EP0880120B1 - Verfahren zur Erfassung und Meldung von Verkehrslagedaten - Google Patents
Verfahren zur Erfassung und Meldung von Verkehrslagedaten Download PDFInfo
- Publication number
- EP0880120B1 EP0880120B1 EP98108043A EP98108043A EP0880120B1 EP 0880120 B1 EP0880120 B1 EP 0880120B1 EP 98108043 A EP98108043 A EP 98108043A EP 98108043 A EP98108043 A EP 98108043A EP 0880120 B1 EP0880120 B1 EP 0880120B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- travel time
- data
- traffic
- actual
- anticipated
- 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.)
- Expired - Lifetime
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0112—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from the vehicle, e.g. floating car data [FCD]
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
- G08G1/0141—Measuring and analyzing of parameters relative to traffic conditions for specific applications for traffic information dissemination
Definitions
- the invention relates to a method for detection and Reporting traffic situation data of a road network by means of sampling vehicles, according to the method in each sampling vehicle at predeterminable times an automatic position determination is carried out and dependent on associated traffic situation data be recorded and reported.
- traffic situation data e.g. for an automobile road network
- infrastructure For example are the traffic situation data of measuring instruments in the form of Induction loops detected along the considered road network and relayed via signal cables to a central office where they evaluated by means of special hardware and software and in particular investigated for occurred incidents of traffic become.
- infrastructure-based procedures are comparative consuming and also allow the detection of accidents only if their effects affect at least one Point of the road network show.
- sampling vehicles also referred to as "floating cars”
- sample vehicle By the name sample vehicle is intended be expressed that it is sufficient, a comparatively small proportion of all vehicles using the road network in this way for collecting the traffic situation data, i. from track-related, to assess the traffic situation in the Road network relevant data, as such sampling vehicles interpreted.
- the message of the traffic situation data is preferably via a radio communication link, e.g. a mobile network, to a stationary center and / or others Vehicles.
- a known difficulty of these methods is in that usually during each traffic situation reporting process transferred amount of data related to the capacity existing radio networks is relatively large, so that there are radio network overloads can come. In addition, the processing requires the large amounts of data corresponding computing effort.
- a method of the type mentioned, proposed which reduces the amount of data to be transferred shall be that those recorded by the relevant sampling vehicle, traffic-related vehicle and position data of one or multiple vehicle and position data classes that correspond to a particular correspond to typical vehicle behavior and the assigned class as the current vehicle behavior pattern with the position data for a respective reporting process is transmitted, especially to a traffic computer. So that should be achieved that in a respective reporting process not the transfer complete data records of the vehicle and position data but only the assigned vehicle behavior pattern in the form of an identifier, which refers to the current Class affiliation, along with the positional data of the sample vehicle.
- the vehicles are in exchange groups subdivided, where vehicles of a respective exchange group under itself vehicle data, i. Data about the environmental and / or operating condition of the vehicle, and position data, i.e. Data about the position of the respective vehicle too at any given time.
- a selected vehicle Each exchange group transmits the reconditioned vehicles and vehicles Position data of a replacement group to a central computer, wherein the position data regularly after covering a certain distance and / or after a predetermined Time span are transmitted.
- For the vehicle data can be provided be to specify tolerance values and this together with the To transmit positional data only if a part of them exceeds the specified tolerance values.
- WO 95/14292 discloses a comprehensive, centralized Method of data collection, processing and storage using a lot of sampling vehicles. there be in a sample vehicle on sections of a Road network related data stored together with the road network, and a traffic data reporting process is triggered if data currently collected in the sample vehicle is a Deviation by more than a respective, specifiable threshold is detected from the stored data.
- the invention is the provision as a technical problem a method of the type mentioned, with the Traffic situation data reliable and with comparatively To raise little effort and relatively easy different driving conditions of sampling vehicles Account can be taken.
- the invention solves this problem by providing a Method with the features of claim 1.
- this method becomes the considered road network in the sample vehicles together with journey time data for the sections of the road network expected travel time, e.g. as digital Data in an electronic memory.
- journey time data for the sections of the road network expected travel time, e.g. as digital Data in an electronic memory.
