1
Cherveny Kevin, Crane Aaron, Kaplan Lawrence M, Jasper John, Shields Russel T: System and method for updating, enhancing or refining a geographic database using feedback. Navigation Tech, June 9, 1999: EP0921509-A2 (95 worldwide citation)

A system for updating, enhancing and/or refining a geographic database. A geographic database includes data representing physical features in the geographic region, and, optionally, attributes of such features. The system includes a plurality of data collecting sensors. Each of the data collecting s ...


2
Ahrens John, Jasper John, Kohler Joseph, Shields Russel T: System for distributing information for storage media. Navigation Technol, September 6, 2007: JP2007-226263

PROBLEM TO BE SOLVED: To provide a system for distributing geographical data and updated navigation data, stored on storage media and used in in-vehicle navigation systems.SOLUTION: Owners of vehicles make a contract for obtaining the updated navigation data beforehand, in order to obtain updated da ...


3
Cherveny Kevin, Crane Aaron, Kaplan Lawrence M, Jasper John, Shields Russel T: System and method to update, expand and improve geographical data base using feedback. Navigation Technol, September 17, 1999: JP1999-249552

PROBLEM TO BE SOLVED: To obtain a system to update, expand and/or improve a geographical data base. SOLUTION: Each of data collection sensors is installed on individual plural vehicles 50 and provides outputs showing one or more features of regions. A computer program executes the feedback processin ...