Invention Grant
- Patent Title: Speaker device
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Application No.: US16717264Application Date: 2019-12-17
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Publication No.: US11076223B2Publication Date: 2021-07-27
- Inventor: Shinichi Ikeda , Shizuka Ishigaki
- Applicant: DENSO TEN Limited
- Applicant Address: JP Kobe
- Assignee: DENSO TEN Limited
- Current Assignee: DENSO TEN Limited
- Current Assignee Address: JP Kobe
- Agency: Oliff PLC
- Priority: JPJP2019-031849 20190225,JPJP2019-035801 20190228
- Main IPC: H04R1/28
- IPC: H04R1/28 ; H04R17/00

Abstract:
A speaker device in an embodiment includes a panel and an actuator. The actuator is provided on the panel. The actuator includes a diaphragm, a piezoelectric element, and a vibration transmission portion. The piezoelectric element is provided on at least one of principal surfaces of the diaphragm. The vibration transmission portion is provided on the diaphragm and abuts the panel without making contact with the piezoelectric element.
Public/Granted literature
- US20200275194A1 SPEAKER DEVICE Public/Granted day:2020-08-27
Information query
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