Invention Grant
- Patent Title: Speaker diaphragm and method of manufacturing speaker diaphragm
- Patent Title (中): 扬声器隔膜和制造扬声器隔膜的方法
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Application No.: US11457681Application Date: 2006-07-14
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Publication No.: US07546897B2Publication Date: 2009-06-16
- Inventor: Toru Takebe , Kunihiko Tokura , Masaru Uryu
- Applicant: Toru Takebe , Kunihiko Tokura , Masaru Uryu
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
- Priority: JP2005-211522 20050721
- Main IPC: H04R1/00
- IPC: H04R1/00 ; H04R7/00
Abstract:
A speaker diaphragm made of a resin containing a thermoplastic polymeric material is provided. The speaker diaphragm includes a changed portion formed on the diaphragm that is molded using the resin. The changed portion is formed by partially changing physical properties of the thermoplastic polymeric material for dispersing local vibrations based on a characteristic of local vibrations measured in advance.
Public/Granted literature
- US20070017736A1 SPEAKER DIAPHRAGM AND METHOD OF MANUFACTURING SPEAKER DIAPHRAGM Public/Granted day:2007-01-25
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