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.
Patent No.:
Date of Patent:
Apr. 05, 2016
Filed:
Dec. 04, 2009
Applicants:
Robert P. Roesser, Southfield, MI (US);
Sarmad Y. Hermiz, Troy, MI (US);
Inventors:
Robert P. Roesser, Southfield, MI (US);
Sarmad Y. Hermiz, Troy, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01C 22/00 (2006.01); G01C 21/32 (2006.01);
U.S. Cl.
CPC ...
G01C 21/32 (2013.01);
Abstract
A system and method for efficiently updating the map database in a mobile computing system, such as a vehicle navigation system. The system includes a central server that computes changes between the latest version of a master map database and a previous version of the map database, and wirelessly transmits the changes to participating vehicles' onboard navigation systems. The navigation system stores the changes in a look-aside buffer, and a navigation processor uses the stored changes to update a base map database.