Loudspeakers

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Driven diverse static structure

Reexamination Certificate

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C381S386000, C381S398000

Reexamination Certificate

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06985596

ABSTRACT:
A loudspeaker comprising a resonant panel-form member adapted to produce an acoustic output and a vibration exciting system on the panel-form member and adapted to apply bending wave energy thereto, characterized in that the vibration exciting system is adapted to apply a bending couple to the panel-form member.

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Patent Abstract of Japan, vol. 010, No. 228 (E-426), Aug. 8, 1996 & JP 61 061598 A (Matsushita Electric Industries Co., Ltd., Mar. 29, 1986.

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