FR422992A - Improvements in the acoustics of talking machines - Google Patents

Improvements in the acoustics of talking machines

Info

Publication number
FR422992A
FR422992A FR422992A FR422992DA FR422992A FR 422992 A FR422992 A FR 422992A FR 422992 A FR422992 A FR 422992A FR 422992D A FR422992D A FR 422992DA FR 422992 A FR422992 A FR 422992A
Authority
FR
France
Prior art keywords
acoustics
talking machines
talking
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
FR422992A
Other languages
French (fr)
Inventor
Aime Wilcken
Robert Wilcken
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.)
AIME WILCKEN
Original Assignee
AIME WILCKEN
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 AIME WILCKEN filed Critical AIME WILCKEN
Application granted granted Critical
Publication of FR422992A publication Critical patent/FR422992A/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)
FR422992A 1910-03-03 1910-11-14 Improvements in the acoustics of talking machines Expired FR422992A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE422992X 1910-03-03

Publications (1)

Publication Number Publication Date
FR422992A true FR422992A (en) 1911-04-04

Family

ID=1465887

Family Applications (1)

Application Number Title Priority Date Filing Date
FR422992A Expired FR422992A (en) 1910-03-03 1910-11-14 Improvements in the acoustics of talking machines

Country Status (1)

Country Link
FR (1) FR422992A (en)

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