FR530995A - Improvements in speaking machines or phonographs - Google Patents

Improvements in speaking machines or phonographs

Info

Publication number
FR530995A
FR530995A FR530995DA FR530995A FR 530995 A FR530995 A FR 530995A FR 530995D A FR530995D A FR 530995DA FR 530995 A FR530995 A FR 530995A
Authority
FR
France
Prior art keywords
phonographs
speaking machines
speaking
machines
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
David Henry Wilson
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.)
REMINGTON PHONOGRAPH CORP
Original Assignee
REMINGTON PHONOGRAPH CORP
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 REMINGTON PHONOGRAPH CORP filed Critical REMINGTON PHONOGRAPH CORP
Application granted granted Critical
Publication of FR530995A publication Critical patent/FR530995A/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)
FR530995D 1921-02-14 1921-02-14 Improvements in speaking machines or phonographs Expired FR530995A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR530995T 1921-02-14

Publications (1)

Publication Number Publication Date
FR530995A true FR530995A (en) 1922-01-04

Family

ID=8923655

Family Applications (1)

Application Number Title Priority Date Filing Date
FR530995D Expired FR530995A (en) 1921-02-14 1921-02-14 Improvements in speaking machines or phonographs

Country Status (1)

Country Link
FR (1) FR530995A (en)

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