FR674385A - Haut-parleur diffuseur - Google Patents

Haut-parleur diffuseur

Info

Publication number
FR674385A
FR674385A FR674385DA FR674385A FR 674385 A FR674385 A FR 674385A FR 674385D A FR674385D A FR 674385DA FR 674385 A FR674385 A FR 674385A
Authority
FR
France
Prior art keywords
diffuser
speaker
diffuser speaker
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.)
CEMA CONST ELECTRO MECANIQUES
Original Assignee
CEMA CONST ELECTRO MECANIQUES
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 CEMA CONST ELECTRO MECANIQUES filed Critical CEMA CONST ELECTRO MECANIQUES
Application granted granted Critical
Publication of FR674385A publication Critical patent/FR674385A/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
    • 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)
FR674385D 1928-09-13 1928-09-13 Haut-parleur diffuseur Expired FR674385A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR674385T 1928-09-13

Publications (1)

Publication Number Publication Date
FR674385A true FR674385A (fr) 1930-01-28

Family

ID=9018717

Family Applications (1)

Application Number Title Priority Date Filing Date
FR674385D Expired FR674385A (fr) 1928-09-13 1928-09-13 Haut-parleur diffuseur

Country Status (1)

Country Link
FR (1) FR674385A (fr)

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