Title:
TUNING PANEL
Document Type and Number:
Japanese Patent JP2021165819
Kind Code:
A
Abstract:
To widen the frequency band and incident angle range where diffusion performance is effective, and add sound absorption performance in a wide frequency band, while maintaining ease of design and construction of a one-dimensional rib structure.SOLUTION: A tuning panel is provided with a first lattice frame 20 provided so that a plurality of first bar members 16 extend parallel to each other, and a grid frame 30 which is laminated on the first lattice frame 20 and provided with a plurality of second bar members 26 extending parallel to each other. Each first bar member 16 and each second bar member 26 are arranged so as to intersect at a predetermined angle.SELECTED DRAWING: Figure 3
More Like This:
| WO/2018/037959 | SOUNDPROOF STRUCTURE AND OPENING STRUCTURE |
| JPS5293302 | SOUND ABSORBING WALL |
Inventors:
MATANO SUKEYOSHI
YANO HIROAKI
MORI NORIMICHI
YOSHIDA TAKUYA
UEDA YASUTAKA
YANO HIROAKI
MORI NORIMICHI
YOSHIDA TAKUYA
UEDA YASUTAKA
Application Number:
JP2020069880A
Publication Date:
October 14, 2021
Filing Date:
April 08, 2020
Export Citation:
Assignee:
DAIKEN CORP
HAZAMA ANDO CORP
HAZAMA ANDO CORP
International Classes:
G10K11/16; G10K11/172
Domestic Patent References:
| JP2009050707A | 2009-03-12 | |||
| JP2000303614A | 2000-10-31 | |||
| JP2009139555A | 2009-06-25 | |||
| JP2007256749A | 2007-10-04 | |||
| JP2012012881A | 2012-01-19 |
Foreign References:
| KR20190035117A | 2019-04-03 | |||
| EP1109150A2 | 2001-06-20 | |||
| KR20110040996A | 2011-04-21 |
Attorney, Agent or Firm:
Maeda patent office