Sound absorbing structure for anechoic chamber and anechoic chamber including the same
US10510331B2 · kind B2 · utility
0Cited by
11References
16Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 9, 2017 |
| Grant date | Dec 17, 2019 |
| Priority date | — |
| Expiry date | Oct 25, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B2001/8419
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
This technology provides a sound absorbing structure comprising: an outer frame including an opening; a perforated plate member formed in the outer frame and including a rear surface facing the opening of the outer frame and a front surface opposite to the rear surface; and a rear sound absorber interposed between the rear surface of the perforated plate member and the opening of the outer frame, and an anechoic chamber comprising: a wall, a ceiling and a floor; and a plurality of sound absorbing structures of the embodiment fixed to at least the wall and the ceiling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.