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:
May. 11, 2004
Filed:
Dec. 21, 2001
Applicant:
Inventors:
Ta Kyoung Lee, Suwon-Shi, KR;
Woo Seok Yang, Suwon-Shi, KR;
Assignee:
Samsung Electro-Mechanics Co., Ltd., Kyungki-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/314 ;
U.S. Cl.
CPC ...
H02K 1/314 ;
Abstract
A vibration motor having a rotor and a stator is provided. The vibration motor includes a commutator mounted on the rotor and a brush mounted on the stator. The brush is line contact with the commutator of rotor in order to maintain a stable contact between the commutator and the brush and to reduce spark between the commutator and the brush due to the stable line contact between the commutator and the brush.