FR680739A - Haut-parleur - Google Patents

Haut-parleur

Info

Publication number
FR680739A
FR680739A FR680739DA FR680739A FR 680739 A FR680739 A FR 680739A FR 680739D A FR680739D A FR 680739DA FR 680739 A FR680739 A FR 680739A
Authority
FR
France
Prior art keywords
loud speaker
loud
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)
Inventor
Chakir Midhat
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 FR680739A publication Critical patent/FR680739A/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR680739D 1929-08-23 1929-08-23 Haut-parleur Expired FR680739A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR680739T 1929-08-23

Publications (1)

Publication Number Publication Date
FR680739A true FR680739A (fr) 1930-05-05

Family

ID=9022439

Family Applications (1)

Application Number Title Priority Date Filing Date
FR680739D Expired FR680739A (fr) 1929-08-23 1929-08-23 Haut-parleur

Country Status (1)

Country Link
FR (1) FR680739A (fr)

Similar Documents

Publication Publication Date Title
FR698003A (fr) Perfectionnements aux haut-parleurs
FR695243A (fr) Perfectionnements aux haut-parleurs
FR616738A (fr) Haut-parleur
FR612462A (fr) Haut-parleur
FR680408A (fr) Haut-parleur
FR683395A (fr) Haut-parleur
FR681001A (fr) Haut-parleur
FR680739A (fr) Haut-parleur
FR620326A (fr) Haut-parleur
FR634878A (fr) Haut-parleur
FR617464A (fr) Haut-parleur
FR648477A (fr) Haut-parleur
FR672063A (fr) Haut-parleur
FR660970A (fr) Haut-parleur
FR616419A (fr) Haut-parleur
FR606696A (fr) Haut-parleur
FR32665E (fr) Haut-parleur
FR616598A (fr) Haut-parleur
FR690256A (fr) Goniographe sonore
FR684058A (fr) Microtéléphone
FR656499A (fr) Haut-parleur
FR646683A (fr) Haut-parleur
FR646685A (fr) Haut-parleur
FR647859A (fr) Haut-parleur
FR653063A (fr) Haut-parleur