FR720418A - Loudspeaker diaphragm or diaphragm drive system - Google Patents

Loudspeaker diaphragm or diaphragm drive system

Info

Publication number
FR720418A
FR720418A FR720418DA FR720418A FR 720418 A FR720418 A FR 720418A FR 720418D A FR720418D A FR 720418DA FR 720418 A FR720418 A FR 720418A
Authority
FR
France
Prior art keywords
diaphragm
drive system
loudspeaker
diaphragm drive
loudspeaker diaphragm
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
Pierre-Louis-Emile Moulin
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 FR720418A publication Critical patent/FR720418A/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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/02—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR720418D 1930-07-17 1930-07-17 Loudspeaker diaphragm or diaphragm drive system Expired FR720418A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR720418T 1930-07-17

Publications (1)

Publication Number Publication Date
FR720418A true FR720418A (en) 1932-02-19

Family

ID=9093165

Family Applications (1)

Application Number Title Priority Date Filing Date
FR720418D Expired FR720418A (en) 1930-07-17 1930-07-17 Loudspeaker diaphragm or diaphragm drive system

Country Status (1)

Country Link
FR (1) FR720418A (en)

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