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:
Oct. 24, 2023
Filed:
Sep. 10, 2020
Applicant:
Asustek Computer Inc., Taipei, TW;
Inventor:
Lai-Shi Huang, Taipei, TW;
Assignee:
ASUSTEK COMPUTER INC., Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02N 1/00 (2006.01); H04R 19/01 (2006.01);
U.S. Cl.
CPC ...
H02N 1/006 (2013.01); H02N 1/00 (2013.01); H04R 19/01 (2013.01);
Abstract
An actuator is provided, including a plurality of conducting layers and a plurality of electret layers. The electret layers are respectively sandwiched between the conducting layers, and form gaps between the conducting layers. Directions of preset electric fields of the adjacent electret layers are opposite, and the adjacent conducting layers are respectively electrically connected to a first voltage end and a second voltage end to receive a driving voltage.