Patent · US Active

Safety-critical updating of maps via a data channel of a satellite navigation system

US9091554B2 · kind B2 · utility

3Cited by
23References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 11, 2008
Grant dateJul 28, 2015
Priority date
Expiry dateAug 12, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01C21/3815
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A device, system and method for an update system for updating a digital map for a vehicle. The update data is sent from a control center via a satellite navigation system to the individual receivers. The update data is received by the receivers in parallel with the position data from the satellites. For this purpose, a subchannel is provided. This allows large portions of the worldwide population to be supplied with the update data.

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