Invention Grant
US08774449B2 Speaker diaphragm, speaker dust cap, speaker frame, speaker using said parts, and electronic equipment and device using said speaker
有权
扬声器隔膜,扬声器防尘帽,扬声器框架,扬声器使用所述部件,以及使用所述扬声器的电子设备和设备
- Patent Title: Speaker diaphragm, speaker dust cap, speaker frame, speaker using said parts, and electronic equipment and device using said speaker
- Patent Title (中): 扬声器隔膜,扬声器防尘帽,扬声器框架,扬声器使用所述部件,以及使用所述扬声器的电子设备和设备
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Application No.: US13514658Application Date: 2010-12-24
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Publication No.: US08774449B2Publication Date: 2014-07-08
- Inventor: Yoshimichi Kajihara , Yohei Jin , Toru Fujii
- Applicant: Yoshimichi Kajihara , Yohei Jin , Toru Fujii
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: RatnerPrestia
- Priority: JP2009-297405 20091228; JP2010-009773 20100120; JP2010-009774 20100120
- International Application: PCT/JP2010/007468 WO 20101224
- International Announcement: WO2011/080898 WO 20110707
- Main IPC: H04R1/00
- IPC: H04R1/00 ; H04R31/00 ; H04R7/12

Abstract:
Each of a speaker diaphragm, a dust cap, and a frame includes a resin and a plant opal that is extracted from a bamboo leaf, and is formed by injection molding or sheet molding. The configuration can enhance stiffness of each of the diaphragm, the dust cap, and the frame and implement high performance.
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