BE548332A - - Google Patents

Info

Publication number
BE548332A
BE548332A BE548332DA BE548332A BE 548332 A BE548332 A BE 548332A BE 548332D A BE548332D A BE 548332DA BE 548332 A BE548332 A BE 548332A
Authority
BE
Belgium
Prior art keywords
vibrating
arrangement according
systems
blades
vibrating body
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE548332A publication Critical patent/BE548332A/fr

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Vibration Prevention Devices (AREA)
BE548332D BE548332A (pl)

Publications (1)

Publication Number Publication Date
BE548332A true BE548332A (pl)

Family

ID=174971

Family Applications (1)

Application Number Title Priority Date Filing Date
BE548332D BE548332A (pl)

Country Status (1)

Country Link
BE (1) BE548332A (pl)

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