FR661836A - Haut-parleur électrodynamique - Google Patents

Haut-parleur électrodynamique

Info

Publication number
FR661836A
FR661836A FR661836DA FR661836A FR 661836 A FR661836 A FR 661836A FR 661836D A FR661836D A FR 661836DA FR 661836 A FR661836 A FR 661836A
Authority
FR
France
Prior art keywords
electro
dynamic speaker
speaker
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
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.)
Radiotechnique SA
Original Assignee
Radiotechnique 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 Radiotechnique SA filed Critical Radiotechnique SA
Application granted granted Critical
Publication of FR661836A publication Critical patent/FR661836A/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; 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
    • H04R9/041—Centering
    • H04R9/042—Centering by pressurised air

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR661836D 1928-01-26 1928-01-26 Haut-parleur électrodynamique Expired FR661836A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR661836T 1928-01-26

Publications (1)

Publication Number Publication Date
FR661836A true FR661836A (fr) 1929-07-30

Family

ID=9011117

Family Applications (1)

Application Number Title Priority Date Filing Date
FR661836D Expired FR661836A (fr) 1928-01-26 1928-01-26 Haut-parleur électrodynamique

Country Status (1)

Country Link
FR (1) FR661836A (fr)

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