#NAVIGATION TECH CORP [US]

Method of representing road intersections

A method is disclosed for representing road intersections as data. A database includes intersection object data entities that represent physical road intersections. Each intersection object data entit…

DRIVE·Dec 22·1 min read

B60T8/17 NAVIGATION TECH CORP [US]

Method, apparatus and computer program for merging, and using multiple map databases.

A method and system are disclosed for the merging of multiple map databases. These multiple map databases can be stored on separate media. Each map database is comprised of whole parcels and conforms …

DRIVE·Nov 3·1 min read

G01C21/3874 NAVIGATION TECH CORP [US]

Method for organizing map data

A method of organizing map data on a physical storage medium is disclosed. The map data represents geographic features located in a geographic region. The method identifies at least one dense area in …

DRIVE·Jun 16·2 min read

G01C21/3881 NAVIGATION TECH CORP [US]

Method and system for updating geographic databases

A method and system for updating geographic databases used in systems that provide navigation-related features are disclosed. An original version of a geographic database is formed in which the data a…

DRIVE·Jan 28·2 min read

G01C21/3859 NAVIGATION TECH CORP [US]

Method of providing location-based advertising with route information

A method of facilitating delivery of advertising to users of mobile computing platforms is disclosed. A geographic database contains data entities that represent geographic features, such as roads, lo…

DRIVE·Jan 2·2 min read

G01C21/26 NAVIGATION TECH CORP [US]

Method of collecting market research information

A method of collecting market research information is disclosed. A geographic database contains data entities that represent geographic features, such as roads, located in a geographic region. Adverti…

DRIVE·Jan 2·1 min read

G01C21/26 NAVIGATION TECH CORP [US]

Bearing data for route guidance

The bearing of a road segment indicates the direction that the segment follows from an end thereof. A primary bearing of a road segment is determined with respect to a significant shape point located …

DRIVE·Dec 3·2 min read

G01C21/3819 NAVIGATION TECH CORP [US]

System and method for storing geographic data on a physical storage medium

An improved method and system for storage of geographic data on physical storage media. The geographic data are stored in a manner that facilitates and enhances use and access of the data by various n…

DRIVE·Nov 26·2 min read

G01C21/3867 NAVIGATION TECH CORP [US]

Navigation system that supports multiple languages and formats

A navigation system includes a navigation-related information server and one or more customer-interface servers. Each customer-interface server receives requests for navigation-related information fro…

DRIVE·Apr 9·2 min read

G01C21/3626 NAVIGATION TECH CORP [US]

Method for calculating distance using piece-wise linear interpolation

A method for calculating a distance between a first point and a second point using linear interpolation is provided. The first point and the second point are located between a first latitude and a sec…

DRIVE·Jan 29·2 min read

G01C21/20 NAVIGATION TECH CORP [US]

Driving profile method and system

A navigation system includes a driving profile program. The driving profile program collects information about an end user's driving activity. The information relates to trips made by the end user. Th…

DRIVE·Dec 11·1 min read

G01C21/3484 NAVIGATION TECH CORP [US]

Methods, devices and computer programs for providing a navigation system with backup driving instructions

A navigation method and system are disclosed whereby users of the systems are provided with backup driving instructions. A wireless communications system allows end users' computing devices to receive…

DRIVE·Nov 13·1 min read

G01C21/3626 NAVIGATION TECH CORP [US]

Geographic database including data indicating wireless coverage and method and system for use thereof

Wireless coverage data are associated with a geographic database that contains data that represent a road network in a geographic region. The wireless coverage data indicate areas within the geographi…

DRIVE·Oct 23·2 min read

G01C21/26 NAVIGATION TECH CORP [US]

Navigation system with distributed computing architecture

A system and method for providing geographic data to end users' computing platforms. A server maintains downloadable geographic data that are organized into pre-computed parcels that correspond to pre…

DRIVE·Oct 23·1 min read

G01C21/34 NAVIGATION TECH CORP [US]

Speech recognition with spatially built word list

A navigation system includes an automatic speech recognition program that matches spoken words that describe geographic features, such as places, street names and points of interest, to entries in a w…

DRIVE·Aug 21·2 min read

G01C21/3608 NAVIGATION TECH CORP [US]