- the expected Position is starting from that from the previous one Position determination process known vehicle position thereby determines that the point of the subsequently traveled route network sub-section visited on the basis of the stored route network is, for the stored, the expected travel duration the time span until the current position determination process equivalent.
- a traffic data reporting process then becomes at most then triggered when the actual position and / or journey time by more than one, specifiable Threshold deviates from the expected position or travel time.
- the threshold value for the determined position or Driving time deviations not immutable, but as given a variable that is at least determined by the variance of Vehicle speed depends.
- this procedure avoids traffic data reporting procedures, as long as the sample vehicle with a through the tolerance specified in the threshold for the individual Sections of the route network stored travel duration data emotional.
- the stored correspond Partial journey duration data of a trouble-free traffic situation.
- the absence of traffic situation reporting by a respective sampling vehicle is thus for any headquarters and / or for the other vehicles driving the route network an indication of a trouble-free traffic situation. That for detection of traffic jams unnecessary transferring distance-related Data from a respective sample vehicle in traffic jam-free Situations is avoided by this method Overall, the amount of data to be transferred is considerable reduced, so that the data communication easily on one usual mobile communication path, e.g. a digital one Radiotelephone network, can be done.
- the device shown in Fig. 1 is in a respective Sample vehicle installed, with the distance-related data, i.e. Traffic situation data, without trackside infrastructure measures can be recorded and reported.
- the device has a conventional hardware structure, the vehicle-side On-board computer 1 comprises, to which a road network memory 2, a vehicle position measuring device in the form of a GPS receiver 3 or alternatively another position determining device and a radiotelephone 4 are connected.
- the on-board computer 1 is able in the usual way at desired times the vehicle position automatically determine.
- the on-board computer 1 determines the vehicle position within a road network accessible by the vehicle, e.g. one Motorway network, this navigable road network in digital Form retrievable stored in the road network memory 2.
- the Radiotelephone 4 serves as a vehicle-side communication terminal for communication of the on-board computer 1 with a not shown, stationary headquarters.
- the communication terminal 4 e.g. a D-network telephone or a so-called Modakom unit his.
- the road network memory includes 2 not only the data on the structure of the passable Road network including distance information between individual road signs, but also driving time data, with those of a respective section of the road network a for their driving normally, i. without traffic congestion, expected driving time is assigned.
- the expected driving time can be determined empirically and in advance both to the existing Sampling vehicles as well as a possible stationary Central and the rest, the road network driving vehicles to provide.
- the expected journey time does not need to be invariable for a particular leg, fixed size, but it is preferred as at least one of the time and / or the date assigned dependent variable. This can be taken into account that the expected for a particular leg route duration generally fluctuates both on a daily basis and depends on whether the trip is on a weekday or on a weekend and / or winter or summer road conditions it is to be reckoned with, which in each case appropriate effects on the average vehicle speed and thus the expected travel time has.
- FIG. 2 is a schematic flow diagram roughly illustrating the main flow of the method of detecting and reporting traffic situation data by a respective sampling vehicle that can be performed by the apparatus of FIG. 1.
- a time interval t p is specified, after the expiry of which a new position determination is to be carried out.
- the position determinations carried out at predeterminable times can also be made in each case when the vehicle has reached certain road network points, for example the end point of a respective road network sub-section, which is assigned a specific, expected driving time.
- a triggering of position determination operations may be provided by certain events, especially after a strong braking operation with subsequent actuation of the hazard warning lights as suspected jam end.
- information about the triggering event is then transmitted in addition to the determined position.
- an event counter having a count i which detects the number of position determinations made is initially set to zero.
- the on-board computer 1 determines, as a function f (x i-1 , t p ) of the last measured position x i-1 and the elapsed time t p, that distance w i , starting from the last measured vehicle position x i-1 from the vehicle is to be expected during the time elapsed in the meantime t p on the basis of the stored for the relevant part of the traveled route network, expected driving time in trouble-free traffic as covered by the vehicle distance. It is understood that both the actual distance s i and the expected distance w i are not to be understood as pure distance indications, but additionally contain the information about the associated route network sub-section, which was traveled by the vehicle since the previous position determination. By way of example, the measured distances s i and the determined, expected distance w i are to be regarded as different from one another, even though they have the same distances, but relate to path network sections extending in different directions.
