Geometry-based search engine for navigation systems
US7574428B2 · kind B2 · utility
242Cited by
31References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2006 |
| Grant date | Aug 11, 2009 |
| Priority date | — |
| Expiry date | Oct 19, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99933
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer-implemented method for determining a requested map location includes providing a database holding a plurality of map objects having respective descriptors and loci. A search query including one or more query terms that describe the requested map location is accepted. One or more matched map objects are identified in the database such that the respective descriptors of the matched map objects each match at least one of the query terms. The respective loci of the matched map objects are processed to determine the requested map location.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.