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Ehmann; Jurgen
Gundelsheim, DE
No. of patents:

Patent Number Title Of Patent Date Issued
5162619 Diaphragm for a loudspeaker November 10, 1992
A membrane for a loudspeaker is designed so as to facilitate manufacture and to improve the tone of the loudspeaker. The membrane consists of a first plastic film (5a) which serves to retain the shape and a second plastic film (56) laminated to the first film which serves to damper p

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