FR447856A - Improvements to phonographs, gramophones, and other apparatus for recording and reproducing sound - Google Patents

Improvements to phonographs, gramophones, and other apparatus for recording and reproducing sound

Info

Publication number
FR447856A
FR447856A FR447856DA FR447856A FR 447856 A FR447856 A FR 447856A FR 447856D A FR447856D A FR 447856DA FR 447856 A FR447856 A FR 447856A
Authority
FR
France
Prior art keywords
gramophones
phonographs
recording
reproducing sound
reproducing
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
Joseph Evans
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 FR447856A publication Critical patent/FR447856A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR447856D 1912-06-04 1912-08-31 Improvements to phonographs, gramophones, and other apparatus for recording and reproducing sound Expired FR447856A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB447856X 1912-06-04

Publications (1)

Publication Number Publication Date
FR447856A true FR447856A (en) 1913-01-17

Family

ID=1488515

Family Applications (1)

Application Number Title Priority Date Filing Date
FR447856D Expired FR447856A (en) 1912-06-04 1912-08-31 Improvements to phonographs, gramophones, and other apparatus for recording and reproducing sound

Country Status (1)

Country Link
FR (1) FR447856A (en)

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