FR703878A - Improvements to electro-dynamic loudspeakers - Google Patents

Improvements to electro-dynamic loudspeakers

Info

Publication number
FR703878A
FR703878A FR703878DA FR703878A FR 703878 A FR703878 A FR 703878A FR 703878D A FR703878D A FR 703878DA FR 703878 A FR703878 A FR 703878A
Authority
FR
France
Prior art keywords
electro
dynamic loudspeakers
loudspeakers
dynamic
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 des Etablissements Gaumont
Original Assignee
Societe des Etablissements Gaumont
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 des Etablissements Gaumont filed Critical Societe des Etablissements Gaumont
Application granted granted Critical
Publication of FR703878A publication Critical patent/FR703878A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/045—Mounting

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR703878D 1930-01-03 1930-01-03 Improvements to electro-dynamic loudspeakers Expired FR703878A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR703878T 1930-01-03

Publications (1)

Publication Number Publication Date
FR703878A true FR703878A (en) 1931-05-07

Family

ID=9063360

Family Applications (1)

Application Number Title Priority Date Filing Date
FR703878D Expired FR703878A (en) 1930-01-03 1930-01-03 Improvements to electro-dynamic loudspeakers

Country Status (1)

Country Link
FR (1) FR703878A (en)

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