SOUND COLLECTING DEVICE

A sound collecting device that is located in a first space and collects sounds generated in a second space isolated from the first space by a predetermined plate, comprising a metal plate, a piezoelectric element fixed on an upper surface of the metal plate, a housing that has a tubular shape having...

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Bibliographic Details
Main Authors NAKANISHI, Kensuke, MATSUSHITA, Tsutomu, AWAMURA, Ryuji, HARANO, Hiroyuki
Format Patent
LanguageEnglish
French
German
Published 31.01.2024
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 sound collecting device that is located in a first space and collects sounds generated in a second space isolated from the first space by a predetermined plate, comprising a metal plate, a piezoelectric element fixed on an upper surface of the metal plate, a housing that has a tubular shape having opened upper and lower surfaces, and has an upper end surface adhesively attached to a lower surface of the metal plate and a lower end surface adhesively attached to the predetermined plate, and a vibration pickup terminal that is accommodated in the housing, and comprises a leg part adhesively attached to the lower surface of the metal plate, a shaft part extending downward from the leg part, and a tip part which is formed at a tip of the shaft part in the downward direction and comes into contact with the predetermined plate when the housing is adhesively attached to the predetermined plate.
Bibliography:Application Number: EP20210170481