Invention Grant
- Patent Title: Hybrid actuator and multimedia apparatus having the same
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Application No.: US16280945Application Date: 2019-02-20
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Publication No.: US11462199B2Publication Date: 2022-10-04
- Inventor: Cheon Myeong Kim , Sung Chul Jung , Seul Ki Nam
- Applicant: EM-TECH Co., Ltd
- Applicant Address: KR Busan
- Assignee: EM-TECH Co., Ltd
- Current Assignee: EM-TECH Co., Ltd
- Current Assignee Address: KR Busan
- Agency: Murphy, Bilak & Homilier, PLLC
- Priority: KR10-2018-0020429 20180221,KR10-2018-0068982 20180615
- Main IPC: G10K9/122
- IPC: G10K9/122 ; H04R1/22 ; H04R9/02
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.
Public/Granted literature
- US20190259362A1 Hybrid Actuator and Multimedia Apparatus Having the Same Public/Granted day:2019-08-22
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