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:
Jan. 25, 2005
Filed:
Mar. 04, 2003
Applicant:
Roy Casino, Mundelein, IL (US);
Inventor:
Roy Casino, Mundelein, IL (US);
Assignee:
Navteq North America, LLC, Chicago, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1700 ;
U.S. Cl.
CPC ...
Abstract
A method for collecting data for a geographic database is disclosed. Engine load value and position data are collected using a vehicle traveling in a geographic region. A location of a road grade change point is identified corresponding to a change in the engine load value data. The geographic database is updated to indicate the road grade.