Geographic database including data indicating wireless coverage and method and system for use thereof
US7079945B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 17, 2001 |
| Grant date | Jul 18, 2006 |
| Priority date | — |
| Expiry date | Apr 17, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C21/3896
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
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 geographic region in which navigation-related services or data from a navigation services provider are available wirelessly, or conversely, areas within the geographic region in which navigation-related services or data from a navigation services provider are not available wirelessly. An end user obtains the wireless coverage data. The wireless coverage data are used to indicate to the end user areas in which navigation-related services or data from the navigation services provider are available wirelessly or areas in which navigation-related services or data from the navigation services provider are not available wirelessly. The wireless coverage data may also be used to warn the end user when he/she is leaving an area in which navigation-related services or data from the navigation services provider are available wirelessly. Data for uncovered areas can be downloaded to an end user's computing platform while the end user is still within an area in which navigation-related data from the naviga…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.