FR585820A - New acoustic vibration amplifier - Google Patents

New acoustic vibration amplifier

Info

Publication number
FR585820A
FR585820A FR585820DA FR585820A FR 585820 A FR585820 A FR 585820A FR 585820D A FR585820D A FR 585820DA FR 585820 A FR585820 A FR 585820A
Authority
FR
France
Prior art keywords
acoustic vibration
new acoustic
vibration amplifier
amplifier
new
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 Bildstein
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 FR585820A publication Critical patent/FR585820A/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
    • H04R7/12—Non-planar diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR585820D 1924-07-18 1924-07-18 New acoustic vibration amplifier Expired FR585820A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR585820T 1924-07-18

Publications (1)

Publication Number Publication Date
FR585820A true FR585820A (en) 1925-03-07

Family

ID=8960263

Family Applications (1)

Application Number Title Priority Date Filing Date
FR585820D Expired FR585820A (en) 1924-07-18 1924-07-18 New acoustic vibration amplifier

Country Status (1)

Country Link
FR (1) FR585820A (en)

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