Methods of accessing a navigation database
US8478752B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2009 |
| Grant date | Jul 2, 2013 |
| Priority date | — |
| Expiry date | May 24, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/29
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A navigation database comprises a first set of elements comprising airports, beacons and waypoints; a second set of elements comprising procedures; and a third set of elements comprising routes. The method comprises a step of creating a pair of indices comprising an index comprising the elements of the three sets; identifier, a type and a functional identifier; a first list of pointers to the memory address where the elements are stored; a pre-index comprising a list of code, each code corresponding to the first characters of each element, the codes being indexed by a family of attributes of elements; a second list of pointers to the identifier of the first element in the first index.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.