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. 28, 2017
Filed:
Feb. 24, 2014
Applicant:
National Chung Cheng University, Chia-Yi, TW;
Inventor:
Chien-Sheng Liu, Tainan, TW;
Assignee:
NATIONAL CHUNG CHENG UNIVERSITY, Chia-yi, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2006.01); G02B 7/08 (2006.01); G02B 13/00 (2006.01);
U.S. Cl.
CPC ...
G02B 7/08 (2013.01); G02B 13/009 (2013.01);
Abstract
A springless voice coil actuator is provided. The springless voice coil includes a base, a coil, a guiding rod, a slidable base, a main magnetic component and a balance magnetic component. The coil is disposed on the base. The guiding rod is disposed on the base. The slidable base is for sliding along the guiding rod to a predetermined direction. The main magnetic component is connected to the slidable base. The balance magnetic component is coupled with the main magnetic component for generating a magnetic induction.