FR668526A - Advanced diaphragm for sound recording and reproducing devices - Google Patents

Advanced diaphragm for sound recording and reproducing devices

Info

Publication number
FR668526A
FR668526A FR668526DA FR668526A FR 668526 A FR668526 A FR 668526A FR 668526D A FR668526D A FR 668526DA FR 668526 A FR668526 A FR 668526A
Authority
FR
France
Prior art keywords
sound recording
reproducing devices
diaphragm
advanced
advanced 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
Andre Enckell
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 FR668526A publication Critical patent/FR668526A/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)
FR668526D 1928-05-08 1928-05-08 Advanced diaphragm for sound recording and reproducing devices Expired FR668526A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR668526T 1928-05-08

Publications (1)

Publication Number Publication Date
FR668526A true FR668526A (en) 1929-11-04

Family

ID=9015100

Family Applications (1)

Application Number Title Priority Date Filing Date
FR668526D Expired FR668526A (en) 1928-05-08 1928-05-08 Advanced diaphragm for sound recording and reproducing devices

Country Status (1)

Country Link
FR (1) FR668526A (en)

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