Bowing coefficient representation of curvature of geographic features

The degree to which a linearly extending feature, such as a road, curves is indicated using a bowing coefficient. The bowing coefficient at a given location along a linearly extending feature is deter…

DRIVE·Jul 31·1 min read

G01C21/3819 NAVIGATION TECH CORP [US]

Method and system for compact representation of routes

A method for representing a route along a road network in a geographic region is disclosed. A database includes data representations of intersections of roads in the geographic region. Associated with…

DRIVE·May 2·1 min read

G01C21/34 NAVIGATION TECH CORP [US]

Method and system for encrypted distribution of geographic data for navigation systems

A navigation system with decryption functions. The navigation system may receive from a portable data storage medium an encrypted authentication key, an encrypted first portion of a geographic databas…

DRIVE·Mar 20·2 min read

G01C21/3896 NAVIGATION TECH CORP [US]

Method for organizing map data

A method and system for organizing and storing map data that facilitates use of the map data by navigation application programs such as those in navigation systems. The map data represent geographic f…

DRIVE·Jan 30·1 min read

G01C21/3881 NAVIGATION TECH CORP [US]

Method and system for forming a keyword database for referencing physical locations

An improved method and system for specifying physical locations when using applications run on navigation systems or other computer platforms that provide navigation- or map-related functions. When re…

DRIVE·Dec 5·2 min read

G01C21/36 NAVIGATION TECH CORP [US]

Electronic navigation system and method

The invention provides a method and system for providing route guidance and other information from a base unit to a remote unit in response to a request from the remote unit. A query is formatted at t…

DRIVE·Dec 5·2 min read

G01C21/26 NAVIGATION TECH CORP [US]

Method and system for accessing spatially organized geographic data in blocks

A method whereby a computing platform that uses geographic data that are spatially organized into parcels of a given size can specify a parcel block size larger than the given size. Thereafter, during…

DRIVE·Nov 28·2 min read

G01C21/3881 NAVIGATION TECH CORP [US]

Method and system for providing routing guidance

A method performed by a navigation system to provide guidance to a driver of a vehicle when the vehicle departs from a route to a destination for which route guidance was being provided by the navigat…

DRIVE·Oct 17·1 min read

G01C21/3415 NAVIGATION TECH CORP [US]

Deductive database architecture for geographic data

A database architecture for using geographic data to provide navigation-related functions is disclosed. The navigation-related functions are provided by navigation program applications. A geographic d…

DRIVE·Oct 4·2 min read

G01C21/3878 NAVIGATION TECH CORP [US]

Method and system for representing restricted driving maneuvers

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 multip…

DRIVE·Sep 12·1 min read

G01C21/3815 NAVIGATION TECH CORP [US]

Method and system of providing navigation services to portable communication devices

A method and system for providing navigation services to portable communications devices, such as cellular phones. A cellular phone user uses a cellular phone to request navigation services. The cellu…

DRIVE·Jul 25·2 min read

G01C21/30 NAVIGATION TECH CORP [US]

Method and system for providing an electronic horizon in an advanced driver assistance system architecture

A method and system for use by driver assistance systems installed in a motor vehicle to continuously provide such systems with updated data about paths along roads onto which the motor vehicle can tr…

DRIVE·Jun 27·1 min read

G01C21/3667 NAVIGATION TECH CORP [US]

Map data architecture for vehicle computer system

A data architecture for a motor vehicle that continuously provides updated data about paths along roads onto which the motor vehicle can travel from a current position of the motor vehicle as the moto…

DRIVE·Jun 27·2 min read

G01C21/3896 NAVIGATION TECH CORP [US]

Method of making geographic database products

A process and system for collecting data about roads located in a geographic area and using the collected data to develop representations of the locations and geometry of the roads for a geographic da…

DRIVE·May 9·2 min read

G01C21/3819 NAVIGATION TECH CORP [US]

Method and system for automatic centerline adjustment of shape point data for a geographic database

A process and system for collecting data about roads located in a geographic area and using the collected data to develop representations of the roads for a geographic database. Data representing posi…

DRIVE·May 2·1 min read

G01C21/3811 NAVIGATION TECH CORP [US]