FR329850A - Reproductive diaphragm for phonographs and graphophones, called "the virtuoso" - Google Patents

Reproductive diaphragm for phonographs and graphophones, called "the virtuoso"

Info

Publication number
FR329850A
FR329850A FR329850DA FR329850A FR 329850 A FR329850 A FR 329850A FR 329850D A FR329850D A FR 329850DA FR 329850 A FR329850 A FR 329850A
Authority
FR
France
Prior art keywords
graphophones
virtuoso
phonographs
reproductive
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
Charles Cahit
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR329850A publication Critical patent/FR329850A/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR329850D 1903-03-02 1903-03-02 Reproductive diaphragm for phonographs and graphophones, called "the virtuoso" Expired FR329850A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR329850T 1903-03-02

Publications (1)

Publication Number Publication Date
FR329850A true FR329850A (en) 1903-08-06

Family

ID=1379671

Family Applications (1)

Application Number Title Priority Date Filing Date
FR329850D Expired FR329850A (en) 1903-03-02 1903-03-02 Reproductive diaphragm for phonographs and graphophones, called "the virtuoso"

Country Status (1)

Country Link
FR (1) FR329850A (en)

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