Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Iberia Radio SA
Original Assignee
Iberia Radio SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Iberia Radio SAfiledCriticalIberia Radio SA
Priority to ES0234280ApriorityCriticalpatent/ES234280A3/en
Publication of ES234280A3publicationCriticalpatent/ES234280A3/en
Diaphragms For Electromechanical Transducers
(AREA)
Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups
(AREA)
Abstract
Improvements in the loudspeakers, of the class comprising an elliptical section membrane, as defined above, characterized in that said membrane is provided, between the loudspeaker housing connection plate and the cone itself, with a plurality of corrugations, of which one extend around the perimeter of the membrane, while others are limited to areas of maximum curvature, so that in the areas of least curvature only ripples are found that extend around the perimeter of the membrane . (Machine-translation by Google Translate, not legally binding)
ES0234280A1957-03-161957-03-16Improvements in loudspeakers (Machine-translation by Google Translate, not legally binding)
ExpiredES234280A3
(en)