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:
Feb. 25, 2014
Filed:
Dec. 28, 2011
Toshiyuki Amagasa, Kiryu, JP;
Toshiyuki Amagasa, Kiryu, JP;
Mitsuba Corporation, Kiryu-shi, Gunma, JP;
Abstract
In a wiper motor including a motor unit having a rotating shaft, and a gear unit having a speed reduction mechanism for reducing and outputting the speed-reduced rotation, a first speed reduction gear forming a speed reduction mechanism is provided to one end side of a rotating shaft, a sensor magnet is fixed to the other end side of the rotating shaft, a control board is provided so as to face the other end side of the rotating shaft from the axial direction of the rotating shaft, a MR sensor for detecting a rotational state of the rotating shaft is provided to a facing portion of the control board to the sensor magnet, and coil end portions of coils configured to generate an electromagnetic force for rotating the rotating shaft on the basis of supply of drive current from the control board is electrically connected to the control board.