FR426625A - Diaphragm for phonographs and speaking machines in general - Google Patents

Diaphragm for phonographs and speaking machines in general

Info

Publication number
FR426625A
FR426625A FR426625DA FR426625A FR 426625 A FR426625 A FR 426625A FR 426625D A FR426625D A FR 426625DA FR 426625 A FR426625 A FR 426625A
Authority
FR
France
Prior art keywords
phonographs
diaphragm
general
speaking machines
speaking
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
Leopold Pigout
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR426625A publication Critical patent/FR426625A/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)
FR426625D 1911-02-27 1911-02-27 Diaphragm for phonographs and speaking machines in general Expired FR426625A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR426625T 1911-02-27

Publications (1)

Publication Number Publication Date
FR426625A true FR426625A (en) 1911-07-11

Family

ID=1469185

Family Applications (1)

Application Number Title Priority Date Filing Date
FR426625D Expired FR426625A (en) 1911-02-27 1911-02-27 Diaphragm for phonographs and speaking machines in general

Country Status (1)

Country Link
FR (1) FR426625A (en)

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