- a threshold value is defined in the form of a percentage deviation amount ds i by which the actual distance s i may deviate from the determined, expected distance w i , without this leading to the triggering of a traffic situation data reporting process.
- this deviation amount ds i is not invariable, but redefined for each positioning operation as a variable amount that depends in a predetermined manner on vehicle condition and / or vehicle environment parameters.
- the allowable amount of deviation ds i is set as a function of the variance in the instantaneous speed of the sampled vehicle so that it can be set to a higher value than, for example, slower vehicle speed than less speed variations, unnecessarily frequent traffic-situation reporting with temporarily greater variations in vehicle speed to avoid.
- the on-board computer 1 determines whether the percentage deviation of the difference between the actually traveled distance s i and the expected distance w i determined for the traveled section has exceeded the predetermined deviation amount ds i . If this is not the case, a message of traffic situation data is omitted and the process returns before the inquiry step 12, after which a new position determination event is awaited. If, on the other hand, the permissible, predefined deviation amount ds i is exceeded, the on-board computer 1 evaluates this as a release of a traffic position data reporting process (step 16).
- the actual triggering of the relevant reporting process can be linked to other conditions, for example, whether the aboard computer 1 an abrupt braking operation or setting the hazard warning lights is observed, which may indicate an incipient traffic jam and therefore the automatic triggering of a traffic situation data reporting and / or whether a fuel cap or a door of the vehicle is opened, indicating a driver-initiated stop, which is not due to the traffic situation and therefore does not require the triggering of a traffic situation data reporting process.
- a traffic data reporting process is already triggered due to the exceeding of the specified deviation amount ds i or only on satisfaction of other conditions are required by the present event discrete method less data transfer operations on the mobile communication path 5, what their respective load and the associated cost significantly compared to the aforementioned conventional approaches significantly reduced.
- a cycle of the cycle is completed when the cycle end 17 is reached, and the process returns to the query step 12 for a new cycle, as long as no system shutdown has occurred.
- the method shown in Figure 2 in its rough sequence can also be further refined as needed.
- the reliability of the traffic situation message can be increased by an individually adjustable factor, which constantly compares the actual with the determined, expected driving time from the start of the journey, ie from the initialization time t 0 , taking into account systematic deviations.
- Such deviations may, for example, be such that for a sample vehicle occupied by a sporty driver, the actual driving time tends to be shorter than the expected driving time, whereas for a more cautious driver, the actual driving time tends to be longer than the expected driving time.
- the after triggering of a corresponding message process in the step 16 from the on-board computer 1 via the communication terminal 4 and the Mobile radio link 5 reported traffic situation data are sent to the stationary headquarters and / or directly as broadcast to all or to certain, e.g. those near the sending sample vehicle transmitted vehicles. Receiver side can. the reported traffic situation data then from the central office or the Notified vehicles evaluated in the desired manner become.
- the evaluation may e.g. as protection against unique, accidental Failure messages include the measure that one of a certain traffic situation reporting process reported traffic disruption is only considered as such if it is within one certain, specifiable observation period by a traffic data message same content is confirmed, the a later positioning of the same or another Sampling vehicle requires.
- the same messages from requires multiple sampling vehicles to avoid traffic jams by a single, inappropriately driven sample vehicle to avoid.
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Description
- Fig. 1
- ein schematisches Blockdiagramm einer in einem jeweiligen Stichprobenfahrzeug untergebrachten Vorrichtung zur Erfassung und Meldung von Verkehrslagedaten und
- Fig. 2
- ein Flußdiagramm des Grobverlaufs eines von der Vorrichtung gemäß Fig. 1 durchführbaren Verfahrens zur Erfassung und Meldung von Verkehrslagedaten.
