US Patent 7542583 Loudspeaker
Patent 7542583 was granted and assigned to Panasonic on June, 2009 by the United States Patent and Trademark Office.
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Patent Inventor Names
Osamu Funahashi0
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Patent abstract
A loudspeaker has a configuration in which edge diameter in the cross section of second edge coupled to suspension holder is set to be larger than edge diameter in the cross section of first edge coupled to diaphragm. With such a configuration, a loudspeaker with reduced harmonic distortion is provided.
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US Patent 07542583 Loudspeaker US Patent 7542583 Loudspeaker
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Patent Number
07542583
Patent Number
7542583
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US Patent 07542583 Loudspeaker
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Is a
Current assignee
Patent jurisdiction
Patent number
07542583
Date of patent
June 2, 2009
Patent application number
10549424
Date Filed
February 22, 2005
Patent primary examiner
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