FR850393A - Perfectionnements aux convertisseurs acoustiques - Google Patents

Perfectionnements aux convertisseurs acoustiques

Info

Publication number
FR850393A
FR850393A FR850393DA FR850393A FR 850393 A FR850393 A FR 850393A FR 850393D A FR850393D A FR 850393DA FR 850393 A FR850393 A FR 850393A
Authority
FR
France
Prior art keywords
acoustic converters
converters
acoustic
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
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AEG AG
Original Assignee
Allgemeine Elektricitaets Gesellschaft
AEG AG
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 by Allgemeine Elektricitaets Gesellschaft, AEG AG filed Critical Allgemeine Elektricitaets Gesellschaft
Application granted granted Critical
Publication of FR850393A publication Critical patent/FR850393A/fr
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
    • H04R7/127—Non-planar diaphragms or cones dome-shaped
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FR850393D 1938-02-16 1939-02-16 Perfectionnements aux convertisseurs acoustiques Expired FR850393A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE525154X 1938-02-16

Publications (1)

Publication Number Publication Date
FR850393A true FR850393A (fr) 1939-12-15

Family

ID=6552512

Family Applications (1)

Application Number Title Priority Date Filing Date
FR850393D Expired FR850393A (fr) 1938-02-16 1939-02-16 Perfectionnements aux convertisseurs acoustiques

Country Status (2)

Country Link
FR (1) FR850393A (fr)
GB (1) GB525154A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022377A (en) * 1956-10-29 1962-02-20 Philco Corp Sound reproducing system
DE3049222A1 (de) * 1980-12-27 1982-07-29 Elektrotechnik Ehmann Gmbh, 6953 Gundelsheim Elektrodynamisches lautsprechersystem mit kalottenfoermiger membran
JPS5871798A (ja) * 1981-10-26 1983-04-28 Sony Corp ダイナミツク型ヘツドホン

Also Published As

Publication number Publication date
GB525154A (en) 1940-08-22

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