The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 26, 2002

Filed:

Sep. 25, 2001
Applicant:
Inventors:

Timothy McGrath, Chicago, IL (US);

John Jasper, Arlington Heights, IL (US);

James Herbst, Mountain View, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/740 ;
U.S. Cl.
CPC ...
G06F 1/740 ;
Abstract

A system and method of providing incremental updates for a geographical data set for use in navigation systems. The system and method include organizing updates of geographical data set into a series of transactions. Each of the transactions includes a transaction identifier that uniquely identifies the transaction, and n steps to be applied to the geographical data set to complete the transaction. All the steps of the transaction are required to be successfully applied in order for the transaction to be completed, otherwise, the entire transaction is not applied.


Find Patent Forward Citations

Loading…