Invention Grant
- Patent Title: Diaphragm for planar speaker and planar speaker
- Patent Title (中): 平面扬声器和平面扬声器的隔膜
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Application No.: US11908246Application Date: 2006-03-09
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Publication No.: US08144918B2Publication Date: 2012-03-27
- Inventor: Hiroshi Ikeda , Toshiya Hikami , Toshimitsu Nishiwaki
- Applicant: Hiroshi Ikeda , Toshiya Hikami , Toshimitsu Nishiwaki
- Applicant Address: JP Tokyo
- Assignee: The Furukawa Electric Co., Ltd.
- Current Assignee: The Furukawa Electric Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2005-065682 20050309; JP2006-059974 20060306
- International Application: PCT/JP2006/304600 WO 20060309
- International Announcement: WO2006/095814 WO 20060914
- Main IPC: H04R1/00
- IPC: H04R1/00 ; H04R25/00
Abstract:
A diaphragm for a planar speaker and a planar speaker having a long-term stability and a high reliability and exhibiting a flat sound pressure frequency property. The diaphragm for a planar speaker includes a voice coil formed by winding a wire conductor, two adhesive layers sandwiching the voice coil therebetween, and bases bonded to the two adhesive layers on the side opposite to the voice coil. The planar speaker employs the diaphragm.
Public/Granted literature
- US20080087493A1 Diaphragm For Planar Speaker And Planar Speaker Public/Granted day:2008-04-17
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