BE398484A - - Google Patents

Info

Publication number
BE398484A
BE398484A BE398484DA BE398484A BE 398484 A BE398484 A BE 398484A BE 398484D A BE398484D A BE 398484DA BE 398484 A BE398484 A BE 398484A
Authority
BE
Belgium
Prior art keywords
tube
loudspeaker
board
compartments
width
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE398484A publication Critical patent/BE398484A/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)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
BE398484D BE398484A (online.php)

Publications (1)

Publication Number Publication Date
BE398484A true BE398484A (online.php)

Family

ID=64973

Family Applications (1)

Application Number Title Priority Date Filing Date
BE398484D BE398484A (online.php)

Country Status (1)

Country Link
BE (1) BE398484A (online.php)

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