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:
Apr. 25, 2017
Filed:
Sep. 30, 2014
Applicant:
Nidec Copal Corporation, Tokyo, JP;
Inventors:
Shin Odajima, Tokyo, JP;
Yuki Shoda, Tokyo, JP;
Masaaki Takagi, Tokyo, JP;
Yoshihide Tonogai, Tokyo, JP;
Assignee:
NIDEC COPAL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 1/00 (2006.01); B06B 1/04 (2006.01);
U.S. Cl.
CPC ...
B06B 1/045 (2013.01);
Abstract
A vibration actuator includes: a movable element that includes a magnet and moves reciprocatingly; first and second coils arranged to surround the magnet; a housing that includes a bottom portion and a lid portion that oppose each other in a movement direction of the movable element; and a plate-like magnetic body arranged at bottom portion of the housing, magnetic attraction being generated between the plate-like magnetic body and the magnet, and the movable element being drawn towards the bottom portion side.