SOUND TRANSDUCER

To provide a sound transducer 1 with high sound pressure level and high directivity.SOLUTION: A sound transducer 1 includes a diaphragm 6 having a plurality of cutouts 60, and a piezoelectric drive unit 7 which is an example of a plurality of vibrators arranged on the diaphragm 6 and driving the dia...

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Bibliographic Details
Main Authors YOKOTA WATARU, AKANUMA GOICHI
Format Patent
LanguageEnglish
Japanese
Published 29.08.2022
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:To provide a sound transducer 1 with high sound pressure level and high directivity.SOLUTION: A sound transducer 1 includes a diaphragm 6 having a plurality of cutouts 60, and a piezoelectric drive unit 7 which is an example of a plurality of vibrators arranged on the diaphragm 6 and driving the diaphragm 6, and an arrangement portion 61 of the diaphragm 6, in which at least one piezoelectric drive unit 7 from among the plurality of piezoelectric drive units 7 is arranged, is formed between at least two adjacent cutouts 60 from among the plurality of cutouts 60, and supported on both sides.SELECTED DRAWING: Figure 1 【課題】音圧レベルが高く、かつ指向性の高い音響変換器１を提供すること。【解決手段】音響変換器１は、複数の切欠６０が形成された振動板６と、振動板６上に配置されて振動板６を駆動する複数の振動体の一例である圧電駆動部７と、を備え、複数の圧電駆動部７のうち少なくとも１つの圧電駆動部７が配置される振動板６における配置部６１は、複数の切欠６０のうちの少なくとも２つの隣接する切欠６０の間に形成され、両持ち支持される。【選択図】図１
Bibliography:Application Number: JP20210023186