Sound absorption panel

The sound-absorbing panel with embedded sound-reflecting materials enhances low-frequency sound absorption, addressing the limitations of existing panels by achieving efficient sound absorption across all frequencies with a straightforward design.

JP2025102166APending Publication Date: 2025-07-08DAIWA HOUSE INDUSTRY CO LTD
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Patent Information

Application Number
JP2023219443
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-12-26
Publication Date
2025-07-08

AI Technical Summary

Technical Problem

Existing sound-absorbing panels fail to enhance sound absorption power, particularly in the low frequency range, and often require complex configurations.

Method used

A sound-absorbing panel comprising a planar sound-absorbing material with embedded sound-reflecting materials, such as wood, plastic, or metal, arranged in a louver shape and inclined inward, within a frame, to enhance low-frequency sound absorption.

Benefits of technology

The panel efficiently absorbs both high and low-frequency sounds with a simple configuration, improving sound absorption efficiency across the entire frequency range.

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Abstract

To provide a sound absorption panel that can increase the capacity to absorb low-frequency sounds with a simple structure.SOLUTION: A sound absorption panel (2) is arranged in an indoor space. The sound absorption panel (2) includes a planar sound absorption material (20) and multiple sound reflection materials (21) that are embedded in the sound absorption material (20) and are made of materials that reflect sound. The sound reflection materials (21) are shaped to slope toward the inside of the sound absorption material (20).SELECTED DRAWING: Figure 2
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Citation Information

Patent Citations

  • Sound absorbing folded-up ceiling unit

    JP2006265872A

  • Diffused wall body

    JP2021173054A