BE437610A - - Google Patents

Info

Publication number
BE437610A
BE437610A BE437610DA BE437610A BE 437610 A BE437610 A BE 437610A BE 437610D A BE437610D A BE 437610DA BE 437610 A BE437610 A BE 437610A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE437610A publication Critical patent/BE437610A/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
BE437610D 1939-01-13 1940-01-09 BE437610A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2233244X 1939-01-13

Publications (1)

Publication Number Publication Date
BE437610A true BE437610A (enrdf_load_html_response) 1940-07-09

Family

ID=28052833

Family Applications (1)

Application Number Title Priority Date Filing Date
BE437610D BE437610A (enrdf_load_html_response) 1939-01-13 1940-01-09

Country Status (3)

Country Link
US (1) US2233244A (enrdf_load_html_response)
BE (1) BE437610A (enrdf_load_html_response)
FR (1) FR862867A (enrdf_load_html_response)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3101022A (en) * 1963-08-20 baschet
US3004620A (en) * 1955-07-28 1961-10-17 Baschet Francois Pierr Maurice Acoustic amplifier and musical instrument incorporating same
DE2709374C3 (de) * 1977-03-01 1979-11-08 Bm-Elektronik Meldtky Kg, 1000 Berlin Elektroakustischer Wandler
DE2946981C2 (de) * 1979-11-21 1981-05-14 Bm-Elektronik Meletzky Kg, 1000 Berlin Elektroakustischer Wandler
DE3138566A1 (de) * 1981-09-28 1983-04-07 Siegfried Dr. 75009 Paris Klein Lautsprecher, insbesondere hochtonlautsprecher
FR2619481B1 (fr) * 1987-08-14 1989-11-17 Commissariat Energie Atomique Transducteur omnidirectionnel d'ondes elastiques a large bande passante
US5014321A (en) * 1988-10-11 1991-05-07 Commissariat A L'energie Atomique Wide passband omnidirectional loudspeaker
FR2637760B1 (fr) * 1988-10-11 1991-04-05 Commissariat Energie Atomique Haut-parleur omnidirectionnel a large bande passante
US20060196723A1 (en) * 2005-03-03 2006-09-07 White Fred I Balloon speaker asembly

Also Published As

Publication number Publication date
US2233244A (en) 1941-02-25
FR862867A (fr) 1941-03-18

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