Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tomoyasu Takase0
Shigeru Tomoeda0
Takanori Fukuyama0
Takeshi Shimokawatoko0
Hiroshi Yano0
Kazuki Honda0
Kazutaka Kubo0
Kazuya Yamasaki0
...
Date of Patent
February 1, 2011
0Patent Application Number
124645300
Date Filed
May 12, 2009
0Patent Primary Examiner
Patent abstract
An edge (29) for supporting a diaphragm assembly (100) with respect to a frame (26) is bonded to the frame (26) along the outer periphery thereof and joined to a diaphragm (27) in a position more peripherally inward than a voice coil (28) along the inner periphery thereof. The edge (29) partly overlaps diaphragm (27). This structure allows downsizing of the speaker, without reducing the sizes of a permanent magnet (21) and the edge (29).
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