FR570989A - Diaphragm for sound reproducing devices - Google Patents

Diaphragm for sound reproducing devices

Info

Publication number
FR570989A
FR570989A FR570989DA FR570989A FR 570989 A FR570989 A FR 570989A FR 570989D A FR570989D A FR 570989DA FR 570989 A FR570989 A FR 570989A
Authority
FR
France
Prior art keywords
diaphragm
sound reproducing
reproducing devices
devices
sound
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
Henry Walker
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 FR570989A publication Critical patent/FR570989A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR570989D 1923-09-22 1923-09-22 Diaphragm for sound reproducing devices Expired FR570989A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR570989T 1923-09-22

Publications (1)

Publication Number Publication Date
FR570989A true FR570989A (en) 1924-05-09

Family

ID=8950235

Family Applications (1)

Application Number Title Priority Date Filing Date
FR570989D Expired FR570989A (en) 1923-09-22 1923-09-22 Diaphragm for sound reproducing devices

Country Status (1)

Country Link
FR (1) FR570989A (en)

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