Planar audio transducer

Details Planar audio transducer Planar audio transducer

H - Electricity

04

R

349/72

H04R 9/06 (2006.01) H04R 7/04 (2006.01) H04R 9/02 (2006.01) H04R 9/04 (2006.01)

Patent

CA 1045707

PLANAR AUDIO TRANSDUCER Abstract An improved planar audio transducer or loudspeaker is described. It has a plastic diaphragm with a current carry- ing coil on one surface formed of aluminum conductors. A magnetic field is provided at the conductors from rows of magnets spaced from each other and mounted on opposite sides of the membrane on a pair of outer iron support members. A predetermined positioning of the magnets and a predetermined magnet and diaphragm spacing is provided by magnet mounting grooves in the iron support members and by surrounding the magnets with non-metallic frame members sandwiched between the iron magnet support members add the membrane.

264913

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