FR369978A - Perfectionnements aux membranes de gramophones - Google Patents

Perfectionnements aux membranes de gramophones

Info

Publication number
FR369978A
FR369978A FR369978DA FR369978A FR 369978 A FR369978 A FR 369978A FR 369978D A FR369978D A FR 369978DA FR 369978 A FR369978 A FR 369978A
Authority
FR
France
Prior art keywords
gramophone
membranes
gramophone membranes
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
Eugene Engel
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.)
EUGENE ENGEL
Original Assignee
EUGENE ENGEL
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 EUGENE ENGEL filed Critical EUGENE ENGEL
Application granted granted Critical
Publication of FR369978A publication Critical patent/FR369978A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR369978D 1906-09-24 1906-09-24 Perfectionnements aux membranes de gramophones Expired FR369978A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR369978T 1906-09-24

Publications (1)

Publication Number Publication Date
FR369978A true FR369978A (fr) 1907-01-25

Family

ID=1416942

Family Applications (1)

Application Number Title Priority Date Filing Date
FR369978D Expired FR369978A (fr) 1906-09-24 1906-09-24 Perfectionnements aux membranes de gramophones

Country Status (1)

Country Link
FR (1) FR369978A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2036442A1 (es) * 1990-05-17 1993-05-16 Egretier Jean Michel Dispositivo de recuperacion del zumo de una cuba de fermentacion vinicola rotativa.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2036442A1 (es) * 1990-05-17 1993-05-16 Egretier Jean Michel Dispositivo de recuperacion del zumo de una cuba de fermentacion vinicola rotativa.

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