Robert Boschgmbh

Cornelius Hahlweg

Ulrich Kersken

Gerd Draeger

Bernd Petzold

Matthias Hessling

Bernd Hessing

Henry Brandes

Peter Kreft

Heinz-Werner Pfeiffer

Andreas Buecher

Jan Martin

Heinz Werner Pfeiffer

To generate appendices which uniquely reference an object geographically, a tree of possible paths is generated. The paths are evaluated in accordance with predefined criteria, which are suited for use as termination criteria, at the time the paths are formed. Of the remaining paths, at least that one is coded as an appendix which best fulfills at least one of the criteria.

Method for creating appendices that clearly reference the location of an object

A method, a data format, an encoding device, a decoding device and a system for encoding, for decoding and/or for transmitting location information, the location information including both locating information and description information, a data packet separately containing locating information and description information, and the data packet containing assignment information for assigning at least a part of the locating information to at least a part of the description information.

Method, data format, encoding device, decoding device and system

The supplementary location-related information which may be included in a digital map of the receiver is transmitted in such a way that the location-related information may be downloaded from an Internet page.

Method for the transmisson of location-related information

A device and a method of detecting and preprocessing vehicle data, traffic data, and/or driver data, such as the speed, direction of travel, engine condition, weather conditions, heart rate, etc., is described, in which the time and location of recording the data are also recorded in addition to the data mentioned. The position determination may be accomplished in particular by a positioning system such as GPS. The position may be adjusted using a digital map. The recorded data is preferably preprocessed in real time, coded, and/or compressed and/or subjected to a statistical analysis, linked mathematically/logically and recorded and/or transmitted.

Device and method for detecting and preprocessing vehicle, traffic and/or driver related data

A navigation system for a motor vehicle includes at least one storage device, at least one navigation map being stored on each storage device, which is read out using a reading device. Associated with the reading device is a changeover device for exchanging storage devices that are to be read out by the reading device. A navigation map and information regarding the instantaneous position of the motor vehicle are displayed to a vehicle occupant via a display device. A control device for the changeover device controls the changeover device so that a point in time for changing over the storage device is identifiable so that during the changeover operation of the storage device, a deviation of the motor vehicle from the route segment currently being traveled is improbable based on the current navigation data of the motor vehicle.

Navigation system and method for operating a navigation system

In methods for encoding and decoding objects with reference to a traffic route network, wherein the encoded information can also be decoded with the aid of databases that differ from a database used in the encoding, the objects are provided with relationships to at least one relational object which is present in databases that are used for the decoding, and the relationships do not primarily result from the traffic route network. A position indication can also be provided with a position type designator, which for instance indicates whether the transmitted position is an exact or navigable position or is the location of a search space.

Method for encoding and decoding objects with reference to a road network

The method is used for the user-defined setting of a driver information system (), in which data are stored and are retrievable for making a decision. In this context, it is provided that a user-defined decision matrix () is set up which is adjustable as a function of operating data and is retrievable for making a preliminary decision with the aid of the information system ().

Method for a user-defined setting of a driver information system

A method and a device are described for managing traffic-relevant events in a vehicle-based navigation system. A traffic information database, which can be updated by the driver in particular through prioritized driver queries initiated by the system concerning the traffic situation is managed in the navigation system. Thus observations made by the driver during his trip can be stored in the database as traffic information and used for updated route planning.

Methods and device for managing traffic disturbances for navigation devices

A device for generating and/or processing navigating data. The device having access to first location data, a first point and a second point being derivable with the aid of location data, navigational data being able to be generated and/or being processable for the points, and the second locations data being necessary for deriving the second point.

Device for generating and/or processing navigational information

A method and a device for transmitting navigation information from a data processing center to an on-board navigation system. The device includes a request profile generating device for generating an individual request profile according to the navigation information required by the on-board navigation system, a communication device for transmitting the individual request profile from the navigation system to the data processing center via a wireless interface, a preparation device provided in the data processing center for analyzing the transmitted individual request profile and preparing the navigation information required in the on-board navigation system and transmitting back the required navigation information from the data processing center to the on-board navigation system via the wireless interface, and a navigation information integrating device for integrating the back-transmitted, required navigation information into the on-board navigation system.

Method and device for transmitting navigation information from data processing center to an on-board navigation system

A method of route planning in a navigation system, takes place in three steps. In a first step, a quantity of first travel routes is determined on the basis of an optimization criterion, and location-independent and situation-specific user preferences derived therefrom. In the second step, the first travel routes are recalculated in sub-segments on the basis of location-dependent and situation-specific user preferences. In the third step, the determined travel routes are prioritized on the basis of at least one rating criterion. The intermediate results obtained may be displayed for the user after each step, so that the user may select one of the routes if necessary and thus end the method early. The operating behavior of the user and/or the way in which the user follows the route recommendations may be monitored and statistically evaluated, making it possible to customize the rating criteria and user preferences for route planning.

Method of route planning in a navigation system

In a method for encoding objects in a traffic route network, to which information from one transmitter at a time to a receiver is transmitted, and for the encoding and decoding of which different databases, in particular digital maps of the traffic route network, can be used in the transmitter and the receiver, the objects are each provided with at least one coordinate chain, which is located at least in part on traffic routes that are also included in the database of the receiver, and which includes characteristic properties of parts of the traffic route network.

Method for coding and decoding objects in a road traffic network

In a method for the automated joining of two-dimensional objects, two equally large sets of points of both objects are selected, one point of the second set being assigned precisely to each point the first set, and vice versa. An equation system is solved which can be obtained by setting up a transformation equation P &prime;&equals;T(P ) for the set of points P with variable parameters a and by determining those values of parameters a for which the sum of all the squared distances between the transformed points P &prime; and the assigned points G of the second set assumes a minimum and the first object is plotted on the second one with the aid of the transformation equation thus obtained. The method is suitable in particular for the automatic joining of maps in a motor vehicle navigation system.

Method for the automated joining of two-dimensional objects

In order to compare two two-dimensional sets of points (P , P , . . . , P ; G , G , . . . G ), an equation system is solved that can be obtained by generating a transformation equation for the first set of points with variable parameters and determining the values of the parameters for which the sum over all squared distances between the transformed points P &prime; of the first set and the assigned points G of the second set assumes a minimum, the values of the parameters obtained in this way being used as a measure of the similarity of the sets of points (P , P , . . . , P ; G , G , . . . G ).

Method for comparing points sets

A radar system which is used for determining optical range includes a frequency analyzer for the analysis of differential frequency signals, which originate from a mixture of the transmitted signal with the received signals, for example reflected from a fog bank. The frequency spectrum images the distance profile of the fog bank.

Growing community of inventors

Hildesheim, Germany

Cornelius Hahlweg