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:
Jan. 23, 2018
Filed:
Jun. 16, 2014
Fuji Jukogyo Kabushiki Kaisha, Tokyo, JP;
Koji Matsuno, Tokyo, JP;
Harunobu Horiguchi, Tokyo, JP;
SUBARU CORPORATION, Tokyo, JP;
Abstract
A control unit of an assist controller for a vehicle estimates the visibility of a driver, calculates a visibility degradation ratio as a temporal change amount of the visibility, compares the visibility degradation ratio with a warning threshold that has been set in advance according to a vehicle speed, determines whether to warn the driver with a warning device, compares the visibility degradation ratio with a control characteristic change threshold that has been set in advance according to a vehicle speed, determines changes in control characteristics of the ABS function, skid preventing control function, and brake assist control function, compares the visibility degradation ratio with a deceleration control actuation threshold that has been set in advance according to a vehicle speed, and determines whether to execute automatic braking.