FR564976A - Loudspeaker membrane and its manufacturing process - Google Patents

Loudspeaker membrane and its manufacturing process

Info

Publication number
FR564976A
FR564976A FR564976DA FR564976A FR 564976 A FR564976 A FR 564976A FR 564976D A FR564976D A FR 564976DA FR 564976 A FR564976 A FR 564976A
Authority
FR
France
Prior art keywords
manufacturing process
loudspeaker membrane
loudspeaker
membrane
manufacturing
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.)
Societe de Paris et du Rhone SA
Original Assignee
Societe de Paris et du Rhone SA
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 Societe de Paris et du Rhone SA filed Critical Societe de Paris et du Rhone SA
Application granted granted Critical
Publication of FR564976A publication Critical patent/FR564976A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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)
FR564976D 1923-04-11 1923-04-11 Loudspeaker membrane and its manufacturing process Expired FR564976A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR564976T 1923-04-11

Publications (1)

Publication Number Publication Date
FR564976A true FR564976A (en) 1924-01-16

Family

ID=8946139

Family Applications (1)

Application Number Title Priority Date Filing Date
FR564976D Expired FR564976A (en) 1923-04-11 1923-04-11 Loudspeaker membrane and its manufacturing process

Country Status (1)

Country Link
FR (1) FR564976A (en)

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