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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Publication of ES329103A1publicationCriticalpatent/ES329103A1/en
Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups
(AREA)
Diaphragms For Electromechanical Transducers
(AREA)
Abstract
An electrodynamic transducer device, characterized in that the diaphragm and its throat part are constructed, without pressure, of a hardenable synthetic material, for example, an epoxy resin, the connection of the mobile coil being produced by means of synthetic material. (Machine-translation by Google Translate, not legally binding)
ES0329103A1965-07-161966-07-14An electrodynamic transducer device. (Machine-translation by Google Translate, not legally binding)
ExpiredES329103A1
(en)