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:
May. 06, 2008
Filed:
Mar. 09, 2005
Toru Ihara, Tokyo, JP;
Keiichi Yamamoto, Tokyo, JP;
Toru Ihara, Tokyo, JP;
Keiichi Yamamoto, Tokyo, JP;
Abstract
The present invention provides a vehicle traveling state determining apparatus including a camera which picks up an image of a road surface in a direction in which a vehicle is traveling, and zigzag state detecting section for determining a zigzag amount on the basis of the road surface image picked up using the camera, wherein the zigzag state detecting section is comprised of speed vector calculating section for calculating a speed vector of the road surface image by comparing a last road surface image picked up using the camera with a current road surface image picked up using the camera, and determining section for determining whether or not the vehicle is traveling in a zigzag line on the basis of the speed vector of the road surface image calculated by the speed vector detecting section.