Claims (4)
- Verfahren zur Erfassung und Meldung von Verkehrslagedaten eines Wegenetzes durch ein jeweiliges Stichprobenfahrzeug, bei demeines oder mehrere Positionsbestimmungs-Auslösekriterien vorgegeben werden und im jeweiligen Stichprobenfahrzeug jeweils bei Eintritt eines Auslösekriteriums eine selbsttätige Positionsermittlung durchgeführt wird und davon abhängig zugehörige Verkehrslagedaten erfaßt und gemeldet werden,im jeweiligen Stichprobenfahrzeug das Wegenetz zusammen mit Fahrtdauerdaten über die für Teilstrecken des Wegenetzes zu erwartende Fahrtdauer abgespeichert wird,nach einer jeweiligen selbsttätigen Ermittlung der tatsächlichen Position (xi) die seit der vorhergehenden Positionsermittlung befahrene Wegenetz-Teilstrecke und die zugehörige tatsächliche Fahrtdauer (tp) erfaßt werden, anhand der abgespeicherten Teilstrecken-Fahrtdauerdaten die für die tatsächliche Fahrtdauer zu erwartende Position (wi+xi-1) und/oder die für die tatsächliche Position zu erwartende Fahrtdauer bestimmt wird und die tatsächliche Position mit der zu erwartenden Position und/oder die tatsächliche Fahrtdauer mit der zu erwartenden Fahrtdauer verglichen und ein Verkehrslagedaten-Meldevorgang höchstens dann ausgelöst wird, wenn die tatsächliche Position und/oder Fahrtdauer um mehr als einen jeweiligen, vorgebbaren Schwellwert (dsi) von der erwarteten Position bzw. Fahrtdauer abweicht, undder Schwellwert (dsi) als eine wenigstens von der Varianz der momentanen Fahrzeuggeschwindigkeit abhängige Variable vorgegeben wird.
- Verfahren nach Anspruch 1, weiter
dadurch gekennzeichnet, daß
die für eine jeweilige Wegenetz-Teilstrecke abgespeicherte, zu erwartende Fahrtdauer als eine wenigstens uhrzeit- oder datumsabhängige Variable vorgegeben wird. - Verfahren nach Anspruch 1 oder 2, weiter
dadurch gekennzeichnet, daß
eine in einer jeweiligen Verkehrslagedaten-Meldung enthaltene Verkehrsstörungsinformation empfängerseitig nur dann als tatsächliche Verkehrsstörung gewertet wird, wenn innerhalb eines vorgebbaren Bestätigungszeitraums wenigstens eine weitere, diesbezüglich gleichlautende Verkehrslagedaten-Meldung, insbesondere eine von einem anderen Stichprobenfahrzeug gesendete, empfangen wird. - Verfahren nach einem der Ansprüche 1 bis 3, weiter
dadurch gekennzeichnet, daß
empfängerseitig dann, wenn über einen vorgebbaren Beobachtungszeitraum hinweg Verkehrslagedaten-Meldungen empfangen werden, die gleichlautend für eine jeweilige Teilstrecke eine bleibende Abweichung der tatsächlichen Fahrtdauer von der abgespeicherten, zu erwartenden Fahrtdauer signalisieren, die gemeldete tatsächliche Fahrtdauer als neue zu erwartende Fahrtdauer für die betreffende Teilstrecke abgespeichert wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19721750A DE19721750A1 (de) | 1997-05-24 | 1997-05-24 | Verfahren zur Erfassung und Meldung von Verkehrslagedaten |
DE19721750 | 1997-05-24 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0880120A2 EP0880120A2 (de) | 1998-11-25 |
EP0880120A3 EP0880120A3 (de) | 2000-09-20 |
EP0880120B1 true EP0880120B1 (de) | 2004-06-30 |
Family
ID=7830370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98108043A Expired - Lifetime EP0880120B1 (de) | 1997-05-24 | 1998-05-02 | Verfahren zur Erfassung und Meldung von Verkehrslagedaten |
