Title:
SPEAKER DEVICE
Document Type and Number:
Japanese Patent JP2022087771
Kind Code:
A
Abstract:
To provide a speaker device structured by a piezo speaker in a high-pitched sound region and a dynamic speaker in a bass range, in which an interference between an output of the piezo speaker and an output of the dynamic speaker is suppressed, and the size of speaker device is reduced.SOLUTION: An oscillation film of a piezo speaker 1, provided to a front surface of a housing 7 is oscillated by a dynamic speaker 2 provided so that all of them are existed in an inner part of the housing via a resonance space 3 provided to a back part of the piezo speaker 1.SELECTED DRAWING: Figure 2
Inventors:
ISHIZAKI NAOKI
Application Number:
JP2020209709A
Publication Date:
June 13, 2022
Filing Date:
December 01, 2020
Export Citation:
Assignee:
ISHIZAKI NAOKI
International Classes:
H04R1/26; H04R1/02; H04R1/24; H04R17/00