Acoustic device

Details Acoustic device Acoustic device

2006-09-05

2006-09-05

Ni, Suhan (Department: 2615)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Driven diverse static structure

C381S431000

Reexamination Certificate

active

07103190

ABSTRACT:
An acoustic device has a suspended sheet of a thin flexible material having a rigid rod secured along one edge. An audio frequency actuator, which is preferably a magnetostrictive actuator, is acoustically coupled to an end face of the rod. The audiofrequency actuator is supplied with an audio signal from an audio source such as player device selected from the group which includes a recording tape player, a CD player, a DVD player, and a solid state memory device.

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patent: 5287413 (1994-02-01), Ashworth
patent: 6332029 (2001-12-01), Azima et al.
patent: 6377695 (2002-04-01), Azima et al.
patent: 2003/0147541 (2003-08-01), Bachmann et al.

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