Country Status (5)
Country | Link |
---|---|
US (1) | US6259377B1 (de) |
EP (1) | EP0880120B1 (de) |
JP (1) | JPH1166487A (de) |
DE (2) | DE19721750A1 (de) |
ES (1) | ES2221094T3 (de) |
Families Citing this family (31)
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US6680694B1 (en) | 1997-08-19 | 2004-01-20 | Siemens Vdo Automotive Corporation | Vehicle information system |
SE512895C2 (sv) * | 1998-08-07 | 2000-05-29 | Dinbis Ab | Metod och anordning för ruttstyrning av trafik |
DE19931152C2 (de) * | 1999-07-06 | 2001-05-31 | Volkswagen Ag | Verfahren und Vorrichtung zum Erfassen und Weiterleiten von Verkehrssituationen |
JP2001067594A (ja) * | 1999-08-31 | 2001-03-16 | Hitachi Ltd | 放送方法、及び、装置、ならびに、交通情報編集装置、及び、交通情報提示システム |
DE50003769D1 (de) * | 1999-12-23 | 2003-10-23 | Volkswagen Ag | Verfahren zur ermittlung von verkehrsinformationen sowie zentrale und endgerät |
US6744383B1 (en) | 2000-02-01 | 2004-06-01 | At&T Wireless Services, Inc. | Intelligent roadway system |
CA2413114A1 (en) * | 2000-06-30 | 2002-01-10 | Thomas D. Harrison | Method and apparatus for promoting safe and accountable driving |
DE10041099C2 (de) * | 2000-08-22 | 2002-10-24 | Bosch Gmbh Robert | Verfahren zur Übertragung von Datenpaketen zwischen Kraftfahrzeugen |
JP2002190091A (ja) | 2000-12-20 | 2002-07-05 | Pioneer Electronic Corp | 走行時間設定方法および装置並びにこれを利用した経路計算方法および装置 |
EP1402496B1 (de) * | 2001-02-09 | 2007-04-11 | MINTZ, Yosef | Verbessertes verfahren und system zum abbilden von verkehrsvoraussagen in bezug auf telematik- und routenleitanwendungen |
DE10133387B4 (de) | 2001-07-10 | 2019-01-03 | Robert Bosch Gmbh | Verfahren zur Erfassung von Verkehrsdaten für ein Fahrzeug, insbesondere ein Kraftfahrzeug, und Einrichtung |
DE10252768B4 (de) * | 2002-11-13 | 2008-02-28 | Daimler Ag | Verfahren zum Erstellen und Senden von verkehrsrelevanten Daten |
DE10261172B4 (de) * | 2002-12-20 | 2005-05-25 | Daimlerchrysler Ag | Verfahren und System zur zentralenbasierten, zeitlich vorausschauende Störungserkennung durch Störflanken-Detektion mittels abschnittsbezogener Reisezeitenschätzung |
KR20040064634A (ko) | 2003-01-10 | 2004-07-19 | 가부시끼가이샤 히다치 세이사꾸쇼 | 네비게이션 서버, 네비게이션의 표시방법 |
US6810321B1 (en) | 2003-03-17 | 2004-10-26 | Sprint Communications Company L.P. | Vehicle traffic monitoring using cellular telephone location and velocity data |
JP4396380B2 (ja) * | 2004-04-26 | 2010-01-13 | アイシン・エィ・ダブリュ株式会社 | 交通情報の送信装置及び送信方法 |
JP2006134158A (ja) * | 2004-11-08 | 2006-05-25 | Denso Corp | 区間旅行時間情報収集システム及び車載装置 |
JP2007114857A (ja) * | 2005-10-18 | 2007-05-10 | Honda Motor Co Ltd | 交通情報処理装置 |
US8306556B2 (en) * | 2006-02-08 | 2012-11-06 | Telenav, Inc. | Intelligent real-time distributed traffic sampling and navigation system |
JP4050309B2 (ja) * | 2006-05-16 | 2008-02-20 | 松下電器産業株式会社 | 交通情報提供装置、方法、及びプログラム |
US7813877B2 (en) | 2006-10-30 | 2010-10-12 | Toyota Motor Engineering & Manufacturing North America, Inc. | Relevancy check for vehicle safety messages using a path history |
WO2009030524A1 (de) | 2007-08-29 | 2009-03-12 | Continental Teves Ag & Co. Ohg | Personalisierte aktualisierung von digitalen navigationskarten |
WO2009106780A2 (fr) * | 2008-02-29 | 2009-09-03 | France Telecom | Detection et referencement d'elements de parcours |
