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. 24, 2012
Filed:
Aug. 20, 2008
Toshiharu Sugawara, Hitachinaka, JP;
Atsushi Yokoyama, Tokyo, JP;
Takaomi Nishigaito, Kasumigaura, JP;
Masatoshi Hoshino, Tsuchiura, JP;
Tatsuya Yoshida, Naka, JP;
Jun Kubo, Hino, JP;
Shinjiro Saito, Hitachinaka, JP;
Toshiharu Sugawara, Hitachinaka, JP;
Atsushi Yokoyama, Tokyo, JP;
Takaomi Nishigaito, Kasumigaura, JP;
Masatoshi Hoshino, Tsuchiura, JP;
Tatsuya Yoshida, Naka, JP;
Jun Kubo, Hino, JP;
Shinjiro Saito, Hitachinaka, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A drive assist system includes an assist starting part starting assist, a detection part detecting relative distances and speeds between a vehicles, a calculation part calculating collision risks when changing a lane by the basis of the relative distances and speeds, a first judgment part judging whether the lane can be changed by the relative distances, speeds and the collision risks, a decision part deciding a target space for lane change by the relative distances and speeds when the lane cannot be changed, a second judgment part judging whether a lane changeable space is in the target space, a setting part setting a target speed for the vehicle go to a lane change waiting position when no space and to setting a target speed the vehicle enters a lane changeable position when there is the space, and a control part controlling a speed of the vehicle reaches the target speed.