EP0367935A2 - Ortungs- und Navigationssystem für mobile Funkstationen - Google Patents
Ortungs- und Navigationssystem für mobile Funkstationen Download PDFInfo
- Publication number
- EP0367935A2 EP0367935A2 EP19890116287 EP89116287A EP0367935A2 EP 0367935 A2 EP0367935 A2 EP 0367935A2 EP 19890116287 EP19890116287 EP 19890116287 EP 89116287 A EP89116287 A EP 89116287A EP 0367935 A2 EP0367935 A2 EP 0367935A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- radio stations
- mobile radio
- location
- information
- map
- 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.)
- Granted
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
- G08G1/133—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams within the vehicle ; Indicators inside the vehicles or at stops
- G08G1/137—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams within the vehicle ; Indicators inside the vehicles or at stops the indicator being in the form of a map
Definitions
- the invention relates to a location and navigation system according to the preamble of claim 1.
- a location and navigation system is known (Elektronik, 1987, number 20, page 30) that works with map support.
- the system has the disadvantage that the vehicle driver has to look for the map section corresponding to the respective location of the motor vehicle from a large number of map sections. Errors cannot be excluded. In addition, the selection of the map section is a burden for the driver.
- a method according to the preamble of claim 1 has also been proposed (P 37 16 320.5), in which the effort for determining the location of a mobile radio station in a cellular radio telephone network is reduced by the fact that the fixed radio stations have their individual base station numbers and, if appropriate, also Send field strength information to the mobile radio stations. In each mobile radio station, location information containing the approximate location of the mobile radio station can then be derived from this information.
- the invention has for its object to develop a location and navigation system according to the preamble of claim 1 such that the users of mobile radio stations are relieved of the input activity when looking for the relevant map section without requiring a higher technical effort.
- the object is achieved in a system according to the preamble of claim 1 by the characterizing features of this claim.
- the advantages that can be achieved with the invention are, in particular, that the user of a mobile radio station no longer has to search for the relevant map section himself, but that this map section is automatically searched out with little technical effort.
- the figure shows a block diagram of a cellular radio telephone network divided into radio cells Z1, Z2, Z3,...
- Each radio cell contains a fixed radio station F1, F2, ..., and mobile radio stations M1, M2, ... move within the radio cells.
- the fixed radio stations F1, F2 each have a transmitting part 10, 11, a receiving part 12, 13 and a transmitting / receiving antenna 14, 15.
- the fixed radio stations can optionally also be relay stations.
- Each mobile radio station M1, M2, ... has a transmitting part 16, 17 belonging to a radio telephone and a receiving part 18, 19.
- An information memory 20, 21 is connected to the receiving part and an optical or electronic card memory 22, 23 is connected to it, to which a display 24, 25 for displaying a map section is connected.
- Each mobile radio station M1, M2, ... has a transceiver antenna 26, 27.
- the information memories 20, 21 of the mobile radio stations are preferably part of a microprocessor or microcomputer of the radio telephone.
- Information is exchanged between the fixed radio stations F1, F2, ... and the mobile radio stations M1, M2, ..., such as the individual base station numbers of the fixed radio stations F1, F2, ..., as well as field strength and / or runtime information (depending on the radio network).
- This information is stored in the information stores 20, 21 of the mobile radio stations.
- the mobile radio stations M1, M2,... Determine location information from the stored information, which corresponds to the approximate location of the respective mobile radio station.
- the map sections of the area traveled by the mobile radio station for example a country, are stored individually and can be called up.
- the information store 20, 21 is now such that a table is stored in it, which establishes the correlation between whereabouts and associated map sections.
- the location information characterizing the approximate location is read out of the information memory 20, the associated map section is automatically selected based on the stored table and the relevant map section is displayed on the display 24.
- a new map section is preferably selected when the mobile radio station receives the base station number of another fixed radio station, for example F2. Any new information, different from the stored information, which the receiving part of the mobile radio station M1 receives, overwrites the previously stored information in the information memory 20.
Abstract
Description
- Die Erfindung betrifft ein Ortungs- und Navigationssystem nach dem Oberbegriff des Anspruchs 1.
