Map information management system and map information distribution system
US8892522B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 2, 2007 |
| Grant date | Nov 18, 2014 |
| Priority date | — |
| Expiry date | Mar 19, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B29/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
There is provided a map information providing technology that can keep map information very fresh at all times.A map information management system has a map to be updated DB for storing map data to be updated that is used to update and maintenance, a map to be provided DB for storing map data to be provided that is distributed, an updated data DB for storing updated data for updating the map data to be provided, a map DB update means for updating the map data to be updated when the updated data for updating the map data of the map data to be updated DB is input, an updated data creation mean for creating the differential data before and after it is updated by the updated data and storing the differential data in the updated data DB as the updated data, and a data distribution means for extracting the map data to be provided or the updated data stored in the map to be provided DB when it receives a request to distribute the map data or the updated data from a destination system and distributing it to the destination system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.