BE381632A - - Google Patents

Info

Publication number
BE381632A
BE381632A BE381632DA BE381632A BE 381632 A BE381632 A BE 381632A BE 381632D A BE381632D A BE 381632DA BE 381632 A BE381632 A BE 381632A
Authority
BE
Belgium
Prior art keywords
membrane
waves
amplifier according
aforesaid
periphery
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE381632A publication Critical patent/BE381632A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
    • H04R1/2842—Enclosures comprising vibrating or resonating arrangements of the bandpass type for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Percussion Or Vibration Massage (AREA)
BE381632D BE381632A (th)

Publications (1)

Publication Number Publication Date
BE381632A true BE381632A (th)

Family

ID=51146

Family Applications (1)

Application Number Title Priority Date Filing Date
BE381632D BE381632A (th)

Country Status (1)

Country Link
BE (1) BE381632A (th)

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