US Patent 7463749 Diaphragm edge of speaker
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Patent Inventor Names
Jong-pyo Lee0
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Patent abstract
Provided is a diaphragm edge of a speaker which is formed by compressing a material including silicon rubber and has an emboss portion on a front surface thereof so that sensitivity of sound is improved. Also, a diaphragm edge of a speaker is formed by compressing a material including silicon rubber and powdered viscose rayon and has an emboss on a front surface thereof.
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US Patent 07463749 Diaphragm edge of speaker US Patent 7463749 Diaphragm edge of speaker
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Patent Number
074637490
Patent Number
74637490
Edits on 26 May, 2023
Golden AI
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Patent Jurisdiction
Patent Number
074637490
Date of Patent
December 9, 2008
0Patent Application Number
107816650
Date Filed
February 20, 2004
0Official Website
Patent Primary Examiner
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US Patent 07463749 Diaphragm edge of speaker
Infobox
Is a
Patent jurisdiction
Patent number
07463749
Date of patent
December 9, 2008
Patent application number
10781665
Date Filed
February 20, 2004
Patent primary examiner
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