2626669-A1 cites 11 patents.

[en] A navigation method and system are disclosed whereby users of the systems are provided with backup driving instructions. A wireless communications system allows end users' computing devices to receive dynamic route guidance from a remotely located navigation services provider. The dynamic route guidance provides each end user with maneuvering instructions at appropriate locations along a route to a desired destination. In addition to the dynamic route guidance, the navigation service provider also provides the end users with backup driving instruction data. The backup driving instruction data can be used by an end user's computing device to provide backup driving instructions for traveling, to the destination. The backup driving instruction data can be used in case wireless communications is interrupted.

Title
[fr] Système de navigation avec procédé et système permettant de fournir un guidage sauvegardé
[de] Verfahren und System zur Bereitstellung von unterstützenden Fahranweisungen mit einem Navigationssystem
[en] Method and system for providing backup driving instructions with a navigation system
Application Number
EP20130160479
Publication Number
2626669 (A1)
Application Date
April 22, 2002
Publication Date
August 14, 2013
Inventor
KAPLAN LAWRENCE M
US
Assignee
NAVTEQ
NL
IPC
G09B 29/10
G08G 1/137
G01C 21/36
G01C 21/00
G09B 29/00
G01C 21/34
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