To attenuate or extinguish wind noise generated when a propeller of a flying object, such as a drone, rotates.SOLUTION: A noise suppressor generates a sound wave of an inverse phase with respect to wind noise generated by a propeller of a flying object, in order to attenuate or extinguish the wind noise generated by the propeller.SELECTED DRAWING: Figure 1

    【課題】ドローンなどの飛行物体のプロペラが回転する際に発生する風切音を減衰あるいは消滅を可能とする。【解決手段】飛行物体のプロペラが発生する風切音と逆位相の音波を発生して、プロペラが発生する風切音を減衰または消滅させる消音装置。【選択図】図1


    Access

    Download


    Export, share and cite



    Title :

    DRONE NOISE SUPPRESSOR


    Additional title:

    ドローン消音装置


    Contributors:

    Publication date :

    2024-11-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B64U



    NOISE SUPPRESSOR

    YONEYAMA ATSUSHI / NISHIMURA RYUTA / HIRAHARA ANNA | European Patent Office | 2023

    Free access

    Jet noise suppressor

    SHEN HAO / LAKEBRINK MATTHEW T / GARRETT TIMOTHY M | European Patent Office | 2021

    Free access

    ACTIVE NOISE SUPPRESSOR

    MITSUHATA SHINSUKE | European Patent Office | 2016

    Free access

    JET NOISE SUPPRESSOR

    SHEN HAO / LAKEBRINK MATTHEW T / GARRETT TIMOTHY M | European Patent Office | 2021

    Free access

    Jet noise suppressor

    MOORE MATTHEW D / BOREN KELLY L / SHEN HAO et al. | European Patent Office | 2017

    Free access