Patent ID: 6434245
Filing Date: 2002-08-13
Classification: H04R

Abstract:
A compound electrolytic loudspeaker assembly comprising:A. a capacitive transducer comprising: a) a compound diaphragm further comprising: 1) a front stator comprising: (a) an outer insulating member having an outer side and an inner side, (b) an inner insulating member having an outer side and an inner side, (c) a conductive layer positioned between the inner side of the outer insulating member and the outer side of the inner insulating member, (d) a plurality of lateral perforations, (e) a front stator electrode in electrical contact with said front stator, 2) a rear stator comprising, (a) an outer insulating member having an outer side and an inner side, (b) an inner insulating member having an outer side and an inner side, (c) a conductive layer located between the inner side of the outer insulating member and the outer side of the inner insulating member, (d) a plurality of lateral perforations, (e) a rear stator electrode in electrical contact with said rear stator, 3) a center diaphragm positioned in a spaced relationship between the inner side of said front stator and the inner side of said rear stator, said center diaphragm comprising: (a) a first film having a conductive surface that faces inward and a non-conductive surface that faces outward, (b) a second film having a conductive surface that faces inward and that interfaces with the conductive surface on the first film, and a non-conductive surface that faces outward, (c) a diaphragm electrode in electrical contact with the first film and the second b) a frame assembly dimensioned to hold said compound diaphragm in a suspended configuration which allows said center diaphragm to flex in a forward and rearward direction, and B. a transducer driver unit which interfaces with said compound diaphragm by means of the front stator electrode, the rear stator electrode and the diaphragm electrode, wherein said unit accepts an incoming audio signal and produces a corresponding signal, which causes said center diaphragm to flex in synchrony with the audio signal to produce an audio output that is applied through said front and rear stators to the outside environment.