Invention Grant
- Patent Title: Loudspeaker and mobile device incorporating same
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Application No.: US15023311Application Date: 2015-08-21
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Publication No.: US09894443B2Publication Date: 2018-02-13
- Inventor: Kazuki Honda , Mitsukazu Kuze
- Applicant: Panasonic Intellectual Property Management Co., Ltd.
- Applicant Address: JP Osaka
- Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Current Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Current Assignee Address: JP Osaka
- Agency: Greenblum & Bernstein, P.L.C.
- Priority: JP2014-183938 20140910
- International Application: PCT/JP2015/004193 WO 20150821
- International Announcement: WO2016/038812 WO 20160317
- Main IPC: H04R9/04
- IPC: H04R9/04 ; H04R9/06 ; H04R7/04 ; H04R7/18 ; H04R9/02
Abstract:
A loudspeaker includes a frame, a diaphragm, an edge, a magnetic circuit, and a voice coil body. The magnetic circuit includes a magnet and a bottom plate. The bottom plate includes an installation part and a plurality of arms. The installation part is located on the first side of the magnet and is magnetically connected to the magnet. The arms project from the installation part toward the outer periphery and are connected to the frame.
Public/Granted literature
- US20160249137A1 LOUDSPEAKER AND MOBILE DEVICE INCORPORATING SAME Public/Granted day:2016-08-25
Information query
