FR813833A - Perfectionnements aux membranes de haut-parleurs - Google Patents

Perfectionnements aux membranes de haut-parleurs

Info

Publication number
FR813833A
FR813833A FR813833DA FR813833A FR 813833 A FR813833 A FR 813833A FR 813833D A FR813833D A FR 813833DA FR 813833 A FR813833 A FR 813833A
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 FR813833A publication Critical patent/FR813833A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12Non-planar diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR813833D 1936-11-23 1936-11-23 Perfectionnements aux membranes de haut-parleurs Expired FR813833A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR813833T 1936-11-23

Publications (1)

Publication Number Publication Date
FR813833A true FR813833A (fr) 1937-06-09

Family

ID=1553375

Family Applications (1)

Application Number Title Priority Date Filing Date
FR813833D Expired FR813833A (fr) 1936-11-23 1936-11-23 Perfectionnements aux membranes de haut-parleurs

Country Status (1)

Country Link
FR (1) FR813833A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1034692B (de) * 1956-06-02 1958-07-24 Telefunken Gmbh Lautsprecherkombination

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1034692B (de) * 1956-06-02 1958-07-24 Telefunken Gmbh Lautsprecherkombination

Similar Documents

Publication Publication Date Title
FR825438A (fr) Perfectionnements aux radiophares
FR831282A (fr) Perfectionnements apportés aux accumulateurs
FR814591A (fr) Perfectionnements aux massicots
FR811238A (fr) Perfectionnements apportés aux électrolyseurs
FR803740A (fr) Perfectionnements aux véhicules vélocipédiques
FR829463A (fr) Perfectionnements aux mécanismes diviseurs
FR807922A (fr) Perfectionnements aux rasoirs mécaniques
FR48334E (fr) Perfectionnements aux haut-parleurs électrodynamiques ou analogues
FR819858A (fr) Perfectionnements aux gyroscopes
FR824302A (fr) Perfectionnements apportés aux mécanismes de servo-frein
FR848588A (fr) Perfectionnements aux membranes de haut-parleurs
FR825005A (fr) Perfectionnements aux haut-parleurs électrodynamiques
FR806607A (fr) Perfectionnements apportés aux haut-parleurs
FR823746A (fr) Membrane de haut-parleur
FR822765A (fr) Perfectionnements aux appareils stéréographomètres
FR815817A (fr) Perfectionnements aux bornes-fontaines
FR823417A (fr) Perfectionnements aux hauts-parleurs
FR818411A (fr) Perfectionnements aux isolateurs
FR816473A (fr) Perfectionnements aux séparateurs
FR821323A (fr) Perfectionnements aux rupteurs-conjoncteurs
FR47541E (fr) Perfectionnements apportés aux manomètres
FR801693A (fr) Perfectionnements apportés aux microphones
FR826852A (fr) Perfectionnements aux amplificateurs
FR825648A (fr) Perfectionnements aux bateaux
FR830910A (fr) Perfectionnements aux écouteurs téléphoniques