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:
Jul. 29, 2003
Filed:
Sep. 18, 2001
Hiroo Yabe, Shizuoka-ken, JP;
Yazaki Corporation, Tokyo, JP;
Abstract
The wiper control device comprises a wiper motor for moving a wiper, a switch for outputting a signal which inverts at each single sweep of the wiper, a wiper switch circuit of a combination switch which instructs movement of the wiper, a first solid state switching element FET-b which drives the wiper motor, a controller which turns the first solid state switching element on and off intermittently on the basis of the signal from the switch in a case in which intermittent wiper movement is instructed by the combination switch, a second solid state switching element FET-a which is connected in series to the first solid state switching element and is turned on by power source voltage, and a third solid state switching element FET-a which is connected in series to the second solid state switching element and is for braking the wiper motor.