US8718928B2 (en) * | 2008-04-23 | 2014-05-06 | Verizon Patent And Licensing Inc. | Traffic monitoring systems and methods |
US8799201B2 (en) | 2011-07-25 | 2014-08-05 | Toyota Motor Engineering & Manufacturing North America, Inc. | Method and system for tracking objects |
DE102012204306A1 (de) * | 2012-03-19 | 2013-09-19 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Steuerung eines Bereitstellens von Verkehrsinformationsdaten zur Aktualisierung einer Verkehrsinformation |
TWI471582B (zh) * | 2012-03-30 | 2015-02-01 | Nat Univ Tsing Hua | 路側資料交換網路與其方法 |
CN103035123B (zh) * | 2012-12-25 | 2016-01-20 | 中国科学院深圳先进技术研究院 | 一种交通轨迹数据中异常数据获取方法及系统 |
CN104332048B (zh) * | 2014-10-27 | 2016-04-06 | 东南大学 | 一种城市道路交通状态阈值确定方法 |
US10013820B2 (en) | 2015-12-15 | 2018-07-03 | Freeport-Mcmoran Inc. | Vehicle speed-based analytics |
CN113129584B (zh) * | 2020-01-15 | 2023-04-14 | 中移(苏州)软件技术有限公司 | 载客人数的确定方法、装置、设备及存储介质 |
Family Cites Families (10)
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DE3700552B4 (de) * | 1987-01-10 | 2005-06-02 | Robert Bosch Gmbh | Verfahren zur Ausgabe von Wegeinformationen für Fahrer von Landfahrzeugen und Informationsausgabesystem |
JP3193479B2 (ja) * | 1992-10-12 | 2001-07-30 | アルパイン株式会社 | 経路誘導方法 |
US5539645A (en) * | 1993-11-19 | 1996-07-23 | Philips Electronics North America Corporation | Traffic monitoring system with reduced communications requirements |
FR2718874B1 (fr) * | 1994-04-15 | 1996-05-15 | Thomson Csf | Procédé de surveillance de trafic pour la détection automatique d'incident de véhicules. |
DE19521919C2 (de) * | 1994-11-28 | 1997-08-07 | Mannesmann Ag | Verfahren und Vorrichtung zur Reduzierung einer aus Fahrzeugen einer Stichprobenfahrzeugflotte zu übertragenden Datenmenge |
DE19517309C2 (de) * | 1994-11-28 | 1997-04-03 | Mannesmann Ag | Verfahren zur Reduzierung eines aus den Fahrzeugen einer Stichprobenfahrzeugflotte zu übertragenden Datenmenge |
JP3527791B2 (ja) * | 1995-04-28 | 2004-05-17 | トヨタ自動車株式会社 | 不調アンテナ検出方法及び装置 |
DE19526148C2 (de) * | 1995-07-07 | 1997-06-05 | Mannesmann Ag | Verfahren und System zur Prognose von Verkehrsströmen |
US5933100A (en) * | 1995-12-27 | 1999-08-03 | Mitsubishi Electric Information Technology Center America, Inc. | Automobile navigation system with dynamic traffic data |
DE19643454C2 (de) * | 1996-10-10 | 2003-08-21 | Mannesmann Ag | Verfahren und Vorrichtung zur Übermittlung von Daten zur Verkehrslagebeurteilung |
-
1997
- 1997-05-24 DE DE19721750A patent/DE19721750A1/de not_active Ceased
-
1998
- 1998-05-02 EP EP98108043A patent/EP0880120B1/de not_active Expired - Lifetime
- 1998-05-02 DE DE59811617T patent/DE59811617D1/de not_active Expired - Lifetime
- 1998-05-02 ES ES98108043T patent/ES2221094T3/es not_active Expired - Lifetime
- 1998-05-22 JP JP10177942A patent/JPH1166487A/ja active Pending
- 1998-05-26 US US09/083,881 patent/US6259377B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2221094T3 (es) | 2004-12-16 |
US6259377B1 (en) | 2001-07-10 |
EP0880120A2 (de) | 1998-11-25 |
DE59811617D1 (de) | 2004-08-05 |
DE19721750A1 (de) | 1998-11-26 |
EP0880120A3 (de) | 2000-09-20 |
JPH1166487A (ja) | 1999-03-09 |
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