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. 04, 2022
Filed:
Feb. 20, 2019
Applicant:
Em-tech Co., Ltd, Busan, KR;
Inventors:
Cheon Myeong Kim, Gyeongsangnam-do, KR;
Sung Chul Jung, Gyeongsangnam-do, KR;
Seul Ki Nam, Gyeongsangnam-do, KR;
Assignee:
EM-TECH. CO., LTD., Busan, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10K 9/122 (2006.01); H04R 1/22 (2006.01); H04R 9/02 (2006.01);
U.S. Cl.
CPC ...
G10K 9/122 (2013.01); H04R 1/22 (2013.01); H04R 9/025 (2013.01);
Abstract
A hybrid actuator includes a housing for defining an external appearance, a stator having a coil, a vibrator having a permanent magnet which vibrates due to a mutual electromagnetic force with the stator, an elastic member for elastically supporting the vibrator relative to the housing, and a piezoelectric element attached to one surface of the housing.