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. 15, 2010
Filed:
Sep. 02, 2005
Applicants:
Hiroki Ishikawa, Okazaki, JP;
Tomoyuki Zaitsu, Okazaki, JP;
Masao Kawai, Okazaki, JP;
Inventors:
Assignee:
Aisin AW Co., Ltd., Anjo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 21/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A navigation apparatus and method store traffic information and searches for a guidance route to a specified destination. The apparatus and method calculate congestion degrees for the guidance route based on a factor by time period and the stored traffic information and display the guidance route and the congestion degrees by time period.