FR479267A - Perfectionnements aux phonographes - Google Patents

Perfectionnements aux phonographes

Info

Publication number
FR479267A
FR479267A FR479267DA FR479267A FR 479267 A FR479267 A FR 479267A FR 479267D A FR479267D A FR 479267DA FR 479267 A FR479267 A FR 479267A
Authority
FR
France
Prior art keywords
phonographs
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
English (en)
Inventor
Otto Bernard Cole
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.)
OTTO BERNARD COLE
Original Assignee
OTTO BERNARD COLE
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 OTTO BERNARD COLE filed Critical OTTO BERNARD COLE
Application granted granted Critical
Publication of FR479267A publication Critical patent/FR479267A/fr
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)
FR479267D 1914-07-16 1915-07-13 Perfectionnements aux phonographes Expired FR479267A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US479267XA 1914-07-16 1914-07-16

Publications (1)

Publication Number Publication Date
FR479267A true FR479267A (fr) 1916-03-03

Family

ID=1516672

Family Applications (1)

Application Number Title Priority Date Filing Date
FR479267D Expired FR479267A (fr) 1914-07-16 1915-07-13 Perfectionnements aux phonographes

Country Status (1)

Country Link
FR (1) FR479267A (fr)

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