Loudspeaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic

Reexamination Certificate

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C381S404000, C181S172000

Reexamination Certificate

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07542583

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.

REFERENCES:
patent: 2002/0051558 (2002-05-01), Kuze et al.
patent: 2003/0185415 (2003-10-01), Funahashi et al.
patent: 2004/0165746 (2004-08-01), Kreitmeier et al.
patent: 2004/0218778 (2004-11-01), Weisman
English translation of Search Report Form PCA/ISA/210, Jun. 7, 2005 (from WIPO).

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