FR862867A - Loud speaker - Google Patents

Loud speaker

Info

Publication number
FR862867A
FR862867A FR862867DA FR862867A FR 862867 A FR862867 A FR 862867A FR 862867D A FR862867D A FR 862867DA FR 862867 A FR862867 A FR 862867A
Authority
FR
France
Prior art keywords
loud speaker
loud
speaker
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Manrico Compare
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
Application granted granted Critical
Publication of FR862867A publication Critical patent/FR862867A/en
Expired legal-status Critical Current

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)
FR862867D 1939-01-13 1940-01-12 Loud speaker Expired FR862867A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR862867A true FR862867A (en) 1941-03-18

Family

ID=28052833

Family Applications (1)

Application Number Title Priority Date Filing Date
FR862867D Expired FR862867A (en) 1939-01-13 1940-01-12 Loud speaker

Country Status (3)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2946981C2 (en) * 1979-11-21 1981-05-14 Bm-Elektronik Meletzky Kg, 1000 Berlin Electroacoustic converter
WO1983001171A1 (en) * 1981-09-28 1983-03-31 Klein, Siegfried Loudspeaker, particularly tweeter
FR2637760A1 (en) * 1988-10-11 1990-04-13 Commissariat Energie Atomique Omnidirectional loudspeaker with wide passband
EP0365393A1 (en) * 1988-10-11 1990-04-25 Commissariat A L'energie Atomique Wide-band omnidirectional loudspeaker

Families Citing this family (5)

* 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 (en) * 1977-03-01 1979-11-08 Bm-Elektronik Meldtky Kg, 1000 Berlin Electroacoustic converter
FR2619481B1 (en) * 1987-08-14 1989-11-17 Commissariat Energie Atomique WIDE BANDWIDTH ELASTIC WAVES OMNIDIRECTIONAL TRANSDUCER
US20060196723A1 (en) * 2005-03-03 2006-09-07 White Fred I Balloon speaker asembly

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2946981C2 (en) * 1979-11-21 1981-05-14 Bm-Elektronik Meletzky Kg, 1000 Berlin Electroacoustic converter
FR2470512A1 (en) * 1979-11-21 1981-05-29 Meletzky Bm Elektronik ELECTROACOUSTIC TRANSDUCER
WO1983001171A1 (en) * 1981-09-28 1983-03-31 Klein, Siegfried Loudspeaker, particularly tweeter
EP0075911A1 (en) * 1981-09-28 1983-04-06 Siegfried Dr. Klein Loudspeaker, in particular a tweeter
FR2637760A1 (en) * 1988-10-11 1990-04-13 Commissariat Energie Atomique Omnidirectional loudspeaker with wide passband
EP0365393A1 (en) * 1988-10-11 1990-04-25 Commissariat A L'energie Atomique Wide-band omnidirectional loudspeaker

Also Published As

Publication number Publication date
BE437610A (en) 1940-07-09
US2233244A (en) 1941-02-25

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