Method and Equipment for Attenuating Sound in a Duct

Seppo Uosukainen (Inventor), Vesa Välimäki (Inventor), Kari Kirjavainen (Inventor), Jukka Lekkala (Inventor), Hannu Nykänen (Inventor)

    Research output: Patent

    Original languageEnglish
    Patent numberUnited States PatentPatent number: US 6,847,722 B1
    Publication statusPublished - 2005
    MoE publication typeH1 Granted patent

    Keywords

    • acoustic noise
    • acoustic signal processing
    • acoustoelectric devices
    • noise control
    • propagation

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