LOUDSPEAKER, LOUDSPEAKER SYSTEM, STEREO LOUDSPEAKER SYSTEM, AND ON-BOARD STEREO LOUDSPEAKER SYSTEM

A speaker (51) includes a vibrating body (67) having an annular valley portion (Qa) recessed rearward and a diffuser (9) having an annular or arcuate base part (9b), which is positioned so that an end (9c) of the base part (9b) on the side of the vibrating body (67) is opposed to the valley portion...

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Bibliographic Details
Main Authors INAGAKI, Kazuyuki, NEGISHI, Yuji
Format Patent
LanguageEnglish
French
German
Published 04.11.2020
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:A speaker (51) includes a vibrating body (67) having an annular valley portion (Qa) recessed rearward and a diffuser (9) having an annular or arcuate base part (9b), which is positioned so that an end (9c) of the base part (9b) on the side of the vibrating body (67) is opposed to the valley portion (Qa). The base part (9b) is provided, at the end (9c) on the side of the vibrating body (67), with one or more recessed parts (E) from which distance to the vibrating body (67) is larger than a distance of the other portion of the end to the vibrating body (67).
Bibliography:Application Number: EP20180897803