About 38 results
https://drivepatents.com/patents/999340 · 15 Aug 2012
A vehicle navigation device (1) comprises a map data base (3) storing map data and a processing unit (2). The map data base (3) includes first attributes indicative of the presence of express lanes and second attributes assigned to lanes to indicate which ...
https://drivepatents.com/patents/1001182 · 20 Jun 2012
Provided is a route through which a user can smoothly travel and on which an evaluation of traveling environment is reflected. A route search system includes a user input receiving unit (13, 7517) which uses a delay time from an expected travel time as an ...
https://drivepatents.com/patents/1003350 · 18 Apr 2012
A technology for searching for a recommended route matched to a search condition is provided for route search that involves substitution with a learned route. A route search device comprises: a storage means to store therein, as learned routes, routes corr...
https://drivepatents.com/patents/1004799 · 29 Feb 2012
The method involves pre-calculating a route in a display screen by cartographic data that includes road segments. Weights of the route calculation are assigned to the road segments, and selective screen position and time duration of selection operation is ...
https://drivepatents.com/patents/1005797 · 1 Feb 2012
Disclosed is a vchicle-mounted electronic device provided with an input unit which designates a destination, an incident-prone area storage unit in which incident-prone area data is stored, a report unit, and a control unit, wherein incident occurrence rat...
https://drivepatents.com/patents/1015091 · 9 Mar 2011
The method involves activating a route permission operation mode, and selecting a permission option from a permission database. The selected permission option is output in connection with associated permission-limited route segments (9, 13-17) by an output...
https://drivepatents.com/patents/1015458 · 23 Feb 2011
Methods and systems for assessing the effect of road curvature on the travel time and the comfort level of a path determined by a ground based route planning system. The methods and systems identify (102) a path and determine (104) an allowable speed profi...
https://drivepatents.com/patents/1072130 · 30 Nov 2005
Motor vehicle navigation unit has a storage medium in which a digital map is contained and a processor unit for determining an optimum journey route. At least one area of the map (C) includes a time- dependent road resistance value, which is a measure of t...
https://drivepatents.com/patents/1072463 · 16 Nov 2005
A preprocessing unit calculates a square sum SJ(tn) of jerk J, and a driving characteristic calculation unit determines whether the jerk square sum SJ(tn) is equal to or above a predetermined threshold value. The position/traveling direction determination ...
https://drivepatents.com/patents/1074547 · 31 Aug 2005
A navigation apparatus and arrival detection method detect a current location of a vehicle and searches for a route to a set destination. The apparatus and method provide guidance to the destination along the searched route and determine whether the destin...