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. 30, 2002
Filed:
Aug. 20, 1999
Applicant:
Inventors:
Aaron I. Crane, Palatine, IL (US);
Joseph R. Roberts, Rolling Meadows, IL (US);
Frank J. Kozak, Naperville, IL (US);
Assignee:
Navigation Technologies Corp., Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
G06F / ;
Abstract
A data collection system and method match the positions of one or more cellular phones, or other types of wireless phones, to data indicating the locations of roads in a geographic area to derive data about phones located in vehicles traveling along the roads. The data about phones located in vehicles traveling along the roads are used for updating or refining a geographic database, traffic monitoring and reporting, or for other purposes.