ansprüche : Expectations : 1. Navigationsanzeigevorrichtung für ein Navigationssystem eines Straßenkraftfahrzeugs, die als elektrooptische Anzeigevorrichtung ausgebildet ist und von einem1. Navigation display device for a navigation system of a road vehicle, which is designed as an electro-optical display device and by one Navigationsrechner des Navigationssystems aus ansteuerbar ist und mit der, sobald sich das Straßenkraftfahrzeug innerhalb eines vorbestimmten Straßennetzes befindet, in einem ersten Fenster (A) auf der elektrooptischen Anzeigevorrichtung ein vorbestimmter, den aktuellen Ort des Straßenkraftfahrzeugs enthaltender Bereich des vorbestimmten Straßennetzes in stilisierter Form unter Ausblendung anderer Straßen und Details, die nicht zu dem vorbestimmten Straßennetz gehören, als Übersichtskarte mit darin fahrendem Straßenfahrzeug (C) anzeigbar ist, und in einem zweiten Fenster (B) auf der elektrooptischen Anzeigevorrichtung eine die nächste wichtige Wegstelle des vorbestimmten Straßennetzes, die von dem Straßenfahrzeug angefahren wird, enthaltender Ausschnitt des Straßennetzes anzeigbar ist.Navigation computer of the navigation system can be controlled and with which, as soon as the road vehicle is within a predetermined road network, in a first window (A) on the electro-optical display device, a predetermined area of the predetermined road network containing the current location of the road vehicle in a stylized form, with the other being hidden Roads and details that do not belong to the predetermined road network can be displayed as an overview map with the road vehicle (C) traveling therein, and in a second window (B) on the electro-optical display device the next important waypoint of the predetermined road network that is approached by the road vehicle is contained section of the road network can be displayed. 2. Navigationsanzeigevorrichtung nach Anspruch 1, bei der das vorbestimmte Straßennetz durch Linien anzeigbar ist, die relativ zueinander nur vorbestimmte Winkel aufweisen, die insbesondere jeweils ein ganzzahliges Vielfaches von 45° betragen.2. Navigation display device according to claim 1, wherein the predetermined road network can be displayed by lines which have only predetermined angles relative to each other, which in particular each amount to an integer multiple of 45 °. 3. Straßenkraftfahrzeug mit einer Navigationsanzeigevorrichtung nach einem der Ansprüche 1 oder 2. 3. Road motor vehicle with a navigation display device according to one of claims 1 or 2.
PCT/EP1998/005551 1997-09-04 1998-09-02 Road vehicle navigation device Ceased WO1999012139A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000509067A JP2001515212A (en) 1997-09-04 1998-09-02 Navigation display for road vehicles
EP98952585A EP0995181A1 (en) 1997-09-04 1998-09-02 Road vehicle navigation device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19738745.4 1997-09-04
DE1997138745 DE19738745A1 (en) 1997-09-04 1997-09-04 Navigation display device for a road vehicle

Publications (1)

Publication Number Publication Date
WO1999012139A1 true WO1999012139A1 (en) 1999-03-11

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PCT/EP1998/005551 Ceased WO1999012139A1 (en) 1997-09-04 1998-09-02 Road vehicle navigation device

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EP (1) EP0995181A1 (en)
JP (1) JP2001515212A (en)
DE (1) DE19738745A1 (en)
WO (1) WO1999012139A1 (en)

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JP4676684B2 (en) 2003-08-26 2011-04-27 クラリオン株式会社 In-vehicle information terminal

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JPH07270172A (en) * 1994-04-01 1995-10-20 Sumitomo Electric Ind Ltd Map display device in navigation device
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Also Published As

Publication number Publication date
JP2001515212A (en) 2001-09-18
EP0995181A1 (en) 2000-04-26
DE19738745A1 (en) 1999-03-11

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