- Es ist ein Ortungs- und Navigationssystem bekannt (Elektronik, 1987, Heft 20, Seite 30), das mit Kartenunterstützung arbeitet. Das System hat den Nachteil, daß der Fahrzeugführer aus einer Vielzahl von Kartenausschnitten den dem jeweiligen Aufenthaltsort des Kraftfahrzeuges entsprechenden Kartenausschnitt heraussuchen muß. Dabei können Fehler nicht ausgeschlossen werden. Außerdem stellt das Aussuchen des Kartenausschnitts eine Belastung für den Fahrzeugführer dar.
- Es ist weiterhin ein Verfahren nach dem Oberbegriff des Anspruchs 1 vorgeschlagen worden (P 37 16 320.5), bei dem der Aufwand für das Bestimmen des Aufenthaltsortes einer mobilen Funkstation in einem zellularen Funktelefonnetz dadurch verringert wird, daß die ortsfesten Funkstationen ihre individuellen Feststationsnummern und gegebenenfalls auch Feldstärkeinformationen an die mobilen Funkstationen aussenden. In jeder mobilen Funkstation kann dann aus diesen Informationen eine den ungefähren Aufenthaltsort der mobilen Funkstation enthaltende Standortinformation abgeleitet werden.
- Der Erfindung liegt die Aufgabe zugrunde, ein Ortungs- und Navigationssystem gemäß dem Oberbegriff des Anspruchs 1 derart weiterzubilden, daß die Benutzer von mobilen Funkstationen von der Eingabetätigkeit beim Heraussuchen des jeweils relevanten Kartenausschnitts entlastet werden, ohne daß es dazu eines höheren technischen Aufwandes bedarf.
- Die Aufgabe wird bei einem System gemäß dem Oberbegriff des Anspruchs 1 durch die kennzeichnenden Merkmale dieses Anspruchs gelöst. Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, daß der Benutzer einer mobilen Funkstation nicht mehr den relevanten Kartenausschnitt selbst heraussuchen muß, sondern daß dieser Kartenausschnitt mit geringem technischem Aufwand automatisch herausgesucht wird.
- Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung anhand einer einzigen Figur dargestellt und wird im folgenden näher beschrieben.
- Die Figur zeigt ein Blockschaltbild eines in Funkzellen Z1, Z2, Z3, ... aufgeteilten zellularen Funktelefonnetzes. Jede Funkzelle enthält eine ortsfeste Funkstation F1, F2, ..., und mobile Funkstationen M1, M2, ... bewegen sich innerhalb der Funkzellen.
- Die ortsfesten Funkstationen F1, F2 weisen je ein Sendeteil 10, 11, ein Empfangsteil 12, 13 und eine Sende-Empfangsantenne 14, 15 auf. Die ortsfesten Funkstationen können gegebenenfalls auch Relaisstationen sein.
- Jede mobile Funkstation M1, M2, ... weist ein zu einem Funktelefon gehörendes Sendeteil 16, 17 und ein Empfangsteil 18, 19 auf. Mit dem Empfangsteil ist ein Informationsspeicher 20, 21 und mit diesem ein optischer oder elektronischer Kartenspeicher 22, 23 verbunden, an den sich ein Display 24, 25 zum Anzeigen eines Kartenausschnitts anschließt. Jede mobile Funkstation Ml, M2, ... hat eine Sende-Empfangsantenne 26, 27. Die Informationsspeicher 20, 21 der mobilen Funkstationen sind vorzugsweise Bestandteil eines Mikroprozessors oder Mikrocomputers des Funktelefons.
- Die Wirkungsweise des vorstehend erläuterten Funktelefonnetzes ist folgende.
