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US 9,038,769 B2Granted
Sound absorbing body and electronic device
AssigneeSeiko Epson Corporation
InventorKiyoshi Tsujino
Life of this patent
Estimating the term…
Abstract
A sound absorbing body includes parts of different densities including a plurality of non-dense parts of lower density and a plurality of dense parts of higher density. The non-dense parts and the dense parts are alternately laminated obliquely.
Claims7
A sound absorbing body comprising:
- parts of different densities including a plurality of non-dense parts of lower density and a plurality of dense parts of higher density with the non-dense parts and the dense parts being alternately laminated obliquely,
- the non-dense parts having the same first volumetric mass density,
- the dense parts having the same second volumetric mass density greater than the same first volumetric mass density.
Dependencies are inferred from the claim text.