Dynamic loudspeaker

A loudspeaker (21) comprises a diaphragm (22) having a vibrating portion (215) and an annular conductive portion (28), a current feeding coil (23) facing the conductive portion (28) with a predetermined magnetic gap, and a magnetic circuit (24, 25, 26, 211) comprising a top plate (24), a magnet (25)...

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Bibliographic Details
Main Authors SOGAWA, HIROYUKI, INANAGA, KIYOFUMI, TSUKAMOTO, SHIRO
Format Patent
LanguageEnglish
French
German
Published 02.12.1998
Edition6
Subjects
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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