- Zwischen den ortsfesten Funkstationen F1, F2, ... und den mobilen Funkstationen M1, M2, ... werden Informationen ausgetauscht, wie zum Beispiel die individuellen Feststationsnummern der ortsfesten Funkstationen F1, F2, ..., sowie Feldstärke- und/oder Laufzeitinformationen (je nach Funknetz). Diese Informationen werden in den Informationspeichern 20, 21 der mobilen Funkstationen gespeichert. Aus den gespeicherten Informationen ermitteln die mobilen Funkstationen M1, M2, ... eine Standortinformation, die dem ungefähren Aufenthaltsort der jeweiligen mobilen Funkstation entspricht. In dem optischen oder elektronischen Kartenspeicher 22, 23 der mobilen Funkstationen sind die Kartenausschnitte des von der mobilen Funkstation befahrenen Gebietes, zum Beispiel eines Landes, einzeln abrufbar gespeichert. Der Informationsspeicher 20, 21 ist nun so beschaffen, daß in ihm eine Tabelle abgelegt ist, die die Korrelation zwischen Aufenthaltsorten und zugehörigen Kartenausschnitten herstellt. Vorzugsweise beim Einschalten einer mobilen Funkstation, zum Beispiel M1, erfolgt das Auslesen der den ungefähren Aufenthaltsort kennzeichnenden Standortinformation aus dem Informationsspeicher 20, das automatische Heraussuchen des zugehörigen Kartenausschnitts anhand der gespeicherten Tabelle und das Anzeigen des betreffenden Kartenausschnitts auf dem Display 24.
- Anschließend kann während der Fahrt die Korrelation dauernd oder in festen Abständen überprüft werden. Ein neuer Kartenausschnitt wird vorzugsweise dann herausgesucht, wenn die mobile Funkstation die Feststationsnummer einer anderen ortsfesten Funkstation, zum Beispiel F2, empfängt. Jede neue, sich von der gespeicherten Information unterscheidende Information, die das Empfangsteil der mobilen Funkstation Ml empfängt, überschreibt in dem Informationsspeicher 20 die vorher gespeicherte Information.
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3837633 | 1988-11-05 | ||
DE3837633A DE3837633A1 (de) | 1988-11-05 | 1988-11-05 | Ortungs- und navigationssystem fuer mobile funkstationen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0367935A2 true EP0367935A2 (de) | 1990-05-16 |
EP0367935A3 EP0367935A3 (de) | 1991-11-27 |
EP0367935B1 EP0367935B1 (de) | 1996-01-17 |
Family
ID=6366586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89116287A Expired - Lifetime EP0367935B1 (de) | 1988-11-05 | 1989-09-04 | Ortungs- und Navigationssystem für mobile Funkstationen |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0367935B1 (de) |
AT (1) | ATE133310T1 (de) |
DE (2) | DE3837633A1 (de) |
ES (1) | ES2081821T3 (de) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0335558A2 (de) * | 1988-03-26 | 1989-10-04 | The Marconi Company Limited | Radio-Übertragungssystem |
EP0459236A1 (de) * | 1990-05-29 | 1991-12-04 | Rohde & Schwarz GmbH & Co. KG | Verfahren zum Aufbau von LOS-Funkverbindungen von mobilen Sende/Empfangs- stationen zu anderen mobilen oder stationären Gegenstationen |
EP0501058A2 (de) * | 1991-01-17 | 1992-09-02 | Highwaymaster Communications, Inc. | Verfahren und Vorrichtung zum Kommunizieren und Orten von einem Fahrzeug |
EP0541314A2 (de) * | 1991-11-04 | 1993-05-12 | SECURITY SERVICES plc | Funkübertragungsanordnung mit Datenbank für die Karte des bedekten Gebietes |
WO1993018495A1 (de) * | 1992-03-13 | 1993-09-16 | Robert Bosch Gmbh | Verkehrsrundfunkempfänger |
EP0570223A1 (de) * | 1992-05-15 | 1993-11-18 | Securicor Datatrak Limited | Fahrzeugführungsvorrichtung |
US5454027A (en) * | 1992-01-27 | 1995-09-26 | Hm Holding Corporation | Phantom mobile identification number method and apparatus |
