FR813833A - Improvements to speaker membranes - Google Patents

Improvements to speaker membranes

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
French (fr)
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/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
FR813833D 1936-11-23 1936-11-23 Improvements to speaker membranes Expired FR813833A (en)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=1553375

Family Applications (1)

Application Number Title Priority Date Filing Date
FR813833D Expired FR813833A (en) 1936-11-23 1936-11-23 Improvements to speaker membranes

Country Status (1)

Country Link
FR (1) FR813833A (en)

Cited By (1)

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

Cited By (1)

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

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