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:
Jul. 27, 2021
Filed:
Jan. 03, 2019
Applicant:
Korea Institute of Science and Technology, Seoul, KR;
Inventors:
Jaeyoung Park, Seoul, KR;
Sangyoon Kim, Seoul, KR;
Assignee:
Korea Institute of Science and Technology, Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 7/00 (2006.01); H01F 7/16 (2006.01); H01F 7/10 (2006.01); H01F 7/08 (2006.01); G08B 6/00 (2006.01);
U.S. Cl.
CPC ...
H01F 7/16 (2013.01); H01F 7/081 (2013.01); H01F 7/10 (2013.01); G08B 6/00 (2013.01);
Abstract
An impact actuator with 2-degree of freedom, which may generate an impact stimulation in any direction on the plane, includes a body having a magnetic substance that is movable therein, one upper solenoid attached to an upper portion of the body, and three or more lower solenoids attached to a lower portion of the body, wherein the upper solenoid and the three or more lower solenoids are independently supplied with AC power from a power supply, respectively.