About 22 results
https://drivepatents.com/patents/984427 · 28 Aug 2013
Navigation system and method for navigation by means of a route (30) comprising the steps: - retrieving map data (125) of a map section (20) from a database (120), wherein the map data (125) have polygonal chains (10 A , 10 B , 10 C , 10 D ), wherein each ...
https://drivepatents.com/patents/987675 · 7 Aug 2013
A navigation system 100 includes: map data 120 expressing a road map which include zonal network data indicating connections among a plurality of parcels; a minimum cost route calculating means for calculating a minimum cost route achieving a least sum of ...
https://drivepatents.com/patents/987676 · 7 Aug 2013
A navigation terminal apparatus (5) includes: terminal map data (515); a route search means for searching for a traveling route, through which a mobile object (4) is to travel, based upon a specific search condition pertaining to a travel cost; and an upda...
https://drivepatents.com/patents/985101 · 17 Apr 2013
The present invention relates to a method for generating compressed navigation map database from uncompressed navigation map data, the uncompressed navigation map data containing different building blocks of navigation data, each building block addressing ...
https://drivepatents.com/patents/992530 · 6 Mar 2013
A method of creating map data, including search acceleration data arranged to increase the speed at which a route can be planned across an electronic map, which comprises a plurality of navigable segments, representing segments of a navigable route in the ...
https://drivepatents.com/patents/993009 · 6 Feb 2013
The present invention relates to a digital map for use in route calculation in a navigation system, which comprises digital map data, and is characterized in that the digital map comprises an algorithm for searching the digital map data.
https://drivepatents.com/patents/1008714 · 12 Oct 2011
Computing distance tables is important for many logistics problems like the vehicle routing problem (VRP). While shortest distances from all source nodes in S to all target nodes in T are time-independent, travel times are not. We propose a method of deter...
https://drivepatents.com/patents/1011345 · 6 Jul 2011
A method of navigation guidance includes providing a communications node (104, 106), and a remote communications node (108). The remote communications node (108) requests a navigation route (201, 301) from communications node (102, 104, 106). The navigatio...
https://drivepatents.com/patents/1013055 · 11 May 2011
A method of generating a set of solutions to a route-planning problem includes iteratively applying a Probability Collective (PC) method, each iteration including sampling from a probability distribution defined over a set of decision variables relating to...
https://drivepatents.com/patents/1068962 · 22 Mar 2006
A first route is calculated between start (SO) and destination (ZO) from map data. A notional starting location (SO1) is determined on this route. A route is calculated between the notional location (SO1) and the destination (ZO). This second route is comp...