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

Patent attributes

Current Assignee

Panasonic

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7542583

Patent Inventor Names

Osamu Funahashi0

Date of Patent

June 2, 2009

Patent Application Number

10549424

Date Filed

February 22, 2005

Patent Primary Examiner

‌

Curtis Kuntz

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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