1256785-A2 is referenced by 4 patents.

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
Method and system for providing backup driving instructions with a navigation system
Application Number
EP20020252803 20020422
Publication Number
1256785 (A2)
Application Date
April 22, 2002
Publication Date
November 13, 2002
Inventor
Kaplan Lawrence M
US
Assignee
Navigation Tech
US
IPC
G01C 21/34
G09B 29/10
G08G 01/123
G01C 21/34
G01C 21/00
G09B 29/00
G09B 29/10
G08G 01/137
G01C 21/34
G01C 21/00
G09B 29/00
View Original Source Download PDF