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:
Aug. 20, 2019
Filed:
Oct. 26, 2016
Jahwa Electronics Co., Ltd., Chungcheongbuk-do, KR;
Nam Jin Choi, Chungcheongbuk-do, KR;
Kyung Hoon Jo, Chungcheongbuk-do, KR;
Soon Koo Shim, Chungcheongbuk-do, KR;
Young Bin Chong, Chungcheongbuk-do, KR;
Won Gook Lee, Chungcheongbuk-do, KR;
Min Goo Lee, Chungcheongbuk-do, KR;
JAHWA ELECTRONICS CO., LTD., Chungcheongbuk-Do, KR;
Abstract
A vibration actuator includes a bracket coupled to a case to form an inner space; a stator having a circuit board coupled to an upper surface of the bracket, a coil connected to the circuit board, and a yoke provided in the coil; a vibrator having a permanent magnet disposed at an outer side of the coil and a weight coupled to an outer circumference of the permanent magnet; an elastic member configured to connect the stator and the vibrator and elastically support the vibrator; and a non-magnetic damper provided between the weight and the elastic member.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile