Class / Patent application number | Description | Number of patent applications / Date published |
701417000 | Having particular off-route detection | 6 |
20130151141 | NAVIGATION APPARATUS - A control unit of a navigation apparatus disposed in a vehicle controls a display screen to display a main guidance route. When the vehicle departs from the main guidance route to enter a sub-guidance route at a branch point positioned along the main guidance route, a display mode of a first route between the branch point and a connection point at which the sub-guidance route connects to the main guidance route is gradually changed from a first mode to a third mode, which is a non-display of the guidance route. In addition, the display mode of a second route, which is the sub-guidance route, gradually changes from a second mode to the first mode. | 06-13-2013 |
20130184986 | Probalistic Reverse Geocoding - The accuracy of a reverse geocode for a GPS fix in a mobile phone navigation device is improved significantly by considering together the user's last known location on an original route, the elapsed time between the last known location on the original route and the latest GPS fix, and the likelihood that the user could have travelled from the last known location on the original route to one of numerous candidate locations (generated from the reverse geocode) in the elapsed time. The navigation server relies only on a GPS fix, timestamps, and a back-end routing database to provide improved or superior accuracy of reverse geocoding a GPS fix (selection of a point on a road) when a relevant user has deviated from the intended route. The reverse geocoding allows for accurate and functional re-routing capabilities. | 07-18-2013 |
20130211709 | MOBILE TERMINAL, SYSTEM AND METHOD - The present invention pertains to a mobile terminal having an autonomous navigation function, said mobile terminal comprising: a map application which performs map matching on the current position of the mobile terminal on a route to a destination; a measurement unit which detects the movement of the mobile terminal, and which provides sensor information representing the number of steps and travel direction; a position calculation unit which determines the current position of the mobile terminal; a travel direction correction unit which, when it has been estimated that a user is walking straight by determining whether the amount of change of the user's travel direction is within a prescribed range in a prescribed period, corrects the user's travel direction according to the orientation of the straight parts when the user is walking straight on the route; and a current position correction unit which, on the basis of the corrected travel direction and the starting time and starting point when walking straight, recalculates the current position of the mobile terminal from the starting point, and corrects the current position of the mobile terminal according to the recalculated current position. | 08-15-2013 |
20140067256 | Position Calculation Method and Position Calculation Apparatus - A position calculation method includes: by using a current position of a mobile object, a link candidate point position, an error variance of positions of a plurality of links included in a region around the current position, and an error variance of azimuths of the plurality of links, calculating, an evaluation value that corresponds to a probability that the mobile object is traveling upon a road corresponding to each link candidate point, for each link including the each link candidate point; and calculating the current position based upon the evaluation value, by taking the mobile object as being positioned at a link candidate point, among a plurality of link candidate points, for which the probability is highest. | 03-06-2014 |
20160091324 | TRAVEL ROUTE INFORMATION GENERATION APPARATUS - A server acquires location information data and direction information data. The location information data indicates a travel path of vehicles with discrete locations. The direction information data indicates a traveling direction at each location indicated by the location information data. The server generates information about a new travel route that does not exist in the map data, based on off-route location information data indicative of a travel path deviated from travel routes existing in map data. The server estimates partial travel routes indicative of parts of the new travel route, based on the off-route location information data and the direction information data indicative of associated traveling directions of vehicles. The server then estimates the shape of the new travel route, based on the estimated partial travel routes. | 03-31-2016 |
20160123747 | DRIVE ASSIST SYSTEM, METHOD, AND PROGRAM - A drive assist system that includes a processor that is programmed to: acquire a scheduled travel route for guiding a vehicle to a destination location to provide guidance on the scheduled travel route; acquire an along-the-way route to be followed when the vehicle travels along the way; acquire an attention location that requires a determination as to whether or not to travel; specify, as a guide target intersection, an intersection which is positioned between the attention location that is present on the along-the-way route and the vehicle and to which a road that can be traveled on without reaching the attention location other than the attention location that is present on the along-the-way route is connected; and provide guidance on the guide target intersection when guidance on the scheduled travel route is not provided. | 05-05-2016 |