Menetelmä ja laitteisto äänen vaimentamiseksi putkessa (Method and Configurationor Sound Attenuation in a Duct, text in Finnish)

Seppo Uosukainen (Inventor), V. Välimäki (Inventor), K. Kirjavainen (Inventor), J. Lekkala (Inventor), H. Nykänen (Inventor)

Research output: Patent

Original languageEnglish
Patent numberFinland, Patent No. 105603
Publication statusPublished - 2000
MoE publication typeH1 Granted patent

Keywords

  • acoustic signal processin
  • active noise cancellation
  • noise control

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