WO1996019786A1 (en) * | 1994-12-19 | 1996-06-27 | Qualcomm Incorporated | Method and apparatus for displaying messages in vehicular communications systems |
US5539810A (en) * | 1992-01-27 | 1996-07-23 | Highwaymaster Communications, Inc. | Data messaging in a communications network |
GB2298766A (en) * | 1995-03-10 | 1996-09-11 | Nec Corp | A mobile communication system in which the mobile may obtain position information from a fixed site which it then stores |
DE19524927A1 (de) * | 1995-07-08 | 1997-01-09 | Sel Alcatel Ag | Zielführung eines Teilnehmers innerhalb eines SDMA-Mobilfunknetzes |
US5724243A (en) * | 1995-02-10 | 1998-03-03 | Highwaymaster Communications, Inc. | Method and apparatus for determining expected time of arrival |
US5913170A (en) * | 1994-11-16 | 1999-06-15 | Highwaymaster Communications, Inc. | Locating system and method using a mobile communications network |
US5983108A (en) * | 1992-01-27 | 1999-11-09 | Highwaymaster Communications, Inc. | Method and apparatus for a nation-wide cellular telephone network |
US9633486B2 (en) | 2005-08-15 | 2017-04-25 | Innovative Global Systems, Llc | Method for data communication between vehicle and fuel pump |
US10127556B2 (en) | 2005-08-15 | 2018-11-13 | Innovative Global Systems, Llc | Method for logging and reporting driver activity and operation of a vehicle |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5734981A (en) | 1991-01-17 | 1998-03-31 | Highwaymaster Communications, Inc. | Method and apparatus for call delivery to a mobile unit |
DE4137000C2 (de) * | 1991-11-11 | 1994-06-09 | Opel Adam Ag | Verfahren zur feldstärkeabhängigen Auswertung von Rundfunkinformationen für Fahrzeuge |
US6295449B1 (en) | 1992-01-27 | 2001-09-25 | @Track Communications, Inc. | Data messaging in a communications network using a feature request |
DE4240578A1 (de) * | 1992-12-04 | 1994-06-23 | Detecon Gmbh | Verfahren zur Standortbestimmung mittels eines nichtsynchronen zellularen Mobilfunksystems |
US5699275A (en) | 1995-04-12 | 1997-12-16 | Highwaymaster Communications, Inc. | System and method for remote patching of operating code located in a mobile unit |
US5694322A (en) | 1995-05-09 | 1997-12-02 | Highwaymaster Communications, Inc. | Method and apparatus for determining tax of a vehicle |
US6560461B1 (en) | 1997-08-04 | 2003-05-06 | Mundi Fomukong | Authorized location reporting paging system |
US7117075B1 (en) | 2005-08-15 | 2006-10-03 | Report On Board Llc | Driver activity and vehicle operation logging and reporting |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3516357A1 (de) * | 1985-05-07 | 1986-11-13 | Robert Bosch Gmbh, 7000 Stuttgart | Funktelefonnetz fuer ein in funkzellen aufgeteiltes funkgebiet |
JPS6250619A (ja) * | 1985-08-30 | 1987-03-05 | Fujitsu Ten Ltd | 電子地図 |
JPS63151879A (ja) * | 1986-12-16 | 1988-06-24 | Daihatsu Motor Co Ltd | 車載用地図表示システム |
-
1988
- 1988-11-05 DE DE3837633A patent/DE3837633A1/de not_active Ceased
-
1989
- 1989-09-04 DE DE58909574T patent/DE58909574D1/de not_active Expired - Lifetime
- 1989-09-04 ES ES89116287T patent/ES2081821T3/es not_active Expired - Lifetime
- 1989-09-04 AT AT89116287T patent/ATE133310T1/de not_active IP Right Cessation
- 1989-09-04 EP EP89116287A patent/EP0367935B1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3516357A1 (de) * | 1985-05-07 | 1986-11-13 | Robert Bosch Gmbh, 7000 Stuttgart | Funktelefonnetz fuer ein in funkzellen aufgeteiltes funkgebiet |
JPS6250619A (ja) * | 1985-08-30 | 1987-03-05 | Fujitsu Ten Ltd | 電子地図 |
