FR481600A - Reproducing device and sound amplifier, for phonographs - Google Patents

Reproducing device and sound amplifier, for phonographs

Info

Publication number
FR481600A
FR481600A FR481600DA FR481600A FR 481600 A FR481600 A FR 481600A FR 481600D A FR481600D A FR 481600DA FR 481600 A FR481600 A FR 481600A
Authority
FR
France
Prior art keywords
phonographs
reproducing device
sound amplifier
amplifier
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)
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.)
Sonora Phonograph Corp
Original Assignee
Sonora Phonograph Corp
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 Sonora Phonograph Corp filed Critical Sonora Phonograph Corp
Application granted granted Critical
Publication of FR481600A publication Critical patent/FR481600A/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)
FR481600D 1916-04-27 1916-04-27 Reproducing device and sound amplifier, for phonographs Expired FR481600A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR481600T 1916-04-27

Publications (1)

Publication Number Publication Date
FR481600A true FR481600A (en) 1916-12-19

Family

ID=1518684

Family Applications (1)

Application Number Title Priority Date Filing Date
FR481600D Expired FR481600A (en) 1916-04-27 1916-04-27 Reproducing device and sound amplifier, for phonographs

Country Status (1)

Country Link
FR (1) FR481600A (en)

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