Method of collecting information for a geographic database for use with a navigation system
US7487041B2 · kind B2 · utility
18Cited by
23References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2007 |
| Grant date | Feb 3, 2009 |
| Priority date | — |
| Expiry date | Jul 6, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C21/3626
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for collecting geographic data for use with a navigation system identifies a pedestrian segment associated with a path. A text description of the pedestrian segment is collected. The text description includes one of a predetermined number of phrases and name of at least one feature visible from a location of the pedestrian segment. Data representing the pedestrian segment is stored in the geographic database.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.