JPS63151879A (ja) * | 1986-12-16 | 1988-06-24 | Daihatsu Motor Co Ltd | 車載用地図表示システム |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN, Band 11, Nr. 239 (P-602)[2686], 6. August 1987; & JP-A-62 050 619 (FUJITSU TEN LTD) 05-03-1987 * |
PATENT ABSTRACTS OF JAPAN, Band 12, Nr. 415 (P-781)[3262], 4. November 1988; & JP-A-63 151 879 (DAIHATSU MOTOR CO., LTD) 24-06-1988 * |
Cited By (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0335558A3 (de) * | 1988-03-26 | 1991-03-20 | The Marconi Company Limited | Radio-Übertragungssystem |
EP0335558A2 (de) * | 1988-03-26 | 1989-10-04 | The Marconi Company Limited | Radio-Übertragungssystem |
US5257405A (en) * | 1990-05-29 | 1993-10-26 | Rohde & Schwarz Gmbh & Co. Kg | Method and system for setting up LOS-radio communication between mobile or stationary remote stations |
EP0459236A1 (de) * | 1990-05-29 | 1991-12-04 | Rohde & Schwarz GmbH & Co. KG | Verfahren zum Aufbau von LOS-Funkverbindungen von mobilen Sende/Empfangs- stationen zu anderen mobilen oder stationären Gegenstationen |
US5652707A (en) * | 1991-01-17 | 1997-07-29 | Highwaymaster Communications, Inc. | Vehicle locating and communicating method and apparatus |
US6148202A (en) * | 1991-01-17 | 2000-11-14 | @Track Communications, Inc. | Vehicle locating and communicating method and apparatus |
US5884221A (en) * | 1991-01-17 | 1999-03-16 | Highwaymaster Communications, Inc. | Vehicle locating and communicating method and apparatus |
EP0501058A3 (en) * | 1991-01-17 | 1993-03-24 | By-Word Technologies Inc | Vehicle locating and communicating method and apparatus |
US5832394A (en) * | 1991-01-17 | 1998-11-03 | Highway Master Communications, Inc. | Vehicle locating and communicating method and apparatus |
US5299132A (en) * | 1991-01-17 | 1994-03-29 | By-Word Technologies, Inc. | Vehicle locating and communicating method and apparatus using cellular telephone network |
EP0501058A2 (de) * | 1991-01-17 | 1992-09-02 | Highwaymaster Communications, Inc. | Verfahren und Vorrichtung zum Kommunizieren und Orten von einem Fahrzeug |
US5398190A (en) * | 1991-01-17 | 1995-03-14 | Hm Holding Corporation | Vehicle locating and communicating method and apparatus |
EP0744727A3 (de) * | 1991-01-17 | 1997-02-05 | Highwaymaster Comm Inc | Übertragungsverfahren und -vorrichtung für Fahrzeuge |
EP0744727A2 (de) * | 1991-01-17 | 1996-11-27 | Highwaymaster Communications, Inc. | Übertragungsverfahren und -vorrichtung für Fahrzeuge |
US5513111A (en) * | 1991-01-17 | 1996-04-30 | Highway Master Communications, Inc. | Vehicle locating and communicating method and apparatus |
US5519621A (en) * | 1991-01-17 | 1996-05-21 | Highwaymaster Communications, Inc. | Vehicle locating and communicating method and apparatus |
EP0541314A2 (de) * | 1991-11-04 | 1993-05-12 | SECURITY SERVICES plc | Funkübertragungsanordnung mit Datenbank für die Karte des bedekten Gebietes |
EP0541314A3 (en) * | 1991-11-04 | 1994-11-17 | Security Services Plc | Radio communication system with database representing a map of the area covered |
US5454027A (en) * | 1992-01-27 | 1995-09-26 | Hm Holding Corporation | Phantom mobile identification number method and apparatus |
US5983108A (en) * | 1992-01-27 | 1999-11-09 | Highwaymaster Communications, Inc. | Method and apparatus for a nation-wide cellular telephone network |
US5539810A (en) * | 1992-01-27 | 1996-07-23 | Highwaymaster Communications, Inc. | Data messaging in a communications network |
US5465088A (en) * | 1992-03-13 | 1995-11-07 | Robert Bosch Gmbh | Receiver for traffic messages |
