FR656342A - Perfectionnement aux haut-parleurs - Google Patents

Perfectionnement aux haut-parleurs

Info

Publication number
FR656342A
FR656342A FR656342DA FR656342A FR 656342 A FR656342 A FR 656342A FR 656342D A FR656342D A FR 656342DA FR 656342 A FR656342 A FR 656342A
Authority
FR
France
Prior art keywords
speaker training
speaker
training
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
Charles Arnaud
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 FR656342A publication Critical patent/FR656342A/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR656342D 1927-11-04 1927-11-04 Perfectionnement aux haut-parleurs Expired FR656342A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR656342T 1927-11-04

Publications (1)

Publication Number Publication Date
FR656342A true FR656342A (fr) 1929-05-06

Family

ID=9007689

Family Applications (1)

Application Number Title Priority Date Filing Date
FR656342D Expired FR656342A (fr) 1927-11-04 1927-11-04 Perfectionnement aux haut-parleurs

Country Status (1)

Country Link
FR (1) FR656342A (fr)

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