Title:
ACOUSTIC DEVICE, AND ACOUSTIC SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/019091
Kind Code:
A1
Abstract:
An acoustic device 2 includes: a three-dimensional network structure 7 in which filaments 70 formed from a resilient resin are each looped or curled randomly, are fusion bonded to one another, and are intertwined and gathered together; at least one speaker 5 for generating sound waves; and a plate-shaped resonance plate 6. The three-dimensional network structure 7 includes a top surface 73 which comes into direct or indirect contact with the human body, and an inner surface 74 opposing the top surface 73. The speaker 5 includes a vibrating portion 51 facing the inner surface 74 of the three-dimensional network structure 7, and a frame portion 52 for holding the vibrating portion 51 in such a way as to be capable of vibrating. The frame portion 52 is attached to one surface 611 of the resonance plate 6 with a resilient attachment material 8 interposed therebetween.
Inventors:
NISHIBORI SADAO (JP)
Application Number:
PCT/JP2021/025150
Publication Date:
January 27, 2022
Filing Date:
July 02, 2021
Export Citation:
Assignee:
AIN KOUSAN CO LTD (JP)
International Classes:
H04R1/00; A47C27/00; G10K11/24; H04R1/02; H04R1/28
Domestic Patent References:
| WO2005030011A1 | 2005-04-07 | |||
| WO2006109389A1 | 2006-10-19 |
Foreign References:
| JPH09247780A | 1997-09-19 | |||
| JPH0833077A | 1996-02-02 | |||
| JPS497991B1 | 1974-02-23 |
Attorney, Agent or Firm:
MATSUSHITA Masahiro (JP)
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