BE367475A - - Google Patents

Info

Publication number
BE367475A
BE367475A BE367475DA BE367475A BE 367475 A BE367475 A BE 367475A BE 367475D A BE367475D A BE 367475DA BE 367475 A BE367475 A BE 367475A
Authority
BE
Belgium
Prior art keywords
keys
loudspeaker
tones
loudspeakers
sound
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE367475A publication Critical patent/BE367475A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/26Spatial arrangements of separate transducers responsive to two or more frequency ranges

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Toys (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
BE367475D BE367475A (env)

Publications (1)

Publication Number Publication Date
BE367475A true BE367475A (env)

Family

ID=39433

Family Applications (1)

Application Number Title Priority Date Filing Date
BE367475D BE367475A (env)

Country Status (1)

Country Link
BE (1) BE367475A (env)

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