BE734592A - - Google Patents

Info

Publication number
BE734592A
BE734592A BE734592DA BE734592A BE 734592 A BE734592 A BE 734592A BE 734592D A BE734592D A BE 734592DA BE 734592 A BE734592 A BE 734592A
Authority
BE
Belgium
Prior art keywords
length
pipe
enclosure
sound
acoustic
Prior art date
Application number
Other languages
English (en)
French (fr)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE734592A publication Critical patent/BE734592A/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
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
BE734592D 1969-06-16 1969-06-16 BE734592A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE734592 1969-06-16

Publications (1)

Publication Number Publication Date
BE734592A true BE734592A (https=) 1969-12-01

Family

ID=3854906

Family Applications (1)

Application Number Title Priority Date Filing Date
BE734592D BE734592A (https=) 1969-06-16 1969-06-16

Country Status (1)

Country Link
BE (1) BE734592A (https=)

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