MINIATURE VOICE COIL HAVING HELICAL LEAD-OUT FOR ELECTRO-ACOUSTIC TRANSDUCER

An electro-acoustic driver comprises a sleeve having a first end and a second end; a voice coil within the sleeve; a magnetic assembly in magnetic communication with the voice coil in the sleeve between the first end and the second end; a mandrel element about a portion of the magnetic assembly; and...

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Bibliographic Details
Main Author BEVERLY, David W
Format Patent
LanguageEnglish
French
German
Published 14.08.2019
Subjects
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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Summary:An electro-acoustic driver comprises a sleeve having a first end and a second end; a voice coil within the sleeve; a magnetic assembly in magnetic communication with the voice coil in the sleeve between the first end and the second end; a mandrel element about a portion of the magnetic assembly; and a conductive wire extending from the voice coil, the conductive wire having a first region at the first end of the sleeve, a second region at the voice coil, and a third region substantially (a) in the shape of a helix between the voice coil and the mandrel element, and (b) unsupported between the voice coil and the mandrel element.
Bibliography:Application Number: EP20170730617