WO1993018495A1 (de) * | 1992-03-13 | 1993-09-16 | Robert Bosch Gmbh | Verkehrsrundfunkempfänger |
EP0570223A1 (de) * | 1992-05-15 | 1993-11-18 | Securicor Datatrak Limited | Fahrzeugführungsvorrichtung |
US5913170A (en) * | 1994-11-16 | 1999-06-15 | Highwaymaster Communications, Inc. | Locating system and method using a mobile communications network |
US6748226B1 (en) | 1994-11-16 | 2004-06-08 | Minorplanet Systems Usa, Inc. | System and method for locating a mobile unit within the service area of a mobile communications network |
WO1996019786A1 (en) * | 1994-12-19 | 1996-06-27 | Qualcomm Incorporated | Method and apparatus for displaying messages in vehicular communications systems |
US5678196A (en) * | 1994-12-19 | 1997-10-14 | Qualcomm Incorporated | Method and apparatus for displaying messages in vehicular communications systems |
US5724243A (en) * | 1995-02-10 | 1998-03-03 | Highwaymaster Communications, Inc. | Method and apparatus for determining expected time of arrival |
US5987377A (en) * | 1995-02-10 | 1999-11-16 | Highwaymaster Communications, Inc. | Method and apparatus for determining expected time of arrival |
GB2298766A (en) * | 1995-03-10 | 1996-09-11 | Nec Corp | A mobile communication system in which the mobile may obtain position information from a fixed site which it then stores |
GB2298766B (en) * | 1995-03-10 | 1999-07-07 | Nec Corp | Mobile communication system |
US5722083A (en) * | 1995-07-08 | 1998-02-24 | Alcatel N.V. | Directing a subscriber toward a destination within an SDMA mobile radio network |
DE19524927A1 (de) * | 1995-07-08 | 1997-01-09 | Sel Alcatel Ag | Zielführung eines Teilnehmers innerhalb eines SDMA-Mobilfunknetzes |
US10891623B2 (en) | 2005-08-15 | 2021-01-12 | Innovative Global Systems, Llc | Automated system and method for reporting vehicle fuel data |
US10127556B2 (en) | 2005-08-15 | 2018-11-13 | Innovative Global Systems, Llc | Method for logging and reporting driver activity and operation of a vehicle |
US10157384B2 (en) | 2005-08-15 | 2018-12-18 | Innovative Global Systems, Llc | System for logging and reporting driver activity and operation data of a vehicle |
US10885528B2 (en) | 2005-08-15 | 2021-01-05 | Innovative Global Systems, Llc | Driver activity and vehicle operation logging and reporting |
US9633486B2 (en) | 2005-08-15 | 2017-04-25 | Innovative Global Systems, Llc | Method for data communication between vehicle and fuel pump |
US11074589B2 (en) | 2005-08-15 | 2021-07-27 | Innovative Global Systems, Llc | Driver activity and vehicle operation logging and reporting |
US11216819B1 (en) | 2005-08-15 | 2022-01-04 | Innovative Global Systems, Llc | Driver activity and vehicle operation logging and reporting |
US11386431B1 (en) | 2005-08-15 | 2022-07-12 | Innovative Global Systems, Llc | Driver activity and vehicle operation logging and reporting |
US11587091B1 (en) | 2005-08-15 | 2023-02-21 | Innovative Global Systems, Llc | Driver activity and vehicle operation logging and reporting |
US11836734B1 (en) | 2005-08-15 | 2023-12-05 | Innovative Global Systems, Llc | Driver activity and vehicle operation logging and reporting |
Also Published As
Publication number | Publication date |
---|---|
DE58909574D1 (de) | 1996-02-29 |
ES2081821T3 (es) | 1996-03-16 |
ATE133310T1 (de) | 1996-02-15 |
DE3837633A1 (de) | 1990-05-10 |
EP0367935B1 (de) | 1996-01-17 |
EP0367935A3 (de) | 1991-11-27 |
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Legal Events
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