FR422620A - Mode of amplification and purification of musical sounds, particularly applicable to talking machines - Google Patents

Mode of amplification and purification of musical sounds, particularly applicable to talking machines

Info

Publication number
FR422620A
FR422620A FR422620DA FR422620A FR 422620 A FR422620 A FR 422620A FR 422620D A FR422620D A FR 422620DA FR 422620 A FR422620 A FR 422620A
Authority
FR
France
Prior art keywords
amplification
purification
mode
particularly applicable
musical sounds
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 Bourbon
Pierre Cassier
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.)
JOSEPH BOURBON
PIERRE CASSIER
Original Assignee
JOSEPH BOURBON
PIERRE CASSIER
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 JOSEPH BOURBON, PIERRE CASSIER filed Critical JOSEPH BOURBON
Application granted granted Critical
Publication of FR422620A publication Critical patent/FR422620A/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)
FR422620D 1910-11-16 1910-11-16 Mode of amplification and purification of musical sounds, particularly applicable to talking machines Expired FR422620A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR422620T 1910-11-16

Publications (1)

Publication Number Publication Date
FR422620A true FR422620A (en) 1911-03-27

Family

ID=1465554

Family Applications (1)

Application Number Title Priority Date Filing Date
FR422620D Expired FR422620A (en) 1910-11-16 1910-11-16 Mode of amplification and purification of musical sounds, particularly applicable to talking machines

Country Status (1)

Country Link
FR (1) FR422620A (en)

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