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:
Jun. 30, 2009
Filed:
Aug. 07, 2007
Applicants:
Masatoshi Kumagai, Ibaraki, JP;
Mariko Okude, Ibaraki, JP;
Koichiro Tanikoshi, Ibaraki, JP;
Inventors:
Assignee:
Xanavi Informatics Corporation, Zama-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08G 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A probe center server () previously performs filtering to determine whether or not a projection norm of a link in a feature space can be interpolated, and notifies a probe terminal () to preferentially collect and upload detected probe data for the link whose missing data can not be interpolated.