FR655145A - Sound reproducing diaphragm - Google Patents

Sound reproducing diaphragm

Info

Publication number
FR655145A
FR655145A FR655145DA FR655145A FR 655145 A FR655145 A FR 655145A FR 655145D A FR655145D A FR 655145DA FR 655145 A FR655145 A FR 655145A
Authority
FR
France
Prior art keywords
sound reproducing
reproducing diaphragm
diaphragm
sound
reproducing
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.)
SARL D ELECTRICITE
Original Assignee
SARL D ELECTRICITE
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 SARL D ELECTRICITE filed Critical SARL D ELECTRICITE
Application granted granted Critical
Publication of FR655145A publication Critical patent/FR655145A/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
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
    • H04R7/125—Non-planar diaphragms or cones comprising a plurality of sections or layers comprising a plurality of superposed layers in contact

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR655145D 1928-06-01 1928-06-01 Sound reproducing diaphragm Expired FR655145A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR655145T 1928-06-01

Publications (1)

Publication Number Publication Date
FR655145A true FR655145A (en) 1929-04-15

Family

ID=9006930

Family Applications (1)

Application Number Title Priority Date Filing Date
FR655145D Expired FR655145A (en) 1928-06-01 1928-06-01 Sound reproducing diaphragm

Country Status (1)

Country Link
FR (1) FR655145A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE947715C (en) * 1951-06-03 1956-08-23 Peiker Fabrik Fuer Piezoelek S Membrane, consisting of a cap-shaped piece and a frame encompassing its base

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE947715C (en) * 1951-06-03 1956-08-23 Peiker Fabrik Fuer Piezoelek S Membrane, consisting of a cap-shaped piece and a frame encompassing its base

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