FR328513A - An amplifier for phonographs and graphophones - Google Patents

An amplifier for phonographs and graphophones

Info

Publication number
FR328513A
FR328513A FR328513DA FR328513A FR 328513 A FR328513 A FR 328513A FR 328513D A FR328513D A FR 328513DA FR 328513 A FR328513 A FR 328513A
Authority
FR
France
Prior art keywords
graphophones
phonographs
amplifier
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
Louis-Alphonse Gallier
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.)
LOUIS ALPHONSE GALLIER
Original Assignee
LOUIS ALPHONSE GALLIER
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 LOUIS ALPHONSE GALLIER filed Critical LOUIS ALPHONSE GALLIER
Application granted granted Critical
Publication of FR328513A publication Critical patent/FR328513A/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)
FR328513D 1903-01-16 1903-01-16 An amplifier for phonographs and graphophones Expired FR328513A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR328513T 1903-01-16

Publications (1)

Publication Number Publication Date
FR328513A true FR328513A (en) 1903-07-16

Family

ID=1378410

Family Applications (1)

Application Number Title Priority Date Filing Date
FR328513D Expired FR328513A (en) 1903-01-16 1903-01-16 An amplifier for phonographs and graphophones

Country Status (1)

Country Link
FR (1) FR328513A (en)

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