An acoustic device comprises a suspended sheet (1) of a thin flexible material having a rigid elongate member (4) secured thereto, for example along an edge thereof, an audio frequency actuator (5) acoustically coupled to an end of the elongate member, and means (6) for supplying the audiofrequency actuator with an audio signal.
申请公布号
WO03019976(A2)
申请公布日期
2003.03.06
申请号
WO2002GB03851
申请日期
2002.08.21
申请人
NEWLANDS TECHNOLOGY LIMITED;JOHNSON, DAVID, ANTHONY;METHERINGHAM, WILLIAM, JOHN
发明人
JOHNSON, DAVID, ANTHONY;METHERINGHAM, WILLIAM, JOHN