Acoustic devices
Номер патента: EP3909261A1
Опубликовано: 17-11-2021
Автор(ы): Andrew Reid, Daniel TROTT, James WINDMILL, Joseph Jackson, Kathryn LOMAS, Toby McSweeney
Принадлежит: Hemideina Pty Ltd
Опубликовано: 17-11-2021
Автор(ы): Andrew Reid, Daniel TROTT, James WINDMILL, Joseph Jackson, Kathryn LOMAS, Toby McSweeney
Принадлежит: Hemideina Pty Ltd
Реферат: An acoustic device, comprising: a device body comprising: an acoustic membrane having a first surface and a second surface opposite the first surface; and at least one acoustic cavity formed adjacent the first surface of the acoustic membrane; a plurality of piezoelectric beam resonators supported over the first surface of the acoustic membrane and separated from the first surface by the at least one acoustic cavity, each of the plurality of piezoelectric beam resonators having at least one different natural frequency; wherein each of the plurality of piezoelectric beam resonators is configured to oscillate in response to sound pressure waves incident at the acoustic device.
Acoustic devices
Номер патента: CA3126285A1. Автор: Joseph Jackson,Andrew Reid,Kathryn LOMAS,Toby McSweeney,Daniel TROTT,James WINDMILL. Владелец: Hemideina Pty Ltd. Дата публикации: 2020-07-16.