Invention Grant
- Patent Title: Loudspeaker diaphragm, loudspeaker, and production method for loudspeaker diaphragm
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Application No.: US16031496Application Date: 2018-07-10
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Publication No.: US10484794B2Publication Date: 2019-11-19
- Inventor: Tetsushi Itano , Seiji Takagi , Kenji Endou , Kazuaki Nishimura , Makoto Kurozawa
- 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: JP2016-014781 20160128
- Main IPC: H04R7/12
- IPC: H04R7/12 ; H04R31/00 ; B29C45/00 ; B29C45/56 ; B29K23/00 ; B29K309/10 ; B29K509/08 ; B29L31/38
Abstract:
A loudspeaker diaphragm includes resin and hollow glass member particles contained in the resin. Further, a loudspeaker includes the above-described loudspeaker diaphragm, a magnetic circuit, a frame connected to the magnetic circuit, and a voice coil body having one end connected to the loudspeaker diaphragm and the other end disposed inside a magnetic gap in the magnetic circuit.
Public/Granted literature
- US20180324526A1 LOUDSPEAKER DIAPHRAGM, LOUDSPEAKER, AND PRODUCTION METHOD FOR LOUDSPEAKER DIAPHRAGM Public/Granted day:2018-11-08
Information query
