FR458732A - Improvements in gramophones, phonographs and other similar machines - Google Patents

Improvements in gramophones, phonographs and other similar machines

Info

Publication number
FR458732A
FR458732A FR458732DA FR458732A FR 458732 A FR458732 A FR 458732A FR 458732D A FR458732D A FR 458732DA FR 458732 A FR458732 A FR 458732A
Authority
FR
France
Prior art keywords
gramophones
phonographs
similar machines
machines
similar
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
James Thurston Sibley
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 FR458732A publication Critical patent/FR458732A/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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR458732D 1913-05-09 1913-05-09 Improvements in gramophones, phonographs and other similar machines Expired FR458732A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR458732T 1913-05-09

Publications (1)

Publication Number Publication Date
FR458732A true FR458732A (en) 1913-10-17

Family

ID=1498292

Family Applications (1)

Application Number Title Priority Date Filing Date
FR458732D Expired FR458732A (en) 1913-05-09 1913-05-09 Improvements in gramophones, phonographs and other similar machines

Country Status (1)

Country Link
FR (1) FR458732A (en)

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