About 20 results
https://drivepatents.com/patents/951105 · 22 Apr 2015
The present invention relates to a vehicle (1) operable by motor and/or human muscle power, in particular an electric bicycle, comprising a first sensor which detects a driving parameter of the vehicle, wherein the first sensor is a vibration sensor (15) f...
https://drivepatents.com/patents/990938 · 8 May 2013
A technique for structuring a navigation data base in order to support incremental data updates is provided. A method implementation of the technique comprises the steps of providing at least two data levels, wherein a first data level is associated with r...
https://drivepatents.com/patents/1007976 · 9 Nov 2011
A road link string conversion method for converting first road link string data included in first map data into second road link string data included in second map data: deciding whether or not first coordinates-of-position strings corresponding to the fir...
https://drivepatents.com/patents/1009886 · 24 Aug 2011
A preferred configuration of the present invention includes an update map database (DB1) that manages and stores, per section (p), versions of an update data file (Ma) for difference updating the map database (DB3) of a navigation device (2); a request upd...
https://drivepatents.com/patents/1075309 · 10 Aug 2005
A navigation method for providing navigation by using map data includes; displaying a menu with which a user specifies an area of a map over which map data are to be updated, the menu containing a map-based option for area specification and a route-based o...
https://drivepatents.com/patents/1078923 · 30 Mar 2005
Roads and intersections within the map are represented as areas (1, 4). Edges of the areas (2, 3, 5) are given differing properties or attributes, depending on whether they may be crossed over or not. The areas have attributes in accordance with their suit...
https://drivepatents.com/patents/1086122 · 23 Jun 2004
A navigation apparatus is provided with: a first storing device (33, 34, 36, 24) for storing original data for a navigation based on a predetermined format and including map data, in such a manner that an empty area exists on the predetermined format in ea...
https://drivepatents.com/patents/1086169 · 23 Jun 2004
An apparatus generates difference update data for navigation with respect to a plurality of road data for the navigation. Each of the plurality of road data indicates at least one of an existing road and a junction thereof in a preset road network. The dif...
https://drivepatents.com/patents/1110205 · 19 Sep 2001
The present invention provides a terminal device for reading a cartographic file in which updating one cartographic file does not require updating cartographic files in the neighboring units. For this purpose, cartographic files which represent respective ...
https://drivepatents.com/patents/1110313 · 12 Sep 2001
A method that facilitates complying with traffic restrictions that involve three or more connected road segments when using a navigation system to determine a route. The method includes forming multiple instances of data representing each intermediate road...