BE382688A - - Google Patents

Info

Publication number
BE382688A
BE382688A BE382688DA BE382688A BE 382688 A BE382688 A BE 382688A BE 382688D A BE382688D A BE 382688DA BE 382688 A BE382688 A BE 382688A
Authority
BE
Belgium
Application number
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.)
Publication date
Publication of BE382688A publication Critical patent/BE382688A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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
    • H04R1/283—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm
    • H04R1/2834—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
BE382688D 1931-09-15 BE382688A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE382688T 1931-09-15

Publications (1)

Publication Number Publication Date
BE382688A true BE382688A (enrdf_load_html_response) 1931-11-30

Family

ID=44278972

Family Applications (1)

Application Number Title Priority Date Filing Date
BE382688D BE382688A (enrdf_load_html_response) 1931-09-15

Country Status (1)

Country Link
BE (1) BE382688A (enrdf_load_html_response)

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