SOUND GENERATING DEVICE AND ELECTRONIC EQUIPMENT

An electronic device 10 is provided with a main surface member 20 which is used as a vibrating plate, a case 30 which supports the main surface member 20 and a sound generating unit 50 which is attached to the case 30 to generate sound by vibrating the main surface member 20. The sound generating un...

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Bibliographic Details
Main Authors IKEZAWA, Noriaki, KATSUNO, Masafumi, KUMASAKA, Katsunori, YAMAZAKI, Osamu, SHUTA, Koichi, ABE, Yoshiyuki
Format Patent
LanguageEnglish
French
German
Published 27.09.2017
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 electronic device 10 is provided with a main surface member 20 which is used as a vibrating plate, a case 30 which supports the main surface member 20 and a sound generating unit 50 which is attached to the case 30 to generate sound by vibrating the main surface member 20. The sound generating unit 50 is provided with a piezoelectric plate 60 and a protective member 90. The piezoelectric plate 60 has a longitudinal direction in a first horizontal direction and has an upper surface, a lower surface and a plurality of side surfaces. The protective member 90 has a supporting portion 92 covering the lower surface of the piezoelectric plate 60 and supporting the piezoelectric plate 60, a protective portion 93 provided to the supporting portion 92 to cover at least one of the side surfaces of the piezoelectric plate 60 and an attached portion 94 attached to the case 30.
Bibliography:Application Number: EP20150860250