FR848588A - Perfectionnements aux membranes de haut-parleurs - Google Patents

Perfectionnements aux membranes de haut-parleurs

Info

Publication number
FR848588A
FR848588A FR848588DA FR848588A FR 848588 A FR848588 A FR 848588A FR 848588D A FR848588D A FR 848588DA FR 848588 A FR848588 A FR 848588A
Authority
FR
France
Prior art keywords
speaker membranes
membranes
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
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR848588A publication Critical patent/FR848588A/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; ELECTRIC HEARING AIDS; 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)
FR848588D 1938-01-11 1939-01-09 Perfectionnements aux membranes de haut-parleurs Expired FR848588A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE848588X 1938-01-11

Publications (1)

Publication Number Publication Date
FR848588A true FR848588A (fr) 1939-11-02

Family

ID=6775638

Family Applications (1)

Application Number Title Priority Date Filing Date
FR848588D Expired FR848588A (fr) 1938-01-11 1939-01-09 Perfectionnements aux membranes de haut-parleurs

Country Status (1)

Country Link
FR (1) FR848588A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE892771C (de) * 1941-01-15 1953-10-12 Interessengemeinschaft Fuer Ru Fernseh-Empfangsanordnung mit Lautsprecher und Bildschreiber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE892771C (de) * 1941-01-15 1953-10-12 Interessengemeinschaft Fuer Ru Fernseh-Empfangsanordnung mit Lautsprecher und Bildschreiber

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