FR343623A - Diaphragm for phonographs and other sound recording and reproducing apparatus - Google Patents

Diaphragm for phonographs and other sound recording and reproducing apparatus

Info

Publication number
FR343623A
FR343623A FR343623DA FR343623A FR 343623 A FR343623 A FR 343623A FR 343623D A FR343623D A FR 343623DA FR 343623 A FR343623 A FR 343623A
Authority
FR
France
Prior art keywords
phonographs
diaphragm
reproducing apparatus
sound recording
sound
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-Ernest Roger
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.)
CHARLES ERNEST ROGER
Original Assignee
CHARLES ERNEST ROGER
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 CHARLES ERNEST ROGER filed Critical CHARLES ERNEST ROGER
Application granted granted Critical
Publication of FR343623A publication Critical patent/FR343623A/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
    • H04R7/16—Mounting or tensioning of diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR343623D 1904-05-27 1904-05-27 Diaphragm for phonographs and other sound recording and reproducing apparatus Expired FR343623A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR343623T 1904-05-27

Publications (1)

Publication Number Publication Date
FR343623A true FR343623A (en) 1904-10-11

Family

ID=1392554

Family Applications (1)

Application Number Title Priority Date Filing Date
FR343623D Expired FR343623A (en) 1904-05-27 1904-05-27 Diaphragm for phonographs and other sound recording and reproducing apparatus

Country Status (1)

Country Link
FR (1) FR343623A (en)

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