FR36028E - Perfectionnements aux hauts-parleurs - Google Patents

Perfectionnements aux hauts-parleurs

Info

Publication number
FR36028E
FR36028E FR36028DA FR36028E FR 36028 E FR36028 E FR 36028E FR 36028D A FR36028D A FR 36028DA FR 36028 E FR36028 E FR 36028E
Authority
FR
France
Prior art keywords
enhancements
loudspeaker
loudspeaker enhancements
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.)
ATELIERS DE MONTAGE ET D EBENI
Original Assignee
ATELIERS DE MONTAGE ET D EBENI
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 ATELIERS DE MONTAGE ET D EBENI filed Critical ATELIERS DE MONTAGE ET D EBENI
Application granted granted Critical
Publication of FR36028E publication Critical patent/FR36028E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/041—Centering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
FR36028D 1928-04-12 1928-04-12 Perfectionnements aux hauts-parleurs Expired FR36028E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR36429T 1928-04-12

Publications (1)

Publication Number Publication Date
FR36028E true FR36028E (fr) 1930-04-01

Family

ID=8673189

Family Applications (3)

Application Number Title Priority Date Filing Date
FR664330D Expired FR664330A (fr) 1928-04-12 1928-02-29 Perfectionnements aux hauts parleurs
FR36028D Expired FR36028E (fr) 1928-04-12 1928-04-12 Perfectionnements aux hauts-parleurs
FR36429D Expired FR36429E (fr) 1928-04-12 1928-04-12 Perfectionnement aux haut-parleurs

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR664330D Expired FR664330A (fr) 1928-04-12 1928-02-29 Perfectionnements aux hauts parleurs

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR36429D Expired FR36429E (fr) 1928-04-12 1928-04-12 Perfectionnement aux haut-parleurs

Country Status (1)

Country Link
FR (3) FR664330A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2824990B1 (fr) 2001-05-15 2003-09-26 Jean Pierre Morkerken Emetteur de son et haut-parleur

Also Published As

Publication number Publication date
FR664330A (fr) 1929-09-02
FR36429E (fr) 1930-06-07

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