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FR474153A - Diaphragm for phonograph - Google Patents

Diaphragm for phonograph

Info

Publication number
FR474153A
FR474153A FR474153DA FR474153A FR 474153 A FR474153 A FR 474153A FR 474153D A FR474153D A FR 474153DA FR 474153 A FR474153 A FR 474153A
Authority
FR
France
Prior art keywords
phonograph
diaphragm
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
Annie Schmidt
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.)
SCHMIDT ANIE
Original Assignee
SCHMIDT ANIE
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 SCHMIDT ANIE filed Critical SCHMIDT ANIE
Application granted granted Critical
Publication of FR474153A publication Critical patent/FR474153A/en
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
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR474153D 1914-06-22 1914-06-22 Diaphragm for phonograph Expired FR474153A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR474153T 1914-06-22

Publications (1)

Publication Number Publication Date
FR474153A true FR474153A (en) 1915-02-10

Family

ID=1512145

Family Applications (1)

Application Number Title Priority Date Filing Date
FR474153D Expired FR474153A (en) 1914-06-22 1914-06-22 Diaphragm for phonograph

Country Status (1)

Country Link
FR (1) FR474153A (en)

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