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Priority to ES82139UpriorityCriticalpatent/ES82139Y/en
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Publication of ES82139YpublicationCriticalpatent/ES82139Y/en
Diaphragms For Electromechanical Transducers
(AREA)
Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups
(AREA)
Abstract
Improved loudspeaker membrane, characterized in that it is provided with at least one acoustic cavity resonator determined by domed screens placed on the concave face of the cone forming the loudspeaker's own membrane, at height and with convenient distribution with its concavity facing that of said cone, each of which, covering all or part of the face thereof, has an appropriate contour opening on its front surface, for the emission of the exterior sound. (Machine-translation by Google Translate, not legally binding)
ES82139U1960-01-201960-01-20
Improvements in the speakers
ExpiredES82139Y
(en)