Document Type and Number:
Japanese Patent JPWO2022038877
Kind Code:
A1
Abstract:
A speaker device 1 for vehicles is provided with an interior material 2, an auxiliary plate 3, and an exciter 4. The interior material 2 contains a first resin 21 and has minute voids V1 inside. The auxiliary plate 3 contains carbon fibers 31 and a second resin (for example, thermoplastic resin fibers 32), is fixed to a back surface 2b of the interior material 2, and functions as a vibration plate along with the interior material 2. The exciter 4 is in contact with a back surface 3b of the auxiliary plate 3 and transfers vibrations to the auxiliary plate 3.
Application Number:
JP2022543296A
Publication Date:
February 24, 2022
Filing Date:
June 14, 2021
Export Citation:
