FR580194A - Phonographe - Google Patents

Phonographe

Info

Publication number
FR580194A
FR580194A FR580194DA FR580194A FR 580194 A FR580194 A FR 580194A FR 580194D A FR580194D A FR 580194DA FR 580194 A FR580194 A FR 580194A
Authority
FR
France
Prior art keywords
phonograph
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
Edoardo Capozzi
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 FR580194A publication Critical patent/FR580194A/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
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR580194D 1924-04-16 1924-04-16 Phonographe Expired FR580194A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR580194T 1924-04-16

Publications (1)

Publication Number Publication Date
FR580194A true FR580194A (fr) 1924-10-31

Family

ID=8956616

Family Applications (1)

Application Number Title Priority Date Filing Date
FR580194D Expired FR580194A (fr) 1924-04-16 1924-04-16 Phonographe

Country Status (1)

Country Link
FR (1) FR580194A (fr)

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