Patent · US Active

Method of collecting information for a geographic database for use with a navigation system

US7739044B2 · kind B2 · utility

5Cited by
24References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 18, 2008
Grant dateJun 15, 2010
Priority date
Expiry dateDec 18, 2028

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01C21/3626
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A method for collecting geographic data identifies a pedestrian segment associated with a path. Location information for the pedestrian segment is collected. Additionally, lighting level attribute information is collected for the pedestrian segment. The location information and the lighting level attribute information are stored in the geographic database that is stored on a computer readable storage medium.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.