FR612471A - Vibrating membrane for sound recording or reproducing devices - Google Patents

Vibrating membrane for sound recording or reproducing devices

Info

Publication number
FR612471A
FR612471A FR612471DA FR612471A FR 612471 A FR612471 A FR 612471A FR 612471D A FR612471D A FR 612471DA FR 612471 A FR612471 A FR 612471A
Authority
FR
France
Prior art keywords
vibrating membrane
sound recording
reproducing devices
reproducing
devices
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
Amour Paul-Georges Huguet D
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 filed Critical
Application granted granted Critical
Publication of FR612471A publication Critical patent/FR612471A/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
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FR612471D 1925-06-20 1926-03-08 Vibrating membrane for sound recording or reproducing devices Expired FR612471A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE253943X 1925-06-20

Publications (1)

Publication Number Publication Date
FR612471A true FR612471A (en) 1926-10-25

Family

ID=3866621

Family Applications (1)

Application Number Title Priority Date Filing Date
FR612471D Expired FR612471A (en) 1925-06-20 1926-03-08 Vibrating membrane for sound recording or reproducing devices

Country Status (2)

Country Link
FR (1) FR612471A (en)
GB (1) GB253943A (en)

Also Published As

Publication number Publication date
GB253943A (en) 1927-01-20

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