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:
Dec. 16, 2008
Filed:
May. 13, 2004
Kazuto Kokuryo, Ohtsu, JP;
Yoshiteru Makino, Ohtsu, JP;
Satoshi Furusawa, Minato-ku, JP;
Niles Co., Ltd., Tokyo, JP;
Abstract
A wiper control method and a wiper control device are provided which can smoothly respond to rapid change of a rainfall situation at passage of a rainfall shutoff environment such as a tunnel. A wiping state control partdetermines entry of a vehicle into the rainfall shutoff environment, sets a wiping level low for the low level of rainfall less than a predetermined rainfall level in response to this determination or sets the wiping level high for the high level rainfall at the predetermined rainfall level or more. A rainfall level generation partdetects adhesion of raindrops and determines the rainfall level. A wiper driving signal generation partdetermines wiper operation based on the rainfall level determined by the rainfall level generation partand the wiping level set by the wiping state control part