BE378052A - - Google Patents

Info

Publication number
BE378052A
BE378052A BE378052DA BE378052A BE 378052 A BE378052 A BE 378052A BE 378052D A BE378052D A BE 378052DA BE 378052 A BE378052 A BE 378052A
Authority
BE
Belgium
Prior art keywords
membrane
mechanical
systems
oscillating
amplitude
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE378052A publication Critical patent/BE378052A/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 

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)
BE378052D BE378052A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE378052A true BE378052A (enrdf_load_stackoverflow)

Family

ID=48218

Family Applications (1)

Application Number Title Priority Date Filing Date
BE378052D BE378052A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE378052A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
EP1052028A1 (fr) Dispositif résonant, tel que batteur ou génerateur d'efforts
FR3112445A1 (fr) Transducteur electroacoustique
JP3662033B2 (ja) ピックアップ
BE378052A (enrdf_load_stackoverflow)
US1866921A (en) Electrical sound reproducer
BE439377A (enrdf_load_stackoverflow)
FR2479034A1 (fr) Systeme vibrant electromagnetique pouvant fonctionner a de grandes amplitudes
JP3529559B2 (ja) 電気機械音響変換器とそれを用いた携帯端末装置
US1693223A (en) Sound reproducer
US1950857A (en) Mechanical movement transmitting apparatus
US1789270A (en) Adjustable speaker unit
WO2012076773A1 (fr) Transducteur acoustique bi-mode
US1726200A (en) Electromagnetic receiver and transmitter
BE404935A (enrdf_load_stackoverflow)
SU1042209A1 (ru) Электромагнитный преобразователь
US2892187A (en) Sound output control for telephone ringers
BE338752A (enrdf_load_stackoverflow)
CH681067A5 (enrdf_load_stackoverflow)
CH107100A (fr) Dispositif électro-magnétique.
GB354413A (en) Improvements in or relating to electro-magnetic vibratory devices, such as loudspeakers
CH116853A (fr) Dispositif électromagnétique destiné notamment à la reproduction des sons.
BE390458A (enrdf_load_stackoverflow)
BE343777A (enrdf_load_stackoverflow)
FR2459525A1 (fr) Sonnerie a deux timbres
BE561659A (enrdf_load_stackoverflow)