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US 12,123,188 B2Granted
Panel, system, and use for concealing sound absorbing surface and method of producing of the same
AssigneeKnauf Gips KG
InventorsKlaudius Hengst, Ruth Schnobrich, Klaus Holfelder
Life of this patent
Estimating the term…
Abstract
A panel with one or more perforations, having a front surface, wherein the contrast Cm between the front surface and the one or more perforations is less than 0.3, a sound absorbing system including a panel and a masking layer, wherein the masking layer is air permeable, and the use of the panel or the sound absorbing system.
Claims15
A panel comprising:
- one or more perforations, and a front surface, wherein the Michelson contrast Cm between the front surface and the one or more perforations is less than 0.3, wherein the Michelson contrast is defined as:
- Cm=(Lb−Ld)/(Lb+Ld),
- wherein Lb is the high luminance of the panel and Ld is the low luminance of the one or more perforations.
Dependencies are inferred from the claim text.