FR653187A - Semi-rigid diaphragm speaker - Google Patents

Semi-rigid diaphragm speaker

Info

Publication number
FR653187A
FR653187A FR653187DA FR653187A FR 653187 A FR653187 A FR 653187A FR 653187D A FR653187D A FR 653187DA FR 653187 A FR653187 A FR 653187A
Authority
FR
France
Prior art keywords
semi
rigid diaphragm
diaphragm speaker
speaker
rigid
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)
Inventor
Andre Laffineur
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 filed Critical
Application granted granted Critical
Publication of FR653187A publication Critical patent/FR653187A/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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR653187D 1928-04-21 1928-04-21 Semi-rigid diaphragm speaker Expired FR653187A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR653187T 1928-04-21

Publications (1)

Publication Number Publication Date
FR653187A true FR653187A (en) 1929-03-18

Family

ID=9005726

Family Applications (1)

Application Number Title Priority Date Filing Date
FR653187D Expired FR653187A (en) 1928-04-21 1928-04-21 Semi-rigid diaphragm speaker

Country Status (1)

Country Link
FR (1) FR653187A (en)

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