FR394000A - Improvements in apparatus and methods for recording and reproducing sound - Google Patents

Improvements in apparatus and methods for recording and reproducing sound

Info

Publication number
FR394000A
FR394000A FR394000DA FR394000A FR 394000 A FR394000 A FR 394000A FR 394000D A FR394000D A FR 394000DA FR 394000 A FR394000 A FR 394000A
Authority
FR
France
Prior art keywords
recording
methods
reproducing sound
reproducing
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
James Winstead Owen
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 FR394000A publication Critical patent/FR394000A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C11/00—Surface finishing of leather
    • C14C11/003—Surface finishing of leather using macromolecular compounds
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
FR394000D 1907-09-23 1908-09-07 Improvements in apparatus and methods for recording and reproducing sound Expired FR394000A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US394000XA 1930-12-18 1930-12-18

Publications (1)

Publication Number Publication Date
FR394000A true FR394000A (en) 1909-01-11

Family

ID=21905234

Family Applications (1)

Application Number Title Priority Date Filing Date
FR394000D Expired FR394000A (en) 1907-09-23 1908-09-07 Improvements in apparatus and methods for recording and reproducing sound

Country Status (2)

Country Link
FR (1) FR394000A (en)
GB (1) GB394000A (en)

Also Published As

Publication number Publication date
GB394000A (en